AjErl.Tests.Expressions.DelayedCallExpressionTests.EvaluateDelayedCallExpressionWithVariableInName C# (CSharp) Method

        public void EvaluateDelayedCallExpressionWithVariableInName()
        {
            Context context = new Context();
            Function function = new Function(context, new object[] { new Variable("X"), new Variable("Y") }, new AddExpression(new VariableExpression(new Variable("X")), new VariableExpression(new Variable("Y"))));
            context.SetValue("add/2", function);
            context.SetValue("A", new Atom("add"));
            DelayedCallExpression expr = new DelayedCallExpression(new VariableExpression(new Variable("A")), new IExpression[] { new ConstantExpression(1), new ConstantExpression(2) });

            Assert.IsTrue(expr.HasVariable());
            Assert.IsNotNull(expr.NameExpression);
            Assert.IsInstanceOfType(expr.NameExpression, typeof(VariableExpression));
            Assert.IsNotNull(expr.ArgumentExpressions);
            Assert.AreEqual(2, expr.ArgumentExpressions.Count);

            var result = expr.Evaluate(context);

            Assert.IsNotNull(result);
            Assert.IsInstanceOfType(result, typeof(DelayedCall));
            Assert.AreEqual(3, ((DelayedCall)result).Evaluate());
        }