Import intl test suite from v8-i18n project

test/intl/number-format/parse-decimal.js

 // Copyright 2013 the V8 project authors. All rights reserved.
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 // 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.
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 //       from this software without specific prior written permission.
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 // limitations under the License.
 
-// ECMAScript 402 API implementation is broken into separate files for
-// each service. The build system combines them together into one
-// Intl namespace.
+var nf = new Intl.NumberFormat(['en'], {style: 'decimal'});
 
-// Fix RegExp global state so we don't fail WebKit layout test:
-// fast/js/regexp-caching.html
-// It seems that 'g' or test() operations leave state changed.
-var CLEANUP_RE = new RegExp('');
-CLEANUP_RE.test('');
+assertEquals(123.43, nf.v8Parse('123.43'));
+assertEquals(123, nf.v8Parse('123'));
+assertEquals(NaN, nf.v8Parse(NaN));
+assertEquals(12323, nf.v8Parse('123,23'));
+assertEquals(12323.456, nf.v8Parse('123,23.456'));
+assertEquals(12323.456, nf.v8Parse('0000000123,23.456'));
+assertEquals(-12323.456, nf.v8Parse('-123,23.456'));
 
-return Intl;
-}());
+// Scientific notation gets ignored.
+assertEquals(123.456, nf.v8Parse('123.456e-3'));