Examples with Doubles java8.lang.Doubles used on opensource projects

Example 16 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class SplittableRandomTest method testUnsizedDoublesCountSeq.

/**
 * A sequential unsized stream of doubles generates at least 100 values
 */
public void testUnsizedDoublesCountSeq() {
    final LongAdder counter = new LongAdder();
    SplittableRandom r = new SplittableRandom();
    long size = 100;
    r.doubles().limit(size).forEach(new DoubleConsumer() {

        @Override
        public void accept(double x) {
            counter.increment();
        }
    });
    assertEquals(counter.sum(), size);
}

Example 17 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class SplittableRandomTest method testBadStreamSize.

/**
 * Invoking sized ints, long, doubles, with negative sizes throws
 * IllegalArgumentException
 */
public void testBadStreamSize() {
    final SplittableRandom r = new SplittableRandom();
    executeAndCatchIAE(new Runnable() {

        @Override
        public void run() {
            r.ints(-1L);
        }
    });
    executeAndCatchIAE(new Runnable() {

        @Override
        public void run() {
            r.ints(-1L, 2, 3);
        }
    });
    executeAndCatchIAE(new Runnable() {

        @Override
        public void run() {
            r.longs(-1L);
        }
    });
    executeAndCatchIAE(new Runnable() {

        @Override
        public void run() {
            r.longs(-1L, -1L, 1L);
        }
    });
    executeAndCatchIAE(new Runnable() {

        @Override
        public void run() {
            r.doubles(-1L);
        }
    });
    executeAndCatchIAE(new Runnable() {

        @Override
        public void run() {
            r.doubles(-1L, .5, .6);
        }
    });
}

Example 18 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class SplittableRandomTest method testUnsizedDoublesCount.

/**
 * A parallel unsized stream of doubles generates at least 100 values
 */
public void testUnsizedDoublesCount() {
    final LongAdder counter = new LongAdder();
    SplittableRandom r = new SplittableRandom();
    long size = 100;
    r.doubles().limit(size).parallel().forEach(new DoubleConsumer() {

        @Override
        public void accept(double x) {
            counter.increment();
        }
    });
    assertEquals(counter.sum(), size);
}

Example 19 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class ThreadLocalRandomTest method testDoublesCount.

/**
 * A parallel sized stream of doubles generates the given number of values
 */
public void testDoublesCount() {
    LongAdder counter = new LongAdder();
    ThreadLocalRandom r = ThreadLocalRandom.current();
    long size = 0;
    for (int reps = 0; reps < REPS; ++reps) {
        counter.reset();
        r.doubles(size).parallel().forEach(x -> {
            counter.increment();
        });
        assertEquals(counter.sum(), size);
        size += 524959;
    }
}

Example 20 with Doubles

use of java8.lang.Doubles in project streamsupport by stefan-zobel.

the class ThreadLocalRandomTest method testBadStreamBounds.

/**
 * Invoking bounded ints, long, doubles, with illegal bounds throws
 * IllegalArgumentException
 */
public void testBadStreamBounds() {
    ThreadLocalRandom r = ThreadLocalRandom.current();
    executeAndCatchIAE(() -> r.ints(2, 1));
    executeAndCatchIAE(() -> r.ints(10, 42, 42));
    executeAndCatchIAE(() -> r.longs(-1L, -1L));
    executeAndCatchIAE(() -> r.longs(10, 1L, -2L));
    testDoubleBadOriginBound((o, b) -> r.doubles(10, o, b));
}