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diff --git a/js/src/tests/non262/Array/regress-465980-02.js b/js/src/tests/non262/Array/regress-465980-02.js
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+++ b/js/src/tests/non262/Array/regress-465980-02.js
@@ -0,0 +1,167 @@
+// |reftest| slow
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 = 465980;
+var summary = 'Do not crash @ InitArrayElements';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+ printBugNumber(BUGNUMBER);
+ printStatus (summary);
+
+ function describe(name, startLength, pushArgs, expectThrow, expectLength)
+ {
+ return name + "(" + startLength + ", " +
+ "[" + pushArgs.join(", ") + "], " +
+ expectThrow + ", " +
+ expectLength + ")";
+ }
+
+ var push = Array.prototype.push;
+ var unshift = Array.prototype.unshift;
+
+ function testArrayPush(startLength, pushArgs, expectThrow, expectLength)
+ {
+ print("running testArrayPush(" +
+ startLength + ", " +
+ "[" + pushArgs.join(", ") + "], " +
+ expectThrow + ", " +
+ expectLength + ")...");
+ var a = new Array(startLength);
+ try
+ {
+ push.apply(a, pushArgs);
+ if (expectThrow)
+ {
+ throw "expected to throw for " +
+ describe("testArrayPush", startLength, pushArgs, expectThrow,
+ expectLength);
+ }
+ }
+ catch (e)
+ {
+ if (!(e instanceof RangeError))
+ {
+ throw "unexpected exception type thrown: " + e + " for " +
+ describe("testArrayPush", startLength, pushArgs, expectThrow,
+ expectLength);
+ }
+ if (!expectThrow)
+ {
+ throw "unexpected exception " + e + " for " +
+ describe("testArrayPush", startLength, pushArgs, expectThrow,
+ expectLength);
+ }
+ }
+
+ if (a.length !== expectLength)
+ {
+ throw "unexpected modified-array length for " +
+ describe("testArrayPush", startLength, pushArgs, expectThrow,
+ expectLength);
+ }
+
+ for (var i = 0, sz = pushArgs.length; i < sz; i++)
+ {
+ var index = i + startLength;
+ if (a[index] !== pushArgs[i])
+ {
+ throw "unexpected value " + a[index] +
+ " at index " + index + " (" + i + ") during " +
+ describe("testArrayPush", startLength, pushArgs, expectThrow,
+ expectLength) + ", expected " + pushArgs[i];
+ }
+ }
+ }
+
+ function testArrayUnshift(startLength, unshiftArgs, expectThrow, expectLength)
+ {
+ print("running testArrayUnshift(" +
+ startLength + ", " +
+ "[" + unshiftArgs.join(", ") + "], " +
+ expectThrow + ", " +
+ expectLength + ")...");
+ var a = new Array(startLength);
+ try
+ {
+ unshift.apply(a, unshiftArgs);
+ if (expectThrow)
+ {
+ throw "expected to throw for " +
+ describe("testArrayUnshift", startLength, unshiftArgs, expectThrow,
+ expectLength);
+ }
+ }
+ catch (e)
+ {
+ if (!(e instanceof RangeError))
+ {
+ throw "unexpected exception type thrown: " + e + " for " +
+ describe("testArrayUnshift", startLength, unshiftArgs, expectThrow,
+ expectLength);
+ }
+ if (!expectThrow)
+ {
+ throw "unexpected exception " + e + " for " +
+ describe("testArrayUnshift", startLength, unshiftArgs, expectThrow,
+ expectLength);
+ }
+ }
+
+ if (a.length !== expectLength)
+ {
+ throw "unexpected modified-array length for " +
+ describe("testArrayUnshift", startLength, unshiftArgs, expectThrow,
+ expectLength);
+ }
+
+ for (var i = 0, sz = unshiftArgs.length; i < sz; i++)
+ {
+ if (a[i] !== unshiftArgs[i])
+ {
+ throw "unexpected value at index " + i + " during " +
+ describe("testArrayUnshift", startLength, unshiftArgs, expectThrow,
+ expectLength);
+ }
+ }
+ }
+
+ var failed = true;
+
+ try
+ {
+ var foo = "foo", bar = "bar", baz = "baz";
+
+ testArrayPush(4294967294, [foo], false, 4294967295);
+ testArrayPush(4294967294, [foo, bar], true, 4294967295);
+ testArrayPush(4294967294, [foo, bar, baz], true, 4294967295);
+ testArrayPush(4294967295, [foo], true, 4294967295);
+ testArrayPush(4294967295, [foo, bar], true, 4294967295);
+ testArrayPush(4294967295, [foo, bar, baz], true, 4294967295);
+
+ testArrayUnshift(4294967294, [foo], false, 4294967295);
+ testArrayUnshift(4294967294, [foo, bar], true, 4294967294);
+ testArrayUnshift(4294967294, [foo, bar, baz], true, 4294967294);
+ testArrayUnshift(4294967295, [foo], true, 4294967295);
+ testArrayUnshift(4294967295, [foo, bar], true, 4294967295);
+ testArrayUnshift(4294967295, [foo, bar, baz], true, 4294967295);
+
+ }
+ catch (e)
+ {
+ actual = e + '';
+ }
+
+ reportCompare(expect, actual, summary);
+}