| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <body> |
| <script> |
| promise_test(async (t) => { |
| const i = await setupIframe(); |
| const watcher = new i.contentWindow.CloseWatcher(); |
| watcher.oncancel = () => i.remove(); |
| watcher.onclose = () => t.unreached_func("close event must not fire"); |
| |
| watcher.signalClosed(); |
| }, "detaching the iframe during the cancel event"); |
| |
| promise_test(async (t) => { |
| const i = await setupIframe(); |
| const watcher = new i.contentWindow.CloseWatcher(); |
| watcher.onclose = () => i.remove(); |
| |
| watcher.signalClosed(); |
| }, "detaching the iframe during the close event"); |
| |
| promise_test(async (t) => { |
| const i = await setupIframe(); |
| const watcher = new i.contentWindow.CloseWatcher(); |
| i.remove(); |
| |
| watcher.destroy(); |
| }, "detaching the iframe then calling destroy()"); |
| |
| promise_test(async (t) => { |
| const i = await setupIframe(); |
| const watcher = new i.contentWindow.CloseWatcher(); |
| watcher.oncancel = () => t.unreached_func("cancel event must not fire"); |
| watcher.onclose = () => t.unreached_func("close event must not fire"); |
| i.remove(); |
| |
| watcher.signalClosed(); |
| }, "detaching the iframe then calling signalClose()"); |
| |
| promise_test(async (t) => { |
| const i = await setupIframe(); |
| const iCloseWatcher = i.contentWindow.CloseWatcher; |
| const iDOMException = i.contentWindow.DOMException; |
| i.remove(); |
| |
| assert_throws_dom("InvalidStateError", iDOMException, () => new iCloseWatcher()); |
| }, "detaching the iframe then constructing a CloseWatcher"); |
| |
| function setupIframe() { |
| return new Promise(resolve => { |
| const i = document.createElement("iframe"); |
| i.onload = () => resolve(i); |
| i.src = "/common/blank.html"; |
| document.body.append(i); |
| }); |
| } |
| </script> |
