Arithmetica.Tests.MathExpressionParserTests.MathExpressionParser_Can_Parse_And_Evaluate_Variable C# (CSharp) Метод

        public void MathExpressionParser_Can_Parse_And_Evaluate_Variable()
        {
            var input = this.GetPostfixTokenStream("x");
            MathExpressionParser parser = new MathExpressionParser();
            MathExpression expression = parser.Parse(input);
            MathExpressionContext context = new MathExpressionContext();
            context.Define("x", 42);
            Assert.AreEqual(42D, expression.Evaluate(context));
        }