Examples with DoublePredicate com.annimon.stream.function.DoublePredicate used on opensource projects

Example 1 with DoublePredicate

use of com.annimon.stream.function.DoublePredicate in project Lightweight-Stream-API by aNNiMON.

the class IterateTest method testStreamIterateWithPredicate.

@Test
@SuppressWarnings("unchecked")
public void testStreamIterateWithPredicate() {
    DoublePredicate condition = new DoublePredicate() {

        @Override
        public boolean test(double value) {
            return value < 0.2;
        }
    };
    DoubleUnaryOperator increment = new DoubleUnaryOperator() {

        @Override
        public double applyAsDouble(double t) {
            return t + 0.05;
        }
    };
    DoubleStream.iterate(0, condition, increment).custom(assertElements(arrayContaining(closeTo(0.00, 0.00001), closeTo(0.05, 0.00001), closeTo(0.10, 0.00001), closeTo(0.15, 0.00001))));
}

Example 2 with DoublePredicate

use of com.annimon.stream.function.DoublePredicate in project Lightweight-Stream-API by aNNiMON.

the class FilterNotTest method testFilterNot.

@Test
public void testFilterNot() {
    final DoublePredicate predicate = Functions.greaterThan(Math.PI);
    DoubleStream.of(0.012, 10.347, 3.039, 19.84, 100d).filterNot(predicate).custom(assertElements(arrayContaining(0.012, 3.039)));
    DoubleStream.of(4.096, 12).filterNot(predicate).custom(assertIsEmpty());
}

Example 3 with DoublePredicate

use of com.annimon.stream.function.DoublePredicate in project Lightweight-Stream-API by aNNiMON.

the class FilterTest method testFilter.

@Test
public void testFilter() {
    final DoublePredicate predicate = Functions.greaterThan(Math.PI);
    DoubleStream.of(0.012, 10.347, 3.039, 19.84, 100d).filter(predicate).custom(assertElements(arrayContaining(10.347, 19.84, 100d)));
    DoubleStream.of(0.012, -10).filter(predicate).custom(assertIsEmpty());
}

Example 4 with DoublePredicate

use of com.annimon.stream.function.DoublePredicate in project Lightweight-Stream-API by aNNiMON.

the class OnCloseTest method testOnCloseWithOtherOperators.

@Test
public void testOnCloseWithOtherOperators() {
    final boolean[] state = new boolean[] { false };
    DoubleStream stream = DoubleStream.of(0, 1, 2, 2, 3, 4, 4, 5).filter(new DoublePredicate() {

        @Override
        public boolean test(double value) {
            return value < 4;
        }
    }).onClose(new Runnable() {

        @Override
        public void run() {
            state[0] = true;
        }
    }).distinct().limit(2);
    stream.findFirst();
    stream.close();
    assertTrue(state[0]);
}