Fix bug in DateTime.parse.

tests/corelib/date_time_parse_test.dart

Index: tests/corelib/date_time_parse_test.dart
diff --git a/tests/corelib/date_time_parse_test.dart b/tests/corelib/date_time_parse_test.dart
index a8b9827d13a35cb2dcc0c1bb392bbbe4db043d59..2f489238566e8fc2b1198823dacfb6833de976bf 100644
--- a/tests/corelib/date_time_parse_test.dart
+++ b/tests/corelib/date_time_parse_test.dart
@@ -23,4 +23,16 @@ main() {
   check(new DateTime.utc(2012, 02, 27, 14), "2012-02-27T14+0000");
   check(new DateTime.utc(2012, 02, 27, 14), "2012-02-27T14+00:00");
   check(new DateTime.utc(2012, 02, 27, 14), "2012-02-27T14 +00:00");
+
+  check(new DateTime.utc(2015, 02, 14, 13, 0, 0, 0),
+        "2015-02-15T00:00+11");
+  check(new DateTime.utc(2015, 02, 14, 13, 0, 0, 0),
+        "2015-02-15T00:00:00+11");
+  check(new DateTime.utc(2015, 02, 14, 13, 0, 0, 0),
+        "2015-02-15T00:00:00+11:00");
+
+  check(new DateTime.utc(2015, 02, 15, 0, 0, 0, 501),
+        "2015-02-15T00:00:00.5005Z");
+  check(new DateTime.utc(2015, 02, 15, 0, 0, 0, 512),
+        "2015-02-15T00:00:00.5115Z");
 }