public void MathOperation_ShouldCalculateBasicOperations()
        {
            var instructions       = Common.ParseCode(".rule { property: 1 + 7 * (3 + 5); }");
            var expressionExecutor = new ExpressionExecutor();

            var ruleset  = (RulesetInstruction)instructions.Single();
            var property = (PropertyInstruction)ruleset.Instructions.Single();

            Assert.Equal(new ScalarPropertyValue(57), expressionExecutor.GetValues(property.Value.Values));
        }
        public void Setter_ShouldCreatePropertyInstructionWithValueNone()
        {
            var instructions       = Common.ParseCode(".rule { property: none; }");
            var expressionExecutor = new ExpressionExecutor();

            var ruleset  = (RulesetInstruction)instructions.Single();
            var property = (PropertyInstruction)ruleset.Instructions.Single();

            Assert.Equal("property", property.Identifier);
            Assert.Single(property.Value.Values);
            Assert.Equal(PropertyValue.None, expressionExecutor.GetValues(property.Value.Values));
        }