public void VirtualProperty()
{
EvaluationOptions ops = EvaluationOptions.DefaultOptions.Clone();
ops.FlattenHierarchy = false;
ObjectValue val = Frame.GetExpressionValue("c", ops);
Assert.IsNotNull(val);
val.WaitHandle.WaitOne();
Assert.IsFalse(val.IsError);
Assert.IsFalse(val.IsUnknown);
// The C class does not have a Prop property
ObjectValue prop = val.GetChild("Prop", ops);
Assert.IsNull(prop);
prop = val.GetChild("PropNoVirt1", ops);
Assert.IsNull(prop);
prop = val.GetChild("PropNoVirt2", ops);
Assert.IsNull(prop);
val = val.GetChild("base", ops);
Assert.IsNotNull(val);
val.WaitHandle.WaitOne();
Assert.IsFalse(val.IsError);
Assert.IsFalse(val.IsUnknown);
// The B class has a Prop property, value is 2
prop = val.GetChild("Prop", ops);
Assert.IsNotNull(prop);
Assert.AreEqual("2", prop.Value);
prop = val.GetChild("PropNoVirt1", ops);
Assert.IsNotNull(prop);
Assert.AreEqual("2", prop.Value);
prop = val.GetChild("PropNoVirt2", ops);
Assert.IsNotNull(prop);
Assert.AreEqual("2", prop.Value);
val = val.GetChild("base", ops);
Assert.IsNotNull(val);
val.WaitHandle.WaitOne();
Assert.IsFalse(val.IsError);
Assert.IsFalse(val.IsUnknown);
// The A class has a Prop property, value is 1, but must return 2 becasue it is overriden
prop = val.GetChild("Prop", ops);
Assert.IsNotNull(prop);
Assert.AreEqual("2", prop.Value);
prop = val.GetChild("PropNoVirt1", ops);
Assert.IsNotNull(prop);
Assert.AreEqual("1", prop.Value);
prop = val.GetChild("PropNoVirt2", ops);
Assert.IsNotNull(prop);
Assert.AreEqual("1", prop.Value);
}
public static ObjectValue GetChildSync(this ObjectValue val, string name, EvaluationOptions ops)
{
var result = val.GetChild(name, ops);
return(result != null?result.Sync() : null);
}
