public void testClear() { ObjectStorage storage = mock(ObjectStorage.class); ByteCache cache = (ByteCache) Wrapping.getFactory( new Signature(null, Object.class), new Signature(null, byte.class), false) .wrap("123", CALCULATABLE, storage, new MutableStatisticsImpl()); cache.setDependencyNode(DependencyTracker.DUMMY_NODE); cache.clear(); verify(storage).clear(); verifyNoMoreInteractions(storage); }