public void TestIsNull()
{
var c = StateMachineBuilder.ChoiceState()
.Choice(StateMachineBuilder.Choice()
.Transition(StateMachineBuilder.Next("NextState"))
.Condition(StateMachineBuilder.IsNull("$.isNull", true)))
.Choice(StateMachineBuilder.Choice()
.Transition(StateMachineBuilder.Next("NextState"))
.Condition(StateMachineBuilder.IsNull("$.isNotNull", false))
)
.Build();
var choices = c.Choices.ToArray();
Assert.True(choices[0].Condition.Match(JObject.Parse("{\"isNull\":null}")));
Assert.False(choices[0].Condition.Match(JObject.Parse("{\"isNull\":33}")));
Assert.True(choices[1].Condition.Match(JObject.Parse("{\"isNotNull\":22}")));
Assert.False(choices[1].Condition.Match(JObject.Parse("{\"isNotNull\":null}")));
}