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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.Constructor; |
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import java.lang.reflect.Method; |
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import java.lang.reflect.Modifier; |
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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.util.concurrent.Callable; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.CyclicBarrier; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.RecursiveAction; |
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private static final int suiteRuns = |
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Integer.getInteger("jsr166.suiteRuns", 1); |
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|
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public JSR166TestCase() { super(); } |
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public JSR166TestCase(String name) { super(name); } |
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|
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/** |
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* A filter for tests to run, matching strings of the form |
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* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
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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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public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
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public static boolean atLeastJava9() { |
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return JAVA_CLASS_VERSION >= 53.0 |
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// As of 2015-09, java9 still uses 52.0 class file version |
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|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
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} |
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public static boolean atLeastJava10() { |
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return JAVA_CLASS_VERSION >= 54.0 |
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|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
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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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// Java9+ test classes |
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if (atLeastJava9()) { |
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String[] java9TestClassNames = { |
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< |
"ThreadPoolExecutor9Test", |
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// Currently empty |
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}; |
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addNamedTestClasses(suite, java9TestClassNames); |
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} |
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return suite; |
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} |
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|
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/** Returns list of junit-style test method names in given class. */ |
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public static ArrayList<String> testMethodNames(Class<?> testClass) { |
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Method[] methods = testClass.getDeclaredMethods(); |
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ArrayList<String> names = new ArrayList<String>(methods.length); |
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for (Method method : methods) { |
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if (method.getName().startsWith("test") |
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&& Modifier.isPublic(method.getModifiers()) |
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// method.getParameterCount() requires jdk8+ |
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&& method.getParameterTypes().length == 0) { |
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names.add(method.getName()); |
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} |
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} |
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return names; |
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} |
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|
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/** |
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* Returns junit-style testSuite for the given test class, but |
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* parameterized by passing extra data to each test. |
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*/ |
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public static <ExtraData> Test parameterizedTestSuite |
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(Class<? extends JSR166TestCase> testClass, |
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Class<ExtraData> dataClass, |
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ExtraData data) { |
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try { |
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TestSuite suite = new TestSuite(); |
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Constructor c = |
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testClass.getDeclaredConstructor(dataClass, String.class); |
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for (String methodName : testMethodNames(testClass)) |
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suite.addTest((Test) c.newInstance(data, methodName)); |
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return suite; |
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} catch (Exception e) { |
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throw new Error(e); |
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} |
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} |
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|
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/** |
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* Returns junit-style testSuite for the jdk8 extension of the |
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* given test class, but parameterized by passing extra data to |
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* each test. Uses reflection to allow compilation in jdk7. |
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*/ |
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public static <ExtraData> Test jdk8ParameterizedTestSuite |
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(Class<? extends JSR166TestCase> testClass, |
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Class<ExtraData> dataClass, |
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ExtraData data) { |
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if (atLeastJava8()) { |
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String name = testClass.getName(); |
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String name8 = name.replaceAll("Test$", "8Test"); |
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if (name.equals(name8)) throw new Error(name); |
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try { |
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return (Test) |
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Class.forName(name8) |
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.getMethod("testSuite", new Class[] { dataClass }) |
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.invoke(null, data); |
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} catch (Exception e) { |
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throw new Error(e); |
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} |
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} else { |
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return new TestSuite(); |
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} |
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|
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} |
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|
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// Delays for timing-dependent tests, in milliseconds. |
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|
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public static long SHORT_DELAY_MS; |
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} |
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|
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/** |
494 |
< |
* Returns a new Date instance representing a time delayMillis |
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< |
* milliseconds in the future. |
494 |
> |
* Returns a new Date instance representing a time at least |
495 |
> |
* delayMillis milliseconds in the future. |
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*/ |
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Date delayedDate(long delayMillis) { |
498 |
< |
return new Date(System.currentTimeMillis() + delayMillis); |
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> |
// Add 1 because currentTimeMillis is known to round into the past. |
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> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
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} |
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|
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/** |
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// give thread some time to terminate |
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thread.join(LONG_DELAY_MS); |
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if (!thread.isAlive()) continue; |
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thread.stop(); |
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throw new AssertionFailedError |
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(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
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toString(), name)); |
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/** |
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* Waits out termination of a thread pool or fails doing so. |
731 |
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*/ |
732 |
< |
void joinPool(ExecutorService exec) { |
732 |
> |
void joinPool(ExecutorService pool) { |
733 |
|
try { |
734 |
< |
exec.shutdown(); |
735 |
< |
if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
736 |
< |
fail("ExecutorService " + exec + |
734 |
> |
pool.shutdown(); |
735 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
736 |
> |
fail("ExecutorService " + pool + |
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" did not terminate in a timely manner"); |
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} catch (SecurityException ok) { |
739 |
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// Allowed in case test doesn't have privs |
742 |
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} |
743 |
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} |
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|
|
745 |
+ |
/** Like Runnable, but with the freedom to throw anything */ |
746 |
+ |
interface Thunk { public void run() throws Throwable; } |
747 |
+ |
|
748 |
+ |
/** |
749 |
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* Runs all the given tasks in parallel, failing if any fail. |
750 |
+ |
* Useful for running multiple variants of tests that are |
751 |
+ |
* necessarily individually slow because they must block. |
752 |
+ |
*/ |
753 |
+ |
void testInParallel(Thunk ... thunks) { |
754 |
+ |
ExecutorService pool = Executors.newCachedThreadPool(); |
755 |
+ |
try { |
756 |
+ |
ArrayList<Future<?>> futures = new ArrayList<>(thunks.length); |
757 |
+ |
for (final Thunk thunk : thunks) |
758 |
+ |
futures.add(pool.submit(new CheckedRunnable() { |
759 |
+ |
public void realRun() throws Throwable { thunk.run();}})); |
760 |
+ |
for (Future<?> future : futures) |
761 |
+ |
try { |
762 |
+ |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
763 |
+ |
} catch (ExecutionException ex) { |
764 |
+ |
threadUnexpectedException(ex.getCause()); |
765 |
+ |
} catch (Exception ex) { |
766 |
+ |
threadUnexpectedException(ex); |
767 |
+ |
} |
768 |
+ |
} finally { |
769 |
+ |
joinPool(pool); |
770 |
+ |
} |
771 |
+ |
} |
772 |
+ |
|
773 |
|
/** |
774 |
|
* A debugging tool to print all stack traces, as jstack does. |
775 |
|
*/ |