/***
* Retrotranslator: a Java bytecode transformer that translates Java classes
* compiled with JDK 5.0 into classes that can be run on JVM 1.4.
*
* Copyright (c) 2005 - 2008 Taras Puchko
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package net.sf.retrotranslator.runtime.java.lang;
import junit.framework.*;
import java.util.concurrent.*;
/**
* @author Taras Puchko
*/
public class ThreadLocal_TestCase extends TestCase {
private ExecutorService service;
protected void setUp() throws Exception {
super.setUp();
service = Executors.newSingleThreadExecutor();
}
protected void tearDown() throws Exception {
service.shutdown();
super.tearDown();
}
private void execute(Runnable runnable) throws Exception {
try {
service.submit(runnable).get();
} catch (ExecutionException e) {
Throwable cause = e.getCause();
if (cause instanceof Exception) throw (Exception) cause;
if (cause instanceof Error) throw (Error) cause;
throw e;
}
}
public void test() throws Exception {
final ThreadLocal<String> threadLocal = new ThreadLocal<String>() {
protected String initialValue() {
return "a";
}
};
assertEquals("a", threadLocal.get());
threadLocal.set("b");
execute(new Runnable() {
public void run() {
assertEquals("a", threadLocal.get());
threadLocal.set("x");
assertEquals("x", threadLocal.get());
}
});
assertEquals("b", threadLocal.get());
threadLocal.set(null);
assertNull(threadLocal.get());
threadLocal.remove();
execute(new Runnable() {
public void run() {
assertEquals("x", threadLocal.get());
threadLocal.set("y");
}
});
assertEquals("a", threadLocal.get());
execute(new Runnable() {
public void run() {
assertEquals("y", threadLocal.get());
threadLocal.set(null);
threadLocal.remove();
assertEquals("a", threadLocal.get());
threadLocal.remove();
threadLocal.set(null);
assertNull(threadLocal.get());
}
});
}
}
|