Beispiel #1
0
        public void ObjectsOfDifferentTypeAreNotEqual_EvenIfSubclass()
        {
            var value1 = new MyValue();
            var value2 = new MyValue2();

            Assert.IsFalse(value1.Equals(value2));
        }
        public void ObjectsOfDifferentTypeAreNotEqual_EvenIfSubclass()
        {
            var value1 = new MyValue();
            var value2 = new MyValue2();

            Assert.IsFalse(value1.Equals(value2));
        }
Beispiel #3
0
        public void Type_Convert()
        {
            MyValue my    = new MyValue("a");
            string  myStr = my;

            Assert.AreEqual("a", myStr);
            my = myStr;
            Assert.AreEqual("a", my.Value);

            MyValue2 my2 = new MyValue2("a2");

            myStr = my2;
            //my2 = myStr;//can't convert
            Assert.AreEqual("a2", myStr);
            MyValue3 my3 = myStr;

            myStr = my3;



            Func <object, Type, object> convert = (value, toType) =>
            {
                Type fromType = value.GetType();
                InvocationDelegate eval;
                var compile = new CompileContext();

                compile.OverrideOperator(typeof(MyValue));
                compile.AddVariable(fromType, "a");
                using (compile.BeginScope())
                {
                    var expr = Convert(Variable(fromType, "a"), toType);

                    eval = compile.Compile(expr);
                }

                ExpressionContext ctx = new ExpressionContext();
                ctx.AddVariable(fromType, "a");
                ctx.SetVariable("a", value);
                return(eval(ctx));
            };

            object result;

            result = convert(new MyValue("Hello World"), typeof(string));
            Assert.AreEqual("Hello World", result);

            result = convert("Hello World", typeof(MyValue));
            Assert.AreEqual("Hello World", ((MyValue)result).Value);

            result = convert(new MyValue2("Hello World"), typeof(string));
            Assert.AreEqual("Hello World", result);

            try
            {
                result = convert("Hello World", typeof(MyValue2));
                Assert.AreEqual("Hello World", ((MyValue2)result).Value);
                Assert.Fail();
            }
            catch (OperatorNotImplementedException ex) { }

            result = convert(new MyValue3("Hello World"), typeof(string));
            Assert.AreEqual("Hello World", result);

            result = convert("Hello World", typeof(MyValue3));
            Assert.AreEqual("Hello World", ((MyValue3)result).Value);
        }