Fix 9 DateTime tests on .NET Core

Author: xplicit

src/ServiceStack.Text/PclExport.NetStandard.cs

@@ -10,6 +10,7 @@
 using ServiceStack.Text;
 using ServiceStack.Text.Common;
 using ServiceStack.Text.Json;
+using System.Globalization;
 #if NETSTANDARD13
 using System.Collections.Specialized;
 #endif
@@ -20,6 +21,34 @@ public class NetStandardPclExport : PclExport
     {
         public static NetStandardPclExport Provider = new NetStandardPclExport();
 
+        static string[] allDateTimeFormats = new string[]
+        {
+                    "yyyy-MM-ddTHH:mm:ss.FFFFFFFzzzzzz",
+                    "yyyy-MM-ddTHH:mm:ss.FFFFFFF",
+                    "yyyy-MM-ddTHH:mm:ss.FFFFFFFZ",
+                    "HH:mm:ss.FFFFFFF",
+                    "HH:mm:ss.FFFFFFFZ",
+                    "HH:mm:ss.FFFFFFFzzzzzz",
+                    "yyyy-MM-dd",
+                    "yyyy-MM-ddZ",
+                    "yyyy-MM-ddzzzzzz",
+                    "yyyy-MM",
+                    "yyyy-MMZ",
+                    "yyyy-MMzzzzzz",
+                    "yyyy",
+                    "yyyyZ",
+                    "yyyyzzzzzz",
+                    "--MM-dd",
+                    "--MM-ddZ",
+                    "--MM-ddzzzzzz",
+                    "---dd",
+                    "---ddZ",
+                    "---ddzzzzzz",
+                    "--MM--",
+                    "--MM--Z",
+                    "--MM--zzzzzz",
+        };
+
         public NetStandardPclExport()
         {
             this.PlatformName = Platforms.NetStandard;
@@ -99,6 +128,12 @@ public override string GetAssemblyCodeBase(Assembly assembly)
             return assembly.GetName().FullName;
         }
 
+        public override DateTime ParseXsdDateTimeAsUtc(string dateTimeStr)
+        {
+            return DateTime.ParseExact(dateTimeStr, allDateTimeFormats, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.AllowLeadingWhite|DateTimeStyles.AllowTrailingWhite|DateTimeStyles.AdjustToUniversal)
+                     .Prepare(parsedAsUtc: true);
+        }
+
         //public override DateTime ToStableUniversalTime(DateTime dateTime)
         //{
         //    // .Net 2.0 - 3.5 has an issue with DateTime.ToUniversalTime, but works ok with TimeZoneInfo.ConvertTimeToUtc.

tests/ServiceStack.Text.Tests/Utils/DateTimeSerializerTests.cs

@@ -73,9 +73,9 @@ public void ToShortestXsdDateTimeString_works()
                 ? "1979-05-09T00:00:00.001Z"
                 : "1979-05-08T23:00:00.001Z";
 
-            Assert.That(shortDateString, Is.EqualTo(DateTimeSerializer.ToShortestXsdDateTimeString(shortDate)));
-            Assert.That(shortDateTimeString, Is.EqualTo(DateTimeSerializer.ToShortestXsdDateTimeString(shortDateTime)));
-            Assert.That(longDateTimeString, Is.EqualTo(DateTimeSerializer.ToShortestXsdDateTimeString(longDateTime)));
+            Assert.That(DateTimeSerializer.ToShortestXsdDateTimeString(shortDate), Is.EqualTo(shortDateString));
+            Assert.That(DateTimeSerializer.ToShortestXsdDateTimeString(shortDateTime), Is.EqualTo(shortDateTimeString));
+            Assert.That(DateTimeSerializer.ToShortestXsdDateTimeString(longDateTime), Is.EqualTo(longDateTimeString));
         }
 
         [Test]