public void testSize() {
Cache<String, String> cache = initialize();
assertEquals(3, cache.size());
cache.clear();
assertEquals(0, cache.size());
}
public void testIsEmpty() {
Cache<String, String> cache = initialize();
assertFalse(cache.isEmpty());
cache.clear();
assertTrue(cache.isEmpty());
}
public void testClear() {
Cache<String, String> cache = initialize();
cache.clear();
assertFalse(cache.containsKey("first key"));
assertFalse(cache.containsKey("second key"));
assertFalse(cache.containsKey("third key"));
assertFalse(cache.containsKey("fourth key"));
assertFalse(cache.containsKey("fifth key"));
}