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Diffstat (limited to 'jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SynchronizedObjectTests.java')
-rw-r--r--jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SynchronizedObjectTests.java293
1 files changed, 0 insertions, 293 deletions
diff --git a/jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SynchronizedObjectTests.java b/jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SynchronizedObjectTests.java
deleted file mode 100644
index e673aa2f42..0000000000
--- a/jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/SynchronizedObjectTests.java
+++ /dev/null
@@ -1,293 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2008 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.utility.tests.internal;
-
-import org.eclipse.jpt.utility.internal.SynchronizedObject;
-
-import junit.framework.TestCase;
-
-public class SynchronizedObjectTests extends TestCase {
- private volatile SynchronizedObject<Object> so;
- private volatile boolean exCaught;
- private volatile boolean timeoutOccurred;
- volatile Object value = new Object();
- private volatile long startTime;
- private volatile long endTime;
- private volatile Object soValue;
-
-
- public SynchronizedObjectTests(String name) {
- super(name);
- }
-
- @Override
- protected void setUp() throws Exception {
- super.setUp();
- this.so = new SynchronizedObject<Object>();
- this.exCaught = false;
- this.timeoutOccurred = false;
- this.startTime = 0;
- this.endTime = 0;
- this.soValue = null;
- }
-
- @Override
- protected void tearDown() throws Exception {
- TestTools.clear(this);
- super.tearDown();
- }
-
- public void testAccessors() throws Exception {
- this.so.setValue(null);
- assertNull(this.so.value());
- assertFalse(this.so.isNotNull());
- assertTrue(this.so.isNull());
-
- this.so.setValue(this.value);
- assertEquals(this.value, this.so.value());
- assertTrue(this.so.isNotNull());
- assertFalse(this.so.isNull());
-
- this.so.setNull();
- assertNull(this.so.value());
- assertFalse(this.so.isNotNull());
- assertTrue(this.so.isNull());
-
- assertSame(this.so, this.so.mutex());
- }
-
- public void testEquals() throws Exception {
- this.so.setValue(null);
- SynchronizedObject<Object> so2 = new SynchronizedObject<Object>(null);
- assertEquals(this.so, so2);
-
- this.so.setValue(this.value);
- assertFalse(this.so.equals(so2));
-
- so2.setValue(this.value);
- assertEquals(this.so, so2);
- }
-
- public void testHashCode() {
- this.so.setValue(this.value);
- assertEquals(this.value.hashCode(), this.so.hashCode());
-
- this.so.setValue(null);
- assertEquals(0, this.so.hashCode());
- }
-
- /**
- * t2 will wait indefinitely until t1 sets the value to null
- */
- public void testWaitUntilNull() throws Exception {
- this.verifyWaitUntilNull(0);
- // no timeout occurs...
- assertFalse(this.timeoutOccurred);
- // ...and the value should be set to null by t2
- assertNull(this.so.value());
- // make a reasonable guess about how long t2 took
- long time = this.elapsedTime();
- assertTrue("t2 finished a bit early (expected value should be > 150): " + time, time > 150);
- }
-
- /**
- * t2 will time out waiting for t1 to set the value to null
- */
- public void testWaitUntilNullTimeout() throws Exception {
- this.verifyWaitUntilNull(20);
- // timeout occurs...
- assertTrue(this.timeoutOccurred);
- // ...and the value will eventually be set to null by t1
- assertNull(this.so.value());
- // make a reasonable guess about how long t2 took
- long time = this.elapsedTime();
- assertTrue("t2 finished a bit late (expected value should be < 150): " + time, time < 150);
- }
-
- private void verifyWaitUntilNull(long t2Timeout) throws Exception {
- this.executeThreads(this.buildSetNullCommand(), this.buildWaitUntilNullCommand(t2Timeout));
- }
-
- /**
- * t2 will wait indefinitely until t1 sets the value to null;
- * then t2 will set the value to an object
- */
- public void testWaitToSetValue() throws Exception {
- this.verifyWaitToSetValue(0);
- // no timeout occurs...
- assertFalse(this.timeoutOccurred);
- // ...and the value should be set to an object by t2
- assertTrue(this.so.isNotNull());
- // make a reasonable guess about how long t2 took
- long time = this.elapsedTime();
- assertTrue("t2 finished a bit early (expected value should be > 150): " + time, time > 150);
- }
-
- /**
- * t2 will time out waiting for t1 to set the value to null
- */
- public void testWaitToSetValueTimeout() throws Exception {
- this.verifyWaitToSetValue(20);
- // timeout occurs...
- assertTrue(this.timeoutOccurred);
- // ...and the value will eventually be set to null by t1
- assertTrue(this.so.isNull());
- // make a reasonable guess about how long t2 took
- long time = this.elapsedTime();
- assertTrue("t2 finished a bit late (expected value should be < 150): " + time, time < 150);
- }
-
- private void verifyWaitToSetValue(long t2Timeout) throws Exception {
- this.executeThreads(this.buildSetNullCommand(), this.buildWaitToSetValueCommand(t2Timeout));
- }
-
- /**
- * t2 will wait until t1 is finished "initializing" the value;
- * then t2 will get the newly-initialized value ("foo")
- */
- public void testExecute() throws Exception {
- this.so.setValue(null);
- Runnable r1 = this.buildRunnable(this.buildInitializeValueCommand(), this.so, 0);
- // give t1 a head start of 100 ms
- Runnable r2 = this.buildRunnable(this.buildGetValueCommand(), this.so, 100);
- Thread t1 = new Thread(r1);
- Thread t2 = new Thread(r2);
- t1.start();
- t2.start();
- while (t1.isAlive() || t2.isAlive()) {
- Thread.sleep(50);
- }
- assertFalse(this.exCaught);
- assertEquals("foo", this.so.value());
- assertEquals("foo", this.soValue);
- // make a reasonable guess about how long t2 took
- long time = this.elapsedTime();
- assertTrue("t2 finished a bit early (expected value should be > 100): " + time, time > 300);
- }
-
- private void executeThreads(Command t1Command, Command t2Command) throws Exception {
- this.so.setValue(this.value);
- Runnable r1 = this.buildRunnable(t1Command, this.so, 200);
- Runnable r2 = this.buildRunnable(t2Command, this.so, 0);
- Thread t1 = new Thread(r1);
- Thread t2 = new Thread(r2);
- t1.start();
- t2.start();
- while (t1.isAlive() || t2.isAlive()) {
- Thread.sleep(50);
- }
- assertFalse(this.exCaught);
- }
-
- private Command buildSetNullCommand() {
- return new Command() {
- public void execute(SynchronizedObject<Object> sObject) {
- sObject.setNull();
- }
- };
- }
-
- private Command buildWaitUntilNullCommand(final long timeout) {
- return new Command() {
- public void execute(SynchronizedObject<Object> sObject) throws Exception {
- SynchronizedObjectTests.this.setStartTime(System.currentTimeMillis());
- SynchronizedObjectTests.this.setTimeoutOccurred( ! sObject.waitUntilNull(timeout));
- SynchronizedObjectTests.this.setEndTime(System.currentTimeMillis());
- }
- };
- }
-
- private Command buildWaitToSetValueCommand(final long timeout) {
- return new Command() {
- public void execute(SynchronizedObject<Object> sObject) throws Exception {
- SynchronizedObjectTests.this.setStartTime(System.currentTimeMillis());
- SynchronizedObjectTests.this.setTimeoutOccurred( ! sObject.waitToSetValue(SynchronizedObjectTests.this.value, timeout));
- SynchronizedObjectTests.this.setEndTime(System.currentTimeMillis());
- }
- };
- }
-
- private Command buildInitializeValueCommand() {
- return new Command() {
- public void execute(final SynchronizedObject<Object> sObject) throws Exception {
- sObject.execute(
- new org.eclipse.jpt.utility.Command() {
- public void execute() {
- // pretend to perform some long initialization process
- try {
- Thread.sleep(500);
- } catch (Exception ex) {
- SynchronizedObjectTests.this.setExCaught(true);
- }
- sObject.setValue("foo");
- }
- }
- );
- }
- };
- }
-
- private Command buildGetValueCommand() {
- return new Command() {
- public void execute(SynchronizedObject<Object> sObject) throws Exception {
- SynchronizedObjectTests.this.setStartTime(System.currentTimeMillis());
- SynchronizedObjectTests.this.setSOValue(sObject.value());
- SynchronizedObjectTests.this.setEndTime(System.currentTimeMillis());
- }
- };
- }
-
- private Runnable buildRunnable(final Command command, final SynchronizedObject<Object> sObject, final long sleep) {
- return new Runnable() {
- public void run() {
- try {
- if (sleep != 0) {
- Thread.sleep(sleep);
- }
- command.execute(sObject);
- } catch (Exception ex) {
- SynchronizedObjectTests.this.setExCaught(true);
- }
- }
- };
- }
-
- void setExCaught(boolean exCaught) {
- this.exCaught = exCaught;
- }
-
- void setTimeoutOccurred(boolean timeoutOccurred) {
- this.timeoutOccurred = timeoutOccurred;
- }
-
- void setStartTime(long startTime) {
- this.startTime = startTime;
- }
-
- void setEndTime(long endTime) {
- this.endTime = endTime;
- }
-
- private long elapsedTime() {
- return this.endTime - this.startTime;
- }
-
- void setSOValue(Object soValue) {
- this.soValue = soValue;
- }
-
-
- // ********** Command interface **********
-
- private interface Command {
- void execute(SynchronizedObject<Object> so) throws Exception;
- }
-
-}

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