public void testHit() {
ObjectObjectStorage storage = mock(ObjectObjectStorage.class);
IntByteCache cache =
(IntByteCache)
Wrapping.getFactory(
new Signature(Object.class, Object.class),
new Signature(int.class, byte.class),
false)
.wrap("123", CALCULATABLE, storage, new MutableStatisticsImpl());
cache.setDependencyNode(DependencyTracker.DUMMY_NODE);
when(storage.load(42)).thenReturn((byte) 42);
when(storage.size()).thenReturn(1);
assert cache.getSize() == 1;
assert cache.getStatistics().getHits() == 0;
assert cache.getStatistics().getMisses() == 0;
assert cache.getOrCreate(42) == (byte) 42;
assert cache.getStatistics().getHits() == 1;
assert cache.getStatistics().getMisses() == 0;
verify(storage).size();
verify(storage, atLeast(2)).load(42);
verifyNoMoreInteractions(storage);
}
public void testSetDuringDependencyNodeOperations() {
ObjectObjectStorage storage = mock(ObjectObjectStorage.class);
when(storage.load(42)).thenReturn(Storage.UNDEFINED, (byte) 42);
IntByteCalculatable calculatable = mock(IntByteCalculatable.class);
MxResource r = mock(MxResource.class);
when(calculatable.calculate("123", 42)).thenThrow(new ResourceOccupied(r));
IntByteCache cache =
(IntByteCache)
Wrapping.getFactory(
new Signature(Object.class, Object.class),
new Signature(int.class, byte.class),
false)
.wrap("123", calculatable, storage, new MutableStatisticsImpl());
cache.setDependencyNode(DependencyTracker.DUMMY_NODE);
assert cache.getStatistics().getHits() == 0;
assert cache.getStatistics().getMisses() == 0;
assert cache.getOrCreate(42) == (byte) 42;
assert cache.getStatistics().getHits() == 1;
assert cache.getStatistics().getMisses() == 0;
verify(storage, atLeast(2)).load(42);
verifyNoMoreInteractions(storage);
verify(calculatable).calculate("123", 42);
verifyNoMoreInteractions(calculatable);
}
public void testClear() {
ObjectObjectStorage storage = mock(ObjectObjectStorage.class);
IntByteCache cache =
(IntByteCache)
Wrapping.getFactory(
new Signature(Object.class, Object.class),
new Signature(int.class, byte.class),
false)
.wrap("123", CALCULATABLE, storage, new MutableStatisticsImpl());
cache.setDependencyNode(DependencyTracker.DUMMY_NODE);
cache.clear();
verify(storage).clear();
verifyNoMoreInteractions(storage);
}