Examples with DoublePredicate java.util.function.DoublePredicate used on opensource projects

Example 11 with DoublePredicate

use of java.util.function.DoublePredicate in project assertj-core by joel-costigliola.

the class DoublePredicateAssert_rejects_Test method should_pass_when_predicate_does_not_accept_value.

@Test
public void should_pass_when_predicate_does_not_accept_value() {
    DoublePredicate predicate = val -> val <= 2;
    assertThat(predicate).rejects(3.0);
}

Example 12 with DoublePredicate

use of java.util.function.DoublePredicate in project assertj-core by joel-costigliola.

the class DoublePredicateAssert_rejects_Test method should_fail_when_predicate_accepts_some_value.

@Test
public void should_fail_when_predicate_accepts_some_value() {
    DoublePredicate predicate = num -> num <= 2;
    double[] matchValues = new double[] { 1.0, 2.0, 3.0 };
    List<Double> matchValuesList = DoubleStream.of(matchValues).boxed().collect(Collectors.toList());
    thrown.expectAssertionError(noElementsShouldMatch(matchValuesList, 1D, PredicateDescription.GIVEN).create());
    assertThat(predicate).rejects(matchValues);
}

Example 13 with DoublePredicate

use of java.util.function.DoublePredicate in project assertj-core by joel-costigliola.

the class DoublePredicateAssert_rejects_Test method should_fail_when_predicate_accepts_value.

@Test
public void should_fail_when_predicate_accepts_value() {
    DoublePredicate predicate = val -> val <= 2;
    Predicate<Double> wrapPredicate = predicate::test;
    double expectedValue = 2.0;
    thrown.expectAssertionError(shouldNotAccept(wrapPredicate, expectedValue, PredicateDescription.GIVEN).create());
    assertThat(predicate).rejects(expectedValue);
}

Example 14 with DoublePredicate

use of java.util.function.DoublePredicate in project assertj-core by joel-costigliola.

the class DoublePredicateAssert_accepts_Test method should_fail_when_predicate_does_not_accept_all_values.

@Test
public void should_fail_when_predicate_does_not_accept_all_values() {
    DoublePredicate predicate = val -> val <= 2;
    double[] matchValues = new double[] { 1.0, 2.0, 3.0 };
    thrown.expectAssertionError(elementsShouldMatch(matchValues, 3D, PredicateDescription.GIVEN).create());
    assertThat(predicate).accepts(matchValues);
}

Example 15 with DoublePredicate

use of java.util.function.DoublePredicate in project j2objc by google.

the class DoublePredicateTest method testNegate.

public void testNegate() throws Exception {
    double arg = 5.0d;
    DoublePredicate alwaysTrue = x -> {
        assertEquals(x, arg);
        return true;
    };
    assertFalse(alwaysTrue.negate().test(arg));
    DoublePredicate alwaysFalse = x -> {
        assertEquals(x, arg);
        return false;
    };
    assertTrue(alwaysFalse.negate().test(arg));
}