private ExpressionState GetState()
{
var context = TestScenarioCreator.GetTestEvaluationContext();
var state = new ExpressionState(context);
return(state);
}
public void TestConstruction()
{
var context = TestScenarioCreator.GetTestEvaluationContext();
var state = new ExpressionState(context);
Assert.Equal(context, state.EvaluationContext);
}
public void TestRootObjectConstructor()
{
var ctx = GetContext();
// TypedValue root = ctx.getRootObject();
// supplied should override root on context
var state = new ExpressionState(ctx, new TypedValue("i am a string"));
var stateRoot = state.RootContextObject;
Assert.Equal(typeof(string), stateRoot.TypeDescriptor);
Assert.Equal("i am a string", stateRoot.Value);
}
public void TestRootContextObject()
{
var state = GetState();
Assert.IsType <Inventor>(state.RootContextObject.Value);
// although the root object is being set on the evaluation context, the value in the 'state' remains what it was when constructed
((StandardEvaluationContext)state.EvaluationContext).SetRootObject(null);
Assert.IsType <Inventor>(state.RootContextObject.Value);
// assertEquals(null, state.RootContextObject.Value);
state = new ExpressionState(new StandardEvaluationContext());
Assert.Equal(TypedValue.NULL, state.RootContextObject);
((StandardEvaluationContext)state.EvaluationContext).SetRootObject(null);
Assert.Null(state.RootContextObject.Value);
}
public void TestActiveContextObject()
{
var state = GetState();
Assert.Equal(state.RootContextObject.Value, state.GetActiveContextObject().Value);
Assert.Throws <InvalidOperationException>(() => state.PopActiveContextObject());
state.PushActiveContextObject(new TypedValue(34));
Assert.Equal(34, state.GetActiveContextObject().Value);
state.PushActiveContextObject(new TypedValue("hello"));
Assert.Equal("hello", state.GetActiveContextObject().Value);
state.PopActiveContextObject();
Assert.Equal(34, state.GetActiveContextObject().Value);
state.PopActiveContextObject();
Assert.Equal(state.RootContextObject.Value, state.GetActiveContextObject().Value);
state = new ExpressionState(new StandardEvaluationContext());
Assert.Equal(TypedValue.NULL, state.GetActiveContextObject());
}
