Synchronize with r15594.

test/intl/break-iterator/en-break.js

Index: test/intl/break-iterator/en-break.js
diff --git a/test/mjsunit/regress/readonly2.js b/test/intl/break-iterator/en-break.js
similarity index 63%
copy from test/mjsunit/regress/readonly2.js
copy to test/intl/break-iterator/en-break.js
index 4e539250d55cd7656c70d2fa0bd8ef7a97527db0..7268a101e71503c657177e4bb3007ea70a6fab8e 100644
--- a/test/mjsunit/regress/readonly2.js
+++ b/test/intl/break-iterator/en-break.js
@@ -25,38 +25,37 @@
 // (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;
-}
-
-function s_strict(v) {
-  "use strict";
-  v.x = 1;
-}
+var iterator = new Intl.v8BreakIterator(['en']);
 
-function c(p) {
-  return {__proto__: p};
-}
-
-var o1 = c(this);
-var o2 = c(this);
+var textToSegment = 'Jack and Jill, went over hill, and got lost. Alert!';
+iterator.adoptText(textToSegment);
 
-// Initialize the store IC.
-s(c(this));
-s(c(this));
-s_strict(c(this));
-s_strict(c(this));
+var slices = [];
+var types = [];
+var pos = iterator.first();
+while (pos !== -1) {
+  var nextPos = iterator.next();
+  if (nextPos === -1) break;
 
-// Make x non-writable.
-Object.defineProperty(this, "x", { writable:false, value:5 });
+  slices.push(textToSegment.slice(pos, nextPos));
+  types.push(iterator.breakType());
 
-// Verify that direct setting fails.
-o1.x = 20;
-assertEquals(5, o1.x);
+  pos = nextPos;
+}
 
-// Verify that setting through the IC fails.
-s(o2);
-assertEquals(5, o2.x);
-assertThrows("s_strict(o2);", TypeError);
+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]);
+
+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]);