The Tor Browser: js/src/tests/ecma_5/Array/redefine-nonwritable-length-custom-conversion-call-counts.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * Any copyright is dedicated to the Public Domain.

     3  * http://creativecommons.org/licenses/publicdomain/

     4  * Contributor:

     5  *   Jeff Walden <jwalden+code@mit.edu>

     6  */

     8 //-----------------------------------------------------------------------------

     9 var BUGNUMBER = 866700;

    10 var summary = "Assertion redefining non-writable length to a non-numeric value";

    12 print(BUGNUMBER + ": " + summary);

    14 /**************

    15  * BEGIN TEST *

    16  **************/

    18 var count = 0;

    20 var convertible =

    21   {

    22     valueOf: function()

    23     {

    24       count++;

    25       return 0;

    26     }

    27   };

    29 var arr = [];

    30 Object.defineProperty(arr, "length", { value: 0, writable: false });

    32 Object.defineProperty(arr, "length", { value: convertible });

    33 assertEq(count, 2);

    35 Object.defineProperty(arr, "length", { value: convertible });

    36 assertEq(count, 4);

    38 assertEq(arr.length, 0);

    40 /******************************************************************************/

    42 if (typeof reportCompare === "function")

    43   reportCompare(true, true);

    45 print("Tests complete");

The Tor Browser / file revision