public void GetLocalVariablesWithAssignment()
        {
            RangeExpression expr = new RangeExpression(new AssignExpression("a", new ConstantExpression(1)), new ConstantExpression(4));

            var result = expr.GetLocalVariables();

            Assert.IsNotNull(result);
            Assert.AreEqual(1, result.Count);
            Assert.AreEqual("a", result[0]);
        }
        public void GetLocalVariables()
        {
            RangeExpression expr = new RangeExpression(new ConstantExpression(1), new ConstantExpression(4));

            Assert.IsNull(expr.GetLocalVariables());
        }