/* * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * @test * @bug 4419453 * @summary Test that Method.location() returns the right values * * @author Robert Field * * @run build TestScaffold VMConnection TargetListener TargetAdapter * @run compile -g LocationTest.java * @run main LocationTest */ import com.sun.jdi.*; import com.sun.jdi.event.*; import com.sun.jdi.request.*; import java.util.*; /********** target program **********/ abstract class AbstractLocationTarg { abstract void foo(); } class LocationTarg extends AbstractLocationTarg { public static void main(String[] args){ System.out.println("Howdy!"); // don't change the following 3 lines } void foo() { System.out.println("Never here!"); // must be 3 lines after "Howdy!" } } /********** test program **********/ public class LocationTest extends TestScaffold { ReferenceType targetClass; ThreadReference mainThread; LocationTest (String args[]) { super(args); } public static void main(String[] args) throws Exception { new LocationTest(args).startTests(); } /********** test assist **********/ Location getLocation(String refName, String methodName) { List refs = vm().classesByName(refName); if (refs.size() != 1) { failure("Test failure: " + refs.size() + " ReferenceTypes named: " + refName); return null; } ReferenceType refType = (ReferenceType)refs.get(0); List meths = refType.methodsByName(methodName); if (meths.size() != 1) { failure("Test failure: " + meths.size() + " methods named: " + methodName); return null; } Method meth = (Method)meths.get(0); return meth.location(); } /********** test core **********/ protected void runTests() throws Exception { Location loc; /* * Get to the top of main() to get everything loaded */ startToMain("LocationTarg"); /* * Test the values of location() */ loc = getLocation("AbstractLocationTarg", "foo"); if (loc != null) { failure("location of AbstractLocationTarg.foo() should have " + "been null, but was: " + loc); } loc = getLocation("java.util.List", "clear"); if (loc != null) { failure("location of java.util.List.clear() " + "should have been null, but was: " + loc); } loc = getLocation("java.lang.Object", "getClass"); if (loc == null) { failure("location of Object.getClass() " + "should have been non-null, but was: " + loc); } else { if (!loc.declaringType().name().equals("java.lang.Object")) { failure("location.declaringType() of Object.getClass() " + "should have been java.lang.Object, but was: " + loc.declaringType()); } if (!loc.method().name().equals("getClass")) { failure("location.method() of Object.getClass() " + "should have been getClass, but was: " + loc.method()); } if (loc.codeIndex() != -1) { failure("location.codeIndex() of Object.getClass() " + "should have been -1, but was: " + loc.codeIndex()); } if (loc.lineNumber() != -1) { failure("location.lineNumber() of Object.getClass() " + "should have been -1, but was: " + loc.lineNumber()); } } Location mainLoc = getLocation("LocationTarg", "main"); loc = getLocation("LocationTarg", "foo"); if (loc == null) { failure("location of LocationTarg.foo() " + "should have been non-null, but was: " + loc); } else { if (!loc.declaringType().name().equals("LocationTarg")) { failure("location.declaringType() of LocationTarg.foo() " + "should have been LocationTarg, but was: " + loc.declaringType()); } if (!loc.method().name().equals("foo")) { failure("location.method() of LocationTarg.foo() " + "should have been foo, but was: " + loc.method()); } if (loc.codeIndex() != 0) { // implementation dependent!!! failure("location.codeIndex() of LocationTarg.foo() " + "should have been 0, but was: " + loc.codeIndex()); } if (loc.lineNumber() != (mainLoc.lineNumber() + 3)) { failure("location.lineNumber() of LocationTarg.foo() " + "should have been " + (mainLoc.lineNumber() + 3) + ", but was: " + loc.lineNumber()); } } /* * resume until the end */ listenUntilVMDisconnect(); /* * deal with results of test * if anything has called failure("foo") testFailed will be true */ if (!testFailed) { println("LocationTest: passed"); } else { throw new Exception("LocationTest: failed"); } } }