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/*******************************************************************************
* Copyright (c) 2008, 2012 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.tests.internal.command;
import org.eclipse.jpt.common.utility.command.Command;
import org.eclipse.jpt.common.utility.command.CommandExecutor;
import org.eclipse.jpt.common.utility.internal.command.CommandRunnable;
import org.eclipse.jpt.common.utility.internal.command.RunnableCommand;
import org.eclipse.jpt.common.utility.internal.command.ThreadLocalCommand;
import org.eclipse.jpt.common.utility.tests.internal.MultiThreadedTestCase;
import org.eclipse.jpt.common.utility.tests.internal.TestTools;
public class CommandTests
extends MultiThreadedTestCase
{
public CommandTests(String name) {
super(name);
}
public void testNullCommand() {
Command command = Command.Null.instance();
command.execute(); // just make sure it doesn't blow up?
}
public void testNullCommand_toString() {
Command command = Command.Null.instance();
assertNotNull(command.toString());
}
public void testNullCommand_serialization() throws Exception {
Command command1 = Command.Null.instance();
Command command2 = TestTools.serialize(command1);
assertSame(command1, command2);
}
public void testDisabledCommand() {
Command command = Command.Disabled.instance();
boolean exCaught = false;
try {
command.execute();
fail();
} catch (UnsupportedOperationException ex) {
exCaught = true;
}
assertTrue(exCaught);
}
public void testDisabledCommand_toString() {
Command command = Command.Disabled.instance();
assertNotNull(command.toString());
}
public void testDisabledCommand_serialization() throws Exception {
Command command1 = Command.Disabled.instance();
Command command2 = TestTools.serialize(command1);
assertSame(command1, command2);
}
public void testRunnableCommand() {
SimpleTestRunnable testRunnable = new SimpleTestRunnable();
assertFalse(testRunnable.ran);
Command command = new RunnableCommand(testRunnable);
command.execute();
assertTrue(testRunnable.ran);
}
static class SimpleTestRunnable implements Runnable {
boolean ran = false;
public void run() {
this.ran = true;
}
}
public void testCommandRunnable() {
TestCommand testCommand = new TestCommand();
assertEquals(0, testCommand.count);
Runnable runnable = new CommandRunnable(testCommand);
runnable.run();
assertEquals(1, testCommand.count);
}
static class TestCommand implements Command {
int count = 0;
public void execute() {
this.count++;
}
}
public void testThreadLocalCommand() throws Exception {
ThreadLocalCommand threadLocalCommand = new ThreadLocalCommand();
TestRunnable testRunnable1 = new TestRunnable(threadLocalCommand, 1);
Thread thread1 = this.buildThread(testRunnable1);
thread1.run();
TestRunnable testRunnable2 = new TestRunnable(threadLocalCommand, 2);
Thread thread2 = this.buildThread(testRunnable2);
thread2.run();
thread1.join();
thread2.join();
assertEquals(1, testRunnable1.testCommand.count);
assertEquals(2, testRunnable2.testCommand.count);
}
static class TestCommandExecutor implements CommandExecutor {
int count = 0;
public void execute(Command command) {
this.count++;
command.execute();
}
}
static class TestRunnable implements Runnable {
final ThreadLocalCommand threadLocalCommand;
final int executionCount;
final TestCommand testCommand = new TestCommand();
TestRunnable(ThreadLocalCommand threadLocalCommand, int executionCount) {
super();
this.threadLocalCommand = threadLocalCommand;
this.executionCount = executionCount;
}
public void run() {
this.threadLocalCommand.set(this.testCommand);
for (int i = 0; i < this.executionCount; i++) {
this.threadLocalCommand.execute();
}
}
}
}
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