Fix JsConfig<T> to run T's static constructor first

src/ServiceStack.Text/JsConfig.cs

@@ -3,6 +3,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
+using System.Runtime.CompilerServices;
 using System.Threading;
 using ServiceStack.Text.Common;
 using ServiceStack.Text.Json;
@@ -815,6 +816,12 @@ internal static void AddUniqueType(Type type)
 
     public class JsConfig<T>
     {
+        static JsConfig()
+        {
+            // Run the type's static constructor (which may set OnDeserialized, etc.) before we cache any information about it
+            RuntimeHelpers.RunClassConstructor(typeof(T).TypeHandle);
+        }
+
         /// <summary>
         /// Always emit type info for this type.  Takes precedence over ExcludeTypeInfo
         /// </summary>

tests/ServiceStack.Text.Tests/AdhocModelTests.cs

@@ -780,20 +780,20 @@ public void Can_serialize_ICollection()
         [Test]
         public void Can_parse_different_3_part_date_formats()
         {
-            Assert.That("28/06/2015".FromJsv<DateTime>().ToLongDateString(),
-                Is.EqualTo("Sunday, June 28, 2015"));
+            Assert.That("28/06/2015".FromJsv<DateTime>(),
+                Is.EqualTo(new DateTime(2015, 6, 28)));
 
-            Assert.That("6/28/2015".FromJsv<DateTime>().ToLongDateString(),
-                Is.EqualTo("Sunday, June 28, 2015"));
+            Assert.That("6/28/2015".FromJsv<DateTime>(),
+                Is.EqualTo(new DateTime(2015, 6, 28)));
 
             DateTimeSerializer.OnParseErrorFn = (s, ex) =>
             {
                 var parts = s.Split('/');
                 return new DateTime(int.Parse(parts[2]), int.Parse(parts[0]), int.Parse(parts[1]));
             };
 
-            Assert.That("06/28/2015".FromJsv<DateTime>().ToLongDateString(),
-                Is.EqualTo("Sunday, June 28, 2015"));
+            Assert.That("06/28/2015".FromJsv<DateTime>(),
+                Is.EqualTo(new DateTime(2015, 6, 28)));
 
             DateTimeSerializer.OnParseErrorFn = null;
         }

tests/ServiceStack.Text.Tests/JsonTests/InheritAbstractTests.cs

@@ -48,11 +48,11 @@ public void Can_serialize_class_with_list_that_classes_inherited_from_non_abstra
             // serialize to JSON using ServiceStack
             string jsonString = JsonSerializer.SerializeToString(blockBuster);
 
-            const string expected = "{\"Address\":\"Av. República do Líbano, 2175 - Indinópolis, São Paulo - SP, 04502-300\",\"Movies\":[{\"Title\":\"The Shawshank Redemption\",\"ImdbId\":\"tt0111161\",\"Rating\":9.2,\"Director\":\"Frank Darabont\",\"ReleaseDate\":\"\\/Date(792950400000-0000)\\/\",\"TagLine\":\"Fear can hold you prisoner. Hope can set you free.\",\"Genres\":[\"Crime\",\"Drama\"]},{\"__type\":\"ServiceStack.Text.Tests.JsonTests.MovieChild, ServiceStack.Text.Tests\",\"Oscar\":[\"Best Picture - 1972\",\"Best Actor - 1972\",\"Best Adapted Screenplay - 1972\"],\"Title\":\"The Godfather\",\"ImdbId\":\"tt0068646\",\"Rating\":9.2,\"Director\":\"Francis Ford Coppola\",\"ReleaseDate\":\"\\/Date(70214400000-0000)\\/\",\"TagLine\":\"An offer you can't refuse.\",\"Genres\":[\"Crime\",\"Drama\",\"Thriller\"]}]}";
+            var expected = "{\"Address\":\"Av. República do Líbano, 2175 - Indinópolis, São Paulo - SP, 04502-300\",\"Movies\":[{\"Title\":\"The Shawshank Redemption\",\"ImdbId\":\"tt0111161\",\"Rating\":9.2,\"Director\":\"Frank Darabont\",\"ReleaseDate\":"
+                + JsonSerializer.SerializeToString(MoviesData.Movies[0].ReleaseDate) + ",\"TagLine\":\"Fear can hold you prisoner. Hope can set you free.\",\"Genres\":[\"Crime\",\"Drama\"]},{\"__type\":\"ServiceStack.Text.Tests.JsonTests.MovieChild, ServiceStack.Text.Tests\",\"Oscar\":[\"Best Picture - 1972\",\"Best Actor - 1972\",\"Best Adapted Screenplay - 1972\"],\"Title\":\"The Godfather\",\"ImdbId\":\"tt0068646\",\"Rating\":9.2,\"Director\":\"Francis Ford Coppola\",\"ReleaseDate\":"
+                + JsonSerializer.SerializeToString(child.ReleaseDate) + ",\"TagLine\":\"An offer you can't refuse.\",\"Genres\":[\"Crime\",\"Drama\",\"Thriller\"]}]}";
 
-            Assert.That(jsonString, Is.EqualTo(expected).
-                                    Or.EqualTo(expected.Replace("792997200000", "792950400000")
-                                                       .Replace("70261200000", "70214400000")));
+            Assert.That(jsonString, Is.EqualTo(expected));
         }
     }
 }

tests/ServiceStack.Text.Tests/JsonTests/JsonDateTimeTests.cs

@@ -523,12 +523,10 @@ public void Can_serialize_json_date_rfc1123_local()
             var dateTime = new DateTime(1994, 11, 24, 12, 34, 56, DateTimeKind.Local);
             var ssJson = JsonSerializer.SerializeToString(dateTime);
 
-            var offsetSpan = TimeZoneInfo.Local.GetUtcOffset(dateTime);
-            var offset = offsetSpan.ToTimeOffsetString(":");
+            var dateTimeUtc = dateTime.ToUniversalTime();
+            var ssJsonUtc = JsonSerializer.SerializeToString(dateTimeUtc);
 
-            Assert.That(ssJson, Is.EqualTo(@"""Thu, 24 Nov 1994 04:34:56 GMT"""). //Convert to UTC on wire
-                                Or.EqualTo(@"""Thu, 24 Nov 1994 17:34:56 GMT""").
-                                Or.EqualTo(@"""Thu, 24 Nov 1994 20:34:56 GMT"""));
+            Assert.That(ssJson, Is.EqualTo(ssJsonUtc)); //Convert to UTC on wire
             JsConfig.Reset();
         }
 
@@ -540,9 +538,10 @@ public void Can_serialize_json_date_rfc1123_unspecified()
             var dateTime = new DateTime(1994, 11, 24, 12, 34, 56, DateTimeKind.Unspecified);
             var ssJson = JsonSerializer.SerializeToString(dateTime);
 
-            Assert.That(ssJson, Is.EqualTo(@"""Thu, 24 Nov 1994 04:34:56 GMT"""). //Convert to UTC on wire
-                                Or.EqualTo(@"""Thu, 24 Nov 1994 17:34:56 GMT""").
-                                Or.EqualTo(@"""Thu, 24 Nov 1994 20:34:56 GMT"""));
+            var dateTimeUtc = dateTime.ToUniversalTime();
+            var ssJsonUtc = JsonSerializer.SerializeToString(dateTimeUtc);
+
+            Assert.That(ssJson, Is.EqualTo(ssJsonUtc)); //Convert to UTC on wire
             JsConfig.Reset();
         }
 

tests/ServiceStack.Text.Tests/SerializationHookTests.cs

@@ -100,7 +100,20 @@ public void JsonSerializer_Deserialize_hooks_on_sub_class()
             Assert.That(deserialized.OnDeserializedTouched, Is.True);
         }
 
-        private void AddSerializeHooksForType<T>()
+        [Test]
+        public void JsonSerializer_Deserialize_hooks_set_in_cctor()
+        {
+            // Deserialize without serializing first, so we don't call the static constructor of HookTestCctor, which sets its own OnDeserialized callback.
+
+            //var original = new HookTestContainer { Child = new HookTestCctor() };
+            //var json = JsonSerializer.SerializeToString(original);
+            const string json = "{\"Child\":{\"OnDeserializingTouched\":false,\"OnDeserializedTouched\":false,\"OnSerializingTouched\":true,\"OnSerializedTouched\":false}}";
+
+            var deserialized = JsonSerializer.DeserializeFromString<HookTestContainer>(json);
+            Assert.That(deserialized.Child.OnDeserializedTouched, Is.True);
+        }
+
+        internal static void AddSerializeHooksForType<T>()
         {
             Type type = typeof(T);
             System.Reflection.MethodInfo[] typeMethods = type.GetMethods(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
@@ -192,5 +205,18 @@ protected void OnSerialized(StreamingContext ctx)
         public class HookTestSubClass : HookTestClass
         {
         }
+
+        public class HookTestCctor : HookTestClass
+        {
+            static HookTestCctor()
+            {
+                AddSerializeHooksForType<HookTestCctor>();
+            }
+        }
+
+        public class HookTestContainer
+        {
+            public HookTestCctor Child { get; set; }
+        }
     }
 }