@Test
public void testCASUpdateWithNullInitialNoExistingVal() throws Throwable {
assertNull(client.get("x"));
Long rv = mutator.cas("x", (Long) null, 0, mutation);
assertNull(rv);
assertNull(client.get("x"));
}
@Test
public void testIncorrectTypeInCAS() throws Throwable {
// Stick something for this CAS in the cache.
client.set("x", 0, "not a long");
try {
Long rv = mutator.cas("x", 1L, 0, mutation);
fail("Expected RuntimeException on invalid type mutation, got " + rv);
} catch (RuntimeException e) {
assertEquals("Couldn't get a CAS in 50 attempts", e.getMessage());
}
}
@Test
public void testCASUpdateWithNullInitial() throws Throwable {
client.set("x", 0, 1L);
Long rv = mutator.cas("x", (Long) null, 0, mutation);
assertEquals(rv, (Long) 2L);
}
