Examples with OptionalLong java.util.OptionalLong used on opensource projects

Example 21 with OptionalLong

use of java.util.OptionalLong in project jdk8u_jdk by JetBrains.

the class BasicLong method testEmptyOrElseThrowNull.

@Test(expectedExceptions = NullPointerException.class)
public void testEmptyOrElseThrowNull() throws Throwable {
    OptionalLong empty = OptionalLong.empty();
    long got = empty.orElseThrow(null);
}

Example 22 with OptionalLong

use of java.util.OptionalLong in project jdk8u_jdk by JetBrains.

the class BasicLong method testEmptyOrElseGetNull.

@Test(expectedExceptions = NullPointerException.class)
public void testEmptyOrElseGetNull() {
    OptionalLong empty = OptionalLong.empty();
    long got = empty.orElseGet(null);
}

Example 23 with OptionalLong

use of java.util.OptionalLong in project jdk8u_jdk by JetBrains.

the class BasicLong method testEmpty.

@Test(groups = "unit")
public void testEmpty() {
    OptionalLong empty = OptionalLong.empty();
    OptionalLong present = OptionalLong.of(1);
    // empty
    assertTrue(empty.equals(empty));
    assertTrue(empty.equals(OptionalLong.empty()));
    assertTrue(!empty.equals(present));
    assertTrue(0 == empty.hashCode());
    assertTrue(!empty.toString().isEmpty());
    assertTrue(!empty.isPresent());
    empty.ifPresent(v -> {
        fail();
    });
    assertEquals(2, empty.orElse(2));
    assertEquals(2, empty.orElseGet(() -> 2));
}