[Enhance] Support DateTime convert to byte[] through by Int64

Author: Chung, Chun-Yi

IsTo.Tests/To/ToOfGenericToArray.cs

@@ -400,6 +400,17 @@ public void ByDictionary()
 			//Assert.True(result.SequenceEqual(expect));
 		}
 
+		[Fact]
+		public void FromDateTimeToByteArray()
+		{
+			var value = new DateTime(
+				1971, 8, 31, 11, 22, 33, 44
+			);
+			var result = value.To<byte[]>();
+			var expect = BitConverter.GetBytes(value.ToBinary());
+			Assert.True(result.SequenceEqual(expect));
+		}
+
 		[Fact]
 		public void FromBooleanToByteArray()
 		{

IsTo.Tests/To/ToOfGenericToDateTime.cs

@@ -3,6 +3,7 @@
 // kevinjong        2016-02-11 - Creation
 
 using System;
+using System.Linq;
 using Xunit;
 
 namespace IsTo.Tests
@@ -79,8 +80,17 @@ public void FromInt64()
 			var value = expect.ToBinary(); //621880825530440000L;
 			var result = value.To<DateTime>();
 			Assert.True(result == expect);
+		}
 
-
+		[Fact]
+		public void FromByteArray()
+		{
+			var value = new DateTime(
+				1971, 8, 31, 11, 22, 33, 44
+			);
+			var expect = BitConverter.GetBytes(value.ToBinary());
+			var result = value.To<byte[]>();
+			Assert.True(result.SequenceEqual(expect));
 		}
 	}
 }

IsTo/To/TryFrom/TryFromDateTime.cs

@@ -19,6 +19,10 @@ private static bool TryFromDateTime(
 
 			switch(to.Category) {
 				case TypeCategory.Array:
+					if(to.IsBytes) {
+						result = value.ToBinary().To<byte[]>();
+						return true;
+					}
 					return TryToArray(
 						from,
 						to,