Synchronize with r15594.

test/intl/break-iterator/en-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.
 
-Object.defineProperty(this, "x", { writable:true });
+// Segment plain English sentence and check results.
 
-function s(v) {
-  v.x = 1;
+var iterator = new Intl.v8BreakIterator(['en']);
+
+var textToSegment = 'Jack and Jill, went over hill, and got lost. Alert!';
+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 s_strict(v) {
-  "use strict";
-  v.x = 1;
-}
+assertEquals('Jack', slices[0]);
+assertEquals(' ', slices[1]);
+assertEquals('and', slices[2]);
+assertEquals(' ', slices[3]);
+assertEquals('Jill', slices[4]);
+assertEquals(',', slices[5]);
+assertEquals('!', slices[slices.length - 1]);
 
-function c(p) {
-  return {__proto__: p};
-}
-
-var o1 = c(this);
-var o2 = c(this);
-
-// Initialize the store IC.
-s(c(this));
-s(c(this));
-s_strict(c(this));
-s_strict(c(this));
-
-// Make x non-writable.
-Object.defineProperty(this, "x", { writable:false, value:5 });
-
-// Verify that direct setting fails.
-o1.x = 20;
-assertEquals(5, o1.x);
-
-// Verify that setting through the IC fails.
-s(o2);
-assertEquals(5, o2.x);
-assertThrows("s_strict(o2);", TypeError);
+assertEquals('letter', types[0]);
+assertEquals('none', types[1]);
+assertEquals('letter', types[2]);
+assertEquals('none', types[3]);
+assertEquals('letter', types[4]);
+assertEquals('none', types[types.length - 1]);