public void EpsilonTransitions()
{
TestSequentialTrigger trigger = new TestSequentialTrigger(1);
TestAction action = new TestAction();
StateMachine stateMachine = new StateMachine();
for (int i = 0; i < 4; i++)
{
var state = new SimpleState();
action.Monitor(state);
stateMachine.AddState(state);
}
action.Monitor(stateMachine);
stateMachine.AddEntryTransition(0, null);
stateMachine.AddExitTransition(3, null);
stateMachine.AddTransition(0, 1, null);
stateMachine.AddTransition(1, 2, trigger[0]);
stateMachine.AddTransition(2, 3, null);
stateMachine.Run();
Assert.AreEqual(1, stateMachine.ActiveStateId);
trigger.Run(0);
action.CompareResults(new List <string>()
{
"enter: 0",
"enter: 0", "leave: 0",
"enter: 1", "leave: 1",
"enter: 2", "leave: 2",
"enter: 3", "leave: 3",
});
Assert.AreEqual(State.ExitStateId, stateMachine.ActiveStateId);
}
private void CreateSimpleStatesAndMonitor(TestAction action, StateMachine m, int n)
{
for (int i = 0; i < n; i++)
{
var state = new SimpleState();
action.Monitor(state);
m.AddState(state);
}
action.Monitor(m);
}
public void SimpleStatesOnly()
{
TestSequentialTrigger trigger = new TestSequentialTrigger(8);
TestAction action = new TestAction();
StateMachine stateMachine = new StateMachine();
for (int i = 0; i < 4; i++)
{
var state = new SimpleState();
action.Monitor(state);
stateMachine.AddState(state);
}
action.Monitor(stateMachine);
stateMachine.AddEntryTransition(0, trigger[7]);
stateMachine.AddExitTransition(1, trigger[6]);
stateMachine.AddTransition(0, 1, trigger[0]);
stateMachine.AddTransition(0, 3, trigger[1]);
stateMachine.AddTransition(1, 2, trigger[4]);
stateMachine.AddTransition(2, 0, trigger[3]);
stateMachine.AddTransition(3, 1, trigger[5]);
stateMachine.AddTransition(3, 2, trigger[2]);
Assert.AreEqual(State.InvalidStateId, stateMachine.ActiveStateId);
Assert.AreEqual("-3", stateMachine.GenerateActiveStateDescriptor());
stateMachine.Run();
Assert.AreEqual(State.EntryStateId, stateMachine.ActiveStateId);
Assert.AreEqual("-2", stateMachine.GenerateActiveStateDescriptor());
trigger.Run(7, 1, 2, 3, 0, 4, 3, 1, 5); // loop around
Assert.AreEqual("1.-1", stateMachine.GenerateActiveStateDescriptor());
trigger.Run(0, 1, 2, 3, 5); // invalid triggers
Assert.AreEqual("1.-1", stateMachine.GenerateActiveStateDescriptor());
trigger.Run(6); // to the end
Assert.AreEqual("-1", stateMachine.GenerateActiveStateDescriptor());
action.CompareResults(new List <string>()
{
"enter: 0", // outer state machine
"enter: 0", "leave: 0", // state 0
"enter: 3", "leave: 3",
"enter: 2", "leave: 2",
"enter: 0", "leave: 0",
"enter: 1", "leave: 1",
"enter: 2", "leave: 2",
"enter: 0", "leave: 0",
"enter: 3", "leave: 3",
"enter: 1", "leave: 1",
});
Assert.AreEqual(State.ExitStateId, stateMachine.ActiveStateId);
}