The Tor Browser: js/src/tests/ecma_5/strict/10.4.3.js@129ffea94266

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.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     3 /*

     4  * Any copyright is dedicated to the Public Domain.

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

     6  */

     8 var obj = {}

    10 function strict() { "use strict"; return this; }

    11 assertEq(strict.call(""), "");

    12 assertEq(strict.call(true), true);

    13 assertEq(strict.call(42), 42);

    14 assertEq(strict.call(null), null);

    15 assertEq(strict.call(undefined), undefined);

    16 assertEq(strict.call(obj), obj);

    17 assertEq(new strict() instanceof Object, true);

    19 /*

    20  * The compiler internally converts x['foo'] to x.foo. Writing x[s] where

    21  * s='foo' is enough to throw it off the scent for now.

    22  */

    23 var strictString = 'strict';

    25 Boolean.prototype.strict = strict;

    26 assertEq(true.strict(), true);

    27 assertEq(true[strictString](), true);

    29 Number.prototype.strict = strict;

    30 assertEq((42).strict(), 42);

    31 assertEq(42[strictString](), 42);

    33 String.prototype.strict = strict;

    34 assertEq("".strict(), "");

    35 assertEq(""[strictString](), "");

    37 function lenient() { return this; }

    38 assertEq(lenient.call("") instanceof String, true);

    39 assertEq(lenient.call(true) instanceof Boolean, true);

    40 assertEq(lenient.call(42) instanceof Number, true);

    41 assertEq(lenient.call(null), this);

    42 assertEq(lenient.call(undefined), this);

    43 assertEq(lenient.call(obj), obj);

    44 assertEq(new lenient() instanceof Object, true);

    46 var lenientString = 'lenient';

    48 Boolean.prototype.lenient = lenient;

    49 assertEq(true.lenient() instanceof Boolean, true);

    50 assertEq(true[lenientString]() instanceof Boolean, true);

    52 Number.prototype.lenient = lenient;

    53 assertEq(42[lenientString]() instanceof Number, true);

    55 String.prototype.lenient = lenient;

    56 assertEq(""[lenientString]() instanceof String, true);

    58 reportCompare(true, true);

The Tor Browser / file revision

js/src/tests/ecma_5/strict/10.4.3.js@129ffea94266

js/src/tests/ecma_5/strict/10.4.3.js