Examples with RecursiveAction java8.util.concurrent.RecursiveAction used on opensource projects

Example 91 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class ForkJoinTaskTest method testInForkJoinPool.

/**
 * inForkJoinPool of executing task returns true
 */
public void testInForkJoinPool() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            assertTrue(inForkJoinPool());
        }
    };
    testInvokeOnPool(mainPool(), a);
}

Example 92 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class ForkJoinTaskTest method testTryUnfork.

/**
 * tryUnfork returns true for most recent unexecuted task,
 * and suppresses execution
 */
public void testTryUnfork() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            AsyncFib g = new AsyncFib(9);
            assertSame(g, g.fork());
            AsyncFib f = new AsyncFib(8);
            assertSame(f, f.fork());
            assertTrue(f.tryUnfork());
            helpQuiesce();
            checkNotDone(f);
            checkCompletedNormally(g);
        }
    };
    testInvokeOnPool(singletonPool(), a);
}

Example 93 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class ForkJoinTaskTest method testAbnormalQuietlyInvoke.

/**
 * quietlyInvoke task returns when task completes abnormally
 */
public void testAbnormalQuietlyInvoke() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            FailingAsyncFib f = new FailingAsyncFib(8);
            f.quietlyInvoke();
            assertTrue(f.getException() instanceof FJException);
            checkCompletedAbnormally(f, f.getException());
        }
    };
    testInvokeOnPool(mainPool(), a);
}

Example 94 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class ForkJoinTaskTest method testInvokeAllNPE.

/**
 * invokeAll(tasks) with any null task throws NPE
 */
public void testInvokeAllNPE() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() {
            AsyncFib f = new AsyncFib(8);
            AsyncFib g = new AsyncFib(9);
            AsyncFib h = null;
            try {
                invokeAll(f, g, h);
                shouldThrow();
            } catch (NullPointerException success) {
            }
        }
    };
    testInvokeOnPool(mainPool(), a);
}

Example 95 with RecursiveAction

use of java8.util.concurrent.RecursiveAction in project streamsupport by stefan-zobel.

the class ForkJoinTaskTest method testAbnormalForkTimedGetSingleton.

/**
 * timed get of a forked task throws exception when task completes abnormally
 */
public void testAbnormalForkTimedGetSingleton() {
    @SuppressWarnings("serial") RecursiveAction a = new CheckedRecursiveAction() {

        protected void realCompute() throws Exception {
            FailingAsyncFib f = new FailingAsyncFib(8);
            assertSame(f, f.fork());
            try {
                f.get(LONG_DELAY_MS, MILLISECONDS);
                shouldThrow();
            } catch (ExecutionException success) {
                Throwable cause = success.getCause();
                assertTrue(cause instanceof FJException);
                checkCompletedAbnormally(f, cause);
            }
        }
    };
    testInvokeOnPool(singletonPool(), a);
}