1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
function checkThrows(f, rgxp) { try { f(); do_check_false(); } catch (e) { Assert.ok(rgxp.test(e)); } }
var o = { foo: 42, bar : { tick: 'tock' } };
function checkClone(clone, frozen) {
var waived = Cu.waiveXrays(clone);
function touchFoo() { "use strict"; waived.foo = 12; Assert.equal(waived.foo, 12); }
function touchBar() { "use strict"; waived.bar.tick = 'tack'; Assert.equal(waived.bar.tick, 'tack'); }
function addProp() { "use strict"; waived.newProp = 100; Assert.equal(waived.newProp, 100); }
if (!frozen) {
touchFoo();
touchBar();
addProp();
} else {
checkThrows(touchFoo, /read-only/);
checkThrows(touchBar, /read-only/);
checkThrows(addProp, /extensible/);
}
var desc = Object.getOwnPropertyDescriptor(waived, 'foo');
Assert.equal(desc.writable, !frozen);
Assert.equal(desc.configurable, !frozen);
desc = Object.getOwnPropertyDescriptor(waived.bar, 'tick');
Assert.equal(desc.writable, !frozen);
Assert.equal(desc.configurable, !frozen);
}
function run_test() {
var sb = new Cu.Sandbox(null);
checkClone(Cu.waiveXrays(Cu.cloneInto(o, sb)), false);
checkClone(Cu.cloneInto(o, sb, { deepFreeze: true }), true);
}
|