js/src/tests/ecma_5/JSON/stringify-replacer-array-hijinks.js@129ffea94266 (annotated)
js/src/tests/ecma_5/JSON/stringify-replacer-array-hijinks.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 | |
| michael@0 | 4 | var gTestfile = 'stringify-replacer-array-hijinks.js'; |
| michael@0 | 5 | //----------------------------------------------------------------------------- |
| michael@0 | 6 | var BUGNUMBER = 648471; |
| michael@0 | 7 | var summary = |
| michael@0 | 8 | "Better/more correct handling for replacer arrays with getter array index " + |
| michael@0 | 9 | "properties"; |
| 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 | var replacer = [0, 1, 2, 3]; |
| michael@0 | 18 | Object.prototype[3] = 3; |
| michael@0 | 19 | Object.defineProperty(replacer, 1, { |
| michael@0 | 20 | get: function() |
| michael@0 | 21 | { |
| michael@0 | 22 | Object.defineProperty(replacer, 4, { value: 4 }); |
| michael@0 | 23 | delete replacer[2]; |
| michael@0 | 24 | delete replacer[3]; |
| michael@0 | 25 | replacer[5] = 5; |
| michael@0 | 26 | return 1; |
| michael@0 | 27 | } |
| michael@0 | 28 | }); |
| michael@0 | 29 | |
| michael@0 | 30 | var s = |
| michael@0 | 31 | JSON.stringify({0: { 1: { 3: { 4: { 5: { 2: "omitted" } } } } } }, replacer); |
| michael@0 | 32 | |
| michael@0 | 33 | // The replacer array's length is as seen on first query, so property names are |
| michael@0 | 34 | // accumulated for indexes i ∈ {0, 1, 2, 3}, but index 1 deletes 2 and 3, so 2 |
| michael@0 | 35 | // isn't seen but 3 is seen as Object.prototype[3]. |
| michael@0 | 36 | assertEq('{"0":{"1":{"3":{"3":3}},"3":3},"3":3}', s); |
| michael@0 | 37 | |
| michael@0 | 38 | |
| michael@0 | 39 | var replacer = [0, 1, 2, 3]; |
| michael@0 | 40 | Object.defineProperty(replacer, 0, { |
| michael@0 | 41 | get: function() |
| michael@0 | 42 | { |
| michael@0 | 43 | replacer.length = 0; |
| michael@0 | 44 | return {}; |
| michael@0 | 45 | } |
| michael@0 | 46 | }); |
| michael@0 | 47 | |
| michael@0 | 48 | // The replacer.length truncation means only properties on the prototype chain |
| michael@0 | 49 | // shine through, but it doesn't affect the original bounds of the iteration |
| michael@0 | 50 | // used to determine property names which will be included in the final string. |
| michael@0 | 51 | assertEq(JSON.stringify({ 0: 0, 1: 1, 2: 2, 3: 3 }, replacer), |
| michael@0 | 52 | '{"3":3}'); |
| michael@0 | 53 | |
| michael@0 | 54 | /******************************************************************************/ |
| michael@0 | 55 | |
| michael@0 | 56 | if (typeof reportCompare === "function") |
| michael@0 | 57 | reportCompare(true, true); |
| michael@0 | 58 | |
| michael@0 | 59 | print("Tests complete"); |
