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const Cu = Components.utils;
function checkThrows(f, rgxp) { try { f(); do_check_false(); } catch (e) { do_check_true(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; do_check_eq(waived.foo, 12); }
function touchBar() { "use strict"; waived.bar.tick = 'tack'; do_check_eq(waived.bar.tick, 'tack'); }
function addProp() { "use strict"; waived.newProp = 100; do_check_eq(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');
do_check_eq(desc.writable, !frozen);
do_check_eq(desc.configurable, !frozen);
desc = Object.getOwnPropertyDescriptor(waived.bar, 'tick');
do_check_eq(desc.writable, !frozen);
do_check_eq(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);
}
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