AjErl.Tests.Expressions.TupleExpressionTests.RaiseIfTupleHasTupleWithVariable C# (CSharp) Method

        public void RaiseIfTupleHasTupleWithVariable()
        {
            Context context = new Context();
            var expr = new TupleExpression(new IExpression[] { new ConstantExpression(1), new TupleExpression(new IExpression[] { new VariableExpression(new Variable("X")) }), new AtomExpression(new Atom("y")) });

            try
            {
                expr.Evaluate(context);
                Assert.Fail();
            }
            catch (System.Exception ex)
            {
                Assert.AreEqual("variable 'X' is unbound", ex.Message);
            }
        }