undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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test/jdk/java/util/concurrent/tck/ExecutorsTest.java
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test/jdk/java/util/concurrent/tck/ExecutorsTest.java
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/*
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* 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.
|
||||
*/
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||||
|
||||
/*
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||||
* This file is available under and governed by the GNU General Public
|
||||
* License version 2 only, as published by the Free Software Foundation.
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||||
* However, the following notice accompanied the original version of this
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* file:
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*
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||||
* Written by Doug Lea with assistance from members of JCP JSR-166
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* Expert Group and released to the public domain, as explained at
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* http://creativecommons.org/publicdomain/zero/1.0/
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* Other contributors include Andrew Wright, Jeffrey Hayes,
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* Pat Fisher, Mike Judd.
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*/
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import static java.util.concurrent.TimeUnit.MILLISECONDS;
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import java.security.PrivilegedAction;
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import java.security.PrivilegedExceptionAction;
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||||
import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.Callable;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Future;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.ThreadPoolExecutor;
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import junit.framework.Test;
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import junit.framework.TestSuite;
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public class ExecutorsTest extends JSR166TestCase {
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public static void main(String[] args) {
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main(suite(), args);
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}
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public static Test suite() {
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return new TestSuite(ExecutorsTest.class);
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}
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/**
|
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* A newCachedThreadPool can execute runnables
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*/
|
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public void testNewCachedThreadPool1() {
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final ExecutorService e = Executors.newCachedThreadPool();
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try (PoolCleaner cleaner = cleaner(e)) {
|
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e.execute(new NoOpRunnable());
|
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e.execute(new NoOpRunnable());
|
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e.execute(new NoOpRunnable());
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}
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}
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|
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/**
|
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* A newCachedThreadPool with given ThreadFactory can execute runnables
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*/
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public void testNewCachedThreadPool2() {
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final ExecutorService e = Executors.newCachedThreadPool(new SimpleThreadFactory());
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try (PoolCleaner cleaner = cleaner(e)) {
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e.execute(new NoOpRunnable());
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e.execute(new NoOpRunnable());
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e.execute(new NoOpRunnable());
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}
|
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}
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|
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/**
|
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* A newCachedThreadPool with null ThreadFactory throws NPE
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*/
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public void testNewCachedThreadPool3() {
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try {
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ExecutorService unused = Executors.newCachedThreadPool(null);
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shouldThrow();
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} catch (NullPointerException success) {}
|
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}
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|
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/**
|
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* A new SingleThreadExecutor can execute runnables
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*/
|
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public void testNewSingleThreadExecutor1() {
|
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final ExecutorService e = Executors.newSingleThreadExecutor();
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try (PoolCleaner cleaner = cleaner(e)) {
|
||||
e.execute(new NoOpRunnable());
|
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e.execute(new NoOpRunnable());
|
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e.execute(new NoOpRunnable());
|
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}
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}
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|
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/**
|
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* A new SingleThreadExecutor with given ThreadFactory can execute runnables
|
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*/
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public void testNewSingleThreadExecutor2() {
|
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final ExecutorService e = Executors.newSingleThreadExecutor(new SimpleThreadFactory());
|
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try (PoolCleaner cleaner = cleaner(e)) {
|
||||
e.execute(new NoOpRunnable());
|
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e.execute(new NoOpRunnable());
|
||||
e.execute(new NoOpRunnable());
|
||||
}
|
||||
}
|
||||
|
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/**
|
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* A new SingleThreadExecutor with null ThreadFactory throws NPE
|
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*/
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public void testNewSingleThreadExecutor3() {
|
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try {
|
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ExecutorService unused = Executors.newSingleThreadExecutor(null);
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shouldThrow();
|
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} catch (NullPointerException success) {}
|
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}
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|
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/**
|
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* A new SingleThreadExecutor cannot be casted to concrete implementation
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*/
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public void testCastNewSingleThreadExecutor() {
|
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final ExecutorService e = Executors.newSingleThreadExecutor();
|
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try (PoolCleaner cleaner = cleaner(e)) {
|
||||
try {
|
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ThreadPoolExecutor tpe = (ThreadPoolExecutor)e;
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shouldThrow();
|
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} catch (ClassCastException success) {}
|
||||
}
|
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}
|
||||
|
||||
/**
|
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* A new newFixedThreadPool can execute runnables
|
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*/
|
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public void testNewFixedThreadPool1() {
|
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final ExecutorService e = Executors.newFixedThreadPool(2);
|
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try (PoolCleaner cleaner = cleaner(e)) {
|
||||
e.execute(new NoOpRunnable());
|
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e.execute(new NoOpRunnable());
|
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e.execute(new NoOpRunnable());
|
||||
}
|
||||
}
|
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|
||||
/**
|
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* A new newFixedThreadPool with given ThreadFactory can execute runnables
|
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*/
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public void testNewFixedThreadPool2() {
|
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final ExecutorService e = Executors.newFixedThreadPool(2, new SimpleThreadFactory());
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try (PoolCleaner cleaner = cleaner(e)) {
|
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e.execute(new NoOpRunnable());
|
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e.execute(new NoOpRunnable());
|
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e.execute(new NoOpRunnable());
|
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}
|
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}
|
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|
||||
/**
|
||||
* A new newFixedThreadPool with null ThreadFactory throws
|
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* NullPointerException
|
||||
*/
|
||||
public void testNewFixedThreadPool3() {
|
||||
try {
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ExecutorService unused = Executors.newFixedThreadPool(2, null);
|
||||
shouldThrow();
|
||||
} catch (NullPointerException success) {}
|
||||
}
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|
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/**
|
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* A new newFixedThreadPool with 0 threads throws IllegalArgumentException
|
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*/
|
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public void testNewFixedThreadPool4() {
|
||||
try {
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ExecutorService unused = Executors.newFixedThreadPool(0);
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||||
shouldThrow();
|
||||
} catch (IllegalArgumentException success) {}
|
||||
}
|
||||
|
||||
/**
|
||||
* An unconfigurable newFixedThreadPool can execute runnables
|
||||
*/
|
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public void testUnconfigurableExecutorService() {
|
||||
final ExecutorService e = Executors.unconfigurableExecutorService(Executors.newFixedThreadPool(2));
|
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try (PoolCleaner cleaner = cleaner(e)) {
|
||||
e.execute(new NoOpRunnable());
|
||||
e.execute(new NoOpRunnable());
|
||||
e.execute(new NoOpRunnable());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* unconfigurableExecutorService(null) throws NPE
|
||||
*/
|
||||
public void testUnconfigurableExecutorServiceNPE() {
|
||||
try {
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||||
ExecutorService unused =
|
||||
Executors.unconfigurableExecutorService(null);
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||||
shouldThrow();
|
||||
} catch (NullPointerException success) {}
|
||||
}
|
||||
|
||||
/**
|
||||
* unconfigurableScheduledExecutorService(null) throws NPE
|
||||
*/
|
||||
public void testUnconfigurableScheduledExecutorServiceNPE() {
|
||||
try {
|
||||
ExecutorService unused =
|
||||
Executors.unconfigurableScheduledExecutorService(null);
|
||||
shouldThrow();
|
||||
} catch (NullPointerException success) {}
|
||||
}
|
||||
|
||||
/**
|
||||
* a newSingleThreadScheduledExecutor successfully runs delayed task
|
||||
*/
|
||||
public void testNewSingleThreadScheduledExecutor() throws Exception {
|
||||
final ScheduledExecutorService p = Executors.newSingleThreadScheduledExecutor();
|
||||
try (PoolCleaner cleaner = cleaner(p)) {
|
||||
final CountDownLatch proceed = new CountDownLatch(1);
|
||||
final Runnable task = new CheckedRunnable() {
|
||||
public void realRun() {
|
||||
await(proceed);
|
||||
}};
|
||||
long startTime = System.nanoTime();
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||||
Future<?> f = p.schedule(Executors.callable(task, Boolean.TRUE),
|
||||
timeoutMillis(), MILLISECONDS);
|
||||
assertFalse(f.isDone());
|
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proceed.countDown();
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||||
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
|
||||
assertSame(Boolean.TRUE, f.get());
|
||||
assertTrue(f.isDone());
|
||||
assertFalse(f.isCancelled());
|
||||
assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* a newScheduledThreadPool successfully runs delayed task
|
||||
*/
|
||||
public void testNewScheduledThreadPool() throws Exception {
|
||||
final ScheduledExecutorService p = Executors.newScheduledThreadPool(2);
|
||||
try (PoolCleaner cleaner = cleaner(p)) {
|
||||
final CountDownLatch proceed = new CountDownLatch(1);
|
||||
final Runnable task = new CheckedRunnable() {
|
||||
public void realRun() {
|
||||
await(proceed);
|
||||
}};
|
||||
long startTime = System.nanoTime();
|
||||
Future<?> f = p.schedule(Executors.callable(task, Boolean.TRUE),
|
||||
timeoutMillis(), MILLISECONDS);
|
||||
assertFalse(f.isDone());
|
||||
proceed.countDown();
|
||||
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
|
||||
assertSame(Boolean.TRUE, f.get());
|
||||
assertTrue(f.isDone());
|
||||
assertFalse(f.isCancelled());
|
||||
assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* an unconfigurable newScheduledThreadPool successfully runs delayed task
|
||||
*/
|
||||
public void testUnconfigurableScheduledExecutorService() throws Exception {
|
||||
final ScheduledExecutorService p =
|
||||
Executors.unconfigurableScheduledExecutorService
|
||||
(Executors.newScheduledThreadPool(2));
|
||||
try (PoolCleaner cleaner = cleaner(p)) {
|
||||
final CountDownLatch proceed = new CountDownLatch(1);
|
||||
final Runnable task = new CheckedRunnable() {
|
||||
public void realRun() {
|
||||
await(proceed);
|
||||
}};
|
||||
long startTime = System.nanoTime();
|
||||
Future<?> f = p.schedule(Executors.callable(task, Boolean.TRUE),
|
||||
timeoutMillis(), MILLISECONDS);
|
||||
assertFalse(f.isDone());
|
||||
proceed.countDown();
|
||||
assertSame(Boolean.TRUE, f.get(LONG_DELAY_MS, MILLISECONDS));
|
||||
assertSame(Boolean.TRUE, f.get());
|
||||
assertTrue(f.isDone());
|
||||
assertFalse(f.isCancelled());
|
||||
assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Future.get on submitted tasks will time out if they compute too long.
|
||||
*/
|
||||
public void testTimedCallable() throws Exception {
|
||||
final ExecutorService[] executors = {
|
||||
Executors.newSingleThreadExecutor(),
|
||||
Executors.newCachedThreadPool(),
|
||||
Executors.newFixedThreadPool(2),
|
||||
Executors.newScheduledThreadPool(2),
|
||||
};
|
||||
|
||||
final CountDownLatch done = new CountDownLatch(1);
|
||||
|
||||
final Runnable sleeper = new CheckedRunnable() {
|
||||
public void realRun() throws InterruptedException {
|
||||
done.await(LONG_DELAY_MS, MILLISECONDS);
|
||||
}};
|
||||
|
||||
List<Thread> threads = new ArrayList<>();
|
||||
for (final ExecutorService executor : executors) {
|
||||
threads.add(newStartedThread(new CheckedRunnable() {
|
||||
public void realRun() {
|
||||
Future<?> future = executor.submit(sleeper);
|
||||
assertFutureTimesOut(future);
|
||||
}}));
|
||||
}
|
||||
for (Thread thread : threads)
|
||||
awaitTermination(thread);
|
||||
done.countDown();
|
||||
for (ExecutorService executor : executors)
|
||||
joinPool(executor);
|
||||
}
|
||||
|
||||
/**
|
||||
* ThreadPoolExecutor using defaultThreadFactory has
|
||||
* specified group, priority, daemon status, and name
|
||||
*/
|
||||
public void testDefaultThreadFactory() throws Exception {
|
||||
final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
|
||||
final CountDownLatch done = new CountDownLatch(1);
|
||||
Runnable r = new CheckedRunnable() {
|
||||
public void realRun() {
|
||||
try {
|
||||
Thread current = Thread.currentThread();
|
||||
assertFalse(current.isDaemon());
|
||||
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
|
||||
assertSame(current.getThreadGroup(), egroup);
|
||||
assertTrue(current.getName().endsWith("thread-1"));
|
||||
} catch (SecurityException ok) {
|
||||
// Also pass if not allowed to change setting
|
||||
}
|
||||
done.countDown();
|
||||
}};
|
||||
ExecutorService e = Executors.newSingleThreadExecutor(Executors.defaultThreadFactory());
|
||||
try (PoolCleaner cleaner = cleaner(e)) {
|
||||
e.execute(r);
|
||||
await(done);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* ThreadPoolExecutor using privilegedThreadFactory has
|
||||
* specified group, priority, daemon status, name,
|
||||
* and context class loader
|
||||
*/
|
||||
@SuppressWarnings("removal")
|
||||
public void testPrivilegedThreadFactory() throws Exception {
|
||||
final CountDownLatch done = new CountDownLatch(1);
|
||||
Runnable r = new CheckedRunnable() {
|
||||
public void realRun() throws Exception {
|
||||
final ThreadGroup egroup = Thread.currentThread().getThreadGroup();
|
||||
final ClassLoader thisccl = Thread.currentThread().getContextClassLoader();
|
||||
Runnable r = new CheckedRunnable() {
|
||||
public void realRun() {
|
||||
Thread current = Thread.currentThread();
|
||||
assertFalse(current.isDaemon());
|
||||
assertTrue(current.getPriority() <= Thread.NORM_PRIORITY);
|
||||
assertSame(current.getThreadGroup(), egroup);
|
||||
assertTrue(current.getName().endsWith("thread-1"));
|
||||
assertSame(thisccl, current.getContextClassLoader());
|
||||
done.countDown();
|
||||
}};
|
||||
ExecutorService e = Executors.newSingleThreadExecutor(Executors.privilegedThreadFactory());
|
||||
try (PoolCleaner cleaner = cleaner(e)) {
|
||||
e.execute(r);
|
||||
await(done);
|
||||
}
|
||||
}};
|
||||
|
||||
r.run();
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(Runnable) returns null when called
|
||||
*/
|
||||
public void testCallable1() throws Exception {
|
||||
Callable<?> c = Executors.callable(new NoOpRunnable());
|
||||
assertNull(c.call());
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(Runnable, result) returns result when called
|
||||
*/
|
||||
public void testCallable2() throws Exception {
|
||||
Callable<?> c = Executors.callable(new NoOpRunnable(), one);
|
||||
assertSame(one, c.call());
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(PrivilegedAction) returns its result when called
|
||||
*/
|
||||
public void testCallable3() throws Exception {
|
||||
Callable<?> c = Executors.callable(new PrivilegedAction() {
|
||||
public Object run() { return one; }});
|
||||
assertSame(one, c.call());
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(PrivilegedExceptionAction) returns its result when called
|
||||
*/
|
||||
public void testCallable4() throws Exception {
|
||||
Callable<?> c = Executors.callable(new PrivilegedExceptionAction() {
|
||||
public Object run() { return one; }});
|
||||
assertSame(one, c.call());
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(null Runnable) throws NPE
|
||||
*/
|
||||
public void testCallableNPE1() {
|
||||
try {
|
||||
Callable<?> unused = Executors.callable((Runnable) null);
|
||||
shouldThrow();
|
||||
} catch (NullPointerException success) {}
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(null, result) throws NPE
|
||||
*/
|
||||
public void testCallableNPE2() {
|
||||
try {
|
||||
Callable<?> unused = Executors.callable((Runnable) null, one);
|
||||
shouldThrow();
|
||||
} catch (NullPointerException success) {}
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(null PrivilegedAction) throws NPE
|
||||
*/
|
||||
public void testCallableNPE3() {
|
||||
try {
|
||||
Callable<?> unused = Executors.callable((PrivilegedAction) null);
|
||||
shouldThrow();
|
||||
} catch (NullPointerException success) {}
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(null PrivilegedExceptionAction) throws NPE
|
||||
*/
|
||||
public void testCallableNPE4() {
|
||||
try {
|
||||
Callable<?> unused = Executors.callable((PrivilegedExceptionAction) null);
|
||||
shouldThrow();
|
||||
} catch (NullPointerException success) {}
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(runnable, x).toString() contains toString of wrapped task
|
||||
*/
|
||||
public void testCallable_withResult_toString() {
|
||||
if (testImplementationDetails) {
|
||||
Runnable r = () -> {};
|
||||
Callable<String> c = Executors.callable(r, "");
|
||||
assertEquals(
|
||||
identityString(c) + "[Wrapped task = " + r.toString() + "]",
|
||||
c.toString());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* callable(runnable).toString() contains toString of wrapped task
|
||||
*/
|
||||
public void testCallable_toString() {
|
||||
if (testImplementationDetails) {
|
||||
Runnable r = () -> {};
|
||||
Callable<Object> c = Executors.callable(r);
|
||||
assertEquals(
|
||||
identityString(c) + "[Wrapped task = " + r.toString() + "]",
|
||||
c.toString());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* privilegedCallable
|
||||
*/
|
||||
@SuppressWarnings("removal")
|
||||
public void testPrivilegedCallable() throws Exception {
|
||||
Callable<String> c = () -> "";
|
||||
Callable<String> priv = Executors.privilegedCallable(c);
|
||||
assertEquals("", priv.call());
|
||||
}
|
||||
|
||||
/**
|
||||
* privilegedCallable(callable).toString() contains toString of wrapped task
|
||||
*/
|
||||
@SuppressWarnings("removal")
|
||||
public void testPrivilegedCallable_toString() {
|
||||
if (testImplementationDetails) {
|
||||
Callable<String> c = () -> "";
|
||||
Callable<String> priv = Executors.privilegedCallable(c);
|
||||
assertEquals(
|
||||
identityString(priv) + "[Wrapped task = " + c.toString() + "]",
|
||||
priv.toString());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* privilegedCallableUsingCurrentClassLoader(callable).toString()
|
||||
* contains toString of wrapped task
|
||||
*/
|
||||
@SuppressWarnings("removal")
|
||||
public void testPrivilegedCallableUsingCurrentClassLoader_toString() {
|
||||
if (testImplementationDetails) {
|
||||
Callable<String> c = () -> "";
|
||||
Callable<String> priv = Executors.privilegedCallableUsingCurrentClassLoader(c);
|
||||
assertEquals(
|
||||
identityString(priv) + "[Wrapped task = " + c.toString() + "]",
|
||||
priv.toString());
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue