public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            Dictionary<string, object> filterDict = serializer.Deserialize<Dictionary<string, object>>(reader);
            Dictionary<string, object> fieldDict = JsonConvert.DeserializeObject<Dictionary<string, object>>(filterDict.First().Value.ToString());

            PatternCaptureTokenFilter filter = new PatternCaptureTokenFilter(filterDict.First().Key, JsonConvert.DeserializeObject<IEnumerable<string>>(fieldDict.GetString(_PATTERNS)));
            TokenFilterBase.Deserialize(filter, fieldDict);
            filter.PreserveOriginal = fieldDict.GetBool(_PRESERVE_ORIGINAL, PatternCaptureTokenFilter._PRESERVE_ORIGINAL_DEFAULT);

            return filter;
        }
        public void PASS_Serialize()
        {
            PatternCaptureTokenFilter filter = new PatternCaptureTokenFilter("name", new List<string>() { "p1", "p2" })
            {
                Version = 2.4,
                PreserveOriginal = false
            };

            string json = JsonConvert.SerializeObject(filter);
            Assert.IsNotNull(json);

            string expectedJson = "{\"name\":{\"type\":\"pattern_capture\",\"version\":2.4,\"preserve_original\":false,\"patterns\":[\"p1\",\"p2\"]}}";
            Assert.AreEqual(expectedJson, json);
        }
        public void PASS_Create()
        {
            PatternCaptureTokenFilter filter = new PatternCaptureTokenFilter("name", new List<string>() { "p1", "p2" })
            {
                Version = 2.4,
                PreserveOriginal = false
            };

            Assert.IsNotNull(filter);
            Assert.AreEqual("name", filter.Name);
            Assert.AreEqual(2.4, filter.Version);
            Assert.AreEqual("p1", filter.Patterns.First());
            Assert.AreEqual("p2", filter.Patterns.Last());
            Assert.AreEqual(false, filter.PreserveOriginal);
        }