The Tor Browser: js/src/tests/ecma_5/String/15.5.4.11-01.js@b8a032363ba2

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

     1 /*

     2  * Any copyright is dedicated to the Public Domain.

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

     4  */

     6 var BUGNUMBER = 587366;

     7 var summary = "String.prototype.replace with non-regexp searchValue";

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

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

    12  * BEGIN TEST *

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

    15 /*

    16  * Check that regexp statics are preserved across the whole test.

    17  * If the engine is trying to cheat by turning stuff into regexps,

    18  * we should catch it!

    19  */

    20 /(a|(b)|c)+/.exec('abcabc');

    21 var before = {

    22     "source" : RegExp.source,

    23     "$`": RegExp.leftContext,

    24     "$'": RegExp.rightContext,

    25     "$&": RegExp.lastMatch,

    26     "$1": RegExp.$1,

    27     "$2": RegExp.$2

    28 };

    30 var text = 'I once was lost but now am found.';

    31 var searchValue = 'found';

    32 var replaceValue;

    34 /* Lambda substitution. */

    35 replaceValue = function(matchStr, matchStart, textStr) {

    36     assertEq(matchStr, searchValue);

    37     assertEq(matchStart, 27);

    38     assertEq(textStr, text);

    39     return 'not watching that show anymore';

    40 }

    41 var result = text.replace(searchValue, replaceValue);

    42 assertEq(result, 'I once was lost but now am not watching that show anymore.');

    44 /* Dollar substitution. */

    45 replaceValue = "...wait, where was I again? And where is all my $$$$$$? Oh right, $`$&$'" +

    46                " But with no $$$$$$"; /* Note the dot is not replaced and trails the end. */

    47 result = text.replace(searchValue, replaceValue);

    48 assertEq(result, 'I once was lost but now am ...wait, where was I again?' +

    49                  ' And where is all my $$$? Oh right, I once was lost but now am found.' +

    50                  ' But with no $$$.');

    52 /* Missing capture group dollar substitution. */

    53 replaceValue = "$1$&$2$'$3";

    54 result = text.replace(searchValue, replaceValue);

    55 assertEq(result, 'I once was lost but now am $1found$2.$3.');

    57 /* Check RegExp statics haven't been mutated. */

    58 for (var ident in before)

    59     assertEq(RegExp[ident], before[ident]);

    61 /******************************************************************************/

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

    64   reportCompare(true, true);

    66 print("All tests passed!");

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