/*******************************************************************************
* Copyright (c) 2007, 2015 Ericsson and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Ericsson - Initial Implementation
* Simon Marchi (Ericsson) - Move some tests from AsyncCompletionWaitor to Query
*******************************************************************************/
package org.eclipse.cdt.tests.dsf.gdb.tests;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import org.eclipse.cdt.core.IAddress;
import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.ImmediateDataRequestMonitor;
import org.eclipse.cdt.dsf.concurrent.Query;
import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
import org.eclipse.cdt.dsf.datamodel.IDMContext;
import org.eclipse.cdt.dsf.debug.service.IExpressions;
import org.eclipse.cdt.dsf.debug.service.IExpressions.IExpressionChangedDMEvent;
import org.eclipse.cdt.dsf.debug.service.IExpressions.IExpressionDMAddress;
import org.eclipse.cdt.dsf.debug.service.IExpressions.IExpressionDMContext;
import org.eclipse.cdt.dsf.debug.service.IExpressions.IExpressionDMData;
import org.eclipse.cdt.dsf.debug.service.IExpressions.IIndexedPartitionDMContext;
import org.eclipse.cdt.dsf.debug.service.IExpressions2;
import org.eclipse.cdt.dsf.debug.service.IExpressions2.CastInfo;
import org.eclipse.cdt.dsf.debug.service.IExpressions2.ICastedExpressionDMContext;
import org.eclipse.cdt.dsf.debug.service.IExpressions3.IExpressionDMDataExtension;
import org.eclipse.cdt.dsf.debug.service.IFormattedValues;
import org.eclipse.cdt.dsf.debug.service.IFormattedValues.FormattedValueDMContext;
import org.eclipse.cdt.dsf.debug.service.IFormattedValues.FormattedValueDMData;
import org.eclipse.cdt.dsf.debug.service.IRunControl.StepType;
import org.eclipse.cdt.dsf.debug.service.IStack.IFrameDMContext;
import org.eclipse.cdt.dsf.debug.service.IStack.IVariableDMData;
import org.eclipse.cdt.dsf.mi.service.ClassAccessor.MIExpressionDMCAccessor;
import org.eclipse.cdt.dsf.mi.service.MIExpressions;
import org.eclipse.cdt.dsf.mi.service.MIExpressions.MIExpressionDMC;
import org.eclipse.cdt.dsf.mi.service.command.events.MIStoppedEvent;
import org.eclipse.cdt.dsf.service.DsfServiceEventHandler;
import org.eclipse.cdt.dsf.service.DsfServicesTracker;
import org.eclipse.cdt.dsf.service.DsfSession;
import org.eclipse.cdt.tests.dsf.gdb.framework.AsyncCompletionWaitor;
import org.eclipse.cdt.tests.dsf.gdb.framework.BaseParametrizedTestCase;
import org.eclipse.cdt.tests.dsf.gdb.framework.ServiceEventWaitor;
import org.eclipse.cdt.tests.dsf.gdb.framework.SyncUtil;
import org.eclipse.cdt.tests.dsf.gdb.launching.TestsPlugin;
import org.eclipse.cdt.utils.Addr32;
import org.eclipse.cdt.utils.Addr64;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@RunWith(Parameterized.class)
public class MIExpressionsTest extends BaseParametrizedTestCase {
private static final String EXEC_NAME = "ExpressionTestApp.exe";
private DsfSession fSession;
private DsfServicesTracker fServicesTracker;
protected IExpressions fExpService;
private int fExprChangedEventCount = 0;
private IExpressionDMContext fExprChangedCtx = null;
private IExpressionDMContext globalExpressionCtx1 = null;
private IExpressionDMContext globalExpressionCtx2 = null;
@Override
protected void setLaunchAttributes() {
super.setLaunchAttributes();
setLaunchAttribute(ICDTLaunchConfigurationConstants.ATTR_PROGRAM_NAME, EXEC_PATH + EXEC_NAME);
}
@Override
public void doBeforeTest() throws Exception {
super.doBeforeTest();
fSession = getGDBLaunch().getSession();
Runnable runnable = new Runnable() {
@Override
public void run() {
fServicesTracker = new DsfServicesTracker(TestsPlugin.getBundleContext(), fSession.getId());
fExpService = fServicesTracker.getService(IExpressions.class);
fSession.addServiceEventListener(MIExpressionsTest.this, null);
clearExprChangedData();
}
};
fSession.getExecutor().submit(runnable).get();
}
@Override
public void doAfterTest() throws Exception {
super.doAfterTest();
if (fSession != null) {
fSession.getExecutor().submit(()->fSession.removeServiceEventListener(MIExpressionsTest.this)).get();
}
fExpService = null;
if (fServicesTracker != null) {
fServicesTracker.dispose();
}
}
// Handles ExpressionChangedEvent
@DsfServiceEventHandler
public void eventDispatched(IExpressionChangedDMEvent e) {
fExprChangedEventCount++;
fExprChangedCtx = e.getDMContext();
}
// Clears the counters
private void clearExprChangedData() {
fExprChangedEventCount = 0;
fExprChangedCtx = null;
}
// Returns the total number of events received
private int getExprChangedCount() {
return fExprChangedEventCount;
}
private IExpressionDMContext getExprChangedContext() {
return fExprChangedCtx;
}
// *********************************************************************
// Below are the tests for the expression service.
// *********************************************************************
/**
* Test that we can correctly evaluate integer expressions.
*/
@Test
public void testLiteralIntegerExpressions() throws Throwable {
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("testLocals");
// Create a map of expressions and their expected values.
Map<String, String[]> tests = new HashMap<String, String[]>();
tests.put("0 + 0 - 0", new String[] { "0x0", "0", "0", "0", "0", "0" });
tests.put("3 + 4", new String[] { "0x7", "07", "111", "7", "7", "7" });
tests.put("3 + 4 * 5", new String[] { "0x17", "027", "10111", "23", "23", "23" });
tests.put("5 * 3 + 4", new String[] { "0x13", "023", "10011", "19", "19", "19" });
tests.put("5 * (3 + 4)", new String[] { "0x23", "043", "100011", "35", "35", "35" });
tests.put("10 - 15", new String[] { "0xFFFFFFFB", "037777777773", "11111111111111111111111111111011", "-5",
"-5", "-5" });
tests.put("10 + -15", new String[] { "0xFFFFFFFB", "037777777773", "11111111111111111111111111111011", "-5",
"-5", "-5" });
executeExpressionSubTests(tests, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0));
}
/**
* Test that we can correctly evaluate floating-point expressions.
*/
@Test
public void testLiteralFloatingPointExpressions() throws Throwable {
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("testLocals");
// Create a map of expressions and their expected values.
Map<String, String[]> tests = new HashMap<String, String[]>();
tests.put("3.14159 + 1.1111", new String[] { "0x4", "04", "100", "4", "4.2526", "4.2526" });
tests.put("100.0 / 3.0", new String[] { "0x21", "041", "100001", "33", "33.3333", "33.3333" });
tests.put("-100.0 / 3.0", new String[] { "0xffffffffffffffdf", "01777777777777777777737",
"1111111111111111111111111111111111111111111111111111111111011111", "-33", "-33.3333", "-33.3333" });
tests.put("-100.0 / -3.0", new String[] { "0x21", "041", "100001", "33", "33.3333", "33.3333" });
executeExpressionSubTests(tests, false, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0));
tests.clear();
tests.put("100.0 / 0.5", new String[] { "0xc8", "0310", "11001000", "200", "200", "200" });
executeExpressionSubTests(tests, true, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0));
}
/**
* Test that we can correctly evaluate C expressions involving local
* variables.
*/
@Test
public void testLocalVariables() throws Throwable {
// Run to the point where all local variables are initialized
SyncUtil.runToLocation("testLocals");
MIStoppedEvent stoppedEvent = SyncUtil.step(16, StepType.STEP_OVER);
// Create a map of expressions to expected values.
Map<String, String[]> tests1 = new HashMap<String, String[]>();
tests1.put("lIntVar", new String[] { "0x3039", "030071", "11000000111001", "12345", "12345", "12345" });
tests1.put("lDoubleVar", new String[] { "0x3039", "030071", "11000000111001", "12345", "12345.123449999999", "12345.123449999999" });
tests1.put("lCharVar", new String[] { "0x6d", "0155", "1101101", "109", "109 'm'", "109 'm'" });
tests1.put("lBoolVar", new String[] { "0x0", "0", "0", "0", "false", "false" });
tests1.put("lIntArray[1]", new String[] { "0x3039", "030071", "11000000111001", "12345", "12345", "12345" });
tests1.put("lDoubleArray[1]", new String[] { "0x3039", "030071", "11000000111001", "12345", "12345.123449999999", "12345.123449999999" });
tests1.put("lCharArray[1]", new String[] { "0x6d", "0155", "1101101", "109", "109 'm'", "109 'm'" });
tests1.put("lBoolArray[1]", new String[] { "0x0", "0", "0", "0", "false", "false" });
tests1.put("*lIntPtr", new String[] { "0x3039", "030071", "11000000111001", "12345", "12345", "12345" });
tests1.put("*lDoublePtr", new String[] { "0x3039", "030071", "11000000111001", "12345", "12345.123449999999", "12345.123449999999" });
tests1.put("*lCharPtr", new String[] { "0x6d", "0155", "1101101", "109", "109 'm'", "109 'm'" });
tests1.put("*lBoolPtr", new String[] { "0x0", "0", "0", "0", "false", "false" });
tests1.put("lIntPtr2", new String[] { "0x1", "01", "1", "1", "0x1", "0x1" });
tests1.put("lDoublePtr2", new String[] { "0x2345", "021505", "10001101000101", "9029", "0x2345", "0x2345" });
// GDB says a char* is out of bounds, but not the other pointers???
// tests1.put("CharPtr2", new String[] { "0x1234", "011064",
// "1001000110100", "4660", "0x1234" });
tests1.put("lBoolPtr2", new String[] { "0x123ABCDE", "02216536336", "10010001110101011110011011110", "305839326", "0x123ABCDE", "0x123ABCDE" });
executeExpressionSubTests(tests1, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0));
// Step into the method and stop until all new local variables are
// initialized
SyncUtil.step(StepType.STEP_INTO);
stoppedEvent = SyncUtil.step(5, StepType.STEP_OVER);
// Create a map of expressions to expected values.
Map<String, String[]> tests2 = new HashMap<String, String[]>();
tests2.put("lIntVar", new String[] { "0x1a85", "015205", "1101010000101", "6789", "6789", "6789" });
tests2.put("lDoubleArray[1]",
new String[] { "0x1a85", "015205", "1101010000101", "6789", "6789.6788999999999", "6789.6788999999999" });
tests2.put("lCharVar", new String[] { "0x69", "0151", "1101001", "105", "105 'i'", "105 'i'" });
tests2.put("*lCharPtr", new String[] { "0x69", "0151", "1101001", "105", "105 'i'", "105 'i'" });
tests2.put("lBoolPtr2", new String[] { "0xABCDE123", "025363360443", "10101011110011011110000100100011",
"2882396451", "0xABCDE123","0xABCDE123" });
// check variables at current stack frame
executeExpressionSubTests(tests2, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0));
// check previous stack frame
executeExpressionSubTests(tests1, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 1));
// Now return from the method and check that we see the
// original variables. We must use the right context to restore the right stack frame
stoppedEvent = SyncUtil.step(stoppedEvent.getDMContext(), StepType.STEP_RETURN);
executeExpressionSubTests(tests1, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0));
}
/**
* This tests verifies that we can deal with variables in a subblock hiding
* variables with the same name in the outer block.
*/
@Ignore("Sublocks do not work with GDB")
@Test
public void testSubBlock() throws Throwable {
SyncUtil.runToLocation("testSubblock");
MIStoppedEvent stoppedEvent = SyncUtil.step(2, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
Map<String, String[]> tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0x8", "010", "1000", "8", "8", "8" });
tests.put("b", new String[] { "0x1", "01", "1", "1", "1", "1" });
executeExpressionSubTests(tests, frameDmc);
// Now enter a subblock with the same variable names
SyncUtil.step(2, StepType.STEP_OVER);
tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0xc", "014", "1100", "12", "12", "12" });
tests.put("b", new String[] { "0x1", "01", "1", "1", "1", "1" });
executeExpressionSubTests(tests, frameDmc);
// Now step to change the b variable
SyncUtil.step(1, StepType.STEP_OVER);
tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0xc", "014", "1100", "12", "12", "12" });
tests.put("b", new String[] { "0xc", "014", "1100", "12", "12", "12" });
executeExpressionSubTests(tests, frameDmc);
// Now exit the sub-block and check that we see the original a but the
// same b
SyncUtil.step(1, StepType.STEP_OVER);
tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0x8", "010", "1000", "8", "8", "8" });
tests.put("b", new String[] { "0xc", "014", "1100", "12", "12", "12" });
executeExpressionSubTests(tests, frameDmc);
}
/**
* This tests verifies that we can obtain children properly.
*/
@Test
public void testChildren() throws Throwable {
assumeGdbVersionAtLeast(ITestConstants.SUFFIX_GDB_6_7);
// Get the children of some variables
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("testChildren");
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDMC = SyncUtil.createExpression(frameDmc, "f");
doTestChildren(exprDMC);
// Now do a step and get the children again, to test the internal cache
SyncUtil.step(1, StepType.STEP_OVER);
doTestChildren(exprDMC);
}
/**
* This test makes sure we get the right number of children.
*/
@Test
public void testChildrenCount() throws Throwable {
// Next we test that we can retrieve children count while reading the
// value and vice-versa
SyncUtil.runToLocation("testChildren");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// First we get the expected value of the array pointer.
final IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "f");
assertChildrenCount(exprDmc, 5);
}
/**
* This test makes sure we get can tell if an expression has children based
* on the expression data.
*/
@Test
public void testHasChildrenInExpressionData() throws Throwable {
SyncUtil.runToLocation("testChildren");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(
stoppedEvent.getDMContext(), 0);
// First we get the expected value of the array pointer.
final IExpressionDMContext exprDmc = SyncUtil.createExpression(
frameDmc, "f");
Query<IExpressionDMData> query = new Query<IExpressionDMData>() {
@Override
protected void execute(DataRequestMonitor<IExpressionDMData> rm) {
fExpService.getExpressionData(exprDmc, rm);
}
};
fExpService.getExecutor().submit(query);
IExpressionDMData data = query.get();
IExpressionDMDataExtension dataExtension = (IExpressionDMDataExtension) data;
assertThat("expression has children", dataExtension.hasChildren());
}
/**
* This test makes sure we properly deal with a GDB display bug.
* See bug 320277
*
* The following code causes a bug in GDB:
*
* class Base {};
* class BaseTest: public Base {
* public:
* BaseTest() {} // Removing this lines removes GDB's bug
* void test() { return; }
* };
*
* We see the bug with the following commands:
* -var-create - * this
* -var-list-children var1
* -var-info-path-expression var1.BaseTest
* -data-evaluate-expression "(*(Base*) this)"
*
* which we can reproduce by creating the children of this
* and asking for the DETAILS_FORMAT of the var1.BaseTest child.
*/
@Test
public void testBaseChildrenBug() throws Throwable {
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("BaseTest::test");
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// First we get 'this' and its children
final IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "this");
final IExpressionDMContext[] children = getChildren(exprDmc, new String[] { "Base", "Base" });
Query<FormattedValueDMData> query = new Query<FormattedValueDMData>() {
@Override
protected void execute(DataRequestMonitor<FormattedValueDMData> rm) {
FormattedValueDMContext dmc = fExpService.getFormattedValueContext(children[0], MIExpressions.DETAILS_FORMAT);
fExpService.getFormattedExpressionValue(dmc, rm);
}
};
fExpService.getExecutor().submit(query);
query.get();
// This second child is testing the fact that we could have the child named
// the same as its type and we still want to be able to get the details without error.
query = new Query<FormattedValueDMData>() {
@Override
protected void execute(DataRequestMonitor<FormattedValueDMData> rm) {
FormattedValueDMContext dmc = fExpService.getFormattedValueContext(children[1], MIExpressions.DETAILS_FORMAT);
fExpService.getFormattedExpressionValue(dmc, rm);
}
};
fExpService.getExecutor().submit(query);
query.get();
}
/**
* This test makes sure we properly deal with a GDB display bug and nested
* children. See bug 320277.
*/
@Test
public void testNestedBaseChildrenBug() throws Throwable {
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("BaseTest::test");
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// First we get 'this' and its children
final IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "this");
IExpressionDMContext[] children1 = getChildren(exprDmc, new String[] { "Base", "Base" });
final IExpressionDMContext[] children = getChildren(children1[0], new String[] { "nested", "pNested" });
final IExpressionDMContext[] childOfPointer = getChildren(children[1], new String[] { "*pNested" });
Query<FormattedValueDMData> query = new Query<FormattedValueDMData>() {
@Override
protected void execute(DataRequestMonitor<FormattedValueDMData> rm) {
FormattedValueDMContext dmc = fExpService.getFormattedValueContext(children[0],
MIExpressions.DETAILS_FORMAT);
fExpService.getFormattedExpressionValue(dmc, rm);
}
};
fExpService.getExecutor().submit(query);
query.get();
query = new Query<FormattedValueDMData>() {
@Override
protected void execute(DataRequestMonitor<FormattedValueDMData> rm) {
FormattedValueDMContext dmc = fExpService.getFormattedValueContext(children[1],
MIExpressions.DETAILS_FORMAT);
fExpService.getFormattedExpressionValue(dmc, rm);
}
};
fExpService.getExecutor().submit(query);
query.get();
query = new Query<FormattedValueDMData>() {
@Override
protected void execute(DataRequestMonitor<FormattedValueDMData> rm) {
FormattedValueDMContext dmc = fExpService.getFormattedValueContext(childOfPointer[0],
MIExpressions.DETAILS_FORMAT);
fExpService.getFormattedExpressionValue(dmc, rm);
}
};
fExpService.getExecutor().submit(query);
query.get();
}
/**
* This test verifies that the ExpressionService can write to a variable.
*/
@Test
public void testWriteVariable() throws Throwable {
SyncUtil.runToLocation("testWrite");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "a[1]");
writeAndCheck(exprDmc, "987", IFormattedValues.DECIMAL_FORMAT, "987");
writeAndCheck(exprDmc, "16", IFormattedValues.HEX_FORMAT, "22");
writeAndCheck(exprDmc, "0x2e", IFormattedValues.HEX_FORMAT, "46");
writeAndCheck(exprDmc, "16", IFormattedValues.OCTAL_FORMAT, "14");
writeAndCheck(exprDmc, "022", IFormattedValues.OCTAL_FORMAT, "18");
writeAndCheck(exprDmc, "1011", IFormattedValues.BINARY_FORMAT, "11");
writeAndCheck(exprDmc, "0b1001", IFormattedValues.BINARY_FORMAT, "9");
writeAndCheck(exprDmc, "456", IFormattedValues.NATURAL_FORMAT, "456");
}
/*
* This method does a write and then a read to make sure the new value was
* properly written.
*/
private void writeAndCheck(final IExpressionDMContext exprDmc, final String newValueFormatted, final String format,
final String newValueInDecimal) throws Throwable {
ServiceEventWaitor<IExpressionChangedDMEvent> eventWaitor = new ServiceEventWaitor<>(
fSession, IExpressionChangedDMEvent.class);
// Write the new value using its formatted value
Query<Void> writeQuery = new Query<Void>() {
@Override
protected void execute(DataRequestMonitor<Void> rm) {
fExpService.writeExpression(exprDmc, newValueFormatted, format, rm);
}
};
fExpService.getExecutor().submit(writeQuery);
writeQuery.get();
IExpressionChangedDMEvent event = eventWaitor.waitForEvent(TestsPlugin.massageTimeout(1000));
assertThat(event.getDMContext(), is(exprDmc));
// Read the new value in decimal and check that it is what we expected
Query<FormattedValueDMData> readQuery = new Query<FormattedValueDMData>() {
@Override
protected void execute(DataRequestMonitor<FormattedValueDMData> rm) {
FormattedValueDMContext dmc = fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.DECIMAL_FORMAT);
fExpService.getFormattedExpressionValue(dmc, rm);
}
};
fExpService.getExecutor().submit(readQuery);
String actualDecimalValue = readQuery.get().getFormattedValue();
assertThat(actualDecimalValue.toLowerCase(), is(newValueInDecimal.toLowerCase()));
}
/**
* This tests verifies that we handle invalid formats properly for a write.
*/
@Test
public void testWriteErrorFormat() throws Throwable {
SyncUtil.runToLocation("testWrite");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "a[1]");
writeAndCheckError(exprDmc, "goodbye", IFormattedValues.DECIMAL_FORMAT);
writeAndCheckError(exprDmc, "abggg", IFormattedValues.HEX_FORMAT);
writeAndCheckError(exprDmc, "99", IFormattedValues.OCTAL_FORMAT);
writeAndCheckError(exprDmc, "234", IFormattedValues.BINARY_FORMAT);
writeAndCheckError(exprDmc, "hello", IFormattedValues.NATURAL_FORMAT);
writeAndCheckError(exprDmc, "1", "ThisFormatDoesNotExist");
IExpressionDMContext notWritableExprDmc = SyncUtil.createExpression(frameDmc, "10+5");
writeAndCheckError(notWritableExprDmc, "1", IFormattedValues.NATURAL_FORMAT);
}
/*
* This method does a write that should use an invalid value or format, and
* verifies that the operation fails
*/
private void writeAndCheckError(final IExpressionDMContext exprDmc, final String invalidValueFormatted,
final String format) throws Throwable {
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
// Write the new value using its formatted value
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.writeExpression(exprDmc, invalidValueFormatted, format, new RequestMonitor(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
wait.waitFinished(getStatus());
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue("Got an OK status for an error test case. Should not be able to write value "
+ invalidValueFormatted + " in " + format, !wait.isOK());
assertTrue("ExprChangedEvent problem: expected 0, received " + getExprChangedCount(),
getExprChangedCount() == 0);
}
/**
* This test tries multiple format reads during the same executor cycle, to
* make sure the internal MI commands are sequenced properly.
*/
@Test
public void testConcurrentReads() throws Throwable {
// Next we test that we can read the value more than once
// of the same variable object at the exact same time
SyncUtil.runToLocation("testConcurrent");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
IExpressionDMContext exprDmc = fExpService.createExpression(frameDmc, "a[0]");
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.NATURAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("28")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format", null));
}
}
}
});
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.HEX_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equalsIgnoreCase("0x1c")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating hex format", null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
assertTrue("ExprChangedEvent problem: expected 0, received " + getExprChangedCount(),
getExprChangedCount() == 0);
}
/**
* This test tries reads and listChildren during the same executor cycle, to
* make sure the internal MI commands are sequenced properly.
*/
@Test
public void testConcurrentReadChildren() throws Throwable {
// Next we test that we can retrieve children while reading the value
// and vice-versa
SyncUtil.runToLocation("testConcurrent");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
// First we get the expected value of the array pointer.
final IExpressionDMContext addrDmc = SyncUtil.createExpression(frameDmc, "&a");
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(addrDmc, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (isSuccess()) {
wait.setReturnInfo(getData());
}
wait.waitFinished(getStatus());
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
final String actualAddrStr = ((FormattedValueDMData) wait.getReturnInfo()).getFormattedValue();
wait.waitReset();
// Now perform the test
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
IExpressionDMContext exprDmc = fExpService.createExpression(frameDmc, "a");
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.NATURAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals(actualAddrStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format", null));
}
}
}
});
wait.increment();
fExpService.getSubExpressions(exprDmc, new DataRequestMonitor<IExpressionDMContext[]>(
fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
IExpressionDMContext[] children = getData();
int failedIndex = -1;
for (int i = 0; i < 2; i++) {
if (!children[i].getExpression().equals("a[" + i + "]")) {
failedIndex = i;
}
}
if (failedIndex != -1) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting child number: " + failedIndex, null));
} else {
wait.waitFinished();
}
}
}
});
// Use different format to avoid triggering the cache
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.HEX_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals(actualAddrStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating hex format", null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
assertTrue("ExprChangedEvent problem: expected 0, received " + getExprChangedCount(),
getExprChangedCount() == 0);
}
/**
* This test tries reads and getChildrenCount during the same executor
* cycle, to make sure the internal MI commands are sequenced properly.
*/
@Test
public void testConcurrentReadChildrenCount() throws Throwable {
// Next we test that we can retrieve children count while reading the
// value and vice-versa
SyncUtil.runToLocation("testConcurrent");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
// First we get the expected value of the array pointer.
final IExpressionDMContext addrDmc = SyncUtil.createExpression(frameDmc, "&a");
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(addrDmc, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (isSuccess()) {
wait.setReturnInfo(getData());
}
wait.waitFinished(getStatus());
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
final String actualAddrStr = ((FormattedValueDMData) wait.getReturnInfo()).getFormattedValue();
wait.waitReset();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
wait.increment();
IExpressionDMContext exprDmc = fExpService.createExpression(frameDmc, "a");
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.NATURAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals(actualAddrStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format", null));
}
}
}
});
wait.increment();
fExpService.getSubExpressionCount(exprDmc, new DataRequestMonitor<Integer>(fExpService.getExecutor(),
null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
int count = getData();
if (count != 2) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting count for children. Got" + count + "instead of 2", null));
} else {
wait.waitFinished();
}
}
}
});
// Use different format to avoid triggering the cache
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.HEX_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals(actualAddrStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating hex format", null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
assertTrue("ExprChangedEvent problem: expected 0, received " + getExprChangedCount(),
getExprChangedCount() == 0);
}
/**
* This test tries reads and writes during the same executor cycle, to make
* sure the internal MI commands are sequenced properly.
*/
@Test
public void testConcurrentReadWrite() throws Throwable {
// Next we test that we can deal with a write request and read request
// at
// the same time and vice-versa
SyncUtil.runToLocation("testConcurrent");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "a[1]");
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.NATURAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("32")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format, got " + getData().getFormattedValue()
+ " instead of 32", null));
}
}
}
});
wait.increment();
fExpService.writeExpression(exprDmc, "56", IFormattedValues.NATURAL_FORMAT, new RequestMonitor(
fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
wait.waitFinished();
}
}
});
// Use different format to avoid triggering the cache
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.HEX_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("0x38")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating hex format, got " + getData().getFormattedValue()
+ " instead of 0x38", null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
assertTrue("ExprChangedEvent problem: expected 1, received " + getExprChangedCount(),
getExprChangedCount() == 1);
exprDmc.equals(getExprChangedContext());
clearExprChangedData();
}
/**
* This test tries many different operations during the same executor cycle,
* to make sure the internal MI commands are sequenced properly.
*/
@Test
public void testConcurrentReadWriteChildren() throws Throwable {
// Finally, we go nuts and request two reads, while requesting
// a get children and get children count.
// Note that we don't request a write, because a write is allowed to
// go through at any time and we don't exactly know when it will
// change the value we are reading.
SyncUtil.runToLocation("testConcurrent");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "a[1]");
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.NATURAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("32")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format, got " + getData().getFormattedValue()
+ " instead of 32", null));
}
}
}
});
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.HEX_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("0x20")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating hex format, got " + getData().getFormattedValue()
+ " instead of 0x20", null));
}
}
}
});
wait.increment();
fExpService.getSubExpressionCount(exprDmc, new DataRequestMonitor<Integer>(fExpService.getExecutor(),
null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData() != 0) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting child count; expecting 0 got " + getData(), null));
} else {
wait.waitFinished();
}
}
}
});
wait.increment();
fExpService.getSubExpressions(exprDmc, new DataRequestMonitor<IExpressionDMContext[]>(
fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().length != 0) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 0 got " + getData().length, null));
} else {
wait.waitFinished();
}
}
}
});
// Must use a different format or else the cache will be triggered
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.OCTAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("040")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating hex format, got " + getData().getFormattedValue()
+ " instead of 040", null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
assertTrue("ExprChangedEvent problem: expected 0, received " + getExprChangedCount(),
getExprChangedCount() == 0);
exprDmc.equals(getExprChangedContext());
clearExprChangedData();
}
/**
* This test verifies that the ExpressionService caches the evaluation of an
* expression in a specific format. It verifies this by: 1- reading a
* variable 2- writing to that variable 3- reading the variable in a new
* format and seeing the new value 4- reading the variable in the same
* format as step 1 and seeing the old value cached Note that all above
* steps must be done within the same Runnable submitted to the executor.
* This allows the cache to be triggered before it is invalidated by a write
* command, since the write command will need an new executor cycle to send
* an MI command to the back-end
*/
@Test
public void testWriteCache() throws Throwable {
// Test the cache by changing a value but triggering a read before the
// write clears the cache
SyncUtil.runToLocation("testConcurrent");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "a[1]");
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.NATURAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("32")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format, got " + getData().getFormattedValue()
+ " instead of 32", null));
}
}
}
});
wait.increment();
fExpService.writeExpression(exprDmc, "56", IFormattedValues.NATURAL_FORMAT, new RequestMonitor(
fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
wait.waitFinished();
}
}
});
// Must use a different format or else the cache will be
// triggered
// This will prove that the write has changed the backend
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.OCTAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("070")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating hex format, got " + getData().getFormattedValue()
+ " instead of 070", null));
}
}
}
});
// Test that the cache is triggered, giving us the old value
// This happens because we are calling this operation on the
// same executor run call.
// NOTE that this is not a problem, because the writeExpression
// will eventually
// reset the cache (we'll test this below).
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.NATURAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("32")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format, got " + getData().getFormattedValue()
+ " instead of 32", null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
// Now that we know the writeExpressions completed and the cache was
// reset, do a similar
// request as above to see that the cache has indeed been reset
wait.waitReset();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
wait.increment();
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc,
IFormattedValues.NATURAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("56")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format, got " + getData().getFormattedValue()
+ " instead of 56", null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
assertTrue("ExprChangedEvent problem: expected 1, received " + getExprChangedCount(),
getExprChangedCount() == 1);
exprDmc.equals(getExprChangedContext());
clearExprChangedData();
}
/**
* Test that we can correctly retrieve the address and type size of an
* expression
*/
@Test
public void testExprAddress() throws Throwable {
SyncUtil.runToLocation("testAddress");
MIStoppedEvent stoppedEvent = SyncUtil.step(2, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "a");
final IExpressionDMContext exprDmc2 = SyncUtil.createExpression(frameDmc, "a_ptr");
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
// First get the address of 'a' through 'a_ptr'
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(fExpService.getFormattedValueContext(exprDmc2,
IFormattedValues.NATURAL_FORMAT), new DataRequestMonitor<FormattedValueDMData>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (isSuccess()) {
wait.setReturnInfo(getData());
}
wait.waitFinished(getStatus());
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
String actualAddrStr = ((FormattedValueDMData) wait.getReturnInfo()).getFormattedValue();
wait.waitReset();
// Now check the address through our getAddressData
checkAddressData(exprDmc, actualAddrStr, 4);
assertTrue("ExprChangedEvent problem: expected 0, received " + getExprChangedCount(),
getExprChangedCount() == 0);
}
/**
* Test that we can correctly evaluate C expressions involving global
* variables.
*
* @return void
*/
@Test
public void testGlobalVariables() throws Throwable {
// Step to a stack level of 2 to be able to test differen stack frames
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("locals2");
// Create a map of expressions to expected values.
Map<String, String[]> tests = new HashMap<String, String[]>();
// Global variables
tests.put("gIntVar", new String[] { "0x21F", "01037", "1000011111", "543", "543", "543" });
tests.put("gDoubleVar", new String[] { "0x21F", "01037", "1000011111", "543", "543.54300000000001", "543.54300000000001" });
tests.put("gCharVar", new String[] { "0x67", "0147", "1100111", "103", "103 'g'", "103 'g'" });
tests.put("gBoolVar", new String[] { "0x0", "0", "0", "0", "false", "false" });
tests.put("gIntArray[1]", new String[] { "0x28E", "01216", "1010001110", "654", "654", "654" });
tests.put("gDoubleArray[1]", new String[] { "0x28E", "01216", "1010001110", "654", "654.32100000000003", "654.32100000000003" });
tests.put("gCharArray[1]", new String[] { "0x64", "0144", "1100100", "100", "100 'd'", "100 'd'" });
tests.put("gBoolArray[1]", new String[] { "0x0", "0", "0", "0", "false", "false" });
tests.put("*gIntPtr", new String[] { "0x21F", "01037", "1000011111", "543", "543", "543" });
tests.put("*gDoublePtr", new String[] { "0x21F", "01037", "1000011111", "543", "543.54300000000001", "543.54300000000001" });
tests.put("*gCharPtr", new String[] { "0x67", "0147", "1100111", "103", "103 'g'", "103 'g'" });
tests.put("*gBoolPtr", new String[] { "0x0", "0", "0", "0", "false", "false" });
tests.put("gIntPtr2", new String[] { "0x8", "010", "1000", "8", "0x8" , "0x8" });
tests.put("gDoublePtr2", new String[] { "0x5432", "052062", "101010000110010", "21554", "0x5432", "0x5432" });
// GDB says a char* is out of bounds, but not the other pointers???
// tests.put("gCharPtr2", new String[] { "0x4321", "041441",
// "100001100100001", "17185", "0x4321" });
tests.put("gBoolPtr2", new String[] { "0x12ABCDEF", "02252746757", "10010101010111100110111101111",
"313249263", "0x12ABCDEF", "0x12ABCDEF" });
// Try different stack frames
executeExpressionSubTests(tests, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0));
executeExpressionSubTests(tests, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 1));
executeExpressionSubTests(tests, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 2));
}
/**
* This test verifies that the ExpressionService can handle having a
* variable with the same name in two different methods but at the same
* stack depth.
*/
@Test
public void testNamingSameDepth() throws Throwable {
SyncUtil.runToLocation("testName1");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
Map<String, String[]> tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0x1", "01", "1", "1", "1", "1" });
executeExpressionSubTests(tests, frameDmc);
SyncUtil.runToLocation("testName2");
stoppedEvent = SyncUtil.step(1, StepType.STEP_INTO);
frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0x2", "02", "10", "2", "2", "2" });
executeExpressionSubTests(tests, frameDmc);
SyncUtil.runToLocation("testName1");
stoppedEvent = SyncUtil.step(1, StepType.STEP_INTO);
frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0x3", "03", "11", "3", "3", "3" });
executeExpressionSubTests(tests, frameDmc);
}
/**
* This test verifies that the ExpressionService can handle having a
* variable with the same name in two methods that also have the same name
*/
@Test
public void testNamingSameMethod() throws Throwable {
SyncUtil.runToLocation("testSameName");
MIStoppedEvent stoppedEvent = SyncUtil.step(2, StepType.STEP_INTO);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
Map<String, String[]> tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0x1", "01", "1", "1", "1" , "1" });
executeExpressionSubTests(tests, frameDmc);
SyncUtil.step(StepType.STEP_RETURN);
stoppedEvent = SyncUtil.step(2, StepType.STEP_INTO);
frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0x2", "02", "10", "2", "2", "2" });
executeExpressionSubTests(tests, frameDmc);
SyncUtil.step(StepType.STEP_RETURN);
stoppedEvent = SyncUtil.step(2, StepType.STEP_INTO);
frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
tests = new HashMap<String, String[]>();
tests.put("a", new String[] { "0x3", "03", "11", "3", "3", "3" });
executeExpressionSubTests(tests, frameDmc);
}
/**
* This test makes sure that if a request for expression values are made with
* a thread selected, the top-most stack frame is used for evaluation
*/
@Test
public void testThreadContext() throws Throwable {
// Step to a stack level of 2 to be able to test differen stack frames
SyncUtil.runToLocation("locals2");
MIStoppedEvent stoppedEvent = SyncUtil.step(StepType.STEP_OVER);
// Create a map of expressions to expected values.
Map<String, String[]> tests = new HashMap<String, String[]>();
// First make sure we have a different value on the other stack frame and that we select
// a frame that is not the top frame
tests.put("lIntVar", new String[] { "0x3039", "030071", "11000000111001", "12345", "12345", "12345" });
executeExpressionSubTests(tests, SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 1));
// Now check that we get the same values as the top stack when selecting the thread only
tests = new HashMap<String, String[]>();
tests.put("lIntVar", new String[] { "0x1a85", "015205", "1101010000101", "6789", "6789" , "6789" });
executeExpressionSubTests(tests, stoppedEvent.getDMContext());
}
/**
* This test verifies that the ExpressionService can handle having a
* child variable with the same name in two methods that also have the same name
*/
@Test
public void testChildNamingSameMethod() throws Throwable {
SyncUtil.runToLocation("testSameName");
MIStoppedEvent stoppedEvent = SyncUtil.step(4, StepType.STEP_INTO);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc, "z");
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 2) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 2 got " + getData().length, null));
} else {
// now get the value of the child
final String valueStr = "1";
final IExpressionDMContext child = getData()[0];
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + child.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
SyncUtil.step(StepType.STEP_RETURN);
stoppedEvent = SyncUtil.step(4, StepType.STEP_INTO);
final IFrameDMContext frameDmc2 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc2, "z");
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 2) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 2 got " + getData().length, null));
} else {
// now get the value of the child
final String valueStr = "2";
final IExpressionDMContext child = getData()[0];
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + child.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
SyncUtil.step(StepType.STEP_RETURN);
stoppedEvent = SyncUtil.step(4, StepType.STEP_INTO);
final IFrameDMContext frameDmc3 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc3, "z");
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 2) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 2 got " + getData().length, null));
} else {
// now get the value of the child
final String valueStr = "3";
final IExpressionDMContext child = getData()[0];
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + child.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* This test verifies that the ExpressionService properly updates
* children variables, when we do not update the parent explicitly
*/
@Test
public void testUpdatingChildren() throws Throwable {
SyncUtil.runToLocation("testUpdateChildren");
MIStoppedEvent stoppedEvent = SyncUtil.step(2, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
doUpdateTest(frameDmc, 0);
// Re-run the test to test out-of-scope update again
SyncUtil.step(StepType.STEP_RETURN);
stoppedEvent = SyncUtil.step(3, StepType.STEP_INTO);
final IFrameDMContext frameDmc2 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
doUpdateTest(frameDmc2, 100);
// Re-run the test within a different method test out-of-scope updates
SyncUtil.step(StepType.STEP_RETURN);
stoppedEvent = SyncUtil.step(3, StepType.STEP_INTO);
final IFrameDMContext frameDmc3 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
doUpdateTest(frameDmc3, 200);
}
public void doUpdateTest(final IFrameDMContext frameDmc, final int baseValue) throws Throwable {
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc, "a");
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 1) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 1 got " + getData().length, null));
} else {
// Now list the children of this child
fExpService.getSubExpressions(
getData()[0],
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
final IExpressionDMContext[] childDmcs = getData();
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (childDmcs.length != 2) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 2 got " + childDmcs.length, null));
} else {
// now get the value of the two children
for (int i =0; i<2; i++) {
final String valueStr = Integer.toString(baseValue + i + 10);
final int finali = i;
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(childDmcs[i], IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + childDmcs[finali].getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
// Now step to change the value of a.z.x and a.z.y and verify the changed values.
// This will confirm that the parent "a" will have been properly updated
// It is a better test to do it for two children because it tests concurrent update requests
MIStoppedEvent stoppedEvent = SyncUtil.step(2, StepType.STEP_OVER);
final IFrameDMContext frameDmc2 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc2, "a");
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 1) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 1 got " + getData().length, null));
} else {
// Now list the children of this child
fExpService.getSubExpressions(
getData()[0],
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
final IExpressionDMContext[] childDmcs = getData();
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (childDmcs.length != 2) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 2 got " + childDmcs.length, null));
} else {
// now get the value of the two children
for (int i =0; i<2; i++) {
final String valueStr = Integer.toString(baseValue + i + 20);
final int finali = i;
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(childDmcs[i], IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + childDmcs[finali].getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* This test creates a variable object with children (not an array) and then gets these children
* to be deleted because of a large number of other variable objects being created.
* We then check that the expression service can handle a request for one of those deleted children,
* which has a complex path.
*/
@Test
public void testDeleteChildren() throws Throwable {
assumeGdbVersionAtLeast(ITestConstants.SUFFIX_GDB_6_7);
assumeGdbVersionLowerThen(ITestConstants.SUFFIX_GDB_7_3);
SyncUtil.runToLocation("testDeleteChildren");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc, "f");
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().length != 5) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 5 got " + getData().length, null));
} else {
String childStr = "((bar) f)";
if (!getData()[0].getExpression().equals(childStr)) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Got child " + getData()[0].getExpression() + " instead of " + childStr, null));
} else {
// Now list the children of the first element
fExpService.getSubExpressions(
getData()[0],
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().length != 2) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 2 got " + getData().length, null));
} else {
String childStr = "((((bar) f)).d)";
if (!getData()[0].getExpression().equals(childStr)) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Got child " + getData()[0].getExpression() + " instead of " + childStr, null));
} else {
wait.setReturnInfo(getData()[0]);
wait.waitFinished();
}
}
}
}
});
}
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
final IExpressionDMContext deletedChildDmc = (IExpressionDMContext)wait.getReturnInfo();
wait.waitReset();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// Now create more than 1000 expressions to trigger the deletion of the children
// that were created above
for (int i=0; i<1100; i++) {
IExpressionDMContext dmc = fExpService.createExpression(frameDmc, "a[" + i + "]");
wait.increment();
fExpService.getExpressionData(
dmc,
new DataRequestMonitor<IExpressionDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
wait.waitFinished();
}
}
});
}
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// Evaluate the expression of a child that we know is deleted to make sure
// the expression service can handle that
fExpService.getExpressionData(
deletedChildDmc,
new DataRequestMonitor<IExpressionDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
wait.waitFinished();
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* GDB 6.7 has a bug which will cause var-update not to show
* the new value of 'a' if we switch the format to binary,
* since binary of 3 is 11 which is the same as the old value
* in natural format. Our expression service should work around this.
*
* int main() {
* int a = 11;
* a = 3;
* return 0;
* }
*/
@Test
public void testUpdateGDBBug() throws Throwable {
SyncUtil.runToLocation("testUpdateGDBBug");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext exprDmc = fExpService.createExpression(frameDmc, "a");
// This call will create the variable object in natural format and then change
// it to binary to fetch the value
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(exprDmc, IFormattedValues.BINARY_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("1011")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating binary format, expected 1011 but got " +
getData().getFormattedValue(), null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
// Now step to change the value of "a" and ask for it again
stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc2 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext exprDmc = fExpService.createExpression(frameDmc2, "a");
// This call will create the variable object in natural format and then change
// it to binary to fetch the value
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(exprDmc, IFormattedValues.BINARY_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("11")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating binary format, expected 11 but got " +
getData().getFormattedValue(), null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* var-update will not show a change if eval-expression is the same
* in the current format. This is a problem for us because we don't
* know if another format changed:
*
* int main() {
* double a = 1.99;
* a = 1.11;
* }
*
* If a is displayed in anything but natural, both values of a are the same
* and we won't know it changed in the natural format.
*
* The test below is in case GDB fixes var-update to keep track of the last
* printed value through eval-expression. Until they do that, we do not have
* a problem because of our caching: where, if we change formats since the last
* var-update, it is impossible for us to set the format back
* to the one of the last -var-update, since we already have that value in our cache.
* So, the -var-update will show a change because of the new current format.
* But if GDB has eval-expression reset their stored printed_value, this test
* will fail and we'll know we have to fix something.
*/
@Test
public void testUpdateIssue() throws Throwable {
SyncUtil.runToLocation("testUpdateIssue");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext exprDmc = fExpService.createExpression(frameDmc, "a");
// check that we have the proper value
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(exprDmc, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("1.99")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating a, expected 1.99 but got " +
getData().getFormattedValue(), null));
}
}
}
});
// ask for hex to set the format to hex
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(exprDmc, IFormattedValues.HEX_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("0x1")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating a, expected 0x1 but got " +
getData().getFormattedValue(), null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
// Now step to change the value of "a" and ask for it again but in the natural format
stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc2 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext exprDmc = fExpService.createExpression(frameDmc2, "a");
// trigger the var-update in the last format (hex)
// then request the actual value in natural which should not be taken from the cache
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(exprDmc, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("1.22")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format, expected 1.22 but got " +
getData().getFormattedValue(), null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* var-update will not show a change if eval-expression is the same
* in the current format. This is a problem for us because we don't
* know if another format changed:
*
* int main() {
* struct {
* double d;
* } z;
*
* z.d = 1.0;
* z.d = 1.22;
* }
*
* If a is displayed in anything but natural, both values of a are the same
* and we won't know it changed in the natural format.
* This test uses a child to increase the value of the test.
* Also, it avoids the cache saving us since we start with the 1.0 value
* which is the same in natural and decimal
*/
@Test
public void testUpdateIssue2() throws Throwable {
SyncUtil.runToLocation("testUpdateIssue2");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc, "z");
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 1) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 1 got " + getData().length, null));
} else {
// check that we have the proper value
// This will cache the value 1 in the natural format cache
final String valueStr = "1";
globalExpressionCtx1 = getData()[0];
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx1.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
// ask for decimal to set the format to decimal
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.DECIMAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx1.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
// Now step to change the value of "a" in natural but it remains the same in decimal
SyncUtil.step(1, StepType.STEP_OVER);
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// trigger the var-update in the last format (decimal)
// then request the actual value in natural which should not be taken from the cache
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().getFormattedValue().equals("1.22")) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating natural format, expected 1.22 but got " +
getData().getFormattedValue(), null));
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* This test verifies the state handling of a child variable object
* to make sure that our locking scheme works even though we must deal
* with an update call, internally
*/
@Test
public void testConcurrentReadAndUpdateChild() throws Throwable {
SyncUtil.runToLocation("testConcurrentReadAndUpdateChild");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
// Ask for one value to create the var object
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc, "z");
wait.increment();
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 1) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 1 got " + getData().length, null));
} else {
// now get the value of the child
final String valueStr = "01";
globalExpressionCtx1 = getData()[0];
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.OCTAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx1.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
// Now do two reads in two different formats
// We need to make sure that the locking properly works although we are calling
// the internal update method, which does affect the state of the object
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.BINARY_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
final String valueStr = "1";
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx1.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.HEX_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
final String valueStr = "0x1";
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx1.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* This test verifies some of the logic of dealing with out-of-scope variables.
* This particular scenario is that we create a parent with a child and then
* have them go out of scope. Then we request the child which will update the parent
* and mark it as out-of-scope and recreate the child. The parent is not re-created.
* We then ask twice for the parent which is already known to be out-of-scope and we need
* to make sure that the parent is re-created once and only once.
* We had a bug where we would enter an infinite loop in this case.
*/
@Test
public void testConcurrentUpdateOutOfScopeChildThenParent() throws Throwable {
SyncUtil.runToLocation("testConcurrentUpdateOutOfScopeChildThenParent");
MIStoppedEvent stoppedEvent = SyncUtil.step(2, StepType.STEP_INTO);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and its child
globalExpressionCtx1 = fExpService.createExpression(frameDmc, "z");
wait.increment();
fExpService.getSubExpressions(
globalExpressionCtx1,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 1) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 1 got " + getData().length, null));
} else {
// now get the value of the child
final String valueStr = "1";
globalExpressionCtx2 = getData()[0];
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx2, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx2.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
}
});
}
});
wait.waitUntilDone(TestsPlugin.massageTimeout(5000));
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
SyncUtil.step(StepType.STEP_RETURN);
stoppedEvent = SyncUtil.step(2, StepType.STEP_INTO);
// Now step to another method to make the previous variable objects out-of-scope
// then first request the child and then the parent. We want to test this order
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx2, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
final String valueStr = "2";
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx2.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
});
wait.waitUntilDone(TestsPlugin.massageTimeout(5000));
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
final String valueStr = "{...}";
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx1.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
// Ask a second time but in a different format, to avoid the cache
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.DECIMAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
final String valueStr = "{...}";
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(valueStr)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx1.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + valueStr, null));
}
}
});
}
});
wait.waitUntilDone(TestsPlugin.massageTimeout(5000));
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
//TODO although this test passes, the variable z is created twice, without being
// deleted in GDB. We should fix this
}
/**
* This test verifies that we properly update a pointer and its child since they can both
* change and be reported by var-update
*/
@Test
public void testUpdateOfPointer() throws Throwable {
SyncUtil.runToLocation("testUpdateOfPointer");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final String firstValue = "1";
final String secondValue = "2";
final String thirdValue = "3";
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc, "z");
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 2) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 2 got " + getData().length, null));
} else {
// check that we have the proper value for both children
globalExpressionCtx1 = getData()[0];
globalExpressionCtx2 = getData()[1];
// Get the value of the first child
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(firstValue)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx1.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + firstValue, null));
}
}
});
// Get the value of the second child
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx2, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
wait.setReturnInfo(getData().getFormattedValue());
wait.waitFinished();
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
final String pointerValue = (String)wait.getReturnInfo();
wait.waitReset();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// also get the child of the pointer
fExpService.getSubExpressions(
globalExpressionCtx2,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 1) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 1 got " + getData().length, null));
} else {
// Get the value of the child of the pointer
globalExpressionCtx2 = getData()[0];
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx2, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(firstValue)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx2.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + firstValue, null));
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
// Now step to change the values of all the children
stoppedEvent = SyncUtil.step(2, StepType.STEP_OVER);
final IFrameDMContext frameDmc2 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc2, "z");
fExpService.getSubExpressions(
parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 2) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 2 got " + getData().length, null));
} else {
// check that we have the proper value for both children
globalExpressionCtx1 = getData()[0];
globalExpressionCtx2 = getData()[1];
// Get the value of the first child
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx1, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(secondValue)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx1.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + secondValue, null));
}
}
});
// Get the value of the second child
wait.increment();
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx2, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (!getData().getFormattedValue().equals(pointerValue)) {
// The value should have changed
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx2.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of some other value", null));
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// also get the child of the pointer
fExpService.getSubExpressions(
globalExpressionCtx2,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().length != 1) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 1 got " + getData().length, null));
} else {
// Get the value of the child of the pointer
globalExpressionCtx2 = getData()[0];
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(globalExpressionCtx2, IFormattedValues.NATURAL_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData().getFormattedValue().equals(thirdValue)) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed evaluating " + globalExpressionCtx2.getExpression() + ", got " + getData().getFormattedValue()
+ " instead of " + thirdValue, null));
}
}
});
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* This test verifies that we properly return if we can write to different expressions
*/
@Test
public void testCanWrite() throws Throwable {
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("testCanWrite");
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
final int exprCount = 5;
final IExpressionDMContext dmcs[] = new IExpressionDMContext[exprCount];
final boolean expectedValues[] = new boolean[exprCount];
int exprIndex = 0;
dmcs[exprIndex] = fExpService.createExpression(frameDmc, "a");
expectedValues[exprIndex] = true;
exprIndex++;
dmcs[exprIndex] = fExpService.createExpression(frameDmc, "b");
expectedValues[exprIndex] = true;
exprIndex++;
dmcs[exprIndex] = fExpService.createExpression(frameDmc, "c");
expectedValues[exprIndex] = false;
exprIndex++;
dmcs[exprIndex] = fExpService.createExpression(frameDmc, "d");
expectedValues[exprIndex] = false;
exprIndex++;
dmcs[exprIndex] = fExpService.createExpression(frameDmc, "d[1]");
expectedValues[exprIndex] = true;
exprIndex++;
for (int index = 0; index < exprCount; index++) {
final int finalIndex = index;
wait.increment();
fExpService.canWriteExpression(
dmcs[finalIndex],
new DataRequestMonitor<Boolean>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData() == expectedValues[finalIndex]) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed establishing proper canWrite for " + dmcs[finalIndex].getExpression() +
", got " + getData() + " instead of " + expectedValues[finalIndex], null));
}
}
});
}
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* This test verifies that we properly return if we can write to an expression
* that is an L-Value or a Constant
*/
@Test
public void testCanWriteLValue() throws Throwable {
assumeGdbVersionAtLeast(ITestConstants.SUFFIX_GDB_6_8);
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("testCanWrite"); // Re-use test
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
final int exprCount = 2;
final IExpressionDMContext dmcs[] = new IExpressionDMContext[exprCount];
final boolean expectedValues[] = new boolean[exprCount];
int exprIndex = 0;
dmcs[exprIndex] = fExpService.createExpression(frameDmc, "&a");
expectedValues[exprIndex] = false;
exprIndex++;
dmcs[exprIndex] = fExpService.createExpression(frameDmc, "1");
expectedValues[exprIndex] = false;
exprIndex++;
for (int index = 0; index < exprCount; index++) {
final int finalIndex = index;
wait.increment();
fExpService.canWriteExpression(
dmcs[finalIndex],
new DataRequestMonitor<Boolean>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else if (getData() == expectedValues[finalIndex]) {
wait.waitFinished();
} else {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed establishing proper canWrite for " + dmcs[finalIndex].getExpression() +
", got " + getData() + " instead of " + expectedValues[finalIndex], null));
}
}
});
}
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* Executes a group of sub-tests.
*
* @param tests
* A Map in which the key is an expression to evaluate and the
* value is an array of expected values, one for each of the
* formats supported by the Expressions service (hex, octal,
* binary, decimal, natural, details).
* @param exact
* Indicates whether the natural and details format should
* require an exact match to the expected value, or whether the
* comparison should match only up to the number of characters
* provided in the expected value. Where this is used is in
* expressions that involve floating point calculation. Such
* calculations are not exact (even when you'd think they should
* be) and these tests cannot predict what exactly the result
* will be. When this param is false, then we consider it a match
* if, e.g., the gdb expression resolves to "1.23456789", but the
* caller only supplied "1.2345".
*/
private void executeExpressionSubTests(final Map<String, String[]> tests, final boolean exact, IDMContext dmc)
throws Throwable
{
// Now evaluate each of the above expressions and compare the actual
// value against
// the expected value.
for (final String expressionToEvaluate : tests.keySet()) {
// Get an IExpressionDMContext object representing the expression to
// be evaluated.
final IExpressionDMContext exprDMC = SyncUtil.createExpression(dmc, expressionToEvaluate);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
// Get the list of available format IDs for this expression and for
// each one,
// get the value of the expression
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getAvailableFormats(exprDMC, new DataRequestMonitor<String[]>(
fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
final String[] formatIds = getData();
// Now run the current sub-test using each of
// the formats available for the type of
// the expression in the sub-test.
for (final String formatId : formatIds) {
// Get a FormattedValueCMContext object for
// the expression-formatID pair.
final FormattedValueDMContext valueDmc = fExpService.getFormattedValueContext(
exprDMC, formatId);
// Increment the number of completed
// requests to wait for, since we will send
// multiple concurrent requests
wait.increment();
// Evaluate the expression represented by
// the FormattedValueDMContext object
// This actually evaluates the expression.
fExpService.getFormattedExpressionValue(valueDmc,
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
// Get the
// FormattedValueDMData
// object from the waiter.
FormattedValueDMData exprValueDMData = getData();
final String[] expectedValues = tests.get(expressionToEvaluate);
// Check the value of the expression for correctness.
String actualValue = exprValueDMData.getFormattedValue();
String expectedValue;
if (formatId.equals(IFormattedValues.HEX_FORMAT))
expectedValue = expectedValues[0];
else if (formatId.equals(IFormattedValues.OCTAL_FORMAT))
expectedValue = expectedValues[1];
else if (formatId.equals(IFormattedValues.BINARY_FORMAT))
expectedValue = expectedValues[2];
else if (formatId.equals(IFormattedValues.DECIMAL_FORMAT))
expectedValue = expectedValues[3];
else if (formatId.equals(IFormattedValues.NATURAL_FORMAT))
expectedValue = expectedValues[4];
else if (formatId.equals(MIExpressions.DETAILS_FORMAT))
expectedValue = expectedValues[5];
else
expectedValue = "[Unrecognized format ID: " + formatId + "]";
if ((exact == false) &&
(formatId.equals(IFormattedValues.NATURAL_FORMAT) || formatId.equals(MIExpressions.DETAILS_FORMAT)) &&
(expectedValue.length() < actualValue.length())) {
actualValue = actualValue.substring(0, expectedValue.length());
}
if (actualValue.equalsIgnoreCase(expectedValue)) {
wait.waitFinished();
} else {
String errorMsg = "Failed to correctly evalutate '"
+ expressionToEvaluate + "': expected '" + expectedValue
+ "', got '" + actualValue + "'";
wait.waitFinished(new Status(IStatus.ERROR,
TestsPlugin.PLUGIN_ID, errorMsg, null));
}
}
}
});
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
assertTrue("ExprChangedEvent problem: expected 0, received " + getExprChangedCount(),
getExprChangedCount() == 0);
}
}
private void executeExpressionSubTests(final Map<String, String[]> tests, IDMContext dmc) throws Throwable {
executeExpressionSubTests(tests, true, dmc);
}
private boolean addressesEqual(IExpressionDMAddress addrToTest, String addrStr, int size) {
IAddress addr;
if (addrStr.length() <= 10) {
addr = new Addr32(addrStr);
} else {
addr = new Addr64(addrStr);
}
return addrToTest.getAddress().equals(addr) && addrToTest.getSize() == size;
}
private void checkAddressData(final IExpressionDMContext dmc, String actualAddrStr, int actualAddrSize) throws Throwable {
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getExpressionAddressData(dmc, new DataRequestMonitor<IExpressionDMAddress>(fExpService
.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (isSuccess()) {
wait.setReturnInfo(getData());
}
wait.waitFinished(getStatus());
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
IExpressionDMAddress addr = (IExpressionDMAddress)wait.getReturnInfo();
assertTrue("Unable to get address", addr != null);
if (addr != null) {
assertTrue("Received wrong address of " + addr.toString() + " instead of (" +
actualAddrStr + ", " + actualAddrSize + ")",
addressesEqual(addr, actualAddrStr, actualAddrSize));
}
}
private void doTestChildren(IExpressionDMContext exprDMC) throws Throwable
{
IExpressionDMContext[] children =
getChildren(exprDMC, new String[] {"bar", "bar2", "a", "b", "c"});
// f.bar
IExpressionDMContext[] children1 =
getChildren(children[0], new String[] {"d", "e"});
// f.bar.d
getChildren(children1[0], new String[0]);
// f.bar.e
IExpressionDMContext[] children2 =
getChildren(children1[1], new String[] {"e[0]", "e[1]"});
// f.bar.e[0]
getChildren(children2[0], new String[0]);
// f.bar.e[1]
getChildren(children2[1], new String[0]);
// f.bar2
children1 = getChildren(children[1], new String[] {"f", "g"});
// f.bar2.f
getChildren(children1[0], new String[0]);
// f.bar2.g
children2 = getChildren(children1[1], new String[] {"g[0]", "g[1]"});
// f.bar2.g[0]
getChildren(children2[0], new String[0]);
// f.bar2.g[1]
getChildren(children2[1], new String[0]);
// f.a
children1 = getChildren(children[2], new String[] {"a[0]", "a[1]"});
// f.a[0]
getChildren(children1[0], new String[0]);
// f.a[1]
getChildren(children1[1], new String[0]);
// f.b
children1 = getChildren(children[3], new String[] {"d", "e"});
// f.b.d
getChildren(children1[0], new String[0]);
// f.b.e
children2 = getChildren(children1[1], new String[] {"e[0]", "e[1]"});
// f.b.e[0]
getChildren(children2[0], new String[0]);
// f.b.e[1]
getChildren(children2[1], new String[0]);
// f.c
getChildren(children[4], new String[0]);
assertTrue("ExprChangedEvent problem: expected 0, received " + getExprChangedCount(),
getExprChangedCount() == 0);
}
// This method tests IExspressions.getSubExpressions(IExpressionDMC, DRM);
protected IExpressionDMContext[] getChildren(
final IExpressionDMContext parentDmc,
String[] expectedValues) throws Throwable {
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getSubExpressions(parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (isSuccess()) {
wait.setReturnInfo(getData());
}
wait.waitFinished(getStatus());
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
IExpressionDMContext[] childDmcs =
(IExpressionDMContext[]) wait.getReturnInfo();
String[] childExpressions = new String[childDmcs.length];
MIExpressionDMCAccessor[] childDmcsAccessor = new MIExpressionDMCAccessor[childDmcs.length];
// Convert to a MIExpressionDMCAccessor to be able to call getRelativeExpression
// Also convert to String[] to be able to use Arrays.toString()
for (int i = 0; i < childExpressions.length; i++) {
childDmcsAccessor[i] = new MIExpressionDMCAccessor(childDmcs[i]);
childExpressions[i] = childDmcsAccessor[i].getRelativeExpression();
}
assertTrue("Expected " + Arrays.toString(expectedValues) + " but got " + Arrays.toString(childExpressions),
expectedValues.length == childExpressions.length);
for (int i = 0; i < childDmcsAccessor.length; i++) {
assertEquals(expectedValues[i], childDmcsAccessor[i].getRelativeExpression());
}
return childDmcs;
}
// This method tests IExpressions.getSubExpressions(IExpressionDMC, int, int, DRM);
protected IExpressionDMContext[] getChildren(
final IExpressionDMContext parentDmc,
final int startIndex,
final int length,
String[] expectedValues) throws Throwable {
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getSubExpressions(
parentDmc,
startIndex,
length,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (isSuccess()) {
wait.setReturnInfo(getData());
}
wait.waitFinished(getStatus());
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
IExpressionDMContext[] childDmcs =
(IExpressionDMContext[]) wait.getReturnInfo();
String[] childExpressions = new String[childDmcs.length];
MIExpressionDMCAccessor[] childDmcsAccessor = new MIExpressionDMCAccessor[childDmcs.length];
// Convert to a MIExpressionDMCAccessor to be able to call getRelativeExpression
// Also convert to String[] to be able to use Arrays.toString()
for (int i = 0; i < childExpressions.length; i++) {
childDmcsAccessor[i] = new MIExpressionDMCAccessor(childDmcs[i]);
childExpressions[i] = childDmcsAccessor[i].getRelativeExpression();
}
assertTrue("Expected " + Arrays.toString(expectedValues) + " but got " + Arrays.toString(childExpressions),
expectedValues.length == childExpressions.length);
for (int i = 0; i < childDmcsAccessor.length; i++) {
assertTrue("Expected: " + expectedValues[i] + " got: " + childDmcsAccessor[i].getRelativeExpression(),
childDmcsAccessor[i].getRelativeExpression().equals(expectedValues[i]));
}
return childDmcs;
}
/**
* This test verifies that large arrays are properly partitioned and
* the handling of "small" arrays is not affected.
*/
@Test
public void testArrays() throws Throwable {
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("testArrays");
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// int array_simple[10];
IExpressionDMContext arraySimpleExprDMC = SyncUtil.createExpression(frameDmc, "array_simple");
assertChildrenCount(arraySimpleExprDMC, 10);
// get all children
String[] expectedValues = new String[10];
for (int i = 0; i < expectedValues.length; ++i) {
expectedValues[i] = String.format("array_simple[%d]", i);
}
IExpressionDMContext[] arraySimpleChildren = getChildren(arraySimpleExprDMC, expectedValues);
for (IExpressionDMContext ctx : arraySimpleChildren)
getChildren(ctx, new String[0]);
// get some parts of the children array
getChildren(arraySimpleExprDMC, 3, 2, new String[] { "array_simple[3]", "array_simple[4]" });
getChildren(arraySimpleExprDMC, 9, 3, new String[] { "array_simple[9]" });
// int array_int[24321];
IExpressionDMContext arrayIntExprDMC = SyncUtil.createExpression(frameDmc, "array_int");
assertChildrenCount(arrayIntExprDMC, 3);
// get top level partitions: [0-9999], [10000-19999], [20000-24321]
IExpressionDMContext[] arrayIntPartitions =
getChildren(arrayIntExprDMC, new String[] {"*((array_int)+0)@10000", "*((array_int)+10000)@10000", "*((array_int)+20000)@4321"});
assertTrue(String.format("Invalid number of partition: expected 3 got %d", arrayIntPartitions.length), arrayIntPartitions.length == 3);
// get children of the last partition: [20000-24321]
expectedValues = new String[44];
for(int i = 0; i < expectedValues.length - 1; ++i) {
expectedValues[i] = String.format("*((array_int)+%d)@100", 20000 + i*100);
}
expectedValues[expectedValues.length - 1] = "*((array_int)+24300)@21";
IExpressionDMContext[] arrayIntPartitions1 = getChildren(arrayIntPartitions[2], expectedValues);
expectedValues = new String[21];
for(int i = 0; i < expectedValues.length; ++i) {
expectedValues[i] = String.format("array_int[%d]", 24300 + i);
}
getChildren(arrayIntPartitions1[arrayIntPartitions1.length - 1], expectedValues);
// foo array_foo[1200];
IExpressionDMContext arrayFooExprDMC = SyncUtil.createExpression(frameDmc, "array_foo");
assertChildrenCount(arrayFooExprDMC, 12);
expectedValues = new String[12];
for (int i = 0; i < expectedValues.length; ++i) {
expectedValues[i] = String.format("*((array_foo)+%d)@%d", i*100, 100);
}
IExpressionDMContext[] arrayFooPartitions = getChildren(arrayFooExprDMC, expectedValues);
for (int i = 0; i < arrayFooPartitions.length; ++i) {
IExpressionDMContext ctx = arrayFooPartitions[i];
assertTrue(String.format("Invalid DM context type: expected '%s' got '%s'",
IIndexedPartitionDMContext.class.getName(), ctx.getClass().getName()),
ctx instanceof IIndexedPartitionDMContext);
expectedValues = new String[100];
for (int j = 0; j < expectedValues.length; ++j) {
expectedValues[j] = String.format("array_foo[%d]", i*100 + j);
}
IExpressionDMContext[] arrayFooChildren = getChildren(ctx, expectedValues);
// check the children of a couple of children
getChildren(arrayFooChildren[0], new String[] {"bar", "bar2", "a", "b", "c"});
getChildren(arrayFooChildren[80], new String[] {"bar", "bar2", "a", "b", "c"});
// get parts of the children array
expectedValues = new String[] { String.format("array_foo[%d]", i*100 + 3), String.format("array_foo[%d]", i*100 + 4) };
getChildren(ctx, 3, 2, expectedValues);
getChildren(ctx, 99, 3, new String[] { String.format("array_foo[%d]", i*100 + 99) });
}
}
/**
* This test verifies that large double arrays are properly partitioned
*/
@Test
public void testLargeDoubleArray() throws Throwable {
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("testArrays");
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// char array_double_large[111][210]
IExpressionDMContext arrayDoubleLargeExprDMC = SyncUtil.createExpression(frameDmc, "array_double_large");
assertChildrenCount(arrayDoubleLargeExprDMC, 2);
// get top level partitions: [0-99], [100-110]
IExpressionDMContext[] arrayTopPartitions =
getChildren(arrayDoubleLargeExprDMC, new String[] {"*((array_double_large)+0)@100", "*((array_double_large)+100)@11"});
assertTrue(String.format("Invalid number of partition: expected 2 got %d", arrayTopPartitions.length), arrayTopPartitions.length == 2);
// get children child array_double_large[100-110]
IExpressionDMContext arrayDoubleLargeChildExprDMC = arrayTopPartitions[1];
assertChildrenCount(arrayDoubleLargeChildExprDMC, 11);
String[] expectedValues = new String[11];
for(int i = 0; i < expectedValues.length; ++i) {
expectedValues[i] = String.format("array_double_large[%d]", 100 +i);
}
IExpressionDMContext[] arrayChild = getChildren(arrayDoubleLargeChildExprDMC, expectedValues);
// get second level partitions: array_double_large[101][0-99], [100-199], [200-209]
IExpressionDMContext arrayDoubleLargeChildExprDMC2 = arrayChild[1];
assertChildrenCount(arrayDoubleLargeChildExprDMC2, 3);
IExpressionDMContext[] arraySecondLevelPartitions =
getChildren(arrayDoubleLargeChildExprDMC2, new String[] {"*((array_double_large[101])+0)@100",
"*((array_double_large[101])+100)@100",
"*((array_double_large[101])+200)@10"});
assertTrue(String.format("Invalid number of partition: expected 3 got %d", arraySecondLevelPartitions.length), arraySecondLevelPartitions.length == 3);
// get children of array_double_large[101][0-99]
IExpressionDMContext arrayDoubleLargeChildExprDMC3 = arraySecondLevelPartitions[0];
assertChildrenCount(arrayDoubleLargeChildExprDMC3, 100);
expectedValues = new String[100];
for(int i = 0; i < expectedValues.length; ++i) {
expectedValues[i] = String.format("array_double_large[101][%d]", i);
}
IExpressionDMContext[] arrayChild2 = getChildren(arrayDoubleLargeChildExprDMC3, expectedValues);
// No more children for array_double_large[101][*]
for (IExpressionDMContext ctx : arrayChild2)
getChildren(ctx, new String[0]);
// get some parts of the children array
getChildren(arrayDoubleLargeChildExprDMC3, 3, 2, new String[] { "array_double_large[101][3]", "array_double_large[101][4]" });
getChildren(arrayDoubleLargeChildExprDMC3, 98, 3, new String[] { "array_double_large[101][98]","array_double_large[101][99]" });
}
/**
* This test verifies that "small" double arrays is not affected by partitions.
*/
@Test
public void testSmallDoubleArray() throws Throwable {
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("testArrays");
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// int array_double_small[11][21];
IExpressionDMContext arrayDoubleSmallExprDMC = SyncUtil.createExpression(frameDmc, "array_double_small");
assertChildrenCount(arrayDoubleSmallExprDMC, 11);
// get all children of array_double_small
String[] expectedValues = new String[11];
for (int i = 0; i < expectedValues.length; ++i) {
expectedValues[i] = String.format("array_double_small[%d]", i);
}
IExpressionDMContext[] arrayDoubleSmallChildren = getChildren(arrayDoubleSmallExprDMC, expectedValues);
// get all children of array_double_small[3]
IExpressionDMContext arrayDoubleSmallChildExprDMC = arrayDoubleSmallChildren[3];
assertChildrenCount(arrayDoubleSmallChildExprDMC, 21);
expectedValues = new String[21];
for (int i = 0; i < expectedValues.length; ++i) {
expectedValues[i] = arrayDoubleSmallChildExprDMC.getExpression() + "[" + i +"]";
}
IExpressionDMContext[] arrayDoubleSmallGrandChildren = getChildren(arrayDoubleSmallChildExprDMC, expectedValues);
// No more children for array_double_small[3][*]
for (IExpressionDMContext ctx : arrayDoubleSmallGrandChildren)
getChildren(ctx, new String[0]);
// get some parts of the children array
getChildren(arrayDoubleSmallChildExprDMC, 3, 2, new String[] { "array_double_small[3][3]", "array_double_small[3][4]" });
getChildren(arrayDoubleSmallChildExprDMC, 19, 3, new String[] { "array_double_small[3][19]","array_double_small[3][20]" });
}
/**
* This test verifies that there is no RTTI support before GDB 7.5.
*/
@Test
public void testRTTI() throws Throwable {
assumeGdbVersionNot(ITestConstants.SUFFIX_GDB_6_7); // crashing
assumeGdbVersionLowerThen(ITestConstants.SUFFIX_GDB_7_5);
SyncUtil.runToLocation("testRTTI");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// The expression we will follow as it changes types: derived.ptr
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "derived.ptr");
// Now, the expression should be type VirtualBase
getExpressionType(exprDmc, "VirtualBase *");
assertChildrenCount(exprDmc, 2);
// get all children
String[] expectedValues = new String[2];
expectedValues[0] = "a";
expectedValues[1] = "b";
getChildren(exprDmc, expectedValues);
// Make the type of our expression change
SyncUtil.step(1, StepType.STEP_OVER);
// Now, the expression should be type Derived, but GDB < 7.5 does not tell us
// so we should still get the base type.
getExpressionType(exprDmc, "VirtualBase *");
assertChildrenCount(exprDmc, 2);
// The children are also the same as before
getChildren(exprDmc, expectedValues);
// Make the type of our expression change
SyncUtil.step(1, StepType.STEP_OVER);
// Now, the expression should be type OtherDerived, but GDB < 7.5 does not tell us
// so we should still get the base type.
getExpressionType(exprDmc, "VirtualBase *");
assertChildrenCount(exprDmc, 2);
// The children are also the same as before
getChildren(exprDmc, expectedValues);
}
/**
* This test verifies that we can cast to a type and then revert.
*/
@Test
public void testCastToType() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "int_ptr");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char*"));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int *");
getExpressionType(castExprDmc, "char *");
assertChildrenCount(castExprDmc, 1);
// get child and its value
final IExpressionDMContext[] children = getChildren(exprDmc, new String[] {"*int_ptr"});
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(children[0], IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals("65", value);
final IExpressionDMContext[] castChildren = getChildren(castExprDmc, new String[] {"*((char*)(int_ptr))"});
query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(castChildren[0], IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals("65 'A'", value);
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can display as array and then revert.
*/
@Test
public void testDisplayAsArray() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "int_ptr");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
// Display as an array of 2 elements, starting at index 1
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo(1,2));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int *");
getExpressionType(castExprDmc, "int [2]");
assertChildrenCount(castExprDmc, 2);
// get children and their values
final IExpressionDMContext[] children = getChildren(castExprDmc, new String[] {"int_ptr[1]", "int_ptr[2]"});
String[] expectedValues = new String[] {"1094861636", "1162233672"};
for (int i = 0; i<children.length;i++) {
final IExpressionDMContext child = children[i];
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can display as array and cast to a type together
* and then revert.
*/
@Test
public void testDisplayAsArrayAndCastToType() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "int_ptr");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
// We create the casted type and the displaying as an array in a single request. This is because
// that is the way the UI does it. Furthermore, the service handles the cast first, then the
// array, which is why our array of 2 ints becomes 8 chars, and then we only look at 4 of them
// starting at index 4.
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char*", 4,4));
getExpressionType(castExprDmc, "char [4]");
assertChildrenCount(castExprDmc, 4);
// get children and their values
// The array index starts at 0 again because the cast to char[] creates a new array
final IExpressionDMContext[] children =
getChildren(castExprDmc, new String[] {"int_ptr[4]", "int_ptr[5]", "int_ptr[6]", "int_ptr[7]"});
String[] expectedValues = new String[] { "68 'D'", "67 'C'", "66 'B'", "65 'A'"};
for (int i = 0; i<children.length;i++) {
final IExpressionDMContext child = children[i];
getExpressionType(child, "char");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can cast an array to a different type and then revert.
*/
@Test
public void testCastToTypeOfArray() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "array_small");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char[]"));
getExpressionType(exprDmc, "int [4]");
getExpressionType(castExprDmc, "char [16]");
assertChildrenCount(castExprDmc, 16);
// get children and their values
// The array index starts at 0 again because the cast to char[] creates a new array
final IExpressionDMContext[] children =
getChildren(castExprDmc, new String[] {"array_small[0]", "array_small[1]", "array_small[2]", "array_small[3]",
"array_small[4]", "array_small[5]", "array_small[6]", "array_small[7]",
"array_small[8]", "array_small[9]", "array_small[10]", "array_small[11]",
"array_small[12]", "array_small[13]", "array_small[14]", "array_small[15]"});
// Only check elements 4 through 7 for simplicity
String[] expectedValues = new String[] { "68 'D'", "67 'C'", "66 'B'", "65 'A'"};
for (int i = 4; i<8;i++) {
final IExpressionDMContext child = children[i];
getExpressionType(child, "char");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i-4], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can cast to a type and then revert
* when dealing with an array with partitions.
*/
@Test
public void testCastToTypeWithPartition() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "array_large");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char[]"));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int [111]");
getExpressionType(castExprDmc, "char [444]");
// get the 5 partition children
assertChildrenCount(castExprDmc, 5);
IExpressionDMContext[] children = getChildren(castExprDmc, new String[] {"*((((char[])(array_large)))+0)@100", "*((((char[])(array_large)))+100)@100",
"*((((char[])(array_large)))+200)@100", "*((((char[])(array_large)))+300)@100",
"*((((char[])(array_large)))+400)@44" });
// Now make sure the children of the partitions have the proper casting
final String[] expectedChildren = new String[100];
for (int i=0; i < expectedChildren.length; i++) {
expectedChildren[i] = String.format("array_large[%d]", i);
}
IExpressionDMContext[] castedChildren = getChildren(children[0], expectedChildren);
assertEquals(100, castedChildren.length);
// Check the type and value of a few of the first children
final String[] expectedValues = new String[] { "65 'A'", "0 '\\0'", "0 '\\0'", "0 '\\0'", "68 'D'", "67 'C'", "66 'B'", "65 'A'" };
for (int i = 0; i < expectedValues.length; i++) {
final IExpressionDMContext child = castedChildren[i];
getExpressionType(child, "char");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can display as array and then revert
* when dealing with an array with partitions.
*/
@Test
public void testDisplayAsArrayWithPartition() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// The expression we will cast from int to char
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "array_large");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
// Display as an array of 101 elements, starting at index 1 (we need at least 101 elements to get partitions)
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo(1, 101));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int [111]");
getExpressionType(castExprDmc, "int [101]");
// Two partitions as children
assertChildrenCount(castExprDmc, 2);
IExpressionDMContext[] children = getChildren(castExprDmc, new String[] {"*(((*((array_large)+1)@101))+0)@100", "*(((*((array_large)+1)@101))+100)@1" });
assertTrue("Should have seen the child as a partition", children[0] instanceof IIndexedPartitionDMContext);
assertEquals("Wrong start index for partition", 0, ((IIndexedPartitionDMContext)children[0]).getIndex());
assertEquals("Wrong partition length", 100, ((IIndexedPartitionDMContext)children[0]).getLength());
assertTrue("Should have seen the child as a partition", children[1] instanceof IIndexedPartitionDMContext);
assertEquals("Wrong start index for partition", 100, ((IIndexedPartitionDMContext)children[1]).getIndex());
assertEquals("Wrong partition length", 1, ((IIndexedPartitionDMContext)children[1]).getLength());
// Now make sure the children of the partitions have the proper casting and start at the proper index
final String[] expectedChildren = new String[100];
for (int i=0; i < expectedChildren.length; i++) {
expectedChildren[i] = String.format("array_large[%d]", i+1);
}
IExpressionDMContext[] castedChildren = getChildren(children[0], expectedChildren);
assertEquals(100, castedChildren.length);
// Check the type and value of a few of the first children
final String[] expectedValues = new String[] { "1094861636", "1162233672" };
for (int i = 0; i < expectedValues.length; i++) {
final IExpressionDMContext child = castedChildren[i];
getExpressionType(child, "int");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can display as array and cast to a type together
* and then revert when dealing with an array with partitions.
*/
@Test
public void testDisplayAsArrayAndCastToTypeWithPartition() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "array_large");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char[]", 4, 101));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int [111]");
getExpressionType(castExprDmc, "char [101]");
// get the 5 partition children
assertChildrenCount(castExprDmc, 2);
IExpressionDMContext[] children = getChildren(castExprDmc, new String[] {"*(((*(((char[])(array_large))+4)@101))+0)@100", "*(((*(((char[])(array_large))+4)@101))+100)@1"});
assertTrue("Should have seen the child as a partition", children[0] instanceof IIndexedPartitionDMContext);
assertEquals("Wrong start index for partition", 0, ((IIndexedPartitionDMContext)children[0]).getIndex());
assertEquals("Wrong partition length", 100, ((IIndexedPartitionDMContext)children[0]).getLength());
assertTrue("Should have seen the child as a partition", children[1] instanceof IIndexedPartitionDMContext);
assertEquals("Wrong start index for partition", 100, ((IIndexedPartitionDMContext)children[1]).getIndex());
assertEquals("Wrong partition length", 1, ((IIndexedPartitionDMContext)children[1]).getLength());
// Now make sure the children of the partitions have the proper casting
final String[] expectedChildren = new String[100];
for (int i=0; i < expectedChildren.length; i++) {
expectedChildren[i] = String.format("array_large[%d]", i+4);
}
IExpressionDMContext[] castedChildren = getChildren(children[0], expectedChildren);
assertEquals(100, castedChildren.length);
// Check the type and value of a few of the first children
final String[] expectedValues = new String[] { "68 'D'", "67 'C'", "66 'B'", "65 'A'" };
for (int i = 0; i < expectedValues.length; i++) {
final IExpressionDMContext child = castedChildren[i];
getExpressionType(child, "char");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we display the simple return value of a method after
* a step-return operation, but only for the first stack frame.
*/
@Test
public void testDisplaySimpleReturnValueForStepReturn() throws Throwable {
SyncUtil.runToLocation("testSimpleReturn");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_RETURN);
// Check the return value is shown when looking at the first frame
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IVariableDMData[] result = SyncUtil.getLocals(frameDmc);
assertEquals(3, result.length); // Two variables and one return value
// Return value
assertEquals("$2", result[0].getName());
assertEquals("6", result[0].getValue());
// first variable
assertEquals("a", result[1].getName());
assertEquals("10", result[1].getValue());
// Second variable
assertEquals("b", result[2].getName());
assertEquals("false", result[2].getValue());
// Now check how the return value will be displayed to the user
final IExpressionDMContext returnExprDmc = SyncUtil.createExpression(frameDmc, "$2");
Query<IExpressionDMData> query = new Query<IExpressionDMData>() {
@Override
protected void execute(final DataRequestMonitor<IExpressionDMData> rm) {
fExpService.getExpressionData(returnExprDmc, rm);
}
};
fSession.getExecutor().execute(query);
IExpressionDMData data = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals("testSimpleReturn() returned", data.getName());
// Now check the actual value using the expression service
String value = SyncUtil.getExpressionValue(returnExprDmc, IFormattedValues.DECIMAL_FORMAT);
assertEquals("6", value);
// Now make sure we don't show the return value for another frame
final IFrameDMContext frameDmc2 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 1);
result = SyncUtil.getLocals(frameDmc2);
// only one variable
assertEquals(1, result.length);
assertEquals("b", result[0].getName());
}
/**
* This test verifies that we display the complex return value of a method after
* a step-return operation, but only for the first stack frame.
*/
@Test
public void testDisplayComplexReturnValueForStepReturn() throws Throwable {
SyncUtil.runToLocation("testComplexReturn");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_RETURN);
// Check the return value is show when looking at the first frame
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IVariableDMData[] result = SyncUtil.getLocals(frameDmc);
assertEquals(3, result.length); // Two variables and one return value
// Return value
assertEquals("$2", result[0].getName());
// first variable
assertEquals("a", result[1].getName());
assertEquals("10", result[1].getValue());
// Second variable
assertEquals("b", result[2].getName());
assertEquals("false", result[2].getValue());
// Now check how the return value will be displayed to the user
final IExpressionDMContext returnExprDmc = SyncUtil.createExpression(frameDmc, "$2");
Query<IExpressionDMData> query = new Query<IExpressionDMData>() {
@Override
protected void execute(final DataRequestMonitor<IExpressionDMData> rm) {
fExpService.getExpressionData(returnExprDmc, rm);
}
};
fSession.getExecutor().execute(query);
IExpressionDMData data = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals("testComplexReturn() returned", data.getName());
// Now check the content of the complex return expression
doTestChildren(returnExprDmc);
// Now make sure we don't show the return value for another frame
IFrameDMContext frameDmc2 = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 1);
result = SyncUtil.getLocals(frameDmc2);
// only one variable
assertEquals(1, result.length);
assertEquals("b", result[0].getName());
}
/**
* This test verifies that we properly display variables after a step-return operation
* from a method returning void.
*/
@Test
public void testNoReturnValueForEmptyStepReturn() throws Throwable {
SyncUtil.runToLocation("noReturnValue");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_RETURN);
// Check no return value is shown when looking at the first frame
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IVariableDMData[] result = SyncUtil.getLocals(frameDmc);
assertEquals(2, result.length); // Two variables and one return value
// first variable
assertEquals("a", result[0].getName());
assertEquals("10", result[0].getValue());
// Second variable
assertEquals("b", result[1].getName());
assertEquals("false", result[1].getValue());
}
/**
* This tests verifies that we can obtain a child even though
* is was already created directly.
*/
@Test
public void testExistingChild() throws Throwable {
SyncUtil.runToLocation("testExistingChild");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final String PARENT_EXPR = "b";
final String CHILD_EXPR = "((b).d)";
final String CHILD__REL_EXPR = "d";
// Fetch the child directly
final IExpressionDMContext childDmc = SyncUtil.createExpression(frameDmc, CHILD_EXPR);
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(childDmc, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleSuccess() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals("8", value);
// Now fetch the child through its parent
final IExpressionDMContext parentDmc = SyncUtil.createExpression(frameDmc, PARENT_EXPR);
query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getSubExpressions(
parentDmc,
new ImmediateDataRequestMonitor<IExpressionDMContext[]>(rm) {
@Override
protected void handleSuccess() {
if (getData().length != 2) {
rm.done(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Wrong number for children. Expecting 2 but got " + getData().length, null));
return;
}
MIExpressionDMC firstChildContext = (MIExpressionDMC)getData()[0];
if (firstChildContext.getExpression().equals(CHILD_EXPR) == false) {
rm.done(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Got wrong first child. Expected " + CHILD_EXPR + " but got " + firstChildContext.getExpression(), null));
return;
}
if (firstChildContext.getRelativeExpression().equals(CHILD__REL_EXPR) == false) {
rm.done(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Got wrong relative expression. Expected " + CHILD__REL_EXPR + " but got " + firstChildContext.getRelativeExpression(), null));
return;
}
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(firstChildContext, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleSuccess() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals("8", value);
}
/**
* This tests verifies that we can manually create a child of an expression
* after that child was automatically created through the parent.
* This case happens when selecting a child of an expression and using "Watch"
* to create an expression automatically.
*/
@Test
public void testExplicitChildCreation() throws Throwable {
SyncUtil.runToLocation("testExistingChild");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final String PARENT_EXPR = "b";
final String CHILD_EXPR = "((b).d)";
final String CHILD__REL_EXPR = "d";
// First fetch the child through its parent
final IExpressionDMContext parentDmc = SyncUtil.createExpression(frameDmc, PARENT_EXPR);
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getSubExpressions(
parentDmc,
new ImmediateDataRequestMonitor<IExpressionDMContext[]>(rm) {
@Override
protected void handleSuccess() {
if (getData().length != 2) {
rm.done(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Wrong number for children. Expecting 2 but got " + getData().length, null));
return;
}
MIExpressionDMC firstChildContext = (MIExpressionDMC)getData()[0];
if (firstChildContext.getExpression().equals(CHILD_EXPR) == false) {
rm.done(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Got wrong first child. Expected " + CHILD_EXPR + " but got " + firstChildContext.getExpression(), null));
return;
}
if (firstChildContext.getRelativeExpression().equals(CHILD__REL_EXPR) == false) {
rm.done(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Got wrong relative expression. Expected " + CHILD__REL_EXPR + " but got " + firstChildContext.getRelativeExpression(), null));
return;
}
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(firstChildContext, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleSuccess() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals("8", value);
// Now access the child directly
final IExpressionDMContext childDmc = SyncUtil.createExpression(frameDmc, CHILD_EXPR);
query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(childDmc, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleSuccess() {
rm.done(getData().getFormattedValue());
}
});
}
};
fSession.getExecutor().execute(query);
value = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals("8", value);
}
protected void assertChildrenCount(final IExpressionDMContext parentDmc,
final int expectedCount) throws Throwable {
Query<Integer> query = new Query<Integer>() {
@Override
protected void execute(DataRequestMonitor<Integer> rm) {
fExpService.getSubExpressionCount(parentDmc, rm);
}
};
fExpService.getExecutor().submit(query);
int count = query.get().intValue();
assertThat(count, is(expectedCount));
}
protected String getExpressionType(final IExpressionDMContext exprDmc, final String expectedType) throws Throwable {
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getExpressionData(
exprDmc,
new ImmediateDataRequestMonitor<IExpressionDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getTypeName());
}
});
}
};
fSession.getExecutor().execute(query);
String type = query.get(TestsPlugin.massageTimeout(500), TimeUnit.MILLISECONDS);
assertEquals(expectedType, type);
return type;
}
// Slight change in GDB output to fix a bug, so we must change the test a
// little
// Bug 320277
@Test
public void testDeleteChildren_7_3() throws Throwable {
assumeGdbVersionAtLeast(ITestConstants.SUFFIX_GDB_7_3);
SyncUtil.runToLocation("testDeleteChildren");
MIStoppedEvent stoppedEvent = SyncUtil.step(1, StepType.STEP_OVER);
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// First create the var object and all its children
IExpressionDMContext parentDmc = fExpService.createExpression(frameDmc, "f");
fExpService.getSubExpressions(parentDmc,
new DataRequestMonitor<IExpressionDMContext[]>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().length != 5) {
wait.waitFinished(new Status(IStatus.ERROR, TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 5 got " + getData().length, null));
} else {
String childStr = "((class bar) f)";
if (!getData()[0].getExpression().equals(childStr)) {
wait.waitFinished(new Status(
IStatus.ERROR, TestsPlugin.PLUGIN_ID, "Got child "
+ getData()[0].getExpression() + " instead of " + childStr,
null));
} else {
// Now list the children of the
// first element
fExpService.getSubExpressions(getData()[0],
new DataRequestMonitor<IExpressionDMContext[]>(
fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
if (getData().length != 2) {
wait.waitFinished(new Status(IStatus.ERROR,
TestsPlugin.PLUGIN_ID,
"Failed getting children; expecting 2 got "
+ getData().length,
null));
} else {
String childStr = "((((class bar) f)).d)";
if (!getData()[0].getExpression()
.equals(childStr)) {
wait.waitFinished(new Status(IStatus.ERROR,
TestsPlugin.PLUGIN_ID,
"Got child "
+ getData()[0].getExpression()
+ " instead of " + childStr,
null));
} else {
wait.setReturnInfo(getData()[0]);
wait.waitFinished();
}
}
}
}
});
}
}
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
final IExpressionDMContext deletedChildDmc = (IExpressionDMContext) wait.getReturnInfo();
wait.waitReset();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// Now create more than 1000 expressions to trigger the deletion
// of the children
// that were created above
for (int i = 0; i < 1100; i++) {
IExpressionDMContext dmc = fExpService.createExpression(frameDmc, "a[" + i + "]");
wait.increment();
fExpService.getExpressionData(dmc,
new DataRequestMonitor<IExpressionDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
wait.waitFinished();
}
}
});
}
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
// Evaluate the expression of a child that we know is deleted to
// make sure
// the expression service can handle that
fExpService.getExpressionData(deletedChildDmc,
new DataRequestMonitor<IExpressionDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
if (!isSuccess()) {
wait.waitFinished(getStatus());
} else {
wait.waitFinished();
}
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
wait.waitReset();
}
/**
* This test verifies that there is proper RTTI support starting with GDB
* 7.5.
*/
@Test
public void testRTTI_7_5() throws Throwable {
assumeGdbVersionAtLeast(ITestConstants.SUFFIX_GDB_7_5);
SyncUtil.runToLocation("testRTTI");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// The expression we will follow as it changes types: derived.ptr
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "derived.ptr");
// Now, the expression should be type VirtualBase
getExpressionType(exprDmc, "VirtualBase *");
assertChildrenCount(exprDmc, 2);
// get all children
String[] expectedValues = new String[2];
expectedValues[0] = "a";
expectedValues[1] = "b";
getChildren(exprDmc, expectedValues);
// Make the type of our expression change
SyncUtil.step(1, StepType.STEP_OVER);
// Now, the expression should be type Derived
getExpressionType(exprDmc, "Derived *");
assertChildrenCount(exprDmc, 5);
// get all children
expectedValues = new String[5];
expectedValues[0] = "VirtualBase";
expectedValues[1] = "c";
expectedValues[2] = "ptr";
expectedValues[3] = "d";
expectedValues[4] = "e";
getChildren(exprDmc, expectedValues);
// Make the type of our expression change
SyncUtil.step(1, StepType.STEP_OVER);
// Now, the expression should be type OtherDerived
getExpressionType(exprDmc, "OtherDerived *");
assertChildrenCount(exprDmc, 4);
// get all children
expectedValues = new String[4];
expectedValues[0] = "VirtualBase";
expectedValues[1] = "d";
expectedValues[2] = "c";
expectedValues[3] = "f";
getChildren(exprDmc, expectedValues);
}
}