public void TestTransitionFromEnterState()
{
var machine = new StateMachine();
var state = new VisitedState();
machine.AddTransition(DefaultState.Enter, state);
machine.Update(0);
Assert.True(state.Entered, $"State machine is not in expected state ({machine}).");
}
public void TestMultipleTransitions()
{
var machine = new StateMachine();
var rightState = new VisitedState();
var wrongState1 = new VisitedState();
var wrongState2 = new VisitedState();
machine.AddTransition(DefaultState.Enter, wrongState1)
.When(s => false);
machine.AddTransition(DefaultState.Enter, rightState);
machine.AddTransition(DefaultState.Enter, wrongState2)
.When(s => false);
}
public void TestNestedMachineWithEmptyState()
{
var parent = new StateMachine();
var child = new StateMachine();
var state = new VisitedState();
child.AddTransition(DefaultState.Enter, state);
parent.AddTransition(DefaultState.Enter, child);
parent.Update(0);
Assert.IsTrue(state.Entered, "Nested state machine was not entered.");
Assert.IsTrue(state.Updated, "Nested state machine was not updated.");
Assert.IsTrue(state.Exited, "Nested state machine was not exited.");
}
public void TestNestedMachineExit()
{
var parent = new StateMachine();
var child = new StateMachine();
var childState = new VisitedState();
var parentState = new VisitedState();
parent.AddTransition(DefaultState.Enter, child);
parent.AddTransition(child, parentState);
child.AddTransition(DefaultState.Enter, childState);
parent.Update(0);
Assert.IsTrue(childState.Exited);
Assert.IsTrue(parentState.Entered);
}
public void TestExceptionTransition()
{
var machine = new StateMachine();
var state1 = new VisitedState();
var state2 = new VisitedState();
var state3 = new VisitedState();
machine.AddTransition(DefaultState.Enter, state1);
machine.AddTransition(state1, state2)
.ButWhen(s => s.Exited, state3);
machine.Update(0);
Assert.IsTrue(state2.Entered);
Assert.IsFalse(state3.Entered);
machine.Update(0);
Assert.IsTrue(state3.Entered);
}
