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

        public void ParseSimpleMultiply()
        {
            Parser parser = new Parser("10*20.");

            IExpression expression = parser.ParseExpression();

            Assert.IsNotNull(expression);
            Assert.IsInstanceOfType(expression, typeof(MultiplyExpression));

            MultiplyExpression multiplyexpression = (MultiplyExpression)expression;

            Assert.IsInstanceOfType(multiplyexpression.LeftExpression, typeof(ConstantExpression));
            Assert.IsInstanceOfType(multiplyexpression.RightExpression, typeof(ConstantExpression));

            Assert.AreEqual(10, ((ConstantExpression)multiplyexpression.LeftExpression).Value);
            Assert.AreEqual(20, ((ConstantExpression)multiplyexpression.RightExpression).Value);
        }