31 lines
1.2 KiB
JavaScript
31 lines
1.2 KiB
JavaScript
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);
|
|
}
|