AutoCompare.Tests.ConfigurationTests.Configure_Array C# (CSharp) Method

        public void Configure_Array()
        {
            SutEngine.Configure<ArrayModel>()
                .For(x => x.ArrayChildren, x => x.MatchUsing(y => y.Id));

            var oldModel = new ArrayModel()
            {
                Id = 1,
                ArrayChildren = new[]
                {
                    new GrandChildModel()
                    {
                        Id = 100,
                        Name = "Name 1",
                        Value = 100
                    },
                    new GrandChildModel()
                    {
                        Id = 200,
                        Name = "Name 2",
                        Value = 200
                    }
                },
            };

            var newModel = new ArrayModel()
            {
                Id = 1,
                ArrayChildren = new[]
                {
                    new GrandChildModel()
                    {
                        Id = 100,
                        Name = "Name 1",
                        Value = 100
                    },
                    new GrandChildModel()
                    {
                        Id = 300,
                        Name = "Name 3",
                        Value = 300
                    }
                },
            };

            var diff = SutEngine.Compare(oldModel, newModel);
            Assert.AreEqual(6, diff.Count);
        }