AjErl.Tests.Compiler.ParserTests.ParseSimpleCallExpression C# (CSharp) Метод

        public void ParseSimpleCallExpression()
        {
            Parser parser = new Parser("add(1, 2).");

            var result = parser.ParseExpression();

            Assert.IsNotNull(result);
            Assert.IsInstanceOfType(result, typeof(CallExpression));

            var expr = (CallExpression)result;

            Assert.IsInstanceOfType(expr.NameExpression, typeof(AtomExpression));
            Assert.AreEqual(((AtomExpression)expr.NameExpression).Atom.Name, "add");

            Assert.IsNotNull(expr.ArgumentExpressions);
            Assert.AreEqual(2, expr.ArgumentExpressions.Count);
            Assert.IsInstanceOfType(expr.ArgumentExpressions[0], typeof(ConstantExpression));
            Assert.IsInstanceOfType(expr.ArgumentExpressions[1], typeof(ConstantExpression));

            var cexpr = (ConstantExpression)expr.ArgumentExpressions[0];
            Assert.AreEqual(1, cexpr.Value);

            cexpr = (ConstantExpression)expr.ArgumentExpressions[1];
            Assert.AreEqual(2, cexpr.Value);

            Assert.IsNull(parser.ParseExpression());
        }