The Tor Browser: js/src/tests/ecma_5/eval/strict-eval-json-object-repeated-property-name.js@b8a032363ba2

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

     1 // Any copyright is dedicated to the Public Domain.

     2 // http://creativecommons.org/licenses/publicdomain/

     3 "use strict";

     5 //-----------------------------------------------------------------------------

     6 var BUGNUMBER = 657713;

     7 var summary =

     8   "eval JSON parser hack misfires in strict mode, for objects with duplicate " +

     9   "property names";

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

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

    14  * BEGIN TEST *

    15  **************/

    17 try

    18 {

    19   var r = eval('({"a": 2, "a": 3})');

    20   throw new Error("didn't throw, returned " + r);

    21 }

    22 catch (e)

    23 {

    24   assertEq(e instanceof SyntaxError, true,

    25            "strict mode forbids objects with duplicated property names: " + e);

    26 }

    28 try

    29 {

    30   var r = Function("'use strict'; return eval('({\"a\": 2, \"a\": 3})');")();

    31   throw new Error("didn't throw, returned " + r);

    32 }

    33 catch (e)

    34 {

    35   assertEq(e instanceof SyntaxError, true,

    36            "strict mode forbids objects with duplicated property names: " + e);

    37 }

    39 /******************************************************************************/

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

    42   reportCompare(true, true);

    44 print("Tests complete!");

The Tor Browser / file revision