Fix Intl*parsing test

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

 // 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.
+//
+// Flags: --intl-extra
 
 var nf = new Intl.NumberFormat(['en'], {style: 'decimal'});
 
 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'));
+assertEquals(12323, nf.v8Parse('12,323'));
+assertEquals(12323, nf.v8Parse('12323'));
+assertEquals(12323.456, nf.v8Parse('12,323.456'));
+assertEquals(12323.456, nf.v8Parse('000000012323.456'));
+assertEquals(12323.456, nf.v8Parse('000,000,012,323.456'));
+assertEquals(-12323.456, nf.v8Parse('-12,323.456'));
 
-// Scientific notation gets ignored.
-assertEquals(123.456, nf.v8Parse('123.456e-3'));
+assertEquals(12323, nf.v8Parse('000000012323'));
+assertEquals(12323, nf.v8Parse('000,000,012,323'));
+assertEquals(undefined, nf.v8Parse('000000012,323.456'));
+
+// not tolerant of a misplaced thousand separator
+assertEquals(undefined, nf.v8Parse('123,23.456'));
+assertEquals(undefined, nf.v8Parse('0000000123,23.456'));
+assertEquals(undefined, nf.v8Parse('-123,23.456'));
+
+// Scientific notation is supported.
+assertEquals(0.123456, nf.v8Parse('123.456e-3'));