@Test
public void testRemove() throws Exception {
assertNull(cache.remove(new Integer(1)));
cache.put(new Integer(1), "apple");
assertEquals("apple", cache.remove(new Integer(1)));
assertNull(cache.get(new Integer(1)));
assertEquals(0, cache.size());
}
public byte[] removeOverwriteBackup(Long key) {
cache.remove(key);
return overwriteBackup.remove(key);
}
@Override
protected Long selfRemove(String key) {
return memoryMap.remove(key) != null ? 1L : 0L;
}