public void RegisterExprEvalWorks()
{
var c = new RootContext();
object r = null;
Action <object> saver = o => r = o;
var es = new PlotLingoLib.Statements.ExpressionStatement(new StringValue("hi"));
c.AddExpressionStatementEvaluationCallback(saver);
es.Evaluate(c);
Assert.AreEqual("hi", r, "result of running");
}
public void RegisterExprEvalIgnoredByParent()
{
var c = new ScopeContext(new RootContext());
object r = null;
Action <object> saver = o => r = o;
var es = new PlotLingoLib.Statements.ExpressionStatement(new StringValue("hi"));
c.AddExpressionStatementEvaluationCallback(saver);
es.Evaluate(c.Parent);
Assert.IsNull(r, "result of running");
}