public void TrySetState_ReturnsTrue_WhenStateCannotTransition(SimulatorState from, SimulatorState to)
{
TestSimulator simulator = Substitute.ForPartsOf <TestSimulator>();
while (simulator.State != from)
{
simulator.SetState(simulator.State + 1);
}
var result = simulator.TrySetState(to);
result.ShouldBeTrue();
}
public void SetState_DoesNotThrow_WhenStateDoesNotChange(SimulatorState state)
{
TestSimulator simulator = Substitute.ForPartsOf <TestSimulator>();
while (simulator.State != state)
{
simulator.SetState(simulator.State + 1);
}
Action action = () => simulator.SetState(state);
action.ShouldNotThrow();
}
public void SetState_DoesNotThrow_WhenStateCanTransition(SimulatorState from, SimulatorState to)
{
TestSimulator simulator = Substitute.ForPartsOf <TestSimulator>();
while (simulator.State != from)
{
simulator.SetState(simulator.State + 1);
}
Action action = () => simulator.SetState(to);
action.ShouldNotThrow();
}
public void TrySetState_ReturnsTrue_WhenStateDoesNotChange(SimulatorState state)
{
TestSimulator simulator = Substitute.ForPartsOf <TestSimulator>();
while (simulator.State != state)
{
simulator.SetState(simulator.State + 1);
}
var result = simulator.TrySetState(state);
result.ShouldBeTrue();
}
public void SetState_Throws_WhenStateCannotTransition(SimulatorState from, SimulatorState to)
{
TestSimulator simulator = Substitute.ForPartsOf <TestSimulator>();
while (simulator.State != from)
{
simulator.SetState(simulator.State + 1);
}
Action action = () => simulator.SetState(to);
action.ShouldThrow <InvalidOperationException>()
.Message.ShouldBe(SR.Format(SR.SimulatorStateCannotTransition, from, to));
}