@Test
public void createFromQueues() {
// Create config [[e],[]]
DistEventType sendE = DistEventType.SendEvent("e", cid1);
chStates.get(0).enqueue(sendE);
mc = ImmutableMultiChState.fromChannelStates(chStates);
// Create config [[],[]]
mc2 = ImmutableMultiChState.fromChannelIds(cids);
assertTrue(mc != mc2);
assertTrue(!mc.equals(mc2));
// Add e to [[],[]] at cid1 (index 0)
// This should result in [[],[e]] and equal the first mc above.
mc3 = mc2.getNextChState(sendE);
assertTrue(mc == mc3);
assertTrue(mc.equals(mc3));
assertTrue(mc.hashCode() == mc3.hashCode());
// Apply e again, resulting in: [[e,e],[]]
mc4 = mc3.getNextChState(sendE);
assertTrue(mc != mc4);
assertTrue(mc2 != mc4);
assertTrue(mc3 != mc4);
// Consume e, resulting in: [[e],[]]
DistEventType recvE = DistEventType.RecvEvent("e", cid1);
mc4 = mc4.getNextChState(recvE);
assertTrue(mc4 == mc3);
// Execute a local etype at pid 0, which should not change the state
DistEventType localE = DistEventType.LocalEvent("e", 1);
mc4 = mc4.getNextChState(localE);
assertTrue(mc4 == mc3);
}
@Test
public void createEmpty() {
mc = ImmutableMultiChState.fromChannelIds(cids);
mc2 = ImmutableMultiChState.fromChannelIds(cids);
// Make sure that the two instance pointers are identical, because of
// internal caching.
assertTrue(mc == mc2);
assertTrue(mc.equals(mc2));
assertTrue(mc.hashCode() == mc2.hashCode());
// Now, attempt to create the same mc/mc2 instances, but by building
// them from more explicit state instances.
mc3 = ImmutableMultiChState.fromChannelStates(chStates);
assertTrue(mc == mc3);
assertTrue(mc.equals(mc3));
cids = Util.newList(2);
cid1 = new ChannelId(1, 2, 0);
cid2 = new ChannelId(2, 2, 1);
cids.add(cid1);
cids.add(cid2);
mc3 = ImmutableMultiChState.fromChannelIds(cids);
assertFalse(mc == mc3);
assertFalse(mc.equals(mc3));
}