Arithmetica.Tests.Visitors.EvaluationVisitorTests.MathExpression_Arithmetic_Expression_Throws_When_Evaluated_If_Operator_Is_Unknown C# (CSharp) Method

        public void MathExpression_Arithmetic_Expression_Throws_When_Evaluated_If_Operator_Is_Unknown()
        {
            var op = ((ArithmeticOperator)int.MaxValue);
            var expression = MathExpressionBuilder.CreateArithmetic(op, 42, 0);
            var visitor = new EvaluationVisitor();
            var exception = Assert.Throws<MathExpressionException>(() => visitor.Evaluate(expression, new MathExpressionContext()));
            Assert.AreEqual("Encountered unknown arithmetic operator.", exception.Details);
        }