js/src/tests/ecma_5/eval/strict-eval-json-object-repeated-property-name.js

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

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.

michael@0 1 // Any copyright is dedicated to the Public Domain.
michael@0 2 // http://creativecommons.org/licenses/publicdomain/
michael@0 3 "use strict";
michael@0 4
michael@0 5 //-----------------------------------------------------------------------------
michael@0 6 var BUGNUMBER = 657713;
michael@0 7 var summary =
michael@0 8 "eval JSON parser hack misfires in strict mode, for objects with duplicate " +
michael@0 9 "property names";
michael@0 10
michael@0 11 print(BUGNUMBER + ": " + summary);
michael@0 12
michael@0 13 /**************
michael@0 14 * BEGIN TEST *
michael@0 15 **************/
michael@0 16
michael@0 17 try
michael@0 18 {
michael@0 19 var r = eval('({"a": 2, "a": 3})');
michael@0 20 throw new Error("didn't throw, returned " + r);
michael@0 21 }
michael@0 22 catch (e)
michael@0 23 {
michael@0 24 assertEq(e instanceof SyntaxError, true,
michael@0 25 "strict mode forbids objects with duplicated property names: " + e);
michael@0 26 }
michael@0 27
michael@0 28 try
michael@0 29 {
michael@0 30 var r = Function("'use strict'; return eval('({\"a\": 2, \"a\": 3})');")();
michael@0 31 throw new Error("didn't throw, returned " + r);
michael@0 32 }
michael@0 33 catch (e)
michael@0 34 {
michael@0 35 assertEq(e instanceof SyntaxError, true,
michael@0 36 "strict mode forbids objects with duplicated property names: " + e);
michael@0 37 }
michael@0 38
michael@0 39 /******************************************************************************/
michael@0 40
michael@0 41 if (typeof reportCompare === "function")
michael@0 42 reportCompare(true, true);
michael@0 43
michael@0 44 print("Tests complete!");

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