AjRools.Expert.Expressions.VariableExpression.Evaluate C# (CSharp) Method

        public object Evaluate(Context context)
        {
            return context.GetValue(this.name);
        }

 public void EvaluateUndefinedVariable()
 {
     VariableExpression expr = new VariableExpression("Foo");
     Assert.IsNull(expr.Evaluate(this.context));
 }