AjScript.Tests.Interpreter.ParserTests.ParseTwoBinaryExpressionDifferentLevels C# (CSharp) Метод

        public void ParseTwoBinaryExpressionDifferentLevels()
        {
            IExpression expression = this.ParseExpression("a + 2 * 3");

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

            ArithmeticBinaryExpression arithmeticExpression = (ArithmeticBinaryExpression)expression;

            Assert.AreEqual(ArithmeticOperator.Add, arithmeticExpression.Operation);
            Assert.IsNotNull(arithmeticExpression.LeftExpression);
            Assert.IsInstanceOfType(arithmeticExpression.LeftExpression, typeof(VariableExpression));
            Assert.IsNotNull(arithmeticExpression.RightExpression);
            Assert.IsInstanceOfType(arithmeticExpression.RightExpression, typeof(ArithmeticBinaryExpression));

            ArithmeticBinaryExpression rigthExpression = (ArithmeticBinaryExpression)arithmeticExpression.RightExpression;

            Assert.AreEqual(ArithmeticOperator.Multiply, rigthExpression.Operation);
            Assert.IsInstanceOfType(rigthExpression.LeftExpression, typeof(ConstantExpression));
            Assert.IsInstanceOfType(rigthExpression.RightExpression, typeof(ConstantExpression));
        }