make Date.parse properly handle TZ offsets...

test/mjsunit/regress/regress-857.js

Index: test/mjsunit/regress/regress-857.js
===================================================================
--- test/mjsunit/regress/regress-857.js	(revision 0)
+++ test/mjsunit/regress/regress-857.js	(revision 0)
@@ -0,0 +1,37 @@
+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Make sure ES5 15.9.1.15 (ISO 8601 / RFC 3339) time zone offsets of
+// the form "+09:00" & "-09:00" get parsed as expected
+assertEquals(1283326536000, Date.parse("2010-08-31T22:35:36-09:00"));
+assertEquals(1283261736000, Date.parse("2010-08-31T22:35:36+09:00"));
+assertEquals(1283326536000, Date.parse("2010-08-31T22:35:36.0-09:00"));
+assertEquals(1283261736000, Date.parse("2010-08-31T22:35:36.0+09:00"));
+// colon-less time expressions in time zone offsets are not conformant
+// with ES5 15.9.1.15 but are nonetheless supported in V8
+assertEquals(1283326536000, Date.parse("2010-08-31T22:35:36-0900"));
+assertEquals(1283261736000, Date.parse("2010-08-31T22:35:36+0900"));