| /* |
| * Any copyright is dedicated to the Public Domain. |
| * http://creativecommons.org/licenses/publicdomain/ |
| */ |
| |
| /* A stock watcher function. */ |
| var watcherCount; |
| function watcher(id, oldval, newval) { watcherCount++; return newval; } |
| |
| /* Create an object with a JavaScript setter. */ |
| var setterCount; |
| var o = { w:2, set x(v) { setterCount++; } }; |
| |
| /* |
| * Put the object in dictionary mode, so that JSObject::putProperty will |
| * mutate its shapes instead of creating new ones. |
| */ |
| delete o.w; |
| |
| /* |
| * Place a watchpoint on the property. The watchpoint structure holds the |
| * original JavaScript setter, and a pointer to the shape. |
| */ |
| o.watch('x', watcher); |
| |
| /* |
| * Replace the accessor property with a value property. The shape's setter |
| * should become a non-JS setter, js_watch_set, and the watchpoint |
| * structure's saved setter should be updated (in this case, cleared). |
| */ |
| Object.defineProperty(o, 'x', { value:3, |
| writable:true, |
| enumerable:true, |
| configurable:true }); |
| |
| /* |
| * Assign to the property. This should trigger js_watch_set, which should |
| * call the handler, and then see that there is no JS-level setter to pass |
| * control on to, and return. |
| */ |
| watcherCount = setterCount = 0; |
| o.x = 3; |
| assertEq(watcherCount, 1); |
| assertEq(setterCount, 0); |
| |
| reportCompare(true, true); |