@Test
public void testOldBlocksAreEvicted() throws Exception {
assertTrue(isZero(storage.bytes()));
cache.obtainBlock(storage, new BlockId(0)).put(0, (byte) 1);
cache.obtainBlock(storage, new BlockId(1)).put(0, (byte) 1);
assertTrue(isZero(storage.bytes()));
cache.obtainBlock(storage, new BlockId(2)).put(0, (byte) 1);
assertFalse(isZero(storage.bytes()));
}
@Test
public void testBasicOperation() throws Exception {
final Block block = cache.obtainBlock(storage, new BlockId(0));
assertTrue(isZero(storage.bytes()));
block.put(0, (byte) 1);
assertTrue(isZero(storage.bytes()));
cache.flush();
assertFalse(isZero(storage.bytes()));
}