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js/src/jit-test/tests/arrays/setelem-one-past-nonwritable-length.js@b8a032363ba2

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

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 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();