Add more date parse patterns with time-zone offsets

Author: drewnoakes

MetadataExtractor.Tests/DirectoryTest.cs

@@ -91,22 +91,28 @@ public void SetAndGetIntArray()
         [InlineData("2002:01:30 23:59",              2002, 1, 30, 23, 59,  0,  0, DateTimeKind.Unspecified)]
         [InlineData("2002-01-30 23:59:59",           2002, 1, 30, 23, 59, 59,  0, DateTimeKind.Unspecified)]
         [InlineData("2002-01-30 23:59",              2002, 1, 30, 23, 59,  0,  0, DateTimeKind.Unspecified)]
-//      [InlineData("2002-01-30T23:59:59.099-08:00", 2002, 1, 30, 23, 59, 59, 99, DateTimeKind.Unspecified)]
+        [InlineData("2002-01-30T23:59:59.099-08:00", 2002, 1, 31,  7, 59, 59, 99, DateTimeKind.Utc)]
+        [InlineData("2002-01-30T23:59:59.9",         2002, 1, 30, 23, 59, 59,900, DateTimeKind.Unspecified)]
+        [InlineData("2002-01-30T23:59:59.09",        2002, 1, 30, 23, 59, 59, 90, DateTimeKind.Unspecified)]
         [InlineData("2002-01-30T23:59:59.099",       2002, 1, 30, 23, 59, 59, 99, DateTimeKind.Unspecified)]
-//      [InlineData("2002-01-30T23:59:59-08:00",     2002, 1, 30, 23, 59, 59,  0, DateTimeKind.Unspecified)]
+        [InlineData("2002-01-30T23:59:59-08:00",     2002, 1, 31,  7, 59, 59,  0, DateTimeKind.Utc)]
         [InlineData("2002-01-30T23:59:59",           2002, 1, 30, 23, 59, 59,  0, DateTimeKind.Unspecified)]
-//      [InlineData("2002-01-30T23:59-08:00",        2002, 1, 30, 23, 59,  0,  0, DateTimeKind.Unspecified)]
+        [InlineData("2002-01-30T23:59:59+0100",      2002, 1, 30, 22, 59, 59,  0, DateTimeKind.Utc)]
+        [InlineData("2002-01-30T23:59-08:00",        2002, 1, 31,  7, 59,  0,  0, DateTimeKind.Utc)]
         [InlineData("2002-01-30T23:59",              2002, 1, 30, 23, 59,  0,  0, DateTimeKind.Unspecified)]
         [InlineData("2002-01-30",                    2002, 1, 30,  0,  0,  0,  0, DateTimeKind.Unspecified)]
         [InlineData("2002-01",                       2002, 1,  1,  0,  0,  0,  0, DateTimeKind.Unspecified)]
         [InlineData("2002",                          2002, 1,  1,  0,  0,  0,  0, DateTimeKind.Unspecified)]
 #pragma warning restore format
         public void SetStringAndGetDate(string str, int year, int month, int day, int hour, int minute, int second, int milli, DateTimeKind kind)
         {
+            _directory.Set(1, str);
+
             var expected = new DateTime(year, month, day, hour, minute, second, milli, kind);
+            var actual = _directory.GetDateTime(1);
 
-            _directory.Set(1, str);
-            Assert.Equal(expected, _directory.GetDateTime(1));
+            Assert.Equal(expected.Kind, actual.Kind);
+            Assert.Equal(expected, actual);
 
             // TODO revisit these commented cases and introduce GetDateTimeOffset impl/test
         }

MetadataExtractor/DirectoryExtensions.cs

@@ -597,18 +597,29 @@ public static DateTime GetDateTime(this Directory directory, int tagType /*, Tim
         private static readonly string[] _datePatterns =
         {
             "yyyy:MM:dd HH:mm:ss.fff",
+            "yyyy:MM:dd HH:mm:ss.fffzzz",
             "yyyy:MM:dd HH:mm:ss",
+            "yyyy:MM:dd HH:mm:sszzz",
             "yyyy:MM:dd HH:mm",
+            "yyyy:MM:dd HH:mmzzz",
+            "yyyy-MM-dd HH:mm:ss.fff",
+            "yyyy-MM-dd HH:mm:ss.fffzzz",
             "yyyy-MM-dd HH:mm:ss",
+            "yyyy-MM-dd HH:mm:sszzz",
             "yyyy-MM-dd HH:mm",
+            "yyyy-MM-dd HH:mmzzz",
             "yyyy.MM.dd HH:mm:ss",
+            "yyyy.MM.dd HH:mm:sszzz",
             "yyyy.MM.dd HH:mm",
+            "yyyy.MM.dd HH:mmzzz",
             "yyyy-MM-ddTHH:mm:ss.fff",
+            "yyyy-MM-ddTHH:mm:ss.fffzzz",
             "yyyy-MM-ddTHH:mm:ss.ff",
             "yyyy-MM-ddTHH:mm:ss.f",
             "yyyy-MM-ddTHH:mm:ss",
             "yyyy-MM-ddTHH:mm:sszzz",
             "yyyy-MM-ddTHH:mm",
+            "yyyy-MM-ddTHH:mmzzz",
             "yyyy:MM:dd",
             "yyyy-MM-dd",
             "yyyy-MM",