/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.harmony.logging.tests.java.util.logging;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CodingErrorAction;
import java.security.Permission;
import java.util.Arrays;
import java.util.Properties;
import java.util.logging.Filter;
import java.util.logging.Formatter;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogManager;
import java.util.logging.LogRecord;
import java.util.logging.LoggingPermission;
import java.util.logging.SimpleFormatter;
import java.util.logging.StreamHandler;
import junit.framework.TestCase;
import org.apache.harmony.logging.tests.java.util.logging.HandlerTest.NullOutputStream;
import org.apache.harmony.logging.tests.java.util.logging.util.EnvironmentHelper;
import tests.util.CallVerificationStack;
/**
* Test the class StreamHandler.
*/
public class StreamHandlerTest extends TestCase {
private final static String INVALID_LEVEL = "impossible_level";
private final PrintStream err = System.err;
private OutputStream errSubstituteStream = null;
private static String className = StreamHandlerTest.class.getName();
private static CharsetEncoder encoder;
static {
encoder = Charset.forName("iso-8859-1").newEncoder();
encoder.onMalformedInput(CodingErrorAction.REPLACE);
encoder.onUnmappableCharacter(CodingErrorAction.REPLACE);
}
/*
* @see TestCase#setUp()
*/
protected void setUp() throws Exception {
super.setUp();
errSubstituteStream = new NullOutputStream();
System.setErr(new PrintStream(errSubstituteStream));
}
/*
* @see TestCase#tearDown()
*/
protected void tearDown() throws Exception {
LogManager.getLogManager().reset();
CallVerificationStack.getInstance().clear();
System.setErr(err);
super.tearDown();
}
/*
* Test the constructor with no parameter, and no relevant log manager
* properties are set.
*/
public void testConstructor_NoParameter_NoProperties() {
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.filter"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.formatter"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
StreamHandler h = new StreamHandler();
assertSame(Level.INFO, h.getLevel());
assertTrue(h.getFormatter() instanceof SimpleFormatter);
assertNull(h.getFilter());
assertNull(h.getEncoding());
}
/*
* Test the constructor with insufficient privilege.
*
public void testConstructor_NoParameter_InsufficientPrivilege() {
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.filter"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.formatter"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
SecurityManager oldMan = System.getSecurityManager();
System.setSecurityManager(new MockSecurityManager());
// set a normal value
try {
StreamHandler h = new StreamHandler();
assertSame(Level.INFO, h.getLevel());
assertTrue(h.getFormatter() instanceof SimpleFormatter);
assertNull(h.getFilter());
assertNull(h.getEncoding());
} finally {
System.setSecurityManager(oldMan);
}
}
/*
* Test the constructor with no parameter, and valid relevant log manager
* properties are set.
*/
public void testConstructor_NoParameter_ValidProperties() throws Exception {
Properties p = new Properties();
p.put("java.util.logging.StreamHandler.level", "FINE");
p.put("java.util.logging.StreamHandler.filter", className
+ "$MockFilter");
p.put("java.util.logging.StreamHandler.formatter", className
+ "$MockFormatter");
p.put("java.util.logging.StreamHandler.encoding", "iso-8859-1");
LogManager.getLogManager().readConfiguration(
EnvironmentHelper.PropertiesToInputStream(p));
assertEquals("FINE", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertEquals("iso-8859-1", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
StreamHandler h = new StreamHandler();
assertSame(h.getLevel(), Level.parse("FINE"));
assertTrue(h.getFormatter() instanceof MockFormatter);
assertTrue(h.getFilter() instanceof MockFilter);
assertEquals("iso-8859-1", h.getEncoding());
}
/*
* Test the constructor with no parameter, and invalid relevant log manager
* properties are set.
*/
public void testConstructor_NoParameter_InvalidProperties()
throws Exception {
Properties p = new Properties();
p.put("java.util.logging.StreamHandler.level", INVALID_LEVEL);
p.put("java.util.logging.StreamHandler.filter", className + "");
p.put("java.util.logging.StreamHandler.formatter", className + "");
p.put("java.util.logging.StreamHandler.encoding", "XXXX");
LogManager.getLogManager().readConfiguration(
EnvironmentHelper.PropertiesToInputStream(p));
assertEquals(INVALID_LEVEL, LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertEquals("XXXX", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
StreamHandler h = new StreamHandler();
assertSame(Level.INFO, h.getLevel());
assertTrue(h.getFormatter() instanceof SimpleFormatter);
assertNull(h.getFilter());
assertNull(h.getEncoding());
h.publish(new LogRecord(Level.SEVERE, "test"));
assertTrue(CallVerificationStack.getInstance().empty());
assertNull(h.getEncoding());
}
/*
* Test the constructor with normal parameter values, and no relevant log
* manager properties are set.
*/
public void testConstructor_HasParameters_NoProperties() {
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.filter"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.formatter"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
StreamHandler h = new StreamHandler(new ByteArrayOutputStream(),
new MockFormatter2());
assertSame(Level.INFO, h.getLevel());
assertTrue(h.getFormatter() instanceof MockFormatter2);
assertNull(h.getFilter());
assertNull(h.getEncoding());
}
/*
* Test the constructor with insufficient privilege.
*
public void testConstructor_HasParameter_InsufficientPrivilege() {
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.filter"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.formatter"));
assertNull(LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
SecurityManager oldMan = System.getSecurityManager();
System.setSecurityManager(new MockSecurityManager());
// set a normal value
try {
StreamHandler h = new StreamHandler(new ByteArrayOutputStream(),
new MockFormatter2());
assertSame(Level.INFO, h.getLevel());
assertTrue(h.getFormatter() instanceof MockFormatter2);
assertNull(h.getFilter());
assertNull(h.getEncoding());
} finally {
System.setSecurityManager(oldMan);
}
}
/*
* Test the constructor with normal parameter values, and valid relevant log
* manager properties are set.
*/
public void testConstructor_HasParameters_ValidProperties()
throws Exception {
Properties p = new Properties();
p.put("java.util.logging.StreamHandler.level", "FINE");
p.put("java.util.logging.StreamHandler.filter", className
+ "$MockFilter");
p.put("java.util.logging.StreamHandler.formatter", className
+ "$MockFormatter");
p.put("java.util.logging.StreamHandler.encoding", "iso-8859-1");
LogManager.getLogManager().readConfiguration(
EnvironmentHelper.PropertiesToInputStream(p));
assertEquals("FINE", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertEquals("iso-8859-1", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
StreamHandler h = new StreamHandler(new ByteArrayOutputStream(),
new MockFormatter2());
assertSame(h.getLevel(), Level.parse("FINE"));
assertTrue(h.getFormatter() instanceof MockFormatter2);
assertTrue(h.getFilter() instanceof MockFilter);
assertEquals("iso-8859-1", h.getEncoding());
}
/*
* Test the constructor with normal parameter, and invalid relevant log
* manager properties are set.
*/
public void testConstructor_HasParameters_InvalidProperties()
throws Exception {
Properties p = new Properties();
p.put("java.util.logging.StreamHandler.level", INVALID_LEVEL);
p.put("java.util.logging.StreamHandler.filter", className + "");
p.put("java.util.logging.StreamHandler.formatter", className + "");
p.put("java.util.logging.StreamHandler.encoding", "XXXX");
LogManager.getLogManager().readConfiguration(
EnvironmentHelper.PropertiesToInputStream(p));
assertEquals(INVALID_LEVEL, LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertEquals("XXXX", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
StreamHandler h = new StreamHandler(new ByteArrayOutputStream(),
new MockFormatter2());
assertSame(Level.INFO, h.getLevel());
assertTrue(h.getFormatter() instanceof MockFormatter2);
assertNull(h.getFilter());
assertNull(h.getEncoding());
}
/*
* Test the constructor with null formatter, and invalid relevant log manager
* properties are set.
*/
public void testConstructor_HasParameters_ValidPropertiesNullStream()
throws Exception {
Properties p = new Properties();
p.put("java.util.logging.StreamHandler.level", "FINE");
p.put("java.util.logging.StreamHandler.filter", className
+ "$MockFilter");
p.put("java.util.logging.StreamHandler.formatter", className
+ "$MockFormatter");
p.put("java.util.logging.StreamHandler.encoding", "iso-8859-1");
LogManager.getLogManager().readConfiguration(
EnvironmentHelper.PropertiesToInputStream(p));
assertEquals("FINE", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertEquals("iso-8859-1", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
try {
new StreamHandler(new ByteArrayOutputStream(), null);
fail("Should throw NullPointerException!");
} catch (NullPointerException e) {
// expected
}
}
/*
* Test the constructor with null output stream, and invalid relevant log
* manager properties are set.
*/
public void testConstructor_HasParameters_ValidPropertiesNullFormatter()
throws Exception {
Properties p = new Properties();
p.put("java.util.logging.StreamHandler.level", "FINE");
p.put("java.util.logging.StreamHandler.filter", className
+ "$MockFilter");
p.put("java.util.logging.StreamHandler.formatter", className
+ "$MockFormatter");
p.put("java.util.logging.StreamHandler.encoding", "iso-8859-1");
LogManager.getLogManager().readConfiguration(
EnvironmentHelper.PropertiesToInputStream(p));
assertEquals("FINE", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.level"));
assertEquals("iso-8859-1", LogManager.getLogManager().getProperty(
"java.util.logging.StreamHandler.encoding"));
try {
new StreamHandler(null, new MockFormatter2());
fail("Should throw NullPointerException!");
} catch (NullPointerException e) {
// expected
}
}
/*
* Test close() when having sufficient privilege, and a record has been
* written to the output stream.
*/
public void testClose_SufficientPrivilege_NormalClose() {
ByteArrayOutputStream aos = new MockOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
h.publish(new LogRecord(Level.SEVERE,
"testClose_SufficientPrivilege_NormalClose msg"));
h.close();
assertEquals("close", CallVerificationStack.getInstance()
.getCurrentSourceMethod());
assertNull(CallVerificationStack.getInstance().pop());
assertEquals("flush", CallVerificationStack.getInstance()
.getCurrentSourceMethod());
CallVerificationStack.getInstance().clear();
assertTrue(aos.toString().endsWith("MockFormatter_Tail"));
h.close();
}
/*
* Test close() when having sufficient privilege, and an output stream that
* always throws exceptions.
*/
public void testClose_SufficientPrivilege_Exception() {
ByteArrayOutputStream aos = new MockExceptionOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
h.publish(new LogRecord(Level.SEVERE,
"testClose_SufficientPrivilege_Exception msg"));
h.flush();
h.close();
}
/*
* Test close() when having sufficient privilege, and no record has been
* written to the output stream.
*/
public void testClose_SufficientPrivilege_DirectClose() {
ByteArrayOutputStream aos = new MockOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
h.close();
assertEquals("close", CallVerificationStack.getInstance()
.getCurrentSourceMethod());
assertNull(CallVerificationStack.getInstance().pop());
assertEquals("flush", CallVerificationStack.getInstance()
.getCurrentSourceMethod());
CallVerificationStack.getInstance().clear();
assertEquals("MockFormatter_HeadMockFormatter_Tail", aos.toString()
);
}
/*
* Test close() when having insufficient privilege.
*
public void testClose_InsufficientPrivilege() {
SecurityManager oldMan = System.getSecurityManager();
System.setSecurityManager(new MockSecurityManager());
try {
StreamHandler h = new StreamHandler(new ByteArrayOutputStream(),
new MockFormatter());
h.close();
fail("Should throw SecurityException!");
} catch (SecurityException e) {
// expected
} finally {
System.setSecurityManager(oldMan);
}
}
/*
* Test close() when having no output stream.
*/
public void testClose_NoOutputStream() {
StreamHandler h = new StreamHandler();
h.close();
}
/*
* Test flush().
*/
public void testFlush_Normal() {
ByteArrayOutputStream aos = new MockOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
h.flush();
assertEquals("flush", CallVerificationStack.getInstance()
.getCurrentSourceMethod());
assertNull(CallVerificationStack.getInstance().pop());
CallVerificationStack.getInstance().clear();
}
/*
* Test flush() when having no output stream.
*/
public void testFlush_NoOutputStream() {
StreamHandler h = new StreamHandler();
h.flush();
}
/*
* Test isLoggable(), use no filter, having output stream
*/
public void testIsLoggable_NoOutputStream() {
StreamHandler h = new StreamHandler();
LogRecord r = new LogRecord(Level.INFO, null);
assertFalse(h.isLoggable(r));
h.setLevel(Level.WARNING);
assertFalse(h.isLoggable(r));
h.setLevel(Level.CONFIG);
assertFalse(h.isLoggable(r));
r.setLevel(Level.OFF);
h.setLevel(Level.OFF);
assertFalse(h.isLoggable(r));
}
/*
* Test isLoggable(), use no filter, having output stream
*/
public void testIsLoggable_NoFilter() {
StreamHandler h = new StreamHandler(new ByteArrayOutputStream(),
new SimpleFormatter());
LogRecord r = new LogRecord(Level.INFO, null);
assertTrue(h.isLoggable(r));
h.setLevel(Level.WARNING);
assertFalse(h.isLoggable(r));
h.setLevel(Level.CONFIG);
assertTrue(h.isLoggable(r));
r.setLevel(Level.OFF);
h.setLevel(Level.OFF);
assertFalse(h.isLoggable(r));
}
/*
* Test isLoggable(), use a filter, having output stream
*/
public void testIsLoggable_WithFilter() {
StreamHandler h = new StreamHandler(new ByteArrayOutputStream(),
new SimpleFormatter());
LogRecord r = new LogRecord(Level.INFO, null);
h.setFilter(new MockFilter());
assertFalse(h.isLoggable(r));
assertSame(r, CallVerificationStack.getInstance().pop());
h.setLevel(Level.CONFIG);
assertFalse(h.isLoggable(r));
assertSame(r, CallVerificationStack.getInstance().pop());
h.setLevel(Level.WARNING);
assertFalse(h.isLoggable(r));
assertTrue(CallVerificationStack.getInstance().empty());
}
/*
* Test isLoggable(), null log record, having output stream. Handler should
* call ErrorManager to handle exceptional case
*/
public void testIsLoggable_Null() {
StreamHandler h = new StreamHandler(new ByteArrayOutputStream(),
new SimpleFormatter());
assertFalse(h.isLoggable(null));
}
/*
* Test isLoggable(), null log record, without output stream
*/
public void testIsLoggable_Null_NoOutputStream() {
StreamHandler h = new StreamHandler();
assertFalse(h.isLoggable(null));
}
/*
* Test publish(), use no filter, having output stream, normal log record.
*/
public void testPublish_NoOutputStream() {
StreamHandler h = new StreamHandler();
LogRecord r = new LogRecord(Level.INFO, "testPublish_NoOutputStream");
h.publish(r);
h.setLevel(Level.WARNING);
h.publish(r);
h.setLevel(Level.CONFIG);
h.publish(r);
r.setLevel(Level.OFF);
h.setLevel(Level.OFF);
h.publish(r);
}
/*
* Test publish(), use no filter, having output stream, normal log record.
*/
public void testPublish_NoFilter() {
ByteArrayOutputStream aos = new ByteArrayOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
LogRecord r = new LogRecord(Level.INFO, "testPublish_NoFilter");
h.setLevel(Level.INFO);
h.publish(r);
h.flush();
assertEquals("MockFormatter_Head" + "testPublish_NoFilter", aos
.toString());
h.setLevel(Level.WARNING);
h.publish(r);
h.flush();
assertEquals("MockFormatter_Head" + "testPublish_NoFilter", aos
.toString());
h.setLevel(Level.CONFIG);
h.publish(r);
h.flush();
assertEquals("MockFormatter_Head" + "testPublish_NoFilter"
+ "testPublish_NoFilter", aos.toString());
r.setLevel(Level.OFF);
h.setLevel(Level.OFF);
h.publish(r);
h.flush();
assertEquals("MockFormatter_Head" + "testPublish_NoFilter"
+ "testPublish_NoFilter", aos.toString());
}
/*
* Test publish(), use a filter, having output stream, normal log record.
*/
public void testPublish_WithFilter() {
ByteArrayOutputStream aos = new ByteArrayOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
h.setFilter(new MockFilter());
LogRecord r = new LogRecord(Level.INFO, "testPublish_WithFilter");
h.setLevel(Level.INFO);
h.publish(r);
h.flush();
assertEquals("", aos.toString());
assertSame(r, CallVerificationStack.getInstance().pop());
h.setLevel(Level.WARNING);
h.publish(r);
h.flush();
assertEquals("", aos.toString());
assertTrue(CallVerificationStack.getInstance().empty());
h.setLevel(Level.CONFIG);
h.publish(r);
h.flush();
assertEquals("", aos.toString());
assertSame(r, CallVerificationStack.getInstance().pop());
r.setLevel(Level.OFF);
h.setLevel(Level.OFF);
h.publish(r);
h.flush();
assertEquals("", aos.toString());
assertTrue(CallVerificationStack.getInstance().empty());
}
/*
* Test publish(), null log record, handler should call ErrorManager to
* handle exceptional case
*/
public void testPublish_Null() {
StreamHandler h = new StreamHandler(new ByteArrayOutputStream(),
new SimpleFormatter());
h.publish(null);
}
/*
* Test publish(), null log record, without output stream
*/
public void testPublish_Null_NoOutputStream() {
StreamHandler h = new StreamHandler();
h.publish(null);
// regression test for Harmony-1279
MockFilter filter = new MockFilter();
h.setLevel(Level.FINER);
h.setFilter(filter);
LogRecord record = new LogRecord(Level.FINE, "abc");
h.publish(record);
// verify that filter.isLoggable is not called, because there's no
// associated output stream.
assertTrue(CallVerificationStack.getInstance().empty());
}
/*
* Test publish(), a log record with empty msg, having output stream
*/
public void testPublish_EmptyMsg() {
ByteArrayOutputStream aos = new ByteArrayOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
LogRecord r = new LogRecord(Level.INFO, "");
h.publish(r);
h.flush();
assertEquals("MockFormatter_Head", aos.toString());
}
/*
* Test publish(), a log record with null msg, having output stream
*/
public void testPublish_NullMsg() {
ByteArrayOutputStream aos = new ByteArrayOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
LogRecord r = new LogRecord(Level.INFO, null);
h.publish(r);
h.flush();
assertEquals("MockFormatter_Head", aos.toString());
}
/*
* Test publish(), after close.
*/
public void testPublish_AfterClose() throws Exception {
Properties p = new Properties();
p.put("java.util.logging.StreamHandler.level", "FINE");
LogManager.getLogManager().readConfiguration(
EnvironmentHelper.PropertiesToInputStream(p));
ByteArrayOutputStream aos = new ByteArrayOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
assertSame(h.getLevel(), Level.FINE);
LogRecord r = new LogRecord(Level.INFO, "testPublish_NoFormatter");
assertTrue(h.isLoggable(r));
h.close();
assertFalse(h.isLoggable(r));
h.publish(r);
h.flush();
assertEquals("MockFormatter_HeadMockFormatter_Tail", aos.toString());
}
/*
* Test setEncoding() method with supported encoding.
*
public void testSetEncoding_Normal() throws Exception {
ByteArrayOutputStream aos = new ByteArrayOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
h.setEncoding("iso-8859-1");
assertEquals("iso-8859-1", h.getEncoding());
LogRecord r = new LogRecord(Level.INFO, "\u6881\u884D\u8F69");
h.publish(r);
h.flush();
byte[] bytes = encoder.encode(
CharBuffer.wrap("MockFormatter_Head" + "\u6881\u884D\u8F69"))
.array();
assertTrue(Arrays.equals(bytes, aos.toByteArray()));
}
/*
* Test setEncoding() method with supported encoding, after a log record
* has been written.
*
public void testSetEncoding_AfterPublish() throws Exception {
ByteArrayOutputStream aos = new ByteArrayOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
h.setEncoding("iso-8859-1");
assertEquals("iso-8859-1", h.getEncoding());
LogRecord r = new LogRecord(Level.INFO, "\u6881\u884D\u8F69");
h.publish(r);
h.flush();
assertTrue(Arrays.equals(aos.toByteArray(), encoder.encode(
CharBuffer.wrap("MockFormatter_Head" + "\u6881\u884D\u8F69"))
.array()));
h.setEncoding("iso8859-1");
assertEquals("iso8859-1", h.getEncoding());
r = new LogRecord(Level.INFO, "\u6881\u884D\u8F69");
h.publish(r);
h.flush();
assertFalse(Arrays.equals(aos.toByteArray(), encoder.encode(
CharBuffer.wrap("MockFormatter_Head" + "\u6881\u884D\u8F69"
+ "testSetEncoding_Normal2")).array()));
byte[] b0 = aos.toByteArray();
byte[] b1 = encoder.encode(
CharBuffer.wrap("MockFormatter_Head" + "\u6881\u884D\u8F69"))
.array();
byte[] b2 = encoder.encode(CharBuffer.wrap("\u6881\u884D\u8F69"))
.array();
byte[] b3 = new byte[b1.length + b2.length];
System.arraycopy(b1, 0, b3, 0, b1.length);
System.arraycopy(b2, 0, b3, b1.length, b2.length);
assertTrue(Arrays.equals(b0, b3));
}
/*
* Test setEncoding() methods with null.
*/
public void testSetEncoding_Null() throws Exception {
StreamHandler h = new StreamHandler();
h.setEncoding(null);
assertNull(h.getEncoding());
}
/*
* Test setEncoding() methods with unsupported encoding.
*/
public void testSetEncoding_Unsupported() {
StreamHandler h = new StreamHandler();
try {
h.setEncoding("impossible");
fail("Should throw UnsupportedEncodingException!");
} catch (UnsupportedEncodingException e) {
// expected
}
assertNull(h.getEncoding());
}
/*
* Test setEncoding() with insufficient privilege.
*
public void testSetEncoding_InsufficientPrivilege() throws Exception {
StreamHandler h = new StreamHandler();
SecurityManager oldMan = System.getSecurityManager();
System.setSecurityManager(new MockSecurityManager());
// set a normal value
try {
h.setEncoding("iso-8859-1");
fail("Should throw SecurityException!");
} catch (SecurityException e) {
// expected
} finally {
System.setSecurityManager(oldMan);
}
assertNull(h.getEncoding());
System.setSecurityManager(new MockSecurityManager());
// set an invalid value
try {
h.setEncoding("impossible");
fail("Should throw SecurityException!");
} catch (SecurityException e) {
// expected
} finally {
System.setSecurityManager(oldMan);
}
assertNull(h.getEncoding());
}
/*
* Test setEncoding() methods will flush a stream before setting.
*/
public void testSetEncoding_FlushBeforeSetting() throws Exception {
ByteArrayOutputStream aos = new ByteArrayOutputStream();
StreamHandler h = new StreamHandler(aos, new MockFormatter());
LogRecord r = new LogRecord(Level.INFO, "abcd");
h.publish(r);
assertFalse(aos.toString().indexOf("abcd") > 0);
h.setEncoding("iso-8859-1");
assertTrue(aos.toString().indexOf("abcd") > 0);
}
/*
* Test setOutputStream() with null.
*/
public void testSetOutputStream_null() {
MockStreamHandler h = new MockStreamHandler(
new ByteArrayOutputStream(), new SimpleFormatter());
try {
h.setOutputStream(null);
fail("Should throw NullPointerException!");
} catch (NullPointerException e) {
// expected
}
}
/*
* Test setOutputStream() under normal condition.
*/
public void testSetOutputStream_Normal() {
ByteArrayOutputStream aos = new ByteArrayOutputStream();
MockStreamHandler h = new MockStreamHandler(aos, new MockFormatter());
LogRecord r = new LogRecord(Level.INFO, "testSetOutputStream_Normal");
h.publish(r);
assertSame(r, CallVerificationStack.getInstance().pop());
assertTrue(CallVerificationStack.getInstance().empty());
h.flush();
assertEquals("MockFormatter_Head" + "testSetOutputStream_Normal", aos
.toString());
ByteArrayOutputStream aos2 = new ByteArrayOutputStream();
h.setOutputStream(aos2);
assertEquals("MockFormatter_Head" + "testSetOutputStream_Normal"
+ "MockFormatter_Tail", aos.toString());
r = new LogRecord(Level.INFO, "testSetOutputStream_Normal2");
h.publish(r);
assertSame(r, CallVerificationStack.getInstance().pop());
assertTrue(CallVerificationStack.getInstance().empty());
h.flush();
assertEquals("MockFormatter_Head" + "testSetOutputStream_Normal2", aos2
.toString());
assertEquals("MockFormatter_Head" + "testSetOutputStream_Normal"
+ "MockFormatter_Tail", aos.toString());
}
/*
* Test setOutputStream() after close.
*/
public void testSetOutputStream_AfterClose() {
ByteArrayOutputStream aos = new ByteArrayOutputStream();
MockStreamHandler h = new MockStreamHandler(aos, new MockFormatter());
LogRecord r = new LogRecord(Level.INFO, "testSetOutputStream_Normal");
h.publish(r);
assertSame(r, CallVerificationStack.getInstance().pop());
assertTrue(CallVerificationStack.getInstance().empty());
h.flush();
assertEquals("MockFormatter_Head" + "testSetOutputStream_Normal", aos
.toString());
h.close();
ByteArrayOutputStream aos2 = new ByteArrayOutputStream();
h.setOutputStream(aos2);
assertEquals("MockFormatter_Head" + "testSetOutputStream_Normal"
+ "MockFormatter_Tail", aos.toString());
r = new LogRecord(Level.INFO, "testSetOutputStream_Normal2");
h.publish(r);
assertSame(r, CallVerificationStack.getInstance().pop());
assertTrue(CallVerificationStack.getInstance().empty());
h.flush();
assertEquals("MockFormatter_Head" + "testSetOutputStream_Normal2", aos2
.toString());
assertEquals("MockFormatter_Head" + "testSetOutputStream_Normal"
+ "MockFormatter_Tail", aos.toString());
}
/*
* Test setOutputStream() when having insufficient privilege.
*
public void testSetOutputStream_InsufficientPrivilege() {
MockStreamHandler h = new MockStreamHandler();
SecurityManager oldMan = System.getSecurityManager();
System.setSecurityManager(new MockSecurityManager());
try {
h.setOutputStream(new ByteArrayOutputStream());
fail("Should throw SecurityException!");
} catch (SecurityException e) {
// expected
} finally {
System.setSecurityManager(oldMan);
}
h = new MockStreamHandler();
System.setSecurityManager(new MockSecurityManager());
try {
h.setOutputStream(null);
fail("Should throw NullPointerException!");
} catch (NullPointerException e) {
// expected
} finally {
System.setSecurityManager(oldMan);
}
}
/*
* A mock stream handler, expose setOutputStream.
*/
public static class MockStreamHandler extends StreamHandler {
public MockStreamHandler() {
super();
}
public MockStreamHandler(OutputStream out, Formatter formatter) {
super(out, formatter);
}
public void setOutputStream(OutputStream out) {
super.setOutputStream(out);
}
public boolean isLoggable(LogRecord r) {
CallVerificationStack.getInstance().push(r);
return super.isLoggable(r);
}
}
/*
* A mock filter, always return false.
*/
public static class MockFilter implements Filter {
public boolean isLoggable(LogRecord record) {
CallVerificationStack.getInstance().push(record);
return false;
}
}
/*
* A mock formatter.
*/
public static class MockFormatter extends java.util.logging.Formatter {
public String format(LogRecord r) {
// System.out.println("formatter called...");
return super.formatMessage(r);
}
/*
* (non-Javadoc)
*
* @see java.util.logging.Formatter#getHead(java.util.logging.Handler)
*/
public String getHead(Handler h) {
return "MockFormatter_Head";
}
/*
* (non-Javadoc)
*
* @see java.util.logging.Formatter#getTail(java.util.logging.Handler)
*/
public String getTail(Handler h) {
return "MockFormatter_Tail";
}
}
/*
* Another mock formatter.
*/
public static class MockFormatter2 extends java.util.logging.Formatter {
public String format(LogRecord r) {
// System.out.println("formatter2 called...");
return r.getMessage();
}
}
/*
* A mock output stream.
*/
public static class MockOutputStream extends ByteArrayOutputStream {
/*
* (non-Javadoc)
*
* @see java.io.OutputStream#close()
*/
public void close() throws IOException {
CallVerificationStack.getInstance().push(null);
super.close();
}
/*
* (non-Javadoc)
*
* @see java.io.OutputStream#flush()
*/
public void flush() throws IOException {
CallVerificationStack.getInstance().push(null);
super.flush();
}
/*
* (non-Javadoc)
*
* @see java.io.OutputStream#write(int)
*/
public void write(int oneByte) {
// TODO Auto-generated method stub
super.write(oneByte);
}
}
/*
* A mock output stream that always throw exception.
*/
public static class MockExceptionOutputStream extends ByteArrayOutputStream {
/*
* (non-Javadoc)
*
* @see java.io.OutputStream#close()
*/
public void close() throws IOException {
throw new IOException();
}
/*
* (non-Javadoc)
*
* @see java.io.OutputStream#flush()
*/
public void flush() throws IOException {
throw new IOException();
}
/*
* (non-Javadoc)
*
* @see java.io.OutputStream#write(byte[], int, int)
*/
public synchronized void write(byte[] buffer, int offset, int count) {
throw new NullPointerException();
}
/*
* (non-Javadoc)
*
* @see java.io.OutputStream#write(int)
*/
public synchronized void write(int oneByte) {
throw new NullPointerException();
}
}
/*
* Used to grant all permissions except logging control.
*/
public static class MockSecurityManager extends SecurityManager {
public MockSecurityManager() {
}
public void checkPermission(Permission perm) {
// grant all permissions except logging control
if (perm instanceof LoggingPermission) {
throw new SecurityException();
}
}
public void checkPermission(Permission perm, Object context) {
// grant all permissions except logging control
if (perm instanceof LoggingPermission) {
throw new SecurityException();
}
}
}
}