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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; |
11 |
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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; |
16 |
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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.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"); |
116 |
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|
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/** |
118 |
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* If true, report on stdout all "slow" tests, that is, ones that |
119 |
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* take more than profileThreshold milliseconds to execute. |
120 |
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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. |
127 |
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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 { |
132 |
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if (profileTests) |
133 |
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runTestProfiled(); |
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else |
135 |
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super.runTest(); |
136 |
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} |
137 |
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|
138 |
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protected void runTestProfiled() throws Throwable { |
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long t0 = System.nanoTime(); |
140 |
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try { |
141 |
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super.runTest(); |
142 |
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} finally { |
143 |
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long elapsedMillis = |
144 |
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(System.nanoTime() - t0) / (1000L * 1000L); |
145 |
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if (elapsedMillis >= profileThreshold) |
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System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
147 |
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} |
148 |
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} |
149 |
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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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* 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); |
170 |
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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(); |
174 |
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for (Object suiteOrClass : suiteOrClasses) { |
175 |
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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) |
178 |
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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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public static void addNamedTestClasses(TestSuite suite, |
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String... testClassNames) { |
187 |
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for (String testClassName : testClassNames) { |
188 |
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try { |
189 |
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Class<?> testClass = Class.forName(testClassName); |
190 |
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Method m = testClass.getDeclaredMethod("suite", |
191 |
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new Class<?>[0]); |
192 |
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suite.addTest(newTestSuite((Test)m.invoke(null))); |
193 |
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} catch (Exception e) { |
194 |
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throw new Error("Missing test class", e); |
195 |
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} |
196 |
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} |
197 |
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} |
198 |
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|
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public static final double JAVA_CLASS_VERSION; |
200 |
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static { |
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try { |
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JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
203 |
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new java.security.PrivilegedAction<Double>() { |
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public Double run() { |
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return Double.valueOf(System.getProperty("java.class.version"));}}); |
206 |
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} catch (Throwable t) { |
207 |
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throw new Error(t); |
208 |
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} |
209 |
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} |
210 |
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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; } |
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public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
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|
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/** |
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* Collects all JSR166 unit tests as one suite |
216 |
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* Collects all JSR166 unit tests as one suite. |
217 |
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*/ |
218 |
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public static Test suite() { |
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TestSuite suite = new TestSuite("JSR166 Unit Tests"); |
220 |
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|
221 |
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suite.addTest(ForkJoinPoolTest.suite()); |
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suite.addTest(ForkJoinTaskTest.suite()); |
223 |
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suite.addTest(RecursiveActionTest.suite()); |
224 |
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suite.addTest(RecursiveTaskTest.suite()); |
225 |
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suite.addTest(LinkedTransferQueueTest.suite()); |
226 |
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suite.addTest(PhaserTest.suite()); |
227 |
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suite.addTest(ThreadLocalRandomTest.suite()); |
228 |
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suite.addTest(AbstractExecutorServiceTest.suite()); |
229 |
< |
suite.addTest(AbstractQueueTest.suite()); |
230 |
< |
suite.addTest(AbstractQueuedSynchronizerTest.suite()); |
231 |
< |
suite.addTest(AbstractQueuedLongSynchronizerTest.suite()); |
232 |
< |
suite.addTest(ArrayBlockingQueueTest.suite()); |
233 |
< |
suite.addTest(ArrayDequeTest.suite()); |
234 |
< |
suite.addTest(AtomicBooleanTest.suite()); |
235 |
< |
suite.addTest(AtomicIntegerArrayTest.suite()); |
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< |
suite.addTest(AtomicIntegerFieldUpdaterTest.suite()); |
237 |
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suite.addTest(AtomicIntegerTest.suite()); |
238 |
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suite.addTest(AtomicLongArrayTest.suite()); |
239 |
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suite.addTest(AtomicLongFieldUpdaterTest.suite()); |
240 |
< |
suite.addTest(AtomicLongTest.suite()); |
241 |
< |
suite.addTest(AtomicMarkableReferenceTest.suite()); |
242 |
< |
suite.addTest(AtomicReferenceArrayTest.suite()); |
243 |
< |
suite.addTest(AtomicReferenceFieldUpdaterTest.suite()); |
244 |
< |
suite.addTest(AtomicReferenceTest.suite()); |
245 |
< |
suite.addTest(AtomicStampedReferenceTest.suite()); |
246 |
< |
suite.addTest(ConcurrentHashMapTest.suite()); |
247 |
< |
suite.addTest(ConcurrentLinkedDequeTest.suite()); |
248 |
< |
suite.addTest(ConcurrentLinkedQueueTest.suite()); |
249 |
< |
suite.addTest(ConcurrentSkipListMapTest.suite()); |
250 |
< |
suite.addTest(ConcurrentSkipListSubMapTest.suite()); |
251 |
< |
suite.addTest(ConcurrentSkipListSetTest.suite()); |
252 |
< |
suite.addTest(ConcurrentSkipListSubSetTest.suite()); |
253 |
< |
suite.addTest(CopyOnWriteArrayListTest.suite()); |
254 |
< |
suite.addTest(CopyOnWriteArraySetTest.suite()); |
255 |
< |
suite.addTest(CountDownLatchTest.suite()); |
256 |
< |
suite.addTest(CyclicBarrierTest.suite()); |
257 |
< |
suite.addTest(DelayQueueTest.suite()); |
258 |
< |
suite.addTest(EntryTest.suite()); |
259 |
< |
suite.addTest(ExchangerTest.suite()); |
260 |
< |
suite.addTest(ExecutorsTest.suite()); |
261 |
< |
suite.addTest(ExecutorCompletionServiceTest.suite()); |
262 |
< |
suite.addTest(FutureTaskTest.suite()); |
263 |
< |
suite.addTest(LinkedBlockingDequeTest.suite()); |
264 |
< |
suite.addTest(LinkedBlockingQueueTest.suite()); |
265 |
< |
suite.addTest(LinkedListTest.suite()); |
266 |
< |
suite.addTest(LockSupportTest.suite()); |
267 |
< |
suite.addTest(PriorityBlockingQueueTest.suite()); |
268 |
< |
suite.addTest(PriorityQueueTest.suite()); |
269 |
< |
suite.addTest(ReentrantLockTest.suite()); |
270 |
< |
suite.addTest(ReentrantReadWriteLockTest.suite()); |
271 |
< |
suite.addTest(ScheduledExecutorTest.suite()); |
272 |
< |
suite.addTest(ScheduledExecutorSubclassTest.suite()); |
273 |
< |
suite.addTest(SemaphoreTest.suite()); |
274 |
< |
suite.addTest(SynchronousQueueTest.suite()); |
275 |
< |
suite.addTest(SystemTest.suite()); |
276 |
< |
suite.addTest(ThreadLocalTest.suite()); |
277 |
< |
suite.addTest(ThreadPoolExecutorTest.suite()); |
278 |
< |
suite.addTest(ThreadPoolExecutorSubclassTest.suite()); |
279 |
< |
suite.addTest(ThreadTest.suite()); |
280 |
< |
suite.addTest(TimeUnitTest.suite()); |
281 |
< |
suite.addTest(TreeMapTest.suite()); |
282 |
< |
suite.addTest(TreeSetTest.suite()); |
283 |
< |
suite.addTest(TreeSubMapTest.suite()); |
284 |
< |
suite.addTest(TreeSubSetTest.suite()); |
219 |
> |
// Java7+ test classes |
220 |
> |
TestSuite suite = newTestSuite( |
221 |
> |
ForkJoinPoolTest.suite(), |
222 |
> |
ForkJoinTaskTest.suite(), |
223 |
> |
RecursiveActionTest.suite(), |
224 |
> |
RecursiveTaskTest.suite(), |
225 |
> |
LinkedTransferQueueTest.suite(), |
226 |
> |
PhaserTest.suite(), |
227 |
> |
ThreadLocalRandomTest.suite(), |
228 |
> |
AbstractExecutorServiceTest.suite(), |
229 |
> |
AbstractQueueTest.suite(), |
230 |
> |
AbstractQueuedSynchronizerTest.suite(), |
231 |
> |
AbstractQueuedLongSynchronizerTest.suite(), |
232 |
> |
ArrayBlockingQueueTest.suite(), |
233 |
> |
ArrayDequeTest.suite(), |
234 |
> |
AtomicBooleanTest.suite(), |
235 |
> |
AtomicIntegerArrayTest.suite(), |
236 |
> |
AtomicIntegerFieldUpdaterTest.suite(), |
237 |
> |
AtomicIntegerTest.suite(), |
238 |
> |
AtomicLongArrayTest.suite(), |
239 |
> |
AtomicLongFieldUpdaterTest.suite(), |
240 |
> |
AtomicLongTest.suite(), |
241 |
> |
AtomicMarkableReferenceTest.suite(), |
242 |
> |
AtomicReferenceArrayTest.suite(), |
243 |
> |
AtomicReferenceFieldUpdaterTest.suite(), |
244 |
> |
AtomicReferenceTest.suite(), |
245 |
> |
AtomicStampedReferenceTest.suite(), |
246 |
> |
ConcurrentHashMapTest.suite(), |
247 |
> |
ConcurrentLinkedDequeTest.suite(), |
248 |
> |
ConcurrentLinkedQueueTest.suite(), |
249 |
> |
ConcurrentSkipListMapTest.suite(), |
250 |
> |
ConcurrentSkipListSubMapTest.suite(), |
251 |
> |
ConcurrentSkipListSetTest.suite(), |
252 |
> |
ConcurrentSkipListSubSetTest.suite(), |
253 |
> |
CopyOnWriteArrayListTest.suite(), |
254 |
> |
CopyOnWriteArraySetTest.suite(), |
255 |
> |
CountDownLatchTest.suite(), |
256 |
> |
CyclicBarrierTest.suite(), |
257 |
> |
DelayQueueTest.suite(), |
258 |
> |
EntryTest.suite(), |
259 |
> |
ExchangerTest.suite(), |
260 |
> |
ExecutorsTest.suite(), |
261 |
> |
ExecutorCompletionServiceTest.suite(), |
262 |
> |
FutureTaskTest.suite(), |
263 |
> |
LinkedBlockingDequeTest.suite(), |
264 |
> |
LinkedBlockingQueueTest.suite(), |
265 |
> |
LinkedListTest.suite(), |
266 |
> |
LockSupportTest.suite(), |
267 |
> |
PriorityBlockingQueueTest.suite(), |
268 |
> |
PriorityQueueTest.suite(), |
269 |
> |
ReentrantLockTest.suite(), |
270 |
> |
ReentrantReadWriteLockTest.suite(), |
271 |
> |
ScheduledExecutorTest.suite(), |
272 |
> |
ScheduledExecutorSubclassTest.suite(), |
273 |
> |
SemaphoreTest.suite(), |
274 |
> |
SynchronousQueueTest.suite(), |
275 |
> |
SystemTest.suite(), |
276 |
> |
ThreadLocalTest.suite(), |
277 |
> |
ThreadPoolExecutorTest.suite(), |
278 |
> |
ThreadPoolExecutorSubclassTest.suite(), |
279 |
> |
ThreadTest.suite(), |
280 |
> |
TimeUnitTest.suite(), |
281 |
> |
TreeMapTest.suite(), |
282 |
> |
TreeSetTest.suite(), |
283 |
> |
TreeSubMapTest.suite(), |
284 |
> |
TreeSubSetTest.suite()); |
285 |
> |
|
286 |
> |
// Java8+ test classes |
287 |
> |
if (atLeastJava8()) { |
288 |
> |
String[] java8TestClassNames = { |
289 |
> |
"CompletableFutureTest", |
290 |
> |
"ForkJoinPool8Test", |
291 |
> |
"StampedLockTest", |
292 |
> |
}; |
293 |
> |
addNamedTestClasses(suite, java8TestClassNames); |
294 |
> |
} |
295 |
|
|
296 |
|
return suite; |
297 |
|
} |
311 |
|
return 50; |
312 |
|
} |
313 |
|
|
208 |
– |
|
314 |
|
/** |
315 |
|
* Sets delays as multiples of SHORT_DELAY. |
316 |
|
*/ |
318 |
|
SHORT_DELAY_MS = getShortDelay(); |
319 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
320 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
321 |
< |
LONG_DELAY_MS = SHORT_DELAY_MS * 50; |
321 |
> |
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
322 |
> |
} |
323 |
> |
|
324 |
> |
/** |
325 |
> |
* Returns a timeout in milliseconds to be used in tests that |
326 |
> |
* verify that operations block or time out. |
327 |
> |
*/ |
328 |
> |
long timeoutMillis() { |
329 |
> |
return SHORT_DELAY_MS / 4; |
330 |
> |
} |
331 |
> |
|
332 |
> |
/** |
333 |
> |
* Returns a new Date instance representing a time delayMillis |
334 |
> |
* milliseconds in the future. |
335 |
> |
*/ |
336 |
> |
Date delayedDate(long delayMillis) { |
337 |
> |
return new Date(System.currentTimeMillis() + delayMillis); |
338 |
|
} |
339 |
|
|
340 |
|
/** |
358 |
|
} |
359 |
|
|
360 |
|
/** |
361 |
+ |
* Extra checks that get done for all test cases. |
362 |
+ |
* |
363 |
|
* Triggers test case failure if any thread assertions have failed, |
364 |
|
* by rethrowing, in the test harness thread, any exception recorded |
365 |
|
* earlier by threadRecordFailure. |
366 |
+ |
* |
367 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
368 |
|
*/ |
369 |
|
public void tearDown() throws Exception { |
370 |
< |
Throwable t = threadFailure.get(); |
370 |
> |
Throwable t = threadFailure.getAndSet(null); |
371 |
|
if (t != null) { |
372 |
|
if (t instanceof Error) |
373 |
|
throw (Error) t; |
382 |
|
throw afe; |
383 |
|
} |
384 |
|
} |
385 |
+ |
|
386 |
+ |
if (Thread.interrupted()) |
387 |
+ |
throw new AssertionFailedError("interrupt status set in main thread"); |
388 |
+ |
|
389 |
+ |
checkForkJoinPoolThreadLeaks(); |
390 |
+ |
} |
391 |
+ |
|
392 |
+ |
/** |
393 |
+ |
* Find missing try { ... } finally { joinPool(e); } |
394 |
+ |
*/ |
395 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
396 |
+ |
Thread[] survivors = new Thread[5]; |
397 |
+ |
int count = Thread.enumerate(survivors); |
398 |
+ |
for (int i = 0; i < count; i++) { |
399 |
+ |
Thread thread = survivors[i]; |
400 |
+ |
String name = thread.getName(); |
401 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
402 |
+ |
// give thread some time to terminate |
403 |
+ |
thread.join(LONG_DELAY_MS); |
404 |
+ |
if (!thread.isAlive()) continue; |
405 |
+ |
thread.stop(); |
406 |
+ |
throw new AssertionFailedError |
407 |
+ |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
408 |
+ |
toString(), name)); |
409 |
+ |
} |
410 |
+ |
} |
411 |
|
} |
412 |
|
|
413 |
|
/** |
539 |
|
else { |
540 |
|
AssertionFailedError afe = |
541 |
|
new AssertionFailedError("unexpected exception: " + t); |
542 |
< |
t.initCause(t); |
542 |
> |
afe.initCause(t); |
543 |
|
throw afe; |
544 |
|
} |
545 |
|
} |
546 |
|
|
547 |
|
/** |
548 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
549 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
550 |
+ |
* until time elapses. |
551 |
+ |
*/ |
552 |
+ |
static void delay(long millis) throws InterruptedException { |
553 |
+ |
long startTime = System.nanoTime(); |
554 |
+ |
long ns = millis * 1000 * 1000; |
555 |
+ |
for (;;) { |
556 |
+ |
if (millis > 0L) |
557 |
+ |
Thread.sleep(millis); |
558 |
+ |
else // too short to sleep |
559 |
+ |
Thread.yield(); |
560 |
+ |
long d = ns - (System.nanoTime() - startTime); |
561 |
+ |
if (d > 0L) |
562 |
+ |
millis = d / (1000 * 1000); |
563 |
+ |
else |
564 |
+ |
break; |
565 |
+ |
} |
566 |
+ |
} |
567 |
+ |
|
568 |
+ |
/** |
569 |
|
* Waits out termination of a thread pool or fails doing so. |
570 |
|
*/ |
571 |
< |
public void joinPool(ExecutorService exec) { |
571 |
> |
void joinPool(ExecutorService exec) { |
572 |
|
try { |
573 |
|
exec.shutdown(); |
574 |
|
assertTrue("ExecutorService did not terminate in a timely manner", |
575 |
< |
exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
575 |
> |
exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)); |
576 |
|
} catch (SecurityException ok) { |
577 |
|
// Allowed in case test doesn't have privs |
578 |
|
} catch (InterruptedException ie) { |
580 |
|
} |
581 |
|
} |
582 |
|
|
583 |
+ |
/** |
584 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
585 |
+ |
*/ |
586 |
+ |
static void printAllStackTraces() { |
587 |
+ |
for (ThreadInfo info : |
588 |
+ |
ManagementFactory.getThreadMXBean() |
589 |
+ |
.dumpAllThreads(true, true)) |
590 |
+ |
System.err.print(info); |
591 |
+ |
} |
592 |
+ |
|
593 |
+ |
/** |
594 |
+ |
* Checks that thread does not terminate within the default |
595 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
596 |
+ |
*/ |
597 |
+ |
void assertThreadStaysAlive(Thread thread) { |
598 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
599 |
+ |
} |
600 |
+ |
|
601 |
+ |
/** |
602 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
603 |
+ |
*/ |
604 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
605 |
+ |
try { |
606 |
+ |
// No need to optimize the failing case via Thread.join. |
607 |
+ |
delay(millis); |
608 |
+ |
assertTrue(thread.isAlive()); |
609 |
+ |
} catch (InterruptedException ie) { |
610 |
+ |
fail("Unexpected InterruptedException"); |
611 |
+ |
} |
612 |
+ |
} |
613 |
+ |
|
614 |
+ |
/** |
615 |
+ |
* Checks that the threads do not terminate within the default |
616 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
617 |
+ |
*/ |
618 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
619 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
620 |
+ |
} |
621 |
+ |
|
622 |
+ |
/** |
623 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
624 |
+ |
*/ |
625 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
626 |
+ |
try { |
627 |
+ |
// No need to optimize the failing case via Thread.join. |
628 |
+ |
delay(millis); |
629 |
+ |
for (Thread thread : threads) |
630 |
+ |
assertTrue(thread.isAlive()); |
631 |
+ |
} catch (InterruptedException ie) { |
632 |
+ |
fail("Unexpected InterruptedException"); |
633 |
+ |
} |
634 |
+ |
} |
635 |
+ |
|
636 |
+ |
/** |
637 |
+ |
* Checks that future.get times out, with the default timeout of |
638 |
+ |
* {@code timeoutMillis()}. |
639 |
+ |
*/ |
640 |
+ |
void assertFutureTimesOut(Future future) { |
641 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
642 |
+ |
} |
643 |
+ |
|
644 |
+ |
/** |
645 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
646 |
+ |
*/ |
647 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
648 |
+ |
long startTime = System.nanoTime(); |
649 |
+ |
try { |
650 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
651 |
+ |
shouldThrow(); |
652 |
+ |
} catch (TimeoutException success) { |
653 |
+ |
} catch (Exception e) { |
654 |
+ |
threadUnexpectedException(e); |
655 |
+ |
} finally { future.cancel(true); } |
656 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
657 |
+ |
} |
658 |
|
|
659 |
|
/** |
660 |
|
* Fails with message "should throw exception". |
707 |
|
SecurityManager sm = System.getSecurityManager(); |
708 |
|
if (sm == null) { |
709 |
|
r.run(); |
710 |
+ |
} |
711 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
712 |
+ |
} |
713 |
+ |
|
714 |
+ |
/** |
715 |
+ |
* Runs Runnable r with a security policy that permits precisely |
716 |
+ |
* the specified permissions. If there is no current security |
717 |
+ |
* manager, a temporary one is set for the duration of the |
718 |
+ |
* Runnable. We require that any security manager permit |
719 |
+ |
* getPolicy/setPolicy. |
720 |
+ |
*/ |
721 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
722 |
+ |
Permission... permissions) { |
723 |
+ |
SecurityManager sm = System.getSecurityManager(); |
724 |
+ |
if (sm == null) { |
725 |
|
Policy savedPolicy = Policy.getPolicy(); |
726 |
|
try { |
727 |
|
Policy.setPolicy(permissivePolicy()); |
728 |
|
System.setSecurityManager(new SecurityManager()); |
729 |
< |
runWithPermissions(r, permissions); |
729 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
730 |
|
} finally { |
731 |
|
System.setSecurityManager(null); |
732 |
|
Policy.setPolicy(savedPolicy); |
774 |
|
return perms.implies(p); |
775 |
|
} |
776 |
|
public void refresh() {} |
777 |
+ |
public String toString() { |
778 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
779 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
780 |
+ |
ps.add(e.nextElement()); |
781 |
+ |
return "AdjustablePolicy with permissions " + ps; |
782 |
+ |
} |
783 |
|
} |
784 |
|
|
785 |
|
/** |
802 |
|
} |
803 |
|
|
804 |
|
/** |
805 |
< |
* Sleep until the timeout has elapsed, or interrupted. |
806 |
< |
* Does <em>NOT</em> throw InterruptedException. |
805 |
> |
* Sleeps until the given time has elapsed. |
806 |
> |
* Throws AssertionFailedError if interrupted. |
807 |
|
*/ |
808 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
808 |
> |
void sleep(long millis) { |
809 |
|
try { |
810 |
< |
Thread.sleep(timeoutMillis); |
811 |
< |
} catch (InterruptedException wakeup) {} |
810 |
> |
delay(millis); |
811 |
> |
} catch (InterruptedException ie) { |
812 |
> |
AssertionFailedError afe = |
813 |
> |
new AssertionFailedError("Unexpected InterruptedException"); |
814 |
> |
afe.initCause(ie); |
815 |
> |
throw afe; |
816 |
> |
} |
817 |
> |
} |
818 |
> |
|
819 |
> |
/** |
820 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
821 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
822 |
> |
*/ |
823 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
824 |
> |
long startTime = System.nanoTime(); |
825 |
> |
for (;;) { |
826 |
> |
Thread.State s = thread.getState(); |
827 |
> |
if (s == Thread.State.BLOCKED || |
828 |
> |
s == Thread.State.WAITING || |
829 |
> |
s == Thread.State.TIMED_WAITING) |
830 |
> |
return; |
831 |
> |
else if (s == Thread.State.TERMINATED) |
832 |
> |
fail("Unexpected thread termination"); |
833 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
834 |
> |
threadAssertTrue(thread.isAlive()); |
835 |
> |
return; |
836 |
> |
} |
837 |
> |
Thread.yield(); |
838 |
> |
} |
839 |
> |
} |
840 |
> |
|
841 |
> |
/** |
842 |
> |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
843 |
> |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
844 |
> |
*/ |
845 |
> |
void waitForThreadToEnterWaitState(Thread thread) { |
846 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
847 |
> |
} |
848 |
> |
|
849 |
> |
/** |
850 |
> |
* Returns the number of milliseconds since time given by |
851 |
> |
* startNanoTime, which must have been previously returned from a |
852 |
> |
* call to {@link System.nanoTime()}. |
853 |
> |
*/ |
854 |
> |
long millisElapsedSince(long startNanoTime) { |
855 |
> |
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
856 |
|
} |
857 |
|
|
858 |
|
/** |
865 |
|
return t; |
866 |
|
} |
867 |
|
|
868 |
+ |
/** |
869 |
+ |
* Waits for the specified time (in milliseconds) for the thread |
870 |
+ |
* to terminate (using {@link Thread#join(long)}), else interrupts |
871 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
872 |
+ |
*/ |
873 |
+ |
void awaitTermination(Thread t, long timeoutMillis) { |
874 |
+ |
try { |
875 |
+ |
t.join(timeoutMillis); |
876 |
+ |
} catch (InterruptedException ie) { |
877 |
+ |
threadUnexpectedException(ie); |
878 |
+ |
} finally { |
879 |
+ |
if (t.getState() != Thread.State.TERMINATED) { |
880 |
+ |
t.interrupt(); |
881 |
+ |
fail("Test timed out"); |
882 |
+ |
} |
883 |
+ |
} |
884 |
+ |
} |
885 |
+ |
|
886 |
+ |
/** |
887 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
888 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
889 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
890 |
+ |
*/ |
891 |
+ |
void awaitTermination(Thread t) { |
892 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
893 |
+ |
} |
894 |
+ |
|
895 |
|
// Some convenient Runnable classes |
896 |
|
|
897 |
|
public abstract class CheckedRunnable implements Runnable { |
954 |
|
realRun(); |
955 |
|
threadShouldThrow("InterruptedException"); |
956 |
|
} catch (InterruptedException success) { |
957 |
+ |
threadAssertFalse(Thread.interrupted()); |
958 |
|
} catch (Throwable t) { |
959 |
|
threadUnexpectedException(t); |
960 |
|
} |
984 |
|
threadShouldThrow("InterruptedException"); |
985 |
|
return result; |
986 |
|
} catch (InterruptedException success) { |
987 |
+ |
threadAssertFalse(Thread.interrupted()); |
988 |
|
} catch (Throwable t) { |
989 |
|
threadUnexpectedException(t); |
990 |
|
} |
1008 |
|
|
1009 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1010 |
|
return new CheckedCallable<String>() { |
1011 |
< |
public String realCall() { |
1011 |
> |
protected String realCall() { |
1012 |
|
try { |
1013 |
|
latch.await(); |
1014 |
|
} catch (InterruptedException quittingTime) {} |
1016 |
|
}}; |
1017 |
|
} |
1018 |
|
|
1019 |
+ |
public Runnable awaiter(final CountDownLatch latch) { |
1020 |
+ |
return new CheckedRunnable() { |
1021 |
+ |
public void realRun() throws InterruptedException { |
1022 |
+ |
await(latch); |
1023 |
+ |
}}; |
1024 |
+ |
} |
1025 |
+ |
|
1026 |
+ |
public void await(CountDownLatch latch) { |
1027 |
+ |
try { |
1028 |
+ |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1029 |
+ |
} catch (Throwable t) { |
1030 |
+ |
threadUnexpectedException(t); |
1031 |
+ |
} |
1032 |
+ |
} |
1033 |
+ |
|
1034 |
+ |
public void await(Semaphore semaphore) { |
1035 |
+ |
try { |
1036 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1037 |
+ |
} catch (Throwable t) { |
1038 |
+ |
threadUnexpectedException(t); |
1039 |
+ |
} |
1040 |
+ |
} |
1041 |
+ |
|
1042 |
+ |
// /** |
1043 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1044 |
+ |
// */ |
1045 |
+ |
// public void await(AtomicBoolean flag) { |
1046 |
+ |
// await(flag, LONG_DELAY_MS); |
1047 |
+ |
// } |
1048 |
+ |
|
1049 |
+ |
// /** |
1050 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1051 |
+ |
// */ |
1052 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1053 |
+ |
// long startTime = System.nanoTime(); |
1054 |
+ |
// while (!flag.get()) { |
1055 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1056 |
+ |
// throw new AssertionFailedError("timed out"); |
1057 |
+ |
// Thread.yield(); |
1058 |
+ |
// } |
1059 |
+ |
// } |
1060 |
+ |
|
1061 |
|
public static class NPETask implements Callable<String> { |
1062 |
|
public String call() { throw new NullPointerException(); } |
1063 |
|
} |
1068 |
|
|
1069 |
|
public class ShortRunnable extends CheckedRunnable { |
1070 |
|
protected void realRun() throws Throwable { |
1071 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1071 |
> |
delay(SHORT_DELAY_MS); |
1072 |
|
} |
1073 |
|
} |
1074 |
|
|
1075 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1076 |
|
protected void realRun() throws InterruptedException { |
1077 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1077 |
> |
delay(SHORT_DELAY_MS); |
1078 |
|
} |
1079 |
|
} |
1080 |
|
|
1081 |
|
public class SmallRunnable extends CheckedRunnable { |
1082 |
|
protected void realRun() throws Throwable { |
1083 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1083 |
> |
delay(SMALL_DELAY_MS); |
1084 |
|
} |
1085 |
|
} |
1086 |
|
|
1087 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1088 |
|
protected void realRun() { |
1089 |
|
try { |
1090 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1090 |
> |
delay(SMALL_DELAY_MS); |
1091 |
|
} catch (InterruptedException ok) {} |
1092 |
|
} |
1093 |
|
} |
1094 |
|
|
1095 |
|
public class SmallCallable extends CheckedCallable { |
1096 |
|
protected Object realCall() throws InterruptedException { |
1097 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1097 |
> |
delay(SMALL_DELAY_MS); |
1098 |
|
return Boolean.TRUE; |
1099 |
|
} |
1100 |
|
} |
1101 |
|
|
1102 |
|
public class MediumRunnable extends CheckedRunnable { |
1103 |
|
protected void realRun() throws Throwable { |
1104 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1104 |
> |
delay(MEDIUM_DELAY_MS); |
1105 |
|
} |
1106 |
|
} |
1107 |
|
|
1108 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1109 |
|
protected void realRun() throws InterruptedException { |
1110 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1110 |
> |
delay(MEDIUM_DELAY_MS); |
1111 |
|
} |
1112 |
|
} |
1113 |
|
|
1114 |
+ |
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1115 |
+ |
return new CheckedRunnable() { |
1116 |
+ |
protected void realRun() { |
1117 |
+ |
try { |
1118 |
+ |
delay(timeoutMillis); |
1119 |
+ |
} catch (InterruptedException ok) {} |
1120 |
+ |
}}; |
1121 |
+ |
} |
1122 |
+ |
|
1123 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1124 |
|
protected void realRun() { |
1125 |
|
try { |
1126 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1126 |
> |
delay(MEDIUM_DELAY_MS); |
1127 |
|
} catch (InterruptedException ok) {} |
1128 |
|
} |
1129 |
|
} |
1131 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1132 |
|
protected void realRun() { |
1133 |
|
try { |
1134 |
< |
Thread.sleep(LONG_DELAY_MS); |
1134 |
> |
delay(LONG_DELAY_MS); |
1135 |
|
} catch (InterruptedException ok) {} |
1136 |
|
} |
1137 |
|
} |
1145 |
|
} |
1146 |
|
} |
1147 |
|
|
1148 |
+ |
public interface TrackedRunnable extends Runnable { |
1149 |
+ |
boolean isDone(); |
1150 |
+ |
} |
1151 |
+ |
|
1152 |
+ |
public static TrackedRunnable trackedRunnable(final long timeoutMillis) { |
1153 |
+ |
return new TrackedRunnable() { |
1154 |
+ |
private volatile boolean done = false; |
1155 |
+ |
public boolean isDone() { return done; } |
1156 |
+ |
public void run() { |
1157 |
+ |
try { |
1158 |
+ |
delay(timeoutMillis); |
1159 |
+ |
done = true; |
1160 |
+ |
} catch (InterruptedException ok) {} |
1161 |
+ |
} |
1162 |
+ |
}; |
1163 |
+ |
} |
1164 |
+ |
|
1165 |
|
public static class TrackedShortRunnable implements Runnable { |
1166 |
|
public volatile boolean done = false; |
1167 |
|
public void run() { |
1168 |
|
try { |
1169 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1169 |
> |
delay(SHORT_DELAY_MS); |
1170 |
> |
done = true; |
1171 |
> |
} catch (InterruptedException ok) {} |
1172 |
> |
} |
1173 |
> |
} |
1174 |
> |
|
1175 |
> |
public static class TrackedSmallRunnable implements Runnable { |
1176 |
> |
public volatile boolean done = false; |
1177 |
> |
public void run() { |
1178 |
> |
try { |
1179 |
> |
delay(SMALL_DELAY_MS); |
1180 |
|
done = true; |
1181 |
|
} catch (InterruptedException ok) {} |
1182 |
|
} |
1186 |
|
public volatile boolean done = false; |
1187 |
|
public void run() { |
1188 |
|
try { |
1189 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1189 |
> |
delay(MEDIUM_DELAY_MS); |
1190 |
|
done = true; |
1191 |
|
} catch (InterruptedException ok) {} |
1192 |
|
} |
1196 |
|
public volatile boolean done = false; |
1197 |
|
public void run() { |
1198 |
|
try { |
1199 |
< |
Thread.sleep(LONG_DELAY_MS); |
1199 |
> |
delay(LONG_DELAY_MS); |
1200 |
|
done = true; |
1201 |
|
} catch (InterruptedException ok) {} |
1202 |
|
} |
1213 |
|
public volatile boolean done = false; |
1214 |
|
public Object call() { |
1215 |
|
try { |
1216 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1216 |
> |
delay(SMALL_DELAY_MS); |
1217 |
|
done = true; |
1218 |
|
} catch (InterruptedException ok) {} |
1219 |
|
return Boolean.TRUE; |
1259 |
|
ThreadPoolExecutor executor) {} |
1260 |
|
} |
1261 |
|
|
1262 |
+ |
/** |
1263 |
+ |
* A CyclicBarrier that uses timed await and fails with |
1264 |
+ |
* AssertionFailedErrors instead of throwing checked exceptions. |
1265 |
+ |
*/ |
1266 |
+ |
public class CheckedBarrier extends CyclicBarrier { |
1267 |
+ |
public CheckedBarrier(int parties) { super(parties); } |
1268 |
+ |
|
1269 |
+ |
public int await() { |
1270 |
+ |
try { |
1271 |
+ |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1272 |
+ |
} catch (TimeoutException e) { |
1273 |
+ |
throw new AssertionFailedError("timed out"); |
1274 |
+ |
} catch (Exception e) { |
1275 |
+ |
AssertionFailedError afe = |
1276 |
+ |
new AssertionFailedError("Unexpected exception: " + e); |
1277 |
+ |
afe.initCause(e); |
1278 |
+ |
throw afe; |
1279 |
+ |
} |
1280 |
+ |
} |
1281 |
+ |
} |
1282 |
+ |
|
1283 |
+ |
void checkEmpty(BlockingQueue q) { |
1284 |
+ |
try { |
1285 |
+ |
assertTrue(q.isEmpty()); |
1286 |
+ |
assertEquals(0, q.size()); |
1287 |
+ |
assertNull(q.peek()); |
1288 |
+ |
assertNull(q.poll()); |
1289 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
1290 |
+ |
assertEquals(q.toString(), "[]"); |
1291 |
+ |
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1292 |
+ |
assertFalse(q.iterator().hasNext()); |
1293 |
+ |
try { |
1294 |
+ |
q.element(); |
1295 |
+ |
shouldThrow(); |
1296 |
+ |
} catch (NoSuchElementException success) {} |
1297 |
+ |
try { |
1298 |
+ |
q.iterator().next(); |
1299 |
+ |
shouldThrow(); |
1300 |
+ |
} catch (NoSuchElementException success) {} |
1301 |
+ |
try { |
1302 |
+ |
q.remove(); |
1303 |
+ |
shouldThrow(); |
1304 |
+ |
} catch (NoSuchElementException success) {} |
1305 |
+ |
} catch (InterruptedException ie) { |
1306 |
+ |
threadUnexpectedException(ie); |
1307 |
+ |
} |
1308 |
+ |
} |
1309 |
+ |
|
1310 |
+ |
void assertSerialEquals(Object x, Object y) { |
1311 |
+ |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1312 |
+ |
} |
1313 |
+ |
|
1314 |
+ |
void assertNotSerialEquals(Object x, Object y) { |
1315 |
+ |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1316 |
+ |
} |
1317 |
+ |
|
1318 |
+ |
byte[] serialBytes(Object o) { |
1319 |
+ |
try { |
1320 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1321 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1322 |
+ |
oos.writeObject(o); |
1323 |
+ |
oos.flush(); |
1324 |
+ |
oos.close(); |
1325 |
+ |
return bos.toByteArray(); |
1326 |
+ |
} catch (Throwable t) { |
1327 |
+ |
threadUnexpectedException(t); |
1328 |
+ |
return new byte[0]; |
1329 |
+ |
} |
1330 |
+ |
} |
1331 |
+ |
|
1332 |
+ |
@SuppressWarnings("unchecked") |
1333 |
+ |
<T> T serialClone(T o) { |
1334 |
+ |
try { |
1335 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1336 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1337 |
+ |
T clone = (T) ois.readObject(); |
1338 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1339 |
+ |
return clone; |
1340 |
+ |
} catch (Throwable t) { |
1341 |
+ |
threadUnexpectedException(t); |
1342 |
+ |
return null; |
1343 |
+ |
} |
1344 |
+ |
} |
1345 |
|
} |