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js/src/jit-test/tests/arrays/setelem-one-past-nonwritable-length.js@129ffea94266

js/src/jit-test/tests/arrays/setelem-one-past-nonwritable-length.js

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 function f(arr, i, v)

 {

   arr[i] = v;

 }

 function test()

 {

   // Use a much-greater capacity than the eventual non-writable length.

   var a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15];

   Object.defineProperty(a, "length", { writable: false, value: 6 });

   for (var i = 0; i < 100; i++)

     f(a, a.length, i);

   assertEq(a.hasOwnProperty(6), false);

   assertEq(a[6], undefined);

   assertEq(a.length, 6);

 }

 test();