public void ToString_Always_Succeeds() { //Arrange var propertyInfo = ReflectionHelper.GetMemberInfo<string, int>((string s) => s.Length) as PropertyInfo; //Act var propertyMap = new PropertyMap(propertyInfo); //Assert string actual = propertyMap.ToString(); Assert.AreEqual<string>(string.Format("{{{0}, {1}}}", propertyInfo.Name, propertyInfo.ReflectedType), actual); }