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