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 TestEvaluationCallback()
{
var exp = new simpleExprForTest();
int count = 0;
var c = new RootContext();
c.AddExpressionStatementEvaluationCallback(o =>
{
count++;
Assert.IsNull(o, "callback object");
});
var expS = new ExpressionStatement(exp);
expS.Evaluate(c);
Assert.AreEqual(1, count, "# of times callback was called");
}