public void StateMachineReportsIsChildOfCorrectly()
{
var sm1 = new StateMachine("sm1");
var state11 = sm1.CreateInitialState("state11");
var sm2 = new StateMachine("sm2");
var state21 = sm2.CreateInitialState("state21");
var state22 = sm2.CreateState("state22");
var sm22 = state22.CreateChildStateMachine("sm22");
var state221 = sm22.CreateInitialState("state221");
Assert.False(sm1.IsChildOf(sm2));
Assert.False(sm2.IsChildOf(sm1));
Assert.False(sm2.IsChildOf(sm22));
Assert.True(sm22.IsChildOf(sm2));
}
public void IsChildOfThrowsIfArgumentIsNull()
{
var sm = new StateMachine();
Assert.Throws<ArgumentNullException>(() => sm.IsChildOf(null));
}