@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);
}
@Before
public void setUp() throws Exception {
super.setUp();
cids = Util.newList(2);
// Two process system.
cid1 = new ChannelId(0, 1, 0);
cid2 = new ChannelId(1, 0, 1);
cids.add(cid1);
cids.add(cid2);
Pmc = ImmutableMultiChState.fromChannelIds(cids);
List<ObsFSMState> P = Util.newList();
ObsFSMState p0 = ObsFSMState.namedObsFSMState(0, "p", false, true);
ObsFSMState p1 = ObsFSMState.namedObsFSMState(1, "q", false, true);
P.add(p0);
P.add(p1);
obsFSMState1 = ObsMultFSMState.getMultiFSMState(P);
s1 = ObsFifoSysState.getFifoSysState(obsFSMState1, Pmc);
List<ObsFSMState> P2 = Util.newList();
P2.add(p0);
ObsFSMState p2 = ObsFSMState.namedObsFSMState(1, "r", false, true);
P2.add(p2);
obsFSMState2 = ObsMultFSMState.getMultiFSMState(P2);
// Get a third instance that is different from the first two.
s2 = ObsFifoSysState.getFifoSysState(obsFSMState2, Pmc);
e1 = DistEventType.LocalEvent("e", 0);
ObsDistEventType obsE = new ObsDistEventType(e1, 0);
s1.addTransition(obsE, s2);
g1 = fromOneObs(2, s1);
g2 = fromOneObs(2, s2);
}