Migrated several tests from blink to V8 repository.

test/webkit/array-iterate-backwards.js

Index: test/webkit/array-iterate-backwards.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/array-iterate-backwards.js
similarity index 72%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/array-iterate-backwards.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..301cbd5290c9dfafcf44c22b351483aa219212f3 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/array-iterate-backwards.js
@@ -22,10 +22,34 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
+"This test checks that iterating a large array backwards works correctly."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+var bytes = new Array();
 
+function prepare(nbytes) {
+    var i = nbytes - 1;
+    while (i >= 0) {
+        bytes[i] = new Number(i);
+        i -= 1;
+    }
+}
 
+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)');