The Tor Browser: js/src/tests/ecma_5/RegExp/15.10.7.5-01.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  */

     6 var BUGNUMBER = 465199;

     7 var summary = "RegExp lastIndex property set should not coerce type to number";

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

    11 /**************

    12  * BEGIN TEST *

    13  **************/

    15 var called = false;

    16 var o = { valueOf: function() { called = true; return 1; } };

    17 var r = /a/g;

    18 var desc, m;

    20 assertEq(r.lastIndex, 0);

    22 desc = Object.getOwnPropertyDescriptor(r, "lastIndex");

    23 assertEq(desc.enumerable, false);

    24 assertEq(desc.configurable, false);

    25 assertEq(desc.value, 0);

    26 assertEq(desc.writable, true);

    28 r.lastIndex = o;

    30 assertEq(r.lastIndex, o);

    32 desc = Object.getOwnPropertyDescriptor(r, "lastIndex");

    33 assertEq(desc.enumerable, false);

    34 assertEq(desc.configurable, false);

    35 assertEq(desc.value, o);

    36 assertEq(desc.writable, true);

    38 assertEq(called, false);

    39 assertEq(r.exec("aaaa").length, 1);

    40 assertEq(called, true);

    41 assertEq(r.lastIndex, 2);

    43 desc = Object.getOwnPropertyDescriptor(r, "lastIndex");

    44 assertEq(desc.enumerable, false);

    45 assertEq(desc.configurable, false);

    46 assertEq(desc.value, 2);

    47 assertEq(desc.writable, true);

    50 r.lastIndex = -0.2;

    51 assertEq(r.lastIndex, -0.2);

    53 m = r.exec("aaaa");

    54 assertEq(Array.isArray(m), true);

    55 assertEq(m.length, 1);

    56 assertEq(m[0], "a");

    57 assertEq(r.lastIndex, 1);

    59 m = r.exec("aaaa");

    60 assertEq(Array.isArray(m), true);

    61 assertEq(m.length, 1);

    62 assertEq(m[0], "a");

    63 assertEq(r.lastIndex, 2);

    66 /******************************************************************************/

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

    69   reportCompare(true, true);

    71 print("All tests passed!");

The Tor Browser / file revision