Synchronize with r15594.

test/intl/break-iterator/zh-break.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.
 
-function s(v) {
-  v.x = 1;
+// Segment plain Chinese sentence and check results.
+
+var iterator = new Intl.v8BreakIterator(['zh']);
+
+var textToSegment = '\u56FD\u52A1\u9662\u5173\u4E8E\u300A\u571F\u5730' +
+                    '\u623F\u5C4B\u7BA1\u7406\u6761\u4F8B\u300B';
+iterator.adoptText(textToSegment);
+
+var slices = [];
+var types = [];
+var pos = iterator.first();
+while (pos !== -1) {
+  var nextPos = iterator.next();
+  if (nextPos === -1) break;
+
+  slices.push(textToSegment.slice(pos, nextPos));
+  types.push(iterator.breakType());
+
+  pos = nextPos;
 }
 
-function c(p) {
-  return {__proto__: p};
-}
+assertEquals('\u56FD\u52A1\u9662', slices[0]);
+assertEquals('\u5173\u4E8E', slices[1]);
+assertEquals('\u300A', slices[2]);
+assertEquals('\u571F\u5730', slices[3]);
+assertEquals('\u623F\u5C4B', slices[4]);
+assertEquals('\u7BA1\u7406', slices[5]);
+assertEquals('\u6761\u4F8B', slices[6]);
+assertEquals('\u300B', slices[7]);
 
-var p = {};
-
-// Make p the last prototype in the chain.
-p.__proto__ = null;
-
-var o1 = c(p);
-var o2 = c(p);
-var o3 = c(p);
-var o4 = c(p);
-
-// Make y go to slow mode.
-// Do this after using p as prototype, since using an object as prototype kicks
-// it back into fast mode.
-p.y = 1;
-delete p.y;
-
-// Initialize the store IC.
-s(o1);
-s(o2);
-
-// Do something with x in slow-mode p.
-Object.defineProperty(p, "x", { writable: false, value: 5 });
-
-// Verify that directly setting x fails.
-o3.x = 10;
-assertEquals(5, o3.x);
-
-// Verify that setting x through the IC fails.
-s(o4);
-assertEquals(5, o4.x);
+assertEquals('ideo', types[0]);
+assertEquals('ideo', types[1]);
+assertEquals('none', types[2]);
+assertEquals('ideo', types[3]);
+assertEquals('ideo', types[4]);
+assertEquals('none', types[types.length - 1]);