gecko-dev/dom/promise/tests/file_promise_xrays.html

31 строка
956 B
HTML

<!DOCTYPE html>
<html>
<script>
function vendGetter(name) {
return function() { throw "Getting " + String(name) };
}
function vendSetter(name) {
return function() { throw "Setting " + String(name) };
}
var setupThrew = false;
try {
// Neuter everything we can think of on Promise.
for (var obj of [Promise, Promise.prototype]) {
propNames = Object.getOwnPropertyNames(obj);
propNames = propNames.concat(Object.getOwnPropertySymbols(obj));
for (var propName of propNames) {
if (propName == "prototype" && obj == Promise) {
// It's not configurable
continue;
}
Object.defineProperty(obj, propName,
{ get: vendGetter(propName), set: vendSetter(propName) });
}
}
} catch (e) {
// Something went wrong. Save that info so the test can check for it.
setupThrew = e;
}
</script>
</html>