frame-removal.html

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This test has a WPT meta file that expects 6 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /close-watcher/frame-removal.html - WPT Dashboard Interop Dashboard

<!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.requestClose();

}, "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.requestClose();

}, "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.close();

}, "detaching the iframe then calling close()");

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.requestClose();

}, "detaching the iframe then calling requestClose()");

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>