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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/licenses/publicdomain |
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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 junit.framework.*; |
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import java.util.*; |
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.ObjectInputStream; |
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import java.io.ObjectOutputStream; |
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import java.util.Arrays; |
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import java.util.Date; |
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import java.util.NoSuchElementException; |
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import java.util.PropertyPermission; |
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import java.util.concurrent.*; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import java.util.concurrent.atomic.AtomicReference; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.io.*; |
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import java.security.*; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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import java.security.CodeSource; |
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import java.security.Permission; |
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import java.security.PermissionCollection; |
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import java.security.Permissions; |
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import java.security.Policy; |
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import java.security.ProtectionDomain; |
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import java.security.SecurityPermission; |
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|
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/** |
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* Base class for JSR166 Junit TCK tests. Defines some constants, |
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* <li> All assertions in code running in generated threads must use |
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* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
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* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
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* <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but not |
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* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
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* particularly recommended) for other code to use these forms too. |
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* Only the most typically used JUnit assertion methods are defined |
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* this way, but enough to live with.</li> |
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* |
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* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
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* to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within |
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* to invoke {@code super.setUp} and {@code super.tearDown} within |
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* them. These methods are used to clear and check for thread |
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* assertion failures.</li> |
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* |
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* <li>All delays and timeouts must use one of the constants <tt> |
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* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>, |
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* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always |
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* <li>All delays and timeouts must use one of the constants {@code |
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* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
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* {@code LONG_DELAY_MS}. The idea here is that a SHORT is always |
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* discriminable from zero time, and always allows enough time for the |
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* small amounts of computation (creating a thread, calling a few |
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* methods, etc) needed to reach a timeout point. Similarly, a SMALL |
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* in one spot to rerun tests on slower platforms.</li> |
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* |
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* <li> All threads generated must be joined inside each test case |
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* method (or <tt>fail</tt> to do so) before returning from the |
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* method. The <tt> joinPool</tt> method can be used to do this when |
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* method (or {@code fail} to do so) before returning from the |
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* method. The {@code joinPool} method can be used to do this when |
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* using Executors.</li> |
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* |
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* </ol> |
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* any particular package to simplify things for people integrating |
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* them in TCK test suites.</li> |
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* |
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* <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase) |
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* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
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* runs all JSR166 unit tests.</li> |
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* |
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* </ul> |
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*/ |
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public class JSR166TestCase extends TestCase { |
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private static final boolean useSecurityManager = |
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Boolean.getBoolean("jsr166.useSecurityManager"); |
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|
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protected static final boolean expensiveTests = |
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Boolean.getBoolean("jsr166.expensiveTests"); |
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|
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/** |
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* If true, report on stdout all "slow" tests, that is, ones that |
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* take more than profileThreshold milliseconds to execute. |
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*/ |
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private static final boolean profileTests = |
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Boolean.getBoolean("jsr166.profileTests"); |
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|
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/** |
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* The number of milliseconds that tests are permitted for |
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* execution without being reported, when profileTests is set. |
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*/ |
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private static final long profileThreshold = |
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Long.getLong("jsr166.profileThreshold", 100); |
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|
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protected void runTest() throws Throwable { |
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if (profileTests) |
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runTestProfiled(); |
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else |
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super.runTest(); |
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} |
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|
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protected void runTestProfiled() throws Throwable { |
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long t0 = System.nanoTime(); |
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try { |
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super.runTest(); |
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} finally { |
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long elapsedMillis = |
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(System.nanoTime() - t0) / (1000L * 1000L); |
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if (elapsedMillis >= profileThreshold) |
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System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
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} |
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} |
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|
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/** |
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* Runs all JSR166 unit tests using junit.textui.TestRunner |
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*/ |
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public static void main(String[] args) { |
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int iters = 1; |
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if (args.length > 0) |
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iters = Integer.parseInt(args[0]); |
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if (useSecurityManager) { |
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System.err.println("Setting a permissive security manager"); |
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Policy.setPolicy(permissivePolicy()); |
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System.setSecurityManager(new SecurityManager()); |
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} |
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int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
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|
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Test s = suite(); |
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for (int i = 0; i < iters; ++i) { |
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junit.textui.TestRunner.run(s); |
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System.exit(0); |
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} |
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|
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public static TestSuite newTestSuite(Object... suiteOrClasses) { |
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TestSuite suite = new TestSuite(); |
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for (Object suiteOrClass : suiteOrClasses) { |
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if (suiteOrClass instanceof TestSuite) |
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suite.addTest((TestSuite) suiteOrClass); |
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else if (suiteOrClass instanceof Class) |
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suite.addTest(new TestSuite((Class<?>) suiteOrClass)); |
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else |
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throw new ClassCastException("not a test suite or class"); |
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} |
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return suite; |
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} |
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|
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/** |
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* Collects all JSR166 unit tests as one suite |
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* Collects all JSR166 unit tests as one suite. |
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*/ |
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public static Test suite() { |
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TestSuite suite = new TestSuite("JSR166 Unit Tests"); |
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|
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suite.addTest(new TestSuite(ForkJoinPoolTest.class)); |
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suite.addTest(new TestSuite(ForkJoinTaskTest.class)); |
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< |
suite.addTest(new TestSuite(RecursiveActionTest.class)); |
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< |
suite.addTest(new TestSuite(RecursiveTaskTest.class)); |
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suite.addTest(new TestSuite(LinkedTransferQueueTest.class)); |
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suite.addTest(new TestSuite(PhaserTest.class)); |
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suite.addTest(new TestSuite(ThreadLocalRandomTest.class)); |
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suite.addTest(new TestSuite(AbstractExecutorServiceTest.class)); |
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suite.addTest(new TestSuite(AbstractQueueTest.class)); |
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suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class)); |
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suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class)); |
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suite.addTest(new TestSuite(ArrayBlockingQueueTest.class)); |
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suite.addTest(new TestSuite(ArrayDequeTest.class)); |
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suite.addTest(new TestSuite(AtomicBooleanTest.class)); |
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suite.addTest(new TestSuite(AtomicIntegerArrayTest.class)); |
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suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class)); |
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suite.addTest(new TestSuite(AtomicIntegerTest.class)); |
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suite.addTest(new TestSuite(AtomicLongArrayTest.class)); |
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suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class)); |
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suite.addTest(new TestSuite(AtomicLongTest.class)); |
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suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class)); |
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suite.addTest(new TestSuite(AtomicReferenceArrayTest.class)); |
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suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class)); |
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suite.addTest(new TestSuite(AtomicReferenceTest.class)); |
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suite.addTest(new TestSuite(AtomicStampedReferenceTest.class)); |
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suite.addTest(new TestSuite(ConcurrentHashMapTest.class)); |
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suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class)); |
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suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class)); |
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suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class)); |
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suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class)); |
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suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class)); |
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suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class)); |
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suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class)); |
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suite.addTest(new TestSuite(CountDownLatchTest.class)); |
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suite.addTest(new TestSuite(CyclicBarrierTest.class)); |
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suite.addTest(new TestSuite(DelayQueueTest.class)); |
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suite.addTest(new TestSuite(EntryTest.class)); |
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suite.addTest(new TestSuite(ExchangerTest.class)); |
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< |
suite.addTest(new TestSuite(ExecutorsTest.class)); |
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< |
suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class)); |
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< |
suite.addTest(new TestSuite(FutureTaskTest.class)); |
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suite.addTest(new TestSuite(LinkedBlockingDequeTest.class)); |
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< |
suite.addTest(new TestSuite(LinkedBlockingQueueTest.class)); |
226 |
< |
suite.addTest(new TestSuite(LinkedListTest.class)); |
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< |
suite.addTest(new TestSuite(LockSupportTest.class)); |
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< |
suite.addTest(new TestSuite(PriorityBlockingQueueTest.class)); |
229 |
< |
suite.addTest(new TestSuite(PriorityQueueTest.class)); |
230 |
< |
suite.addTest(new TestSuite(ReentrantLockTest.class)); |
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< |
suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class)); |
232 |
< |
suite.addTest(new TestSuite(ScheduledExecutorTest.class)); |
233 |
< |
suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class)); |
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< |
suite.addTest(new TestSuite(SemaphoreTest.class)); |
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< |
suite.addTest(new TestSuite(SynchronousQueueTest.class)); |
236 |
< |
suite.addTest(new TestSuite(SystemTest.class)); |
237 |
< |
suite.addTest(new TestSuite(ThreadLocalTest.class)); |
238 |
< |
suite.addTest(new TestSuite(ThreadPoolExecutorTest.class)); |
239 |
< |
suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class)); |
240 |
< |
suite.addTest(new TestSuite(ThreadTest.class)); |
241 |
< |
suite.addTest(new TestSuite(TimeUnitTest.class)); |
242 |
< |
suite.addTest(new TestSuite(TreeMapTest.class)); |
243 |
< |
suite.addTest(new TestSuite(TreeSetTest.class)); |
244 |
< |
suite.addTest(new TestSuite(TreeSubMapTest.class)); |
245 |
< |
suite.addTest(new TestSuite(TreeSubSetTest.class)); |
175 |
< |
|
176 |
< |
return suite; |
181 |
> |
return newTestSuite( |
182 |
> |
ForkJoinPoolTest.suite(), |
183 |
> |
ForkJoinTaskTest.suite(), |
184 |
> |
RecursiveActionTest.suite(), |
185 |
> |
RecursiveTaskTest.suite(), |
186 |
> |
LinkedTransferQueueTest.suite(), |
187 |
> |
PhaserTest.suite(), |
188 |
> |
ThreadLocalRandomTest.suite(), |
189 |
> |
AbstractExecutorServiceTest.suite(), |
190 |
> |
AbstractQueueTest.suite(), |
191 |
> |
AbstractQueuedSynchronizerTest.suite(), |
192 |
> |
AbstractQueuedLongSynchronizerTest.suite(), |
193 |
> |
ArrayBlockingQueueTest.suite(), |
194 |
> |
ArrayDequeTest.suite(), |
195 |
> |
AtomicBooleanTest.suite(), |
196 |
> |
AtomicIntegerArrayTest.suite(), |
197 |
> |
AtomicIntegerFieldUpdaterTest.suite(), |
198 |
> |
AtomicIntegerTest.suite(), |
199 |
> |
AtomicLongArrayTest.suite(), |
200 |
> |
AtomicLongFieldUpdaterTest.suite(), |
201 |
> |
AtomicLongTest.suite(), |
202 |
> |
AtomicMarkableReferenceTest.suite(), |
203 |
> |
AtomicReferenceArrayTest.suite(), |
204 |
> |
AtomicReferenceFieldUpdaterTest.suite(), |
205 |
> |
AtomicReferenceTest.suite(), |
206 |
> |
AtomicStampedReferenceTest.suite(), |
207 |
> |
ConcurrentHashMapTest.suite(), |
208 |
> |
ConcurrentLinkedDequeTest.suite(), |
209 |
> |
ConcurrentLinkedQueueTest.suite(), |
210 |
> |
ConcurrentSkipListMapTest.suite(), |
211 |
> |
ConcurrentSkipListSubMapTest.suite(), |
212 |
> |
ConcurrentSkipListSetTest.suite(), |
213 |
> |
ConcurrentSkipListSubSetTest.suite(), |
214 |
> |
CopyOnWriteArrayListTest.suite(), |
215 |
> |
CopyOnWriteArraySetTest.suite(), |
216 |
> |
CountDownLatchTest.suite(), |
217 |
> |
CyclicBarrierTest.suite(), |
218 |
> |
DelayQueueTest.suite(), |
219 |
> |
EntryTest.suite(), |
220 |
> |
ExchangerTest.suite(), |
221 |
> |
ExecutorsTest.suite(), |
222 |
> |
ExecutorCompletionServiceTest.suite(), |
223 |
> |
FutureTaskTest.suite(), |
224 |
> |
LinkedBlockingDequeTest.suite(), |
225 |
> |
LinkedBlockingQueueTest.suite(), |
226 |
> |
LinkedListTest.suite(), |
227 |
> |
LockSupportTest.suite(), |
228 |
> |
PriorityBlockingQueueTest.suite(), |
229 |
> |
PriorityQueueTest.suite(), |
230 |
> |
ReentrantLockTest.suite(), |
231 |
> |
ReentrantReadWriteLockTest.suite(), |
232 |
> |
ScheduledExecutorTest.suite(), |
233 |
> |
ScheduledExecutorSubclassTest.suite(), |
234 |
> |
SemaphoreTest.suite(), |
235 |
> |
SynchronousQueueTest.suite(), |
236 |
> |
SystemTest.suite(), |
237 |
> |
ThreadLocalTest.suite(), |
238 |
> |
ThreadPoolExecutorTest.suite(), |
239 |
> |
ThreadPoolExecutorSubclassTest.suite(), |
240 |
> |
ThreadTest.suite(), |
241 |
> |
TimeUnitTest.suite(), |
242 |
> |
TreeMapTest.suite(), |
243 |
> |
TreeSetTest.suite(), |
244 |
> |
TreeSubMapTest.suite(), |
245 |
> |
TreeSubSetTest.suite()); |
246 |
|
} |
247 |
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|
248 |
|
|
260 |
|
return 50; |
261 |
|
} |
262 |
|
|
194 |
– |
|
263 |
|
/** |
264 |
|
* Sets delays as multiples of SHORT_DELAY. |
265 |
|
*/ |
266 |
|
protected void setDelays() { |
267 |
|
SHORT_DELAY_MS = getShortDelay(); |
268 |
< |
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
268 |
> |
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
269 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
270 |
< |
LONG_DELAY_MS = SHORT_DELAY_MS * 50; |
270 |
> |
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
271 |
> |
} |
272 |
> |
|
273 |
> |
/** |
274 |
> |
* Returns a timeout in milliseconds to be used in tests that |
275 |
> |
* verify that operations block or time out. |
276 |
> |
*/ |
277 |
> |
long timeoutMillis() { |
278 |
> |
return SHORT_DELAY_MS / 4; |
279 |
|
} |
280 |
|
|
281 |
|
/** |
282 |
< |
* Flag set true if any threadAssert methods fail |
282 |
> |
* Returns a new Date instance representing a time delayMillis |
283 |
> |
* milliseconds in the future. |
284 |
|
*/ |
285 |
< |
volatile boolean threadFailed; |
285 |
> |
Date delayedDate(long delayMillis) { |
286 |
> |
return new Date(System.currentTimeMillis() + delayMillis); |
287 |
> |
} |
288 |
|
|
289 |
|
/** |
290 |
< |
* Initializes test to indicate that no thread assertions have failed |
290 |
> |
* The first exception encountered if any threadAssertXXX method fails. |
291 |
|
*/ |
292 |
+ |
private final AtomicReference<Throwable> threadFailure |
293 |
+ |
= new AtomicReference<Throwable>(null); |
294 |
+ |
|
295 |
+ |
/** |
296 |
+ |
* Records an exception so that it can be rethrown later in the test |
297 |
+ |
* harness thread, triggering a test case failure. Only the first |
298 |
+ |
* failure is recorded; subsequent calls to this method from within |
299 |
+ |
* the same test have no effect. |
300 |
+ |
*/ |
301 |
+ |
public void threadRecordFailure(Throwable t) { |
302 |
+ |
threadFailure.compareAndSet(null, t); |
303 |
+ |
} |
304 |
+ |
|
305 |
|
public void setUp() { |
306 |
|
setDelays(); |
215 |
– |
threadFailed = false; |
307 |
|
} |
308 |
|
|
309 |
|
/** |
310 |
< |
* Triggers test case failure if any thread assertions have failed |
311 |
< |
*/ |
312 |
< |
public void tearDown() { |
313 |
< |
assertFalse(threadFailed); |
310 |
> |
* Extra checks that get done for all test cases. |
311 |
> |
* |
312 |
> |
* Triggers test case failure if any thread assertions have failed, |
313 |
> |
* by rethrowing, in the test harness thread, any exception recorded |
314 |
> |
* earlier by threadRecordFailure. |
315 |
> |
* |
316 |
> |
* Triggers test case failure if interrupt status is set in the main thread. |
317 |
> |
*/ |
318 |
> |
public void tearDown() throws Exception { |
319 |
> |
Throwable t = threadFailure.getAndSet(null); |
320 |
> |
if (t != null) { |
321 |
> |
if (t instanceof Error) |
322 |
> |
throw (Error) t; |
323 |
> |
else if (t instanceof RuntimeException) |
324 |
> |
throw (RuntimeException) t; |
325 |
> |
else if (t instanceof Exception) |
326 |
> |
throw (Exception) t; |
327 |
> |
else { |
328 |
> |
AssertionFailedError afe = |
329 |
> |
new AssertionFailedError(t.toString()); |
330 |
> |
afe.initCause(t); |
331 |
> |
throw afe; |
332 |
> |
} |
333 |
> |
} |
334 |
> |
|
335 |
> |
if (Thread.interrupted()) |
336 |
> |
throw new AssertionFailedError("interrupt status set in main thread"); |
337 |
|
} |
338 |
|
|
339 |
|
/** |
340 |
< |
* Fail, also setting status to indicate current testcase should fail |
340 |
> |
* Just like fail(reason), but additionally recording (using |
341 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
342 |
> |
* the current testcase will fail. |
343 |
|
*/ |
344 |
|
public void threadFail(String reason) { |
345 |
< |
threadFailed = true; |
346 |
< |
fail(reason); |
345 |
> |
try { |
346 |
> |
fail(reason); |
347 |
> |
} catch (AssertionFailedError t) { |
348 |
> |
threadRecordFailure(t); |
349 |
> |
fail(reason); |
350 |
> |
} |
351 |
|
} |
352 |
|
|
353 |
|
/** |
354 |
< |
* If expression not true, set status to indicate current testcase |
355 |
< |
* should fail |
354 |
> |
* Just like assertTrue(b), but additionally recording (using |
355 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
356 |
> |
* the current testcase will fail. |
357 |
|
*/ |
358 |
|
public void threadAssertTrue(boolean b) { |
359 |
< |
if (!b) { |
239 |
< |
threadFailed = true; |
359 |
> |
try { |
360 |
|
assertTrue(b); |
361 |
+ |
} catch (AssertionFailedError t) { |
362 |
+ |
threadRecordFailure(t); |
363 |
+ |
throw t; |
364 |
|
} |
365 |
|
} |
366 |
|
|
367 |
|
/** |
368 |
< |
* If expression not false, set status to indicate current testcase |
369 |
< |
* should fail |
368 |
> |
* Just like assertFalse(b), but additionally recording (using |
369 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
370 |
> |
* the current testcase will fail. |
371 |
|
*/ |
372 |
|
public void threadAssertFalse(boolean b) { |
373 |
< |
if (b) { |
250 |
< |
threadFailed = true; |
373 |
> |
try { |
374 |
|
assertFalse(b); |
375 |
+ |
} catch (AssertionFailedError t) { |
376 |
+ |
threadRecordFailure(t); |
377 |
+ |
throw t; |
378 |
|
} |
379 |
|
} |
380 |
|
|
381 |
|
/** |
382 |
< |
* If argument not null, set status to indicate current testcase |
383 |
< |
* should fail |
382 |
> |
* Just like assertNull(x), but additionally recording (using |
383 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
384 |
> |
* the current testcase will fail. |
385 |
|
*/ |
386 |
|
public void threadAssertNull(Object x) { |
387 |
< |
if (x != null) { |
261 |
< |
threadFailed = true; |
387 |
> |
try { |
388 |
|
assertNull(x); |
389 |
+ |
} catch (AssertionFailedError t) { |
390 |
+ |
threadRecordFailure(t); |
391 |
+ |
throw t; |
392 |
|
} |
393 |
|
} |
394 |
|
|
395 |
|
/** |
396 |
< |
* If arguments not equal, set status to indicate current testcase |
397 |
< |
* should fail |
396 |
> |
* Just like assertEquals(x, y), but additionally recording (using |
397 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
398 |
> |
* the current testcase will fail. |
399 |
|
*/ |
400 |
|
public void threadAssertEquals(long x, long y) { |
401 |
< |
if (x != y) { |
272 |
< |
threadFailed = true; |
401 |
> |
try { |
402 |
|
assertEquals(x, y); |
403 |
+ |
} catch (AssertionFailedError t) { |
404 |
+ |
threadRecordFailure(t); |
405 |
+ |
throw t; |
406 |
|
} |
407 |
|
} |
408 |
|
|
409 |
|
/** |
410 |
< |
* If arguments not equal, set status to indicate current testcase |
411 |
< |
* should fail |
410 |
> |
* Just like assertEquals(x, y), but additionally recording (using |
411 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
412 |
> |
* the current testcase will fail. |
413 |
|
*/ |
414 |
|
public void threadAssertEquals(Object x, Object y) { |
415 |
< |
if (x != y && (x == null || !x.equals(y))) { |
283 |
< |
threadFailed = true; |
415 |
> |
try { |
416 |
|
assertEquals(x, y); |
417 |
+ |
} catch (AssertionFailedError t) { |
418 |
+ |
threadRecordFailure(t); |
419 |
+ |
throw t; |
420 |
+ |
} catch (Throwable t) { |
421 |
+ |
threadUnexpectedException(t); |
422 |
|
} |
423 |
|
} |
424 |
|
|
425 |
|
/** |
426 |
< |
* threadFail with message "should throw exception" |
426 |
> |
* Just like assertSame(x, y), but additionally recording (using |
427 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
428 |
> |
* the current testcase will fail. |
429 |
> |
*/ |
430 |
> |
public void threadAssertSame(Object x, Object y) { |
431 |
> |
try { |
432 |
> |
assertSame(x, y); |
433 |
> |
} catch (AssertionFailedError t) { |
434 |
> |
threadRecordFailure(t); |
435 |
> |
throw t; |
436 |
> |
} |
437 |
> |
} |
438 |
> |
|
439 |
> |
/** |
440 |
> |
* Calls threadFail with message "should throw exception". |
441 |
|
*/ |
442 |
|
public void threadShouldThrow() { |
443 |
< |
threadFailed = true; |
293 |
< |
fail("should throw exception"); |
443 |
> |
threadFail("should throw exception"); |
444 |
|
} |
445 |
|
|
446 |
|
/** |
447 |
< |
* threadFail with message "should throw" + exceptionName |
447 |
> |
* Calls threadFail with message "should throw" + exceptionName. |
448 |
|
*/ |
449 |
|
public void threadShouldThrow(String exceptionName) { |
450 |
< |
threadFailed = true; |
301 |
< |
fail("should throw " + exceptionName); |
450 |
> |
threadFail("should throw " + exceptionName); |
451 |
|
} |
452 |
|
|
453 |
|
/** |
454 |
< |
* threadFail with message "Unexpected exception" |
454 |
> |
* Records the given exception using {@link #threadRecordFailure}, |
455 |
> |
* then rethrows the exception, wrapping it in an |
456 |
> |
* AssertionFailedError if necessary. |
457 |
|
*/ |
458 |
< |
public void threadUnexpectedException() { |
459 |
< |
threadFailed = true; |
460 |
< |
fail("Unexpected exception"); |
458 |
> |
public void threadUnexpectedException(Throwable t) { |
459 |
> |
threadRecordFailure(t); |
460 |
> |
t.printStackTrace(); |
461 |
> |
if (t instanceof RuntimeException) |
462 |
> |
throw (RuntimeException) t; |
463 |
> |
else if (t instanceof Error) |
464 |
> |
throw (Error) t; |
465 |
> |
else { |
466 |
> |
AssertionFailedError afe = |
467 |
> |
new AssertionFailedError("unexpected exception: " + t); |
468 |
> |
afe.initCause(t); |
469 |
> |
throw afe; |
470 |
> |
} |
471 |
|
} |
472 |
|
|
473 |
|
/** |
474 |
< |
* threadFail with message "Unexpected exception", with argument |
474 |
> |
* Delays, via Thread.sleep, for the given millisecond delay, but |
475 |
> |
* if the sleep is shorter than specified, may re-sleep or yield |
476 |
> |
* until time elapses. |
477 |
|
*/ |
478 |
< |
public void threadUnexpectedException(Throwable ex) { |
479 |
< |
threadFailed = true; |
480 |
< |
ex.printStackTrace(); |
481 |
< |
fail("Unexpected exception: " + ex); |
478 |
> |
static void delay(long millis) throws InterruptedException { |
479 |
> |
long startTime = System.nanoTime(); |
480 |
> |
long ns = millis * 1000 * 1000; |
481 |
> |
for (;;) { |
482 |
> |
if (millis > 0L) |
483 |
> |
Thread.sleep(millis); |
484 |
> |
else // too short to sleep |
485 |
> |
Thread.yield(); |
486 |
> |
long d = ns - (System.nanoTime() - startTime); |
487 |
> |
if (d > 0L) |
488 |
> |
millis = d / (1000 * 1000); |
489 |
> |
else |
490 |
> |
break; |
491 |
> |
} |
492 |
|
} |
493 |
|
|
494 |
|
/** |
495 |
< |
* Wait out termination of a thread pool or fail doing so |
495 |
> |
* Waits out termination of a thread pool or fails doing so. |
496 |
|
*/ |
497 |
< |
public void joinPool(ExecutorService exec) { |
497 |
> |
void joinPool(ExecutorService exec) { |
498 |
|
try { |
499 |
|
exec.shutdown(); |
500 |
< |
assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
500 |
> |
assertTrue("ExecutorService did not terminate in a timely manner", |
501 |
> |
exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)); |
502 |
|
} catch (SecurityException ok) { |
503 |
|
// Allowed in case test doesn't have privs |
504 |
|
} catch (InterruptedException ie) { |
506 |
|
} |
507 |
|
} |
508 |
|
|
509 |
+ |
/** |
510 |
+ |
* Checks that thread does not terminate within the default |
511 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
512 |
+ |
*/ |
513 |
+ |
void assertThreadStaysAlive(Thread thread) { |
514 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
515 |
+ |
} |
516 |
|
|
517 |
|
/** |
518 |
< |
* fail with message "should throw exception" |
518 |
> |
* Checks that thread does not terminate within the given millisecond delay. |
519 |
|
*/ |
520 |
< |
public void shouldThrow() { |
521 |
< |
fail("Should throw exception"); |
520 |
> |
void assertThreadStaysAlive(Thread thread, long millis) { |
521 |
> |
try { |
522 |
> |
// No need to optimize the failing case via Thread.join. |
523 |
> |
delay(millis); |
524 |
> |
assertTrue(thread.isAlive()); |
525 |
> |
} catch (InterruptedException ie) { |
526 |
> |
fail("Unexpected InterruptedException"); |
527 |
> |
} |
528 |
|
} |
529 |
|
|
530 |
|
/** |
531 |
< |
* fail with message "should throw " + exceptionName |
531 |
> |
* Checks that future.get times out, with the default timeout of |
532 |
> |
* {@code timeoutMillis()}. |
533 |
|
*/ |
534 |
< |
public void shouldThrow(String exceptionName) { |
535 |
< |
fail("Should throw " + exceptionName); |
534 |
> |
void assertFutureTimesOut(Future future) { |
535 |
> |
assertFutureTimesOut(future, timeoutMillis()); |
536 |
|
} |
537 |
|
|
538 |
|
/** |
539 |
< |
* fail with message "Unexpected exception" |
539 |
> |
* Checks that future.get times out, with the given millisecond timeout. |
540 |
|
*/ |
541 |
< |
public void unexpectedException() { |
542 |
< |
fail("Unexpected exception"); |
541 |
> |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
542 |
> |
long startTime = System.nanoTime(); |
543 |
> |
try { |
544 |
> |
future.get(timeoutMillis, MILLISECONDS); |
545 |
> |
shouldThrow(); |
546 |
> |
} catch (TimeoutException success) { |
547 |
> |
} catch (Exception e) { |
548 |
> |
threadUnexpectedException(e); |
549 |
> |
} finally { future.cancel(true); } |
550 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
551 |
|
} |
552 |
|
|
553 |
|
/** |
554 |
< |
* fail with message "Unexpected exception", with argument |
554 |
> |
* Fails with message "should throw exception". |
555 |
|
*/ |
556 |
< |
public void unexpectedException(Throwable ex) { |
557 |
< |
ex.printStackTrace(); |
362 |
< |
fail("Unexpected exception: " + ex); |
556 |
> |
public void shouldThrow() { |
557 |
> |
fail("Should throw exception"); |
558 |
|
} |
559 |
|
|
560 |
+ |
/** |
561 |
+ |
* Fails with message "should throw " + exceptionName. |
562 |
+ |
*/ |
563 |
+ |
public void shouldThrow(String exceptionName) { |
564 |
+ |
fail("Should throw " + exceptionName); |
565 |
+ |
} |
566 |
|
|
567 |
|
/** |
568 |
|
* The number of elements to place in collections, arrays, etc. |
569 |
|
*/ |
570 |
< |
static final int SIZE = 20; |
570 |
> |
public static final int SIZE = 20; |
571 |
|
|
572 |
|
// Some convenient Integer constants |
573 |
|
|
574 |
< |
static final Integer zero = new Integer(0); |
575 |
< |
static final Integer one = new Integer(1); |
576 |
< |
static final Integer two = new Integer(2); |
577 |
< |
static final Integer three = new Integer(3); |
578 |
< |
static final Integer four = new Integer(4); |
579 |
< |
static final Integer five = new Integer(5); |
580 |
< |
static final Integer six = new Integer(6); |
581 |
< |
static final Integer seven = new Integer(7); |
582 |
< |
static final Integer eight = new Integer(8); |
583 |
< |
static final Integer nine = new Integer(9); |
584 |
< |
static final Integer m1 = new Integer(-1); |
585 |
< |
static final Integer m2 = new Integer(-2); |
586 |
< |
static final Integer m3 = new Integer(-3); |
587 |
< |
static final Integer m4 = new Integer(-4); |
588 |
< |
static final Integer m5 = new Integer(-5); |
589 |
< |
static final Integer m6 = new Integer(-6); |
590 |
< |
static final Integer m10 = new Integer(-10); |
574 |
> |
public static final Integer zero = new Integer(0); |
575 |
> |
public static final Integer one = new Integer(1); |
576 |
> |
public static final Integer two = new Integer(2); |
577 |
> |
public static final Integer three = new Integer(3); |
578 |
> |
public static final Integer four = new Integer(4); |
579 |
> |
public static final Integer five = new Integer(5); |
580 |
> |
public static final Integer six = new Integer(6); |
581 |
> |
public static final Integer seven = new Integer(7); |
582 |
> |
public static final Integer eight = new Integer(8); |
583 |
> |
public static final Integer nine = new Integer(9); |
584 |
> |
public static final Integer m1 = new Integer(-1); |
585 |
> |
public static final Integer m2 = new Integer(-2); |
586 |
> |
public static final Integer m3 = new Integer(-3); |
587 |
> |
public static final Integer m4 = new Integer(-4); |
588 |
> |
public static final Integer m5 = new Integer(-5); |
589 |
> |
public static final Integer m6 = new Integer(-6); |
590 |
> |
public static final Integer m10 = new Integer(-10); |
591 |
> |
|
592 |
> |
|
593 |
> |
/** |
594 |
> |
* Runs Runnable r with a security policy that permits precisely |
595 |
> |
* the specified permissions. If there is no current security |
596 |
> |
* manager, the runnable is run twice, both with and without a |
597 |
> |
* security manager. We require that any security manager permit |
598 |
> |
* getPolicy/setPolicy. |
599 |
> |
*/ |
600 |
> |
public void runWithPermissions(Runnable r, Permission... permissions) { |
601 |
> |
SecurityManager sm = System.getSecurityManager(); |
602 |
> |
if (sm == null) { |
603 |
> |
r.run(); |
604 |
> |
Policy savedPolicy = Policy.getPolicy(); |
605 |
> |
try { |
606 |
> |
Policy.setPolicy(permissivePolicy()); |
607 |
> |
System.setSecurityManager(new SecurityManager()); |
608 |
> |
runWithPermissions(r, permissions); |
609 |
> |
} finally { |
610 |
> |
System.setSecurityManager(null); |
611 |
> |
Policy.setPolicy(savedPolicy); |
612 |
> |
} |
613 |
> |
} else { |
614 |
> |
Policy savedPolicy = Policy.getPolicy(); |
615 |
> |
AdjustablePolicy policy = new AdjustablePolicy(permissions); |
616 |
> |
Policy.setPolicy(policy); |
617 |
> |
|
618 |
> |
try { |
619 |
> |
r.run(); |
620 |
> |
} finally { |
621 |
> |
policy.addPermission(new SecurityPermission("setPolicy")); |
622 |
> |
Policy.setPolicy(savedPolicy); |
623 |
> |
} |
624 |
> |
} |
625 |
> |
} |
626 |
|
|
627 |
+ |
/** |
628 |
+ |
* Runs a runnable without any permissions. |
629 |
+ |
*/ |
630 |
+ |
public void runWithoutPermissions(Runnable r) { |
631 |
+ |
runWithPermissions(r); |
632 |
+ |
} |
633 |
|
|
634 |
|
/** |
635 |
|
* A security policy where new permissions can be dynamically added |
636 |
|
* or all cleared. |
637 |
|
*/ |
638 |
< |
static class AdjustablePolicy extends java.security.Policy { |
638 |
> |
public static class AdjustablePolicy extends java.security.Policy { |
639 |
|
Permissions perms = new Permissions(); |
640 |
< |
AdjustablePolicy() { } |
640 |
> |
AdjustablePolicy(Permission... permissions) { |
641 |
> |
for (Permission permission : permissions) |
642 |
> |
perms.add(permission); |
643 |
> |
} |
644 |
|
void addPermission(Permission perm) { perms.add(perm); } |
645 |
|
void clearPermissions() { perms = new Permissions(); } |
646 |
|
public PermissionCollection getPermissions(CodeSource cs) { |
656 |
|
} |
657 |
|
|
658 |
|
/** |
659 |
< |
* Sleep until the timeout has elapsed, or interrupted. |
660 |
< |
* Does <em>NOT</em> throw InterruptedException. |
659 |
> |
* Returns a policy containing all the permissions we ever need. |
660 |
> |
*/ |
661 |
> |
public static Policy permissivePolicy() { |
662 |
> |
return new AdjustablePolicy |
663 |
> |
// Permissions j.u.c. needs directly |
664 |
> |
(new RuntimePermission("modifyThread"), |
665 |
> |
new RuntimePermission("getClassLoader"), |
666 |
> |
new RuntimePermission("setContextClassLoader"), |
667 |
> |
// Permissions needed to change permissions! |
668 |
> |
new SecurityPermission("getPolicy"), |
669 |
> |
new SecurityPermission("setPolicy"), |
670 |
> |
new RuntimePermission("setSecurityManager"), |
671 |
> |
// Permissions needed by the junit test harness |
672 |
> |
new RuntimePermission("accessDeclaredMembers"), |
673 |
> |
new PropertyPermission("*", "read"), |
674 |
> |
new java.io.FilePermission("<<ALL FILES>>", "read")); |
675 |
> |
} |
676 |
> |
|
677 |
> |
/** |
678 |
> |
* Sleeps until the given time has elapsed. |
679 |
> |
* Throws AssertionFailedError if interrupted. |
680 |
|
*/ |
681 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
681 |
> |
void sleep(long millis) { |
682 |
|
try { |
683 |
< |
Thread.sleep(timeoutMillis); |
684 |
< |
} catch (InterruptedException wakeup) {} |
683 |
> |
delay(millis); |
684 |
> |
} catch (InterruptedException ie) { |
685 |
> |
AssertionFailedError afe = |
686 |
> |
new AssertionFailedError("Unexpected InterruptedException"); |
687 |
> |
afe.initCause(ie); |
688 |
> |
throw afe; |
689 |
> |
} |
690 |
> |
} |
691 |
> |
|
692 |
> |
/** |
693 |
> |
* Waits up to the specified number of milliseconds for the given |
694 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
695 |
> |
*/ |
696 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
697 |
> |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
698 |
> |
long t0 = System.nanoTime(); |
699 |
> |
for (;;) { |
700 |
> |
Thread.State s = thread.getState(); |
701 |
> |
if (s == Thread.State.BLOCKED || |
702 |
> |
s == Thread.State.WAITING || |
703 |
> |
s == Thread.State.TIMED_WAITING) |
704 |
> |
return; |
705 |
> |
else if (s == Thread.State.TERMINATED) |
706 |
> |
fail("Unexpected thread termination"); |
707 |
> |
else if (System.nanoTime() - t0 > timeoutNanos) { |
708 |
> |
threadAssertTrue(thread.isAlive()); |
709 |
> |
return; |
710 |
> |
} |
711 |
> |
Thread.yield(); |
712 |
> |
} |
713 |
> |
} |
714 |
> |
|
715 |
> |
/** |
716 |
> |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
717 |
> |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
718 |
> |
*/ |
719 |
> |
void waitForThreadToEnterWaitState(Thread thread) { |
720 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
721 |
|
} |
722 |
|
|
723 |
|
/** |
724 |
< |
* Returns a new started Thread running the given runnable. |
724 |
> |
* Returns the number of milliseconds since time given by |
725 |
> |
* startNanoTime, which must have been previously returned from a |
726 |
> |
* call to {@link System.nanoTime()}. |
727 |
> |
*/ |
728 |
> |
long millisElapsedSince(long startNanoTime) { |
729 |
> |
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
730 |
> |
} |
731 |
> |
|
732 |
> |
/** |
733 |
> |
* Returns a new started daemon Thread running the given runnable. |
734 |
|
*/ |
735 |
|
Thread newStartedThread(Runnable runnable) { |
736 |
|
Thread t = new Thread(runnable); |
737 |
+ |
t.setDaemon(true); |
738 |
|
t.start(); |
739 |
|
return t; |
740 |
|
} |
741 |
|
|
742 |
+ |
/** |
743 |
+ |
* Waits for the specified time (in milliseconds) for the thread |
744 |
+ |
* to terminate (using {@link Thread#join(long)}), else interrupts |
745 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
746 |
+ |
*/ |
747 |
+ |
void awaitTermination(Thread t, long timeoutMillis) { |
748 |
+ |
try { |
749 |
+ |
t.join(timeoutMillis); |
750 |
+ |
} catch (InterruptedException ie) { |
751 |
+ |
threadUnexpectedException(ie); |
752 |
+ |
} finally { |
753 |
+ |
if (t.getState() != Thread.State.TERMINATED) { |
754 |
+ |
t.interrupt(); |
755 |
+ |
fail("Test timed out"); |
756 |
+ |
} |
757 |
+ |
} |
758 |
+ |
} |
759 |
+ |
|
760 |
+ |
/** |
761 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
762 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
763 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
764 |
+ |
*/ |
765 |
+ |
void awaitTermination(Thread t) { |
766 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
767 |
+ |
} |
768 |
+ |
|
769 |
|
// Some convenient Runnable classes |
770 |
|
|
771 |
< |
abstract class CheckedRunnable implements Runnable { |
772 |
< |
abstract void realRun() throws Throwable; |
771 |
> |
public abstract class CheckedRunnable implements Runnable { |
772 |
> |
protected abstract void realRun() throws Throwable; |
773 |
|
|
774 |
|
public final void run() { |
775 |
|
try { |
780 |
|
} |
781 |
|
} |
782 |
|
|
783 |
< |
abstract class RunnableShouldThrow implements Runnable { |
784 |
< |
abstract void realRun() throws Throwable; |
783 |
> |
public abstract class RunnableShouldThrow implements Runnable { |
784 |
> |
protected abstract void realRun() throws Throwable; |
785 |
|
|
786 |
|
final Class<?> exceptionClass; |
787 |
|
|
793 |
|
try { |
794 |
|
realRun(); |
795 |
|
threadShouldThrow(exceptionClass.getSimpleName()); |
459 |
– |
} catch (InterruptedException success) { |
796 |
|
} catch (Throwable t) { |
797 |
|
if (! exceptionClass.isInstance(t)) |
798 |
|
threadUnexpectedException(t); |
800 |
|
} |
801 |
|
} |
802 |
|
|
803 |
< |
abstract class ThreadShouldThrow extends Thread { |
804 |
< |
abstract void realRun() throws Throwable; |
803 |
> |
public abstract class ThreadShouldThrow extends Thread { |
804 |
> |
protected abstract void realRun() throws Throwable; |
805 |
|
|
806 |
|
final Class<?> exceptionClass; |
807 |
|
|
813 |
|
try { |
814 |
|
realRun(); |
815 |
|
threadShouldThrow(exceptionClass.getSimpleName()); |
480 |
– |
} catch (InterruptedException success) { |
816 |
|
} catch (Throwable t) { |
817 |
|
if (! exceptionClass.isInstance(t)) |
818 |
|
threadUnexpectedException(t); |
820 |
|
} |
821 |
|
} |
822 |
|
|
823 |
< |
abstract class CheckedInterruptedRunnable implements Runnable { |
824 |
< |
abstract void realRun() throws Throwable; |
823 |
> |
public abstract class CheckedInterruptedRunnable implements Runnable { |
824 |
> |
protected abstract void realRun() throws Throwable; |
825 |
|
|
826 |
|
public final void run() { |
827 |
|
try { |
828 |
|
realRun(); |
829 |
|
threadShouldThrow("InterruptedException"); |
830 |
|
} catch (InterruptedException success) { |
831 |
+ |
threadAssertFalse(Thread.interrupted()); |
832 |
|
} catch (Throwable t) { |
833 |
|
threadUnexpectedException(t); |
834 |
|
} |
835 |
|
} |
836 |
|
} |
837 |
|
|
838 |
< |
abstract class CheckedCallable<T> implements Callable<T> { |
839 |
< |
abstract T realCall() throws Throwable; |
838 |
> |
public abstract class CheckedCallable<T> implements Callable<T> { |
839 |
> |
protected abstract T realCall() throws Throwable; |
840 |
|
|
841 |
|
public final T call() { |
842 |
|
try { |
843 |
|
return realCall(); |
844 |
|
} catch (Throwable t) { |
845 |
|
threadUnexpectedException(t); |
846 |
+ |
return null; |
847 |
|
} |
511 |
– |
return null; |
848 |
|
} |
849 |
|
} |
850 |
|
|
851 |
< |
abstract class CheckedInterruptedCallable<T> implements Callable<T> { |
852 |
< |
abstract T realCall() throws Throwable; |
851 |
> |
public abstract class CheckedInterruptedCallable<T> |
852 |
> |
implements Callable<T> { |
853 |
> |
protected abstract T realCall() throws Throwable; |
854 |
|
|
855 |
|
public final T call() { |
856 |
|
try { |
858 |
|
threadShouldThrow("InterruptedException"); |
859 |
|
return result; |
860 |
|
} catch (InterruptedException success) { |
861 |
+ |
threadAssertFalse(Thread.interrupted()); |
862 |
|
} catch (Throwable t) { |
863 |
|
threadUnexpectedException(t); |
864 |
|
} |
866 |
|
} |
867 |
|
} |
868 |
|
|
869 |
< |
static class NoOpRunnable implements Runnable { |
869 |
> |
public static class NoOpRunnable implements Runnable { |
870 |
|
public void run() {} |
871 |
|
} |
872 |
|
|
873 |
< |
static class NoOpCallable implements Callable { |
873 |
> |
public static class NoOpCallable implements Callable { |
874 |
|
public Object call() { return Boolean.TRUE; } |
875 |
|
} |
876 |
|
|
877 |
< |
static final String TEST_STRING = "a test string"; |
877 |
> |
public static final String TEST_STRING = "a test string"; |
878 |
|
|
879 |
< |
static class StringTask implements Callable<String> { |
879 |
> |
public static class StringTask implements Callable<String> { |
880 |
|
public String call() { return TEST_STRING; } |
881 |
|
} |
882 |
|
|
883 |
< |
static class NPETask implements Callable<String> { |
883 |
> |
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
884 |
> |
return new CheckedCallable<String>() { |
885 |
> |
protected String realCall() { |
886 |
> |
try { |
887 |
> |
latch.await(); |
888 |
> |
} catch (InterruptedException quittingTime) {} |
889 |
> |
return TEST_STRING; |
890 |
> |
}}; |
891 |
> |
} |
892 |
> |
|
893 |
> |
public Runnable awaiter(final CountDownLatch latch) { |
894 |
> |
return new CheckedRunnable() { |
895 |
> |
public void realRun() throws InterruptedException { |
896 |
> |
await(latch); |
897 |
> |
}}; |
898 |
> |
} |
899 |
> |
|
900 |
> |
public void await(CountDownLatch latch) { |
901 |
> |
try { |
902 |
> |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
903 |
> |
} catch (Throwable t) { |
904 |
> |
threadUnexpectedException(t); |
905 |
> |
} |
906 |
> |
} |
907 |
> |
|
908 |
> |
// /** |
909 |
> |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
910 |
> |
// */ |
911 |
> |
// public void await(AtomicBoolean flag) { |
912 |
> |
// await(flag, LONG_DELAY_MS); |
913 |
> |
// } |
914 |
> |
|
915 |
> |
// /** |
916 |
> |
// * Spin-waits up to the specified timeout until flag becomes true. |
917 |
> |
// */ |
918 |
> |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
919 |
> |
// long startTime = System.nanoTime(); |
920 |
> |
// while (!flag.get()) { |
921 |
> |
// if (millisElapsedSince(startTime) > timeoutMillis) |
922 |
> |
// throw new AssertionFailedError("timed out"); |
923 |
> |
// Thread.yield(); |
924 |
> |
// } |
925 |
> |
// } |
926 |
> |
|
927 |
> |
public static class NPETask implements Callable<String> { |
928 |
|
public String call() { throw new NullPointerException(); } |
929 |
|
} |
930 |
|
|
931 |
< |
static class CallableOne implements Callable<Integer> { |
931 |
> |
public static class CallableOne implements Callable<Integer> { |
932 |
|
public Integer call() { return one; } |
933 |
|
} |
934 |
|
|
935 |
< |
class ShortRunnable extends CheckedRunnable { |
936 |
< |
void realRun() throws Throwable { |
937 |
< |
Thread.sleep(SHORT_DELAY_MS); |
935 |
> |
public class ShortRunnable extends CheckedRunnable { |
936 |
> |
protected void realRun() throws Throwable { |
937 |
> |
delay(SHORT_DELAY_MS); |
938 |
|
} |
939 |
|
} |
940 |
|
|
941 |
< |
class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
942 |
< |
void realRun() throws InterruptedException { |
943 |
< |
Thread.sleep(SHORT_DELAY_MS); |
941 |
> |
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
942 |
> |
protected void realRun() throws InterruptedException { |
943 |
> |
delay(SHORT_DELAY_MS); |
944 |
|
} |
945 |
|
} |
946 |
|
|
947 |
< |
class SmallRunnable extends CheckedRunnable { |
948 |
< |
void realRun() throws Throwable { |
949 |
< |
Thread.sleep(SMALL_DELAY_MS); |
947 |
> |
public class SmallRunnable extends CheckedRunnable { |
948 |
> |
protected void realRun() throws Throwable { |
949 |
> |
delay(SMALL_DELAY_MS); |
950 |
|
} |
951 |
|
} |
952 |
|
|
953 |
< |
class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
954 |
< |
void realRun() { |
953 |
> |
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
954 |
> |
protected void realRun() { |
955 |
|
try { |
956 |
< |
Thread.sleep(SMALL_DELAY_MS); |
956 |
> |
delay(SMALL_DELAY_MS); |
957 |
|
} catch (InterruptedException ok) {} |
958 |
|
} |
959 |
|
} |
960 |
|
|
961 |
< |
class SmallCallable extends CheckedCallable { |
962 |
< |
Object realCall() throws InterruptedException { |
963 |
< |
Thread.sleep(SMALL_DELAY_MS); |
961 |
> |
public class SmallCallable extends CheckedCallable { |
962 |
> |
protected Object realCall() throws InterruptedException { |
963 |
> |
delay(SMALL_DELAY_MS); |
964 |
|
return Boolean.TRUE; |
965 |
|
} |
966 |
|
} |
967 |
|
|
968 |
< |
class SmallInterruptedRunnable extends CheckedInterruptedRunnable { |
969 |
< |
void realRun() throws InterruptedException { |
970 |
< |
Thread.sleep(SMALL_DELAY_MS); |
968 |
> |
public class MediumRunnable extends CheckedRunnable { |
969 |
> |
protected void realRun() throws Throwable { |
970 |
> |
delay(MEDIUM_DELAY_MS); |
971 |
|
} |
972 |
|
} |
973 |
|
|
974 |
< |
class MediumRunnable extends CheckedRunnable { |
975 |
< |
void realRun() throws Throwable { |
976 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
974 |
> |
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
975 |
> |
protected void realRun() throws InterruptedException { |
976 |
> |
delay(MEDIUM_DELAY_MS); |
977 |
|
} |
978 |
|
} |
979 |
|
|
980 |
< |
class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
981 |
< |
void realRun() throws InterruptedException { |
982 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
983 |
< |
} |
980 |
> |
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
981 |
> |
return new CheckedRunnable() { |
982 |
> |
protected void realRun() { |
983 |
> |
try { |
984 |
> |
delay(timeoutMillis); |
985 |
> |
} catch (InterruptedException ok) {} |
986 |
> |
}}; |
987 |
|
} |
988 |
|
|
989 |
< |
class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
990 |
< |
void realRun() { |
989 |
> |
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
990 |
> |
protected void realRun() { |
991 |
|
try { |
992 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
992 |
> |
delay(MEDIUM_DELAY_MS); |
993 |
|
} catch (InterruptedException ok) {} |
994 |
|
} |
995 |
|
} |
996 |
|
|
997 |
< |
class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
998 |
< |
void realRun() { |
997 |
> |
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
998 |
> |
protected void realRun() { |
999 |
|
try { |
1000 |
< |
Thread.sleep(LONG_DELAY_MS); |
1000 |
> |
delay(LONG_DELAY_MS); |
1001 |
|
} catch (InterruptedException ok) {} |
1002 |
|
} |
1003 |
|
} |
1005 |
|
/** |
1006 |
|
* For use as ThreadFactory in constructors |
1007 |
|
*/ |
1008 |
< |
static class SimpleThreadFactory implements ThreadFactory { |
1008 |
> |
public static class SimpleThreadFactory implements ThreadFactory { |
1009 |
|
public Thread newThread(Runnable r) { |
1010 |
|
return new Thread(r); |
1011 |
|
} |
1012 |
|
} |
1013 |
|
|
1014 |
< |
static class TrackedShortRunnable implements Runnable { |
1015 |
< |
volatile boolean done = false; |
1014 |
> |
public interface TrackedRunnable extends Runnable { |
1015 |
> |
boolean isDone(); |
1016 |
> |
} |
1017 |
> |
|
1018 |
> |
public static TrackedRunnable trackedRunnable(final long timeoutMillis) { |
1019 |
> |
return new TrackedRunnable() { |
1020 |
> |
private volatile boolean done = false; |
1021 |
> |
public boolean isDone() { return done; } |
1022 |
> |
public void run() { |
1023 |
> |
try { |
1024 |
> |
delay(timeoutMillis); |
1025 |
> |
done = true; |
1026 |
> |
} catch (InterruptedException ok) {} |
1027 |
> |
} |
1028 |
> |
}; |
1029 |
> |
} |
1030 |
> |
|
1031 |
> |
public static class TrackedShortRunnable implements Runnable { |
1032 |
> |
public volatile boolean done = false; |
1033 |
|
public void run() { |
1034 |
|
try { |
1035 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1035 |
> |
delay(SHORT_DELAY_MS); |
1036 |
|
done = true; |
1037 |
|
} catch (InterruptedException ok) {} |
1038 |
|
} |
1039 |
|
} |
1040 |
|
|
1041 |
< |
static class TrackedMediumRunnable implements Runnable { |
1042 |
< |
volatile boolean done = false; |
1041 |
> |
public static class TrackedSmallRunnable implements Runnable { |
1042 |
> |
public volatile boolean done = false; |
1043 |
|
public void run() { |
1044 |
|
try { |
1045 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1045 |
> |
delay(SMALL_DELAY_MS); |
1046 |
|
done = true; |
1047 |
|
} catch (InterruptedException ok) {} |
1048 |
|
} |
1049 |
|
} |
1050 |
|
|
1051 |
< |
static class TrackedLongRunnable implements Runnable { |
1052 |
< |
volatile boolean done = false; |
1051 |
> |
public static class TrackedMediumRunnable implements Runnable { |
1052 |
> |
public volatile boolean done = false; |
1053 |
|
public void run() { |
1054 |
|
try { |
1055 |
< |
Thread.sleep(LONG_DELAY_MS); |
1055 |
> |
delay(MEDIUM_DELAY_MS); |
1056 |
|
done = true; |
1057 |
|
} catch (InterruptedException ok) {} |
1058 |
|
} |
1059 |
|
} |
1060 |
|
|
1061 |
< |
static class TrackedNoOpRunnable implements Runnable { |
1062 |
< |
volatile boolean done = false; |
1061 |
> |
public static class TrackedLongRunnable implements Runnable { |
1062 |
> |
public volatile boolean done = false; |
1063 |
> |
public void run() { |
1064 |
> |
try { |
1065 |
> |
delay(LONG_DELAY_MS); |
1066 |
> |
done = true; |
1067 |
> |
} catch (InterruptedException ok) {} |
1068 |
> |
} |
1069 |
> |
} |
1070 |
> |
|
1071 |
> |
public static class TrackedNoOpRunnable implements Runnable { |
1072 |
> |
public volatile boolean done = false; |
1073 |
|
public void run() { |
1074 |
|
done = true; |
1075 |
|
} |
1076 |
|
} |
1077 |
|
|
1078 |
< |
static class TrackedCallable implements Callable { |
1079 |
< |
volatile boolean done = false; |
1078 |
> |
public static class TrackedCallable implements Callable { |
1079 |
> |
public volatile boolean done = false; |
1080 |
|
public Object call() { |
1081 |
|
try { |
1082 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1082 |
> |
delay(SMALL_DELAY_MS); |
1083 |
|
done = true; |
1084 |
|
} catch (InterruptedException ok) {} |
1085 |
|
return Boolean.TRUE; |
1086 |
|
} |
1087 |
|
} |
1088 |
|
|
1089 |
+ |
/** |
1090 |
+ |
* Analog of CheckedRunnable for RecursiveAction |
1091 |
+ |
*/ |
1092 |
+ |
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1093 |
+ |
protected abstract void realCompute() throws Throwable; |
1094 |
+ |
|
1095 |
+ |
public final void compute() { |
1096 |
+ |
try { |
1097 |
+ |
realCompute(); |
1098 |
+ |
} catch (Throwable t) { |
1099 |
+ |
threadUnexpectedException(t); |
1100 |
+ |
} |
1101 |
+ |
} |
1102 |
+ |
} |
1103 |
+ |
|
1104 |
+ |
/** |
1105 |
+ |
* Analog of CheckedCallable for RecursiveTask |
1106 |
+ |
*/ |
1107 |
+ |
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1108 |
+ |
protected abstract T realCompute() throws Throwable; |
1109 |
+ |
|
1110 |
+ |
public final T compute() { |
1111 |
+ |
try { |
1112 |
+ |
return realCompute(); |
1113 |
+ |
} catch (Throwable t) { |
1114 |
+ |
threadUnexpectedException(t); |
1115 |
+ |
return null; |
1116 |
+ |
} |
1117 |
+ |
} |
1118 |
+ |
} |
1119 |
|
|
1120 |
|
/** |
1121 |
|
* For use as RejectedExecutionHandler in constructors |
1122 |
|
*/ |
1123 |
< |
static class NoOpREHandler implements RejectedExecutionHandler { |
1123 |
> |
public static class NoOpREHandler implements RejectedExecutionHandler { |
1124 |
|
public void rejectedExecution(Runnable r, |
1125 |
|
ThreadPoolExecutor executor) {} |
1126 |
|
} |
1127 |
|
|
1128 |
+ |
/** |
1129 |
+ |
* A CyclicBarrier that uses timed await and fails with |
1130 |
+ |
* AssertionFailedErrors instead of throwing checked exceptions. |
1131 |
+ |
*/ |
1132 |
+ |
public class CheckedBarrier extends CyclicBarrier { |
1133 |
+ |
public CheckedBarrier(int parties) { super(parties); } |
1134 |
+ |
|
1135 |
+ |
public int await() { |
1136 |
+ |
try { |
1137 |
+ |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1138 |
+ |
} catch (TimeoutException e) { |
1139 |
+ |
throw new AssertionFailedError("timed out"); |
1140 |
+ |
} catch (Exception e) { |
1141 |
+ |
AssertionFailedError afe = |
1142 |
+ |
new AssertionFailedError("Unexpected exception: " + e); |
1143 |
+ |
afe.initCause(e); |
1144 |
+ |
throw afe; |
1145 |
+ |
} |
1146 |
+ |
} |
1147 |
+ |
} |
1148 |
+ |
|
1149 |
+ |
void checkEmpty(BlockingQueue q) { |
1150 |
+ |
try { |
1151 |
+ |
assertTrue(q.isEmpty()); |
1152 |
+ |
assertEquals(0, q.size()); |
1153 |
+ |
assertNull(q.peek()); |
1154 |
+ |
assertNull(q.poll()); |
1155 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
1156 |
+ |
assertEquals(q.toString(), "[]"); |
1157 |
+ |
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1158 |
+ |
assertFalse(q.iterator().hasNext()); |
1159 |
+ |
try { |
1160 |
+ |
q.element(); |
1161 |
+ |
shouldThrow(); |
1162 |
+ |
} catch (NoSuchElementException success) {} |
1163 |
+ |
try { |
1164 |
+ |
q.iterator().next(); |
1165 |
+ |
shouldThrow(); |
1166 |
+ |
} catch (NoSuchElementException success) {} |
1167 |
+ |
try { |
1168 |
+ |
q.remove(); |
1169 |
+ |
shouldThrow(); |
1170 |
+ |
} catch (NoSuchElementException success) {} |
1171 |
+ |
} catch (InterruptedException ie) { |
1172 |
+ |
threadUnexpectedException(ie); |
1173 |
+ |
} |
1174 |
+ |
} |
1175 |
+ |
|
1176 |
+ |
@SuppressWarnings("unchecked") |
1177 |
+ |
<T> T serialClone(T o) { |
1178 |
+ |
try { |
1179 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1180 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1181 |
+ |
oos.writeObject(o); |
1182 |
+ |
oos.flush(); |
1183 |
+ |
oos.close(); |
1184 |
+ |
ByteArrayInputStream bin = |
1185 |
+ |
new ByteArrayInputStream(bos.toByteArray()); |
1186 |
+ |
ObjectInputStream ois = new ObjectInputStream(bin); |
1187 |
+ |
return (T) ois.readObject(); |
1188 |
+ |
} catch (Throwable t) { |
1189 |
+ |
threadUnexpectedException(t); |
1190 |
+ |
return null; |
1191 |
+ |
} |
1192 |
+ |
} |
1193 |
|
} |