Class ForkJoinPoolTest

java.lang.Object
  junit.framework.Assert
      junit.framework.TestCase
          JSR166TestCase
              ForkJoinPoolTest

All Implemented Interfaces:

junit.framework.Test

public class ForkJoinPoolTest
extends JSR166TestCase

Nested Class Summary

Nested classes/interfaces inherited from class JSR166TestCase

JSR166TestCase.AdjustablePolicy, JSR166TestCase.CallableOne, JSR166TestCase.CheckedBarrier, JSR166TestCase.CheckedCallable<T>, JSR166TestCase.CheckedInterruptedCallable<T>, JSR166TestCase.CheckedInterruptedRunnable, JSR166TestCase.CheckedRecursiveAction, JSR166TestCase.CheckedRecursiveTask<T>, JSR166TestCase.CheckedRunnable, JSR166TestCase.LongPossiblyInterruptedRunnable, JSR166TestCase.MediumInterruptedRunnable, JSR166TestCase.MediumPossiblyInterruptedRunnable, JSR166TestCase.MediumRunnable, JSR166TestCase.NoOpCallable, JSR166TestCase.NoOpREHandler, JSR166TestCase.NoOpRunnable, JSR166TestCase.NPETask, JSR166TestCase.RunnableShouldThrow, JSR166TestCase.ShortInterruptedRunnable, JSR166TestCase.ShortRunnable, JSR166TestCase.SimpleThreadFactory, JSR166TestCase.SmallCallable, JSR166TestCase.SmallPossiblyInterruptedRunnable, JSR166TestCase.SmallRunnable, JSR166TestCase.StringTask, JSR166TestCase.ThreadShouldThrow, JSR166TestCase.TrackedCallable, JSR166TestCase.TrackedLongRunnable, JSR166TestCase.TrackedMediumRunnable, JSR166TestCase.TrackedNoOpRunnable, JSR166TestCase.TrackedRunnable, JSR166TestCase.TrackedShortRunnable, JSR166TestCase.TrackedSmallRunnable

Field Summary

Fields inherited from class JSR166TestCase

eight, expensiveTests, five, four, LONG_DELAY_MS, m1, m10, m2, m3, m4, m5, m6, MEDIUM_DELAY_MS, nine, one, seven, SHORT_DELAY_MS, six, SIZE, SMALL_DELAY_MS, TEST_STRING, three, two, zero

Constructor Summary

ForkJoinPoolTest()

Method Summary

static void	main(java.lang.String[] args)
static junit.framework.Test	suite()
void	testBlockingForkJoinTask() Pool maintains parallelism when using ManagedBlocker
void	testConstructor1() Constructor throws if size argument is less than zero
void	testConstructor2() Constructor throws if factory argument is null
void	testDefaultInitialState() Successfully constructed pool reports default factory, parallelism and async mode policies, no active threads or tasks, and quiescent running state.
void	testDrainTasksTo() drainTasksTo transfers unexecuted submitted tasks, if present
void	testExecuteNullRunnable() execute(null runnable) throws NullPointerException
void	testExecuteRunnable() execute(runnable) runs it to completion
void	testGetParallelism() getParallelism returns size set in constructor
void	testGetPoolSize() getPoolSize returns number of started workers.
void	testInterruptedSubmit() submit(callable).get() throws InterruptedException if interrupted
void	testInvokeAll1() invokeAll(null) throws NullPointerException
void	testInvokeAll2() invokeAll(empty collection) returns empty collection
void	testInvokeAll3() invokeAll(c) throws NullPointerException if c has null elements
void	testInvokeAll4() get of returned element of invokeAll(c) throws ExecutionException on failed task
void	testInvokeAll5() invokeAll(c) returns results of all completed tasks in c
void	testInvokeAny1() invokeAny(null) throws NullPointerException
void	testInvokeAny2() invokeAny(empty collection) throws IllegalArgumentException
void	testInvokeAny3() invokeAny(c) throws NullPointerException if c has a single null element
void	testInvokeAny4() invokeAny(c) throws NullPointerException if c has null elements
void	testInvokeAny5() invokeAny(c) throws ExecutionException if no task in c completes
void	testInvokeAny6() invokeAny(c) returns result of some task in c if at least one completes
void	testisQuiescent() After invoking a single task, isQuiescent is true, queues are empty, threads are not active, and construction parameters continue to hold
void	testPollSubmission() pollSubmission returns unexecuted submitted task, if present
void	testSetUncaughtExceptionHandler() setUncaughtExceptionHandler changes handler for uncaught exceptions.
void	testSubmitAfterShutdown() A task submitted after shutdown is rejected
void	testSubmitCallable() Completed submit(callable) returns result
void	testSubmitEE() get of submit(callable) throws ExecutionException if callable throws exception
void	testSubmitFailedPrivilegedExceptionAction() A submitted failed privileged exception action reports exception
void	testSubmitForkJoinTask() Completed submit(ForkJoinTask) returns result
void	testSubmitNullCallable() submit(null callable) throws NullPointerException
void	testSubmitPrivilegedAction() A submitted privileged action runs to completion
void	testSubmitPrivilegedExceptionAction() A submitted privileged exception action runs to completion
void	testSubmitRunnable() Completed submit(runnable) returns successfully
void	testSubmitRunnable2() Completed submit(runnable, result) returns result
void	testTimedInvokeAll1() timed invokeAll(null) throws NullPointerException
void	testTimedInvokeAll2() timed invokeAll(empty collection) returns empty collection
void	testTimedInvokeAll3() timed invokeAll(c) throws NullPointerException if c has null elements
void	testTimedInvokeAll4() get of returned element of invokeAll(c) throws exception on failed task
void	testTimedInvokeAll5() timed invokeAll(c) returns results of all completed tasks in c
void	testTimedInvokeAllNullTimeUnit() timed invokeAll(null time unit) throws NullPointerException
void	testTimedInvokeAny1() timed invokeAny(null) throws NullPointerException
void	testTimedInvokeAny2() timed invokeAny(empty collection) throws IllegalArgumentException
void	testTimedInvokeAny3() timed invokeAny(c) throws NullPointerException if c has null elements
void	testTimedInvokeAny4() timed invokeAny(c) throws ExecutionException if no task completes
void	testTimedInvokeAny5() timed invokeAny(c) returns result of some task in c
void	testTimedInvokeAnyNullTimeUnit() timed invokeAny(null time unit) throws NullPointerException

Methods inherited from class JSR166TestCase

assertThreadJoinTimesOut, awaiter, checkEmpty, delay, getShortDelay, joinPool, latchAwaitingStringTask, newTestSuite, permissivePolicy, possiblyInterruptedRunnable, runTest, runTestProfiled, runWithoutPermissions, runWithPermissions, setDelays, setUp, shouldThrow, shouldThrow, tearDown, threadAssertEquals, threadAssertEquals, threadAssertFalse, threadAssertNull, threadAssertSame, threadAssertTrue, threadFail, threadRecordFailure, threadShouldThrow, threadShouldThrow, threadUnexpectedException, trackedRunnable

Methods inherited from class junit.framework.TestCase

countTestCases, createResult, getName, run, run, runBare, setName, toString

Methods inherited from class junit.framework.Assert

assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertFalse, assertFalse, assertNotNull, assertNotNull, assertNotSame, assertNotSame, assertNull, assertNull, assertSame, assertSame, assertTrue, assertTrue, fail, fail, failNotEquals, failNotSame, failSame, format

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ForkJoinPoolTest

public ForkJoinPoolTest()

Method Detail

main

public static void main(java.lang.String[] args)

suite

public static junit.framework.Test suite()

testDefaultInitialState

public void testDefaultInitialState()

Successfully constructed pool reports default factory, parallelism and async mode policies, no active threads or tasks, and quiescent running state.

testConstructor1

public void testConstructor1()

Constructor throws if size argument is less than zero

testConstructor2

public void testConstructor2()

Constructor throws if factory argument is null

testGetParallelism

public void testGetParallelism()

getParallelism returns size set in constructor

testGetPoolSize

public void testGetPoolSize()

getPoolSize returns number of started workers.

testSetUncaughtExceptionHandler

public void testSetUncaughtExceptionHandler()
                                     throws java.lang.InterruptedException

setUncaughtExceptionHandler changes handler for uncaught exceptions. Additionally tests: Overriding ForkJoinWorkerThread.onStart performs its defined action

Throws:

java.lang.InterruptedException

testisQuiescent

public void testisQuiescent()
                     throws java.lang.InterruptedException

After invoking a single task, isQuiescent is true, queues are empty, threads are not active, and construction parameters continue to hold

Throws:

java.lang.InterruptedException

testSubmitForkJoinTask

public void testSubmitForkJoinTask()
                            throws java.lang.Throwable

Completed submit(ForkJoinTask) returns result

Throws:

java.lang.Throwable

testSubmitAfterShutdown

public void testSubmitAfterShutdown()

A task submitted after shutdown is rejected

testBlockingForkJoinTask

public void testBlockingForkJoinTask()
                              throws java.lang.Throwable

Pool maintains parallelism when using ManagedBlocker

Throws:

java.lang.Throwable

testPollSubmission

public void testPollSubmission()

pollSubmission returns unexecuted submitted task, if present

testDrainTasksTo

public void testDrainTasksTo()

drainTasksTo transfers unexecuted submitted tasks, if present

testExecuteRunnable

public void testExecuteRunnable()
                         throws java.lang.Throwable

execute(runnable) runs it to completion

Throws:

java.lang.Throwable

testSubmitCallable

public void testSubmitCallable()
                        throws java.lang.Throwable

Completed submit(callable) returns result

Throws:

java.lang.Throwable

testSubmitRunnable

public void testSubmitRunnable()
                        throws java.lang.Throwable

Completed submit(runnable) returns successfully

Throws:

java.lang.Throwable

testSubmitRunnable2

public void testSubmitRunnable2()
                         throws java.lang.Throwable

Completed submit(runnable, result) returns result

Throws:

java.lang.Throwable

testSubmitPrivilegedAction

public void testSubmitPrivilegedAction()
                                throws java.lang.Exception

A submitted privileged action runs to completion

Throws:

java.lang.Exception

testSubmitPrivilegedExceptionAction

public void testSubmitPrivilegedExceptionAction()
                                         throws java.lang.Exception

A submitted privileged exception action runs to completion

Throws:

java.lang.Exception

testSubmitFailedPrivilegedExceptionAction

public void testSubmitFailedPrivilegedExceptionAction()
                                               throws java.lang.Exception

A submitted failed privileged exception action reports exception

Throws:

java.lang.Exception

testExecuteNullRunnable

public void testExecuteNullRunnable()

execute(null runnable) throws NullPointerException

testSubmitNullCallable

public void testSubmitNullCallable()

submit(null callable) throws NullPointerException

testInterruptedSubmit

public void testInterruptedSubmit()
                           throws java.lang.InterruptedException

submit(callable).get() throws InterruptedException if interrupted

Throws:

java.lang.InterruptedException

testSubmitEE

public void testSubmitEE()
                  throws java.lang.Throwable

get of submit(callable) throws ExecutionException if callable throws exception

Throws:

java.lang.Throwable

testInvokeAny1

public void testInvokeAny1()
                    throws java.lang.Throwable

invokeAny(null) throws NullPointerException

Throws:

java.lang.Throwable

testInvokeAny2

public void testInvokeAny2()
                    throws java.lang.Throwable

invokeAny(empty collection) throws IllegalArgumentException

Throws:

java.lang.Throwable

testInvokeAny3

public void testInvokeAny3()
                    throws java.lang.Throwable

invokeAny(c) throws NullPointerException if c has a single null element

Throws:

java.lang.Throwable

testInvokeAny4

public void testInvokeAny4()
                    throws java.lang.Throwable

invokeAny(c) throws NullPointerException if c has null elements

Throws:

java.lang.Throwable

testInvokeAny5

public void testInvokeAny5()
                    throws java.lang.Throwable

invokeAny(c) throws ExecutionException if no task in c completes

Throws:

java.lang.Throwable

testInvokeAny6

public void testInvokeAny6()
                    throws java.lang.Throwable

invokeAny(c) returns result of some task in c if at least one completes

Throws:

java.lang.Throwable

testInvokeAll1

public void testInvokeAll1()
                    throws java.lang.Throwable

invokeAll(null) throws NullPointerException

Throws:

java.lang.Throwable

testInvokeAll2

public void testInvokeAll2()
                    throws java.lang.InterruptedException

invokeAll(empty collection) returns empty collection

Throws:

java.lang.InterruptedException

testInvokeAll3

public void testInvokeAll3()
                    throws java.lang.InterruptedException

invokeAll(c) throws NullPointerException if c has null elements

Throws:

java.lang.InterruptedException

testInvokeAll4

public void testInvokeAll4()
                    throws java.lang.Throwable

get of returned element of invokeAll(c) throws ExecutionException on failed task

Throws:

java.lang.Throwable

testInvokeAll5

public void testInvokeAll5()
                    throws java.lang.Throwable

invokeAll(c) returns results of all completed tasks in c

Throws:

java.lang.Throwable

testTimedInvokeAny1

public void testTimedInvokeAny1()
                         throws java.lang.Throwable

timed invokeAny(null) throws NullPointerException

Throws:

java.lang.Throwable

testTimedInvokeAnyNullTimeUnit

public void testTimedInvokeAnyNullTimeUnit()
                                    throws java.lang.Throwable

timed invokeAny(null time unit) throws NullPointerException

Throws:

java.lang.Throwable

testTimedInvokeAny2

public void testTimedInvokeAny2()
                         throws java.lang.Throwable

timed invokeAny(empty collection) throws IllegalArgumentException

Throws:

java.lang.Throwable

testTimedInvokeAny3

public void testTimedInvokeAny3()
                         throws java.lang.Throwable

timed invokeAny(c) throws NullPointerException if c has null elements

Throws:

java.lang.Throwable

testTimedInvokeAny4

public void testTimedInvokeAny4()
                         throws java.lang.Throwable

timed invokeAny(c) throws ExecutionException if no task completes

Throws:

java.lang.Throwable

testTimedInvokeAny5

public void testTimedInvokeAny5()
                         throws java.lang.Throwable

timed invokeAny(c) returns result of some task in c

Throws:

java.lang.Throwable

testTimedInvokeAll1

public void testTimedInvokeAll1()
                         throws java.lang.Throwable

timed invokeAll(null) throws NullPointerException

Throws:

java.lang.Throwable

testTimedInvokeAllNullTimeUnit

public void testTimedInvokeAllNullTimeUnit()
                                    throws java.lang.Throwable

timed invokeAll(null time unit) throws NullPointerException

Throws:

java.lang.Throwable

testTimedInvokeAll2

public void testTimedInvokeAll2()
                         throws java.lang.InterruptedException

timed invokeAll(empty collection) returns empty collection

Throws:

java.lang.InterruptedException

testTimedInvokeAll3

public void testTimedInvokeAll3()
                         throws java.lang.InterruptedException

timed invokeAll(c) throws NullPointerException if c has null elements

Throws:

java.lang.InterruptedException

testTimedInvokeAll4

public void testTimedInvokeAll4()
                         throws java.lang.Throwable

get of returned element of invokeAll(c) throws exception on failed task

Throws:

java.lang.Throwable

testTimedInvokeAll5

public void testTimedInvokeAll5()
                         throws java.lang.Throwable

timed invokeAll(c) returns results of all completed tasks in c

Throws:

java.lang.Throwable