@SuppressWarnings("ResultOfMethodCallIgnored")
@Test
public void containsValueDelegates() {

    // given
    ChronicleMap<CharSequence, ItemSource> chronicleMap = createDefaultTestChronicleMap();
    ItemSource value = mock(ItemSource.class);
    ChronicleMapProxy proxy = createDefaultTestProxy(chronicleMap);
    // when
    proxy.containsValue(value);
    // then
    Mockito.verify(chronicleMap).containsValue(eq(value));
}