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-rw-r--r--js/src/tests/js1_5/extensions/regress-315509-02.js42
1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/js1_5/extensions/regress-315509-02.js b/js/src/tests/js1_5/extensions/regress-315509-02.js
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+++ b/js/src/tests/js1_5/extensions/regress-315509-02.js
@@ -0,0 +1,42 @@
+/* -*- 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 = 315509;
+var summary = 'Array.prototype.unshift do not crash on Arrays with holes';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+function x1() {
+ var a = new Array(1);
+ a.unshift(1);
+}
+function x2() {
+ var a = new Array(1);
+ a.unshift.call(a, 1);
+}
+function x3() {
+ var a = new Array(1);
+ a.x = a.unshift;
+ a.x(1);
+}
+function x4() {
+ var a = new Array(1);
+ a.__defineSetter__("x", a.unshift);
+ a.x = 1;
+}
+
+for (var i = 0; i < 10; i++)
+{
+ x1();
+ x2();
+ x3();
+ x4();
+}
+
+reportCompare(expect, actual, summary);