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-rw-r--r--js/src/tests/non262/Array/regress-430717.js29
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diff --git a/js/src/tests/non262/Array/regress-430717.js b/js/src/tests/non262/Array/regress-430717.js
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+++ b/js/src/tests/non262/Array/regress-430717.js
@@ -0,0 +1,29 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 430717;
+var summary = 'Dense Arrays should inherit deleted elements from Array.prototype';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+ printBugNumber(BUGNUMBER);
+ printStatus (summary);
+
+ Array.prototype[2] = "two";
+ var a = [0,1,2,3];
+ delete a[2];
+
+ expect = 'two';
+ actual = a[2];
+ reportCompare(expect, actual, summary);
+}