Examples with AbstractPrimitiveLongBaseIterator org.neo4j.collection.PrimitiveLongCollections.AbstractPrimitiveLongBaseIterator used on opensource projects

Example 1 with AbstractPrimitiveLongBaseIterator

use of org.neo4j.collection.PrimitiveLongCollections.AbstractPrimitiveLongBaseIterator in project neo4j by neo4j.

the class PrimitiveLongCollectionsTest method shouldNotContinueToCallNextOnHasNextFalse.

@Test
void shouldNotContinueToCallNextOnHasNextFalse() {
    // GIVEN
    AtomicLong count = new AtomicLong(2);
    LongIterator iterator = new AbstractPrimitiveLongBaseIterator() {

        @Override
        protected boolean fetchNext() {
            return count.decrementAndGet() >= 0 && next(count.get());
        }
    };
    // WHEN/THEN
    assertTrue(iterator.hasNext());
    assertTrue(iterator.hasNext());
    assertEquals(1L, iterator.next());
    assertTrue(iterator.hasNext());
    assertTrue(iterator.hasNext());
    assertEquals(0L, iterator.next());
    assertFalse(iterator.hasNext());
    assertFalse(iterator.hasNext());
    assertEquals(-1L, count.get());
}