public void WriteParentItem()
        {
            var converter = new ParentItemConverter();

            string json = JsonConvert.SerializeObject(ObjectSample, converter);

            Assert.Equal(JsonSample, json);
        }
        public void ReadParentItem()
        {
            var converter = new ParentItemConverter();

            var obj = JsonConvert.DeserializeObject <SampleClass>(JsonSample, converter);

            Assert.Equal(ObjectSample.Name, obj.Name);
            Assert.Equal(ObjectSample.Number, obj.Number);
            Assert.Equal(ObjectSample.Parents.Count, obj.Parents.Count);
            Assert.Equal(ObjectSample.Parents[1].BodyType, obj.Parents[1].BodyType);
            Assert.Equal(ObjectSample.Parents[0].BodyID, obj.Parents[0].BodyID);
        }