js/src/tests/ecma_5/extensions/watch-replaced-setter.js@129ffea94266 (annotated)
js/src/tests/ecma_5/extensions/watch-replaced-setter.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 | /* |
| michael@0 | 2 | * Any copyright is dedicated to the Public Domain. |
| michael@0 | 3 | * http://creativecommons.org/licenses/publicdomain/ |
| michael@0 | 4 | */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* A stock watcher function. */ |
| michael@0 | 7 | var watcherCount; |
| michael@0 | 8 | function watcher(id, oldval, newval) { watcherCount++; return newval; } |
| michael@0 | 9 | |
| michael@0 | 10 | /* Create an object with a JavaScript setter. */ |
| michael@0 | 11 | var setterCount; |
| michael@0 | 12 | var o = { w:2, set x(v) { setterCount++; } }; |
| michael@0 | 13 | |
| michael@0 | 14 | /* |
| michael@0 | 15 | * Put the object in dictionary mode, so that JSObject::putProperty will |
| michael@0 | 16 | * mutate its shapes instead of creating new ones. |
| michael@0 | 17 | */ |
| michael@0 | 18 | delete o.w; |
| michael@0 | 19 | |
| michael@0 | 20 | /* |
| michael@0 | 21 | * Place a watchpoint on the property. The watchpoint structure holds the |
| michael@0 | 22 | * original JavaScript setter, and a pointer to the shape. |
| michael@0 | 23 | */ |
| michael@0 | 24 | o.watch('x', watcher); |
| michael@0 | 25 | |
| michael@0 | 26 | /* |
| michael@0 | 27 | * Replace the accessor property with a value property. The shape's setter |
| michael@0 | 28 | * should become a non-JS setter, js_watch_set, and the watchpoint |
| michael@0 | 29 | * structure's saved setter should be updated (in this case, cleared). |
| michael@0 | 30 | */ |
| michael@0 | 31 | Object.defineProperty(o, 'x', { value:3, |
| michael@0 | 32 | writable:true, |
| michael@0 | 33 | enumerable:true, |
| michael@0 | 34 | configurable:true }); |
| michael@0 | 35 | |
| michael@0 | 36 | /* |
| michael@0 | 37 | * Assign to the property. This should trigger js_watch_set, which should |
| michael@0 | 38 | * call the handler, and then see that there is no JS-level setter to pass |
| michael@0 | 39 | * control on to, and return. |
| michael@0 | 40 | */ |
| michael@0 | 41 | watcherCount = setterCount = 0; |
| michael@0 | 42 | o.x = 3; |
| michael@0 | 43 | assertEq(watcherCount, 1); |
| michael@0 | 44 | assertEq(setterCount, 0); |
| michael@0 | 45 | |
| michael@0 | 46 | reportCompare(true, true); |
