
PASS CacheStorage 
PASS CacheStorage.open 
PASS CacheStorage.delete dooms, but does not delete immediately 
PASS CacheStorage.open with an empty name 
PASS CacheStorage.open with no arguments 
PASS CacheStorage.has with existing cache 
PASS CacheStorage.has with nonexistent cache 
PASS CacheStorage.open with existing cache 
PASS CacheStorage.delete with existing cache 
PASS CacheStorage.delete with nonexistent cache 
PASS CacheStorage names are DOMStrings not USVStrings