Arithmetica.Tests.Visitors.VariableFinderVisitorTests.VariableFinderVisitor_Can_Find_Variable_That_Is_Negated C# (CSharp) Méthode

        public void VariableFinderVisitor_Can_Find_Variable_That_Is_Negated()
        {
            // Verifies fix for bug that caused negated expression
            // to be skipped in expression visitor.
            var expression = MathExpression.Parse("10+(-x)");
            var context = new MathExpressionContext();
            var visitor = new VariableFinderVisitor();
            Assert.IsTrue(visitor.HasVariableDefined(expression, context, "x"));
        }