Migrate more tests from blink repository.

test/webkit/fast/js/object-prototype-toLocaleString.js

Index: test/webkit/fast/js/object-prototype-toLocaleString.js
diff --git a/test/webkit/array-iterate-backwards.js b/test/webkit/fast/js/object-prototype-toLocaleString.js
similarity index 65%
copy from test/webkit/array-iterate-backwards.js
copy to test/webkit/fast/js/object-prototype-toLocaleString.js
index 301cbd5290c9dfafcf44c22b351483aa219212f3..213b5b9715f9be63de8ea7ea30e022e0707ed607 100644
--- a/test/webkit/array-iterate-backwards.js
+++ b/test/webkit/fast/js/object-prototype-toLocaleString.js
@@ -22,34 +22,17 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"This test checks that iterating a large array backwards works correctly."
+'Tests: Object.prototype.toLocaleString(). Related bug: <a href="https://bugs.webkit.org/show_bug.cgi?id=3989">3989 JSC doesn\'t implement Object.prototype.toLocaleString()</a>'
 );
 
-var bytes = new Array();
+var o = new Object();
+shouldBe("o.toLocaleString()", "o.toString()");
+o.toLocaleString = function () { return "Dynamic toLocaleString()"; }
+shouldBe("o.toLocaleString()", '"Dynamic toLocaleString()"');
 
-function prepare(nbytes) {
-    var i = nbytes - 1;
-    while (i >= 0) {
-        bytes[i] = new Number(i);
-        i -= 1;
-    }
-}
+shouldBe("Object.prototype.toLocaleString.call('Hello, world!')", '"Hello, world!"');
 
-function verify(nbytes) {
-    var i = nbytes - 1;
-    while (i >= 0) {
-        if (bytes[i] != i)
-            return false;
-        i -= 1;
-    }
-    return true;
-}
-
-prepare(32768);
-shouldBeTrue('verify(32768)');
-
-prepare(65536);
-shouldBeTrue('verify(65536)');
-
-prepare(120000);
-shouldBeTrue('verify(120000)');
+var stringPrototypeToString = String.prototype.toString;
+String.prototype.toString = (function(){ return "stringPrototypeToString"; });
+shouldBe("Object.prototype.toLocaleString.call('Hello, world!')", '"stringPrototypeToString"');
+String.prototype.toString = stringPrototypeToString;