Examples with CollectionsFactory org.neo4j.kernel.impl.util.collection.CollectionsFactory used on opensource projects

Example 1 with CollectionsFactory

use of org.neo4j.kernel.impl.util.collection.CollectionsFactory in project neo4j by neo4j.

the class MutableLongDiffSetsImplTest method useCollectionsFactory.

@Test
void useCollectionsFactory() {
    final MutableLongSet set1 = new LongHashSet();
    final MutableLongSet set2 = new LongHashSet();
    final CollectionsFactory collectionsFactory = mock(CollectionsFactory.class);
    doReturn(set1, set2).when(collectionsFactory).newLongSet(EmptyMemoryTracker.INSTANCE);
    final MutableLongDiffSetsImpl diffSets = new MutableLongDiffSetsImpl(collectionsFactory, EmptyMemoryTracker.INSTANCE);
    diffSets.add(1L);
    diffSets.remove(2L);
    assertSame(set1, diffSets.getAdded());
    assertSame(set2, diffSets.getRemoved());
    verify(collectionsFactory, times(2)).newLongSet(EmptyMemoryTracker.INSTANCE);
    verifyNoMoreInteractions(collectionsFactory);
}