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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.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
12 |
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import java.io.ObjectInputStream; |
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import java.io.ObjectOutputStream; |
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import java.lang.management.ManagementFactory; |
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import java.lang.management.ThreadInfo; |
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import java.lang.reflect.Method; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Date; |
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import java.util.Enumeration; |
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import java.util.List; |
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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 static java.util.concurrent.TimeUnit.NANOSECONDS; |
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import java.util.regex.Pattern; |
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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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* |
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* </ol> |
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* |
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< |
* <p> <b>Other notes</b> |
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* <p><b>Other notes</b> |
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* <ul> |
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* |
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* <li> Usually, there is one testcase method per JSR166 method |
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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 |
120 |
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* take more than profileThreshold milliseconds to execute. |
121 |
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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. |
128 |
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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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/** |
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* Runs all JSR166 unit tests using junit.textui.TestRunner |
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* The number of repetitions per test (for tickling rare bugs). |
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*/ |
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private static final int runsPerTest = |
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Integer.getInteger("jsr166.runsPerTest", 1); |
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|
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/** |
139 |
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* A filter for tests to run, matching strings of the form |
140 |
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* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
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* Usefully combined with jsr166.runsPerTest. |
142 |
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*/ |
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private static final Pattern methodFilter = methodFilter(); |
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|
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private static Pattern methodFilter() { |
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String regex = System.getProperty("jsr166.methodFilter"); |
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return (regex == null) ? null : Pattern.compile(regex); |
148 |
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} |
149 |
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|
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protected void runTest() throws Throwable { |
151 |
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if (methodFilter == null |
152 |
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|| methodFilter.matcher(toString()).find()) { |
153 |
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for (int i = 0; i < runsPerTest; i++) { |
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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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} |
159 |
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} |
160 |
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} |
161 |
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|
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protected void runTestProfiled() throws Throwable { |
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long t0 = System.nanoTime(); |
164 |
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try { |
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super.runTest(); |
166 |
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} finally { |
167 |
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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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* Optional command line arg provides the number of iterations to |
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* repeat running the tests. |
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*/ |
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public static void main(String[] args) { |
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if (useSecurityManager) { |
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System.exit(0); |
194 |
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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(); |
198 |
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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; |
207 |
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} |
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|
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public static void addNamedTestClasses(TestSuite suite, |
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String... testClassNames) { |
211 |
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for (String testClassName : testClassNames) { |
212 |
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try { |
213 |
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Class<?> testClass = Class.forName(testClassName); |
214 |
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Method m = testClass.getDeclaredMethod("suite", |
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new Class<?>[0]); |
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suite.addTest(newTestSuite((Test)m.invoke(null))); |
217 |
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} catch (Exception e) { |
218 |
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throw new Error("Missing test class", e); |
219 |
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} |
220 |
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} |
221 |
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} |
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|
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public static final double JAVA_CLASS_VERSION; |
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static { |
225 |
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try { |
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JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
227 |
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new java.security.PrivilegedAction<Double>() { |
228 |
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public Double run() { |
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return Double.valueOf(System.getProperty("java.class.version"));}}); |
230 |
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} catch (Throwable t) { |
231 |
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throw new Error(t); |
232 |
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} |
233 |
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} |
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|
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public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
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public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
237 |
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public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
238 |
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|
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/** |
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* Collects all JSR166 unit tests as one suite |
240 |
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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"); |
244 |
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|
245 |
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suite.addTest(ForkJoinPoolTest.suite()); |
246 |
< |
suite.addTest(ForkJoinTaskTest.suite()); |
247 |
< |
suite.addTest(RecursiveActionTest.suite()); |
248 |
< |
suite.addTest(RecursiveTaskTest.suite()); |
249 |
< |
suite.addTest(LinkedTransferQueueTest.suite()); |
250 |
< |
suite.addTest(PhaserTest.suite()); |
251 |
< |
suite.addTest(ThreadLocalRandomTest.suite()); |
252 |
< |
suite.addTest(AbstractExecutorServiceTest.suite()); |
253 |
< |
suite.addTest(AbstractQueueTest.suite()); |
254 |
< |
suite.addTest(AbstractQueuedSynchronizerTest.suite()); |
255 |
< |
suite.addTest(AbstractQueuedLongSynchronizerTest.suite()); |
256 |
< |
suite.addTest(ArrayBlockingQueueTest.suite()); |
257 |
< |
suite.addTest(ArrayDequeTest.suite()); |
258 |
< |
suite.addTest(AtomicBooleanTest.suite()); |
259 |
< |
suite.addTest(AtomicIntegerArrayTest.suite()); |
260 |
< |
suite.addTest(AtomicIntegerFieldUpdaterTest.suite()); |
261 |
< |
suite.addTest(AtomicIntegerTest.suite()); |
262 |
< |
suite.addTest(AtomicLongArrayTest.suite()); |
263 |
< |
suite.addTest(AtomicLongFieldUpdaterTest.suite()); |
264 |
< |
suite.addTest(AtomicLongTest.suite()); |
265 |
< |
suite.addTest(AtomicMarkableReferenceTest.suite()); |
266 |
< |
suite.addTest(AtomicReferenceArrayTest.suite()); |
267 |
< |
suite.addTest(AtomicReferenceFieldUpdaterTest.suite()); |
268 |
< |
suite.addTest(AtomicReferenceTest.suite()); |
269 |
< |
suite.addTest(AtomicStampedReferenceTest.suite()); |
270 |
< |
suite.addTest(ConcurrentHashMapTest.suite()); |
271 |
< |
suite.addTest(ConcurrentLinkedDequeTest.suite()); |
272 |
< |
suite.addTest(ConcurrentLinkedQueueTest.suite()); |
273 |
< |
suite.addTest(ConcurrentSkipListMapTest.suite()); |
274 |
< |
suite.addTest(ConcurrentSkipListSubMapTest.suite()); |
275 |
< |
suite.addTest(ConcurrentSkipListSetTest.suite()); |
276 |
< |
suite.addTest(ConcurrentSkipListSubSetTest.suite()); |
277 |
< |
suite.addTest(CopyOnWriteArrayListTest.suite()); |
278 |
< |
suite.addTest(CopyOnWriteArraySetTest.suite()); |
279 |
< |
suite.addTest(CountDownLatchTest.suite()); |
280 |
< |
suite.addTest(CyclicBarrierTest.suite()); |
281 |
< |
suite.addTest(DelayQueueTest.suite()); |
282 |
< |
suite.addTest(EntryTest.suite()); |
283 |
< |
suite.addTest(ExchangerTest.suite()); |
284 |
< |
suite.addTest(ExecutorsTest.suite()); |
285 |
< |
suite.addTest(ExecutorCompletionServiceTest.suite()); |
286 |
< |
suite.addTest(FutureTaskTest.suite()); |
287 |
< |
suite.addTest(LinkedBlockingDequeTest.suite()); |
288 |
< |
suite.addTest(LinkedBlockingQueueTest.suite()); |
289 |
< |
suite.addTest(LinkedListTest.suite()); |
290 |
< |
suite.addTest(LockSupportTest.suite()); |
291 |
< |
suite.addTest(PriorityBlockingQueueTest.suite()); |
292 |
< |
suite.addTest(PriorityQueueTest.suite()); |
293 |
< |
suite.addTest(ReentrantLockTest.suite()); |
294 |
< |
suite.addTest(ReentrantReadWriteLockTest.suite()); |
295 |
< |
suite.addTest(ScheduledExecutorTest.suite()); |
296 |
< |
suite.addTest(ScheduledExecutorSubclassTest.suite()); |
297 |
< |
suite.addTest(SemaphoreTest.suite()); |
298 |
< |
suite.addTest(SynchronousQueueTest.suite()); |
299 |
< |
suite.addTest(SystemTest.suite()); |
300 |
< |
suite.addTest(ThreadLocalTest.suite()); |
301 |
< |
suite.addTest(ThreadPoolExecutorTest.suite()); |
302 |
< |
suite.addTest(ThreadPoolExecutorSubclassTest.suite()); |
303 |
< |
suite.addTest(ThreadTest.suite()); |
304 |
< |
suite.addTest(TimeUnitTest.suite()); |
305 |
< |
suite.addTest(TreeMapTest.suite()); |
306 |
< |
suite.addTest(TreeSetTest.suite()); |
307 |
< |
suite.addTest(TreeSubMapTest.suite()); |
308 |
< |
suite.addTest(TreeSubSetTest.suite()); |
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> |
// Java7+ test classes |
244 |
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TestSuite suite = newTestSuite( |
245 |
> |
ForkJoinPoolTest.suite(), |
246 |
> |
ForkJoinTaskTest.suite(), |
247 |
> |
RecursiveActionTest.suite(), |
248 |
> |
RecursiveTaskTest.suite(), |
249 |
> |
LinkedTransferQueueTest.suite(), |
250 |
> |
PhaserTest.suite(), |
251 |
> |
ThreadLocalRandomTest.suite(), |
252 |
> |
AbstractExecutorServiceTest.suite(), |
253 |
> |
AbstractQueueTest.suite(), |
254 |
> |
AbstractQueuedSynchronizerTest.suite(), |
255 |
> |
AbstractQueuedLongSynchronizerTest.suite(), |
256 |
> |
ArrayBlockingQueueTest.suite(), |
257 |
> |
ArrayDequeTest.suite(), |
258 |
> |
AtomicBooleanTest.suite(), |
259 |
> |
AtomicIntegerArrayTest.suite(), |
260 |
> |
AtomicIntegerFieldUpdaterTest.suite(), |
261 |
> |
AtomicIntegerTest.suite(), |
262 |
> |
AtomicLongArrayTest.suite(), |
263 |
> |
AtomicLongFieldUpdaterTest.suite(), |
264 |
> |
AtomicLongTest.suite(), |
265 |
> |
AtomicMarkableReferenceTest.suite(), |
266 |
> |
AtomicReferenceArrayTest.suite(), |
267 |
> |
AtomicReferenceFieldUpdaterTest.suite(), |
268 |
> |
AtomicReferenceTest.suite(), |
269 |
> |
AtomicStampedReferenceTest.suite(), |
270 |
> |
ConcurrentHashMapTest.suite(), |
271 |
> |
ConcurrentLinkedDequeTest.suite(), |
272 |
> |
ConcurrentLinkedQueueTest.suite(), |
273 |
> |
ConcurrentSkipListMapTest.suite(), |
274 |
> |
ConcurrentSkipListSubMapTest.suite(), |
275 |
> |
ConcurrentSkipListSetTest.suite(), |
276 |
> |
ConcurrentSkipListSubSetTest.suite(), |
277 |
> |
CopyOnWriteArrayListTest.suite(), |
278 |
> |
CopyOnWriteArraySetTest.suite(), |
279 |
> |
CountDownLatchTest.suite(), |
280 |
> |
CyclicBarrierTest.suite(), |
281 |
> |
DelayQueueTest.suite(), |
282 |
> |
EntryTest.suite(), |
283 |
> |
ExchangerTest.suite(), |
284 |
> |
ExecutorsTest.suite(), |
285 |
> |
ExecutorCompletionServiceTest.suite(), |
286 |
> |
FutureTaskTest.suite(), |
287 |
> |
LinkedBlockingDequeTest.suite(), |
288 |
> |
LinkedBlockingQueueTest.suite(), |
289 |
> |
LinkedListTest.suite(), |
290 |
> |
LockSupportTest.suite(), |
291 |
> |
PriorityBlockingQueueTest.suite(), |
292 |
> |
PriorityQueueTest.suite(), |
293 |
> |
ReentrantLockTest.suite(), |
294 |
> |
ReentrantReadWriteLockTest.suite(), |
295 |
> |
ScheduledExecutorTest.suite(), |
296 |
> |
ScheduledExecutorSubclassTest.suite(), |
297 |
> |
SemaphoreTest.suite(), |
298 |
> |
SynchronousQueueTest.suite(), |
299 |
> |
SystemTest.suite(), |
300 |
> |
ThreadLocalTest.suite(), |
301 |
> |
ThreadPoolExecutorTest.suite(), |
302 |
> |
ThreadPoolExecutorSubclassTest.suite(), |
303 |
> |
ThreadTest.suite(), |
304 |
> |
TimeUnitTest.suite(), |
305 |
> |
TreeMapTest.suite(), |
306 |
> |
TreeSetTest.suite(), |
307 |
> |
TreeSubMapTest.suite(), |
308 |
> |
TreeSubSetTest.suite()); |
309 |
> |
|
310 |
> |
// Java8+ test classes |
311 |
> |
if (atLeastJava8()) { |
312 |
> |
String[] java8TestClassNames = { |
313 |
> |
"Atomic8Test", |
314 |
> |
"CompletableFutureTest", |
315 |
> |
"ConcurrentHashMap8Test", |
316 |
> |
"CountedCompleterTest", |
317 |
> |
"DoubleAccumulatorTest", |
318 |
> |
"DoubleAdderTest", |
319 |
> |
"ForkJoinPool8Test", |
320 |
> |
"ForkJoinTask8Test", |
321 |
> |
"LongAccumulatorTest", |
322 |
> |
"LongAdderTest", |
323 |
> |
"SplittableRandomTest", |
324 |
> |
"StampedLockTest", |
325 |
> |
"ThreadLocalRandom8Test", |
326 |
> |
}; |
327 |
> |
addNamedTestClasses(suite, java8TestClassNames); |
328 |
> |
} |
329 |
|
|
330 |
|
return suite; |
331 |
|
} |
332 |
|
|
333 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
334 |
|
|
335 |
|
public static long SHORT_DELAY_MS; |
336 |
|
public static long SMALL_DELAY_MS; |
337 |
|
public static long MEDIUM_DELAY_MS; |
338 |
|
public static long LONG_DELAY_MS; |
339 |
|
|
199 |
– |
|
340 |
|
/** |
341 |
|
* Returns the shortest timed delay. This could |
342 |
|
* be reimplemented to use for example a Property. |
345 |
|
return 50; |
346 |
|
} |
347 |
|
|
208 |
– |
|
348 |
|
/** |
349 |
|
* Sets delays as multiples of SHORT_DELAY. |
350 |
|
*/ |
352 |
|
SHORT_DELAY_MS = getShortDelay(); |
353 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
354 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
355 |
< |
LONG_DELAY_MS = SHORT_DELAY_MS * 50; |
355 |
> |
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
356 |
> |
} |
357 |
> |
|
358 |
> |
/** |
359 |
> |
* Returns a timeout in milliseconds to be used in tests that |
360 |
> |
* verify that operations block or time out. |
361 |
> |
*/ |
362 |
> |
long timeoutMillis() { |
363 |
> |
return SHORT_DELAY_MS / 4; |
364 |
> |
} |
365 |
> |
|
366 |
> |
/** |
367 |
> |
* Returns a new Date instance representing a time delayMillis |
368 |
> |
* milliseconds in the future. |
369 |
> |
*/ |
370 |
> |
Date delayedDate(long delayMillis) { |
371 |
> |
return new Date(System.currentTimeMillis() + delayMillis); |
372 |
|
} |
373 |
|
|
374 |
|
/** |
392 |
|
} |
393 |
|
|
394 |
|
/** |
395 |
+ |
* Extra checks that get done for all test cases. |
396 |
+ |
* |
397 |
|
* Triggers test case failure if any thread assertions have failed, |
398 |
|
* by rethrowing, in the test harness thread, any exception recorded |
399 |
|
* earlier by threadRecordFailure. |
400 |
+ |
* |
401 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
402 |
|
*/ |
403 |
|
public void tearDown() throws Exception { |
404 |
< |
Throwable t = threadFailure.get(); |
404 |
> |
Throwable t = threadFailure.getAndSet(null); |
405 |
|
if (t != null) { |
406 |
|
if (t instanceof Error) |
407 |
|
throw (Error) t; |
416 |
|
throw afe; |
417 |
|
} |
418 |
|
} |
419 |
+ |
|
420 |
+ |
if (Thread.interrupted()) |
421 |
+ |
throw new AssertionFailedError("interrupt status set in main thread"); |
422 |
+ |
|
423 |
+ |
checkForkJoinPoolThreadLeaks(); |
424 |
+ |
} |
425 |
+ |
|
426 |
+ |
/** |
427 |
+ |
* Find missing try { ... } finally { joinPool(e); } |
428 |
+ |
*/ |
429 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
430 |
+ |
Thread[] survivors = new Thread[5]; |
431 |
+ |
int count = Thread.enumerate(survivors); |
432 |
+ |
for (int i = 0; i < count; i++) { |
433 |
+ |
Thread thread = survivors[i]; |
434 |
+ |
String name = thread.getName(); |
435 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
436 |
+ |
// give thread some time to terminate |
437 |
+ |
thread.join(LONG_DELAY_MS); |
438 |
+ |
if (!thread.isAlive()) continue; |
439 |
+ |
thread.stop(); |
440 |
+ |
throw new AssertionFailedError |
441 |
+ |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
442 |
+ |
toString(), name)); |
443 |
+ |
} |
444 |
+ |
} |
445 |
|
} |
446 |
|
|
447 |
|
/** |
573 |
|
else { |
574 |
|
AssertionFailedError afe = |
575 |
|
new AssertionFailedError("unexpected exception: " + t); |
576 |
< |
t.initCause(t); |
576 |
> |
afe.initCause(t); |
577 |
|
throw afe; |
578 |
|
} |
579 |
|
} |
580 |
|
|
581 |
|
/** |
582 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
583 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
584 |
+ |
* until time elapses. |
585 |
+ |
*/ |
586 |
+ |
static void delay(long millis) throws InterruptedException { |
587 |
+ |
long startTime = System.nanoTime(); |
588 |
+ |
long ns = millis * 1000 * 1000; |
589 |
+ |
for (;;) { |
590 |
+ |
if (millis > 0L) |
591 |
+ |
Thread.sleep(millis); |
592 |
+ |
else // too short to sleep |
593 |
+ |
Thread.yield(); |
594 |
+ |
long d = ns - (System.nanoTime() - startTime); |
595 |
+ |
if (d > 0L) |
596 |
+ |
millis = d / (1000 * 1000); |
597 |
+ |
else |
598 |
+ |
break; |
599 |
+ |
} |
600 |
+ |
} |
601 |
+ |
|
602 |
+ |
/** |
603 |
|
* Waits out termination of a thread pool or fails doing so. |
604 |
|
*/ |
605 |
< |
public void joinPool(ExecutorService exec) { |
605 |
> |
void joinPool(ExecutorService exec) { |
606 |
|
try { |
607 |
|
exec.shutdown(); |
608 |
|
assertTrue("ExecutorService did not terminate in a timely manner", |
609 |
< |
exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
609 |
> |
exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)); |
610 |
|
} catch (SecurityException ok) { |
611 |
|
// Allowed in case test doesn't have privs |
612 |
|
} catch (InterruptedException ie) { |
614 |
|
} |
615 |
|
} |
616 |
|
|
617 |
+ |
/** |
618 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
619 |
+ |
*/ |
620 |
+ |
static void printAllStackTraces() { |
621 |
+ |
for (ThreadInfo info : |
622 |
+ |
ManagementFactory.getThreadMXBean() |
623 |
+ |
.dumpAllThreads(true, true)) |
624 |
+ |
System.err.print(info); |
625 |
+ |
} |
626 |
+ |
|
627 |
+ |
/** |
628 |
+ |
* Checks that thread does not terminate within the default |
629 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
630 |
+ |
*/ |
631 |
+ |
void assertThreadStaysAlive(Thread thread) { |
632 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
633 |
+ |
} |
634 |
+ |
|
635 |
+ |
/** |
636 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
637 |
+ |
*/ |
638 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
639 |
+ |
try { |
640 |
+ |
// No need to optimize the failing case via Thread.join. |
641 |
+ |
delay(millis); |
642 |
+ |
assertTrue(thread.isAlive()); |
643 |
+ |
} catch (InterruptedException ie) { |
644 |
+ |
fail("Unexpected InterruptedException"); |
645 |
+ |
} |
646 |
+ |
} |
647 |
+ |
|
648 |
+ |
/** |
649 |
+ |
* Checks that the threads do not terminate within the default |
650 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
651 |
+ |
*/ |
652 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
653 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
654 |
+ |
} |
655 |
+ |
|
656 |
+ |
/** |
657 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
658 |
+ |
*/ |
659 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
660 |
+ |
try { |
661 |
+ |
// No need to optimize the failing case via Thread.join. |
662 |
+ |
delay(millis); |
663 |
+ |
for (Thread thread : threads) |
664 |
+ |
assertTrue(thread.isAlive()); |
665 |
+ |
} catch (InterruptedException ie) { |
666 |
+ |
fail("Unexpected InterruptedException"); |
667 |
+ |
} |
668 |
+ |
} |
669 |
+ |
|
670 |
+ |
/** |
671 |
+ |
* Checks that future.get times out, with the default timeout of |
672 |
+ |
* {@code timeoutMillis()}. |
673 |
+ |
*/ |
674 |
+ |
void assertFutureTimesOut(Future future) { |
675 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
676 |
+ |
} |
677 |
+ |
|
678 |
+ |
/** |
679 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
680 |
+ |
*/ |
681 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
682 |
+ |
long startTime = System.nanoTime(); |
683 |
+ |
try { |
684 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
685 |
+ |
shouldThrow(); |
686 |
+ |
} catch (TimeoutException success) { |
687 |
+ |
} catch (Exception e) { |
688 |
+ |
threadUnexpectedException(e); |
689 |
+ |
} finally { future.cancel(true); } |
690 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
691 |
+ |
} |
692 |
|
|
693 |
|
/** |
694 |
|
* Fails with message "should throw exception". |
729 |
|
public static final Integer m6 = new Integer(-6); |
730 |
|
public static final Integer m10 = new Integer(-10); |
731 |
|
|
451 |
– |
|
732 |
|
/** |
733 |
|
* Runs Runnable r with a security policy that permits precisely |
734 |
|
* the specified permissions. If there is no current security |
740 |
|
SecurityManager sm = System.getSecurityManager(); |
741 |
|
if (sm == null) { |
742 |
|
r.run(); |
743 |
+ |
} |
744 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
745 |
+ |
} |
746 |
+ |
|
747 |
+ |
/** |
748 |
+ |
* Runs Runnable r with a security policy that permits precisely |
749 |
+ |
* the specified permissions. If there is no current security |
750 |
+ |
* manager, a temporary one is set for the duration of the |
751 |
+ |
* Runnable. We require that any security manager permit |
752 |
+ |
* getPolicy/setPolicy. |
753 |
+ |
*/ |
754 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
755 |
+ |
Permission... permissions) { |
756 |
+ |
SecurityManager sm = System.getSecurityManager(); |
757 |
+ |
if (sm == null) { |
758 |
|
Policy savedPolicy = Policy.getPolicy(); |
759 |
|
try { |
760 |
|
Policy.setPolicy(permissivePolicy()); |
761 |
|
System.setSecurityManager(new SecurityManager()); |
762 |
< |
runWithPermissions(r, permissions); |
762 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
763 |
|
} finally { |
764 |
|
System.setSecurityManager(null); |
765 |
|
Policy.setPolicy(savedPolicy); |
807 |
|
return perms.implies(p); |
808 |
|
} |
809 |
|
public void refresh() {} |
810 |
+ |
public String toString() { |
811 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
812 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
813 |
+ |
ps.add(e.nextElement()); |
814 |
+ |
return "AdjustablePolicy with permissions " + ps; |
815 |
+ |
} |
816 |
|
} |
817 |
|
|
818 |
|
/** |
835 |
|
} |
836 |
|
|
837 |
|
/** |
838 |
< |
* Sleep until the timeout has elapsed, or interrupted. |
839 |
< |
* Does <em>NOT</em> throw InterruptedException. |
838 |
> |
* Sleeps until the given time has elapsed. |
839 |
> |
* Throws AssertionFailedError if interrupted. |
840 |
|
*/ |
841 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
841 |
> |
void sleep(long millis) { |
842 |
|
try { |
843 |
< |
Thread.sleep(timeoutMillis); |
844 |
< |
} catch (InterruptedException wakeup) {} |
843 |
> |
delay(millis); |
844 |
> |
} catch (InterruptedException ie) { |
845 |
> |
AssertionFailedError afe = |
846 |
> |
new AssertionFailedError("Unexpected InterruptedException"); |
847 |
> |
afe.initCause(ie); |
848 |
> |
throw afe; |
849 |
> |
} |
850 |
> |
} |
851 |
> |
|
852 |
> |
/** |
853 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
854 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
855 |
> |
*/ |
856 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
857 |
> |
long startTime = System.nanoTime(); |
858 |
> |
for (;;) { |
859 |
> |
Thread.State s = thread.getState(); |
860 |
> |
if (s == Thread.State.BLOCKED || |
861 |
> |
s == Thread.State.WAITING || |
862 |
> |
s == Thread.State.TIMED_WAITING) |
863 |
> |
return; |
864 |
> |
else if (s == Thread.State.TERMINATED) |
865 |
> |
fail("Unexpected thread termination"); |
866 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
867 |
> |
threadAssertTrue(thread.isAlive()); |
868 |
> |
return; |
869 |
> |
} |
870 |
> |
Thread.yield(); |
871 |
> |
} |
872 |
> |
} |
873 |
> |
|
874 |
> |
/** |
875 |
> |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
876 |
> |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
877 |
> |
*/ |
878 |
> |
void waitForThreadToEnterWaitState(Thread thread) { |
879 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
880 |
> |
} |
881 |
> |
|
882 |
> |
/** |
883 |
> |
* Returns the number of milliseconds since time given by |
884 |
> |
* startNanoTime, which must have been previously returned from a |
885 |
> |
* call to {@link System.nanoTime()}. |
886 |
> |
*/ |
887 |
> |
long millisElapsedSince(long startNanoTime) { |
888 |
> |
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
889 |
|
} |
890 |
|
|
891 |
|
/** |
898 |
|
return t; |
899 |
|
} |
900 |
|
|
901 |
+ |
/** |
902 |
+ |
* Waits for the specified time (in milliseconds) for the thread |
903 |
+ |
* to terminate (using {@link Thread#join(long)}), else interrupts |
904 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
905 |
+ |
*/ |
906 |
+ |
void awaitTermination(Thread t, long timeoutMillis) { |
907 |
+ |
try { |
908 |
+ |
t.join(timeoutMillis); |
909 |
+ |
} catch (InterruptedException ie) { |
910 |
+ |
threadUnexpectedException(ie); |
911 |
+ |
} finally { |
912 |
+ |
if (t.getState() != Thread.State.TERMINATED) { |
913 |
+ |
t.interrupt(); |
914 |
+ |
fail("Test timed out"); |
915 |
+ |
} |
916 |
+ |
} |
917 |
+ |
} |
918 |
+ |
|
919 |
+ |
/** |
920 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
921 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
922 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
923 |
+ |
*/ |
924 |
+ |
void awaitTermination(Thread t) { |
925 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
926 |
+ |
} |
927 |
+ |
|
928 |
|
// Some convenient Runnable classes |
929 |
|
|
930 |
|
public abstract class CheckedRunnable implements Runnable { |
987 |
|
realRun(); |
988 |
|
threadShouldThrow("InterruptedException"); |
989 |
|
} catch (InterruptedException success) { |
990 |
+ |
threadAssertFalse(Thread.interrupted()); |
991 |
|
} catch (Throwable t) { |
992 |
|
threadUnexpectedException(t); |
993 |
|
} |
1017 |
|
threadShouldThrow("InterruptedException"); |
1018 |
|
return result; |
1019 |
|
} catch (InterruptedException success) { |
1020 |
+ |
threadAssertFalse(Thread.interrupted()); |
1021 |
|
} catch (Throwable t) { |
1022 |
|
threadUnexpectedException(t); |
1023 |
|
} |
1041 |
|
|
1042 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1043 |
|
return new CheckedCallable<String>() { |
1044 |
< |
public String realCall() { |
1044 |
> |
protected String realCall() { |
1045 |
|
try { |
1046 |
|
latch.await(); |
1047 |
|
} catch (InterruptedException quittingTime) {} |
1049 |
|
}}; |
1050 |
|
} |
1051 |
|
|
1052 |
+ |
public Runnable awaiter(final CountDownLatch latch) { |
1053 |
+ |
return new CheckedRunnable() { |
1054 |
+ |
public void realRun() throws InterruptedException { |
1055 |
+ |
await(latch); |
1056 |
+ |
}}; |
1057 |
+ |
} |
1058 |
+ |
|
1059 |
+ |
public void await(CountDownLatch latch) { |
1060 |
+ |
try { |
1061 |
+ |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1062 |
+ |
} catch (Throwable t) { |
1063 |
+ |
threadUnexpectedException(t); |
1064 |
+ |
} |
1065 |
+ |
} |
1066 |
+ |
|
1067 |
+ |
public void await(Semaphore semaphore) { |
1068 |
+ |
try { |
1069 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1070 |
+ |
} catch (Throwable t) { |
1071 |
+ |
threadUnexpectedException(t); |
1072 |
+ |
} |
1073 |
+ |
} |
1074 |
+ |
|
1075 |
+ |
// /** |
1076 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1077 |
+ |
// */ |
1078 |
+ |
// public void await(AtomicBoolean flag) { |
1079 |
+ |
// await(flag, LONG_DELAY_MS); |
1080 |
+ |
// } |
1081 |
+ |
|
1082 |
+ |
// /** |
1083 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1084 |
+ |
// */ |
1085 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1086 |
+ |
// long startTime = System.nanoTime(); |
1087 |
+ |
// while (!flag.get()) { |
1088 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1089 |
+ |
// throw new AssertionFailedError("timed out"); |
1090 |
+ |
// Thread.yield(); |
1091 |
+ |
// } |
1092 |
+ |
// } |
1093 |
+ |
|
1094 |
|
public static class NPETask implements Callable<String> { |
1095 |
|
public String call() { throw new NullPointerException(); } |
1096 |
|
} |
1101 |
|
|
1102 |
|
public class ShortRunnable extends CheckedRunnable { |
1103 |
|
protected void realRun() throws Throwable { |
1104 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1104 |
> |
delay(SHORT_DELAY_MS); |
1105 |
|
} |
1106 |
|
} |
1107 |
|
|
1108 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1109 |
|
protected void realRun() throws InterruptedException { |
1110 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1110 |
> |
delay(SHORT_DELAY_MS); |
1111 |
|
} |
1112 |
|
} |
1113 |
|
|
1114 |
|
public class SmallRunnable extends CheckedRunnable { |
1115 |
|
protected void realRun() throws Throwable { |
1116 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1116 |
> |
delay(SMALL_DELAY_MS); |
1117 |
|
} |
1118 |
|
} |
1119 |
|
|
1120 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1121 |
|
protected void realRun() { |
1122 |
|
try { |
1123 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1123 |
> |
delay(SMALL_DELAY_MS); |
1124 |
|
} catch (InterruptedException ok) {} |
1125 |
|
} |
1126 |
|
} |
1127 |
|
|
1128 |
|
public class SmallCallable extends CheckedCallable { |
1129 |
|
protected Object realCall() throws InterruptedException { |
1130 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1130 |
> |
delay(SMALL_DELAY_MS); |
1131 |
|
return Boolean.TRUE; |
1132 |
|
} |
1133 |
|
} |
1134 |
|
|
1135 |
|
public class MediumRunnable extends CheckedRunnable { |
1136 |
|
protected void realRun() throws Throwable { |
1137 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1137 |
> |
delay(MEDIUM_DELAY_MS); |
1138 |
|
} |
1139 |
|
} |
1140 |
|
|
1141 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1142 |
|
protected void realRun() throws InterruptedException { |
1143 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1143 |
> |
delay(MEDIUM_DELAY_MS); |
1144 |
|
} |
1145 |
|
} |
1146 |
|
|
1147 |
+ |
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1148 |
+ |
return new CheckedRunnable() { |
1149 |
+ |
protected void realRun() { |
1150 |
+ |
try { |
1151 |
+ |
delay(timeoutMillis); |
1152 |
+ |
} catch (InterruptedException ok) {} |
1153 |
+ |
}}; |
1154 |
+ |
} |
1155 |
+ |
|
1156 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1157 |
|
protected void realRun() { |
1158 |
|
try { |
1159 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1159 |
> |
delay(MEDIUM_DELAY_MS); |
1160 |
|
} catch (InterruptedException ok) {} |
1161 |
|
} |
1162 |
|
} |
1164 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1165 |
|
protected void realRun() { |
1166 |
|
try { |
1167 |
< |
Thread.sleep(LONG_DELAY_MS); |
1167 |
> |
delay(LONG_DELAY_MS); |
1168 |
|
} catch (InterruptedException ok) {} |
1169 |
|
} |
1170 |
|
} |
1178 |
|
} |
1179 |
|
} |
1180 |
|
|
1181 |
+ |
public interface TrackedRunnable extends Runnable { |
1182 |
+ |
boolean isDone(); |
1183 |
+ |
} |
1184 |
+ |
|
1185 |
+ |
public static TrackedRunnable trackedRunnable(final long timeoutMillis) { |
1186 |
+ |
return new TrackedRunnable() { |
1187 |
+ |
private volatile boolean done = false; |
1188 |
+ |
public boolean isDone() { return done; } |
1189 |
+ |
public void run() { |
1190 |
+ |
try { |
1191 |
+ |
delay(timeoutMillis); |
1192 |
+ |
done = true; |
1193 |
+ |
} catch (InterruptedException ok) {} |
1194 |
+ |
} |
1195 |
+ |
}; |
1196 |
+ |
} |
1197 |
+ |
|
1198 |
|
public static class TrackedShortRunnable implements Runnable { |
1199 |
|
public volatile boolean done = false; |
1200 |
|
public void run() { |
1201 |
|
try { |
1202 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1202 |
> |
delay(SHORT_DELAY_MS); |
1203 |
> |
done = true; |
1204 |
> |
} catch (InterruptedException ok) {} |
1205 |
> |
} |
1206 |
> |
} |
1207 |
> |
|
1208 |
> |
public static class TrackedSmallRunnable implements Runnable { |
1209 |
> |
public volatile boolean done = false; |
1210 |
> |
public void run() { |
1211 |
> |
try { |
1212 |
> |
delay(SMALL_DELAY_MS); |
1213 |
|
done = true; |
1214 |
|
} catch (InterruptedException ok) {} |
1215 |
|
} |
1219 |
|
public volatile boolean done = false; |
1220 |
|
public void run() { |
1221 |
|
try { |
1222 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1222 |
> |
delay(MEDIUM_DELAY_MS); |
1223 |
|
done = true; |
1224 |
|
} catch (InterruptedException ok) {} |
1225 |
|
} |
1229 |
|
public volatile boolean done = false; |
1230 |
|
public void run() { |
1231 |
|
try { |
1232 |
< |
Thread.sleep(LONG_DELAY_MS); |
1232 |
> |
delay(LONG_DELAY_MS); |
1233 |
|
done = true; |
1234 |
|
} catch (InterruptedException ok) {} |
1235 |
|
} |
1246 |
|
public volatile boolean done = false; |
1247 |
|
public Object call() { |
1248 |
|
try { |
1249 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1249 |
> |
delay(SMALL_DELAY_MS); |
1250 |
|
done = true; |
1251 |
|
} catch (InterruptedException ok) {} |
1252 |
|
return Boolean.TRUE; |
1259 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1260 |
|
protected abstract void realCompute() throws Throwable; |
1261 |
|
|
1262 |
< |
public final void compute() { |
1262 |
> |
@Override protected final void compute() { |
1263 |
|
try { |
1264 |
|
realCompute(); |
1265 |
|
} catch (Throwable t) { |
1274 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1275 |
|
protected abstract T realCompute() throws Throwable; |
1276 |
|
|
1277 |
< |
public final T compute() { |
1277 |
> |
@Override protected final T compute() { |
1278 |
|
try { |
1279 |
|
return realCompute(); |
1280 |
|
} catch (Throwable t) { |
1292 |
|
ThreadPoolExecutor executor) {} |
1293 |
|
} |
1294 |
|
|
1295 |
+ |
/** |
1296 |
+ |
* A CyclicBarrier that uses timed await and fails with |
1297 |
+ |
* AssertionFailedErrors instead of throwing checked exceptions. |
1298 |
+ |
*/ |
1299 |
+ |
public class CheckedBarrier extends CyclicBarrier { |
1300 |
+ |
public CheckedBarrier(int parties) { super(parties); } |
1301 |
+ |
|
1302 |
+ |
public int await() { |
1303 |
+ |
try { |
1304 |
+ |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1305 |
+ |
} catch (TimeoutException e) { |
1306 |
+ |
throw new AssertionFailedError("timed out"); |
1307 |
+ |
} catch (Exception e) { |
1308 |
+ |
AssertionFailedError afe = |
1309 |
+ |
new AssertionFailedError("Unexpected exception: " + e); |
1310 |
+ |
afe.initCause(e); |
1311 |
+ |
throw afe; |
1312 |
+ |
} |
1313 |
+ |
} |
1314 |
+ |
} |
1315 |
+ |
|
1316 |
+ |
void checkEmpty(BlockingQueue q) { |
1317 |
+ |
try { |
1318 |
+ |
assertTrue(q.isEmpty()); |
1319 |
+ |
assertEquals(0, q.size()); |
1320 |
+ |
assertNull(q.peek()); |
1321 |
+ |
assertNull(q.poll()); |
1322 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
1323 |
+ |
assertEquals(q.toString(), "[]"); |
1324 |
+ |
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1325 |
+ |
assertFalse(q.iterator().hasNext()); |
1326 |
+ |
try { |
1327 |
+ |
q.element(); |
1328 |
+ |
shouldThrow(); |
1329 |
+ |
} catch (NoSuchElementException success) {} |
1330 |
+ |
try { |
1331 |
+ |
q.iterator().next(); |
1332 |
+ |
shouldThrow(); |
1333 |
+ |
} catch (NoSuchElementException success) {} |
1334 |
+ |
try { |
1335 |
+ |
q.remove(); |
1336 |
+ |
shouldThrow(); |
1337 |
+ |
} catch (NoSuchElementException success) {} |
1338 |
+ |
} catch (InterruptedException ie) { |
1339 |
+ |
threadUnexpectedException(ie); |
1340 |
+ |
} |
1341 |
+ |
} |
1342 |
+ |
|
1343 |
+ |
void assertSerialEquals(Object x, Object y) { |
1344 |
+ |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1345 |
+ |
} |
1346 |
+ |
|
1347 |
+ |
void assertNotSerialEquals(Object x, Object y) { |
1348 |
+ |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1349 |
+ |
} |
1350 |
+ |
|
1351 |
+ |
byte[] serialBytes(Object o) { |
1352 |
+ |
try { |
1353 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1354 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1355 |
+ |
oos.writeObject(o); |
1356 |
+ |
oos.flush(); |
1357 |
+ |
oos.close(); |
1358 |
+ |
return bos.toByteArray(); |
1359 |
+ |
} catch (Throwable t) { |
1360 |
+ |
threadUnexpectedException(t); |
1361 |
+ |
return new byte[0]; |
1362 |
+ |
} |
1363 |
+ |
} |
1364 |
+ |
|
1365 |
+ |
@SuppressWarnings("unchecked") |
1366 |
+ |
<T> T serialClone(T o) { |
1367 |
+ |
try { |
1368 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1369 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1370 |
+ |
T clone = (T) ois.readObject(); |
1371 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1372 |
+ |
return clone; |
1373 |
+ |
} catch (Throwable t) { |
1374 |
+ |
threadUnexpectedException(t); |
1375 |
+ |
return null; |
1376 |
+ |
} |
1377 |
+ |
} |
1378 |
+ |
|
1379 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1380 |
+ |
Runnable... throwingActions) { |
1381 |
+ |
for (Runnable throwingAction : throwingActions) { |
1382 |
+ |
boolean threw = false; |
1383 |
+ |
try { throwingAction.run(); } |
1384 |
+ |
catch (Throwable t) { |
1385 |
+ |
threw = true; |
1386 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1387 |
+ |
AssertionFailedError afe = |
1388 |
+ |
new AssertionFailedError |
1389 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1390 |
+ |
", got " + t.getClass().getName()); |
1391 |
+ |
afe.initCause(t); |
1392 |
+ |
threadUnexpectedException(afe); |
1393 |
+ |
} |
1394 |
+ |
} |
1395 |
+ |
if (!threw) |
1396 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1397 |
+ |
} |
1398 |
+ |
} |
1399 |
|
} |