Import intl test suite from v8-i18n project

test/intl/date-format/timezone.js

Index: test/intl/date-format/timezone.js
diff --git a/test/intl/date-format/timezone.js b/test/intl/date-format/timezone.js
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+// Copyright 2013 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.
+// limitations under the License.
+
+// Tests time zone support.
+
+var df = Intl.DateTimeFormat();
+assertEquals(getDefaultTimeZone(), df.resolvedOptions().timeZone);
+
+df = Intl.DateTimeFormat(undefined, {timeZone: 'UtC'});
+assertEquals('UTC', df.resolvedOptions().timeZone);
+
+df = Intl.DateTimeFormat(undefined, {timeZone: 'gmt'});
+assertEquals('UTC', df.resolvedOptions().timeZone);
+
+df = Intl.DateTimeFormat(undefined, {timeZone: 'America/Los_Angeles'});
+assertEquals('America/Los_Angeles', df.resolvedOptions().timeZone);
+
+df = Intl.DateTimeFormat(undefined, {timeZone: 'Europe/Belgrade'});
+assertEquals('Europe/Belgrade', df.resolvedOptions().timeZone);
+
+// Check Etc/XXX variants. They should work too.
+df = Intl.DateTimeFormat(undefined, {timeZone: 'Etc/UTC'});
+assertEquals('UTC', df.resolvedOptions().timeZone);
+
+df = Intl.DateTimeFormat(undefined, {timeZone: 'Etc/GMT'});
+assertEquals('UTC', df.resolvedOptions().timeZone);
+
+df = Intl.DateTimeFormat(undefined, {timeZone: 'euRope/beLGRade'});
+assertEquals('Europe/Belgrade', df.resolvedOptions().timeZone);
+
+// : + - are not allowed, only / _ are.
+assertThrows('Intl.DateTimeFormat(undefined, {timeZone: \'GMT+07:00\'})');
+assertThrows('Intl.DateTimeFormat(undefined, {timeZone: \'GMT+0700\'})');
+assertThrows('Intl.DateTimeFormat(undefined, {timeZone: \'GMT-05:00\'})');
+assertThrows('Intl.DateTimeFormat(undefined, {timeZone: \'GMT-0500\'})');
+assertThrows('Intl.DateTimeFormat(undefined, {timeZone: \'Etc/GMT+0\'})');
+assertThrows('Intl.DateTimeFormat(undefined, ' +
+    '{timeZone: \'America/Los-Angeles\'})');
+
+// Throws for unsupported time zones.
+assertThrows('Intl.DateTimeFormat(undefined, {timeZone: \'Aurope/Belgrade\'})');