document-destroyed.tentative.window.js

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webmessaging/message-channels/close-event/document-destroyed.tentative.window.html - WPT Dashboard Interop Dashboard

// META: title=Close event test when the document is destroyed.

// META: script=/common/dispatcher/dispatcher.js

// META: script=/common/get-host-info.sub.js

// META: script=/common/utils.js

// META: script=/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js

// META: script=resources/helper.js

promise_test(async t => {

  const rc = await addWindow();

  const waitForPort = expectMessagePortFromWindow(window);

  await createMessageChannelAndSendPort(rc);

  const closeEventPromise = createCloseEventPromise(await waitForPort);

  rc.navigateToNew();

  await closeEventPromise;

}, 'The context is navigated to a new document and a close event is fired.')

promise_test(async t => {

  const rc = await addWindow();

  const waitForPort = expectMessagePortFromWindow(window);

  await createMessageChannelAndSendPort(rc);

  const closeEventPromise = createCloseEventPromise(await waitForPort);

  rc.executeScript(() => window.close());

  await closeEventPromise;

}, 'The window is closed and a close event is fired.')

promise_test(async t => {

  let iframe;

  const waitForLoad = new Promise(resolve => {

    iframe = document.createElement('iframe');

    iframe.onload = resolve;

    document.documentElement.appendChild(iframe);

});

  await waitForLoad;

  const waitForPort = expectMessagePortFromWindow(iframe.contentWindow);

  const {port1, port2} = new MessageChannel();

  port1.start();

  iframe.contentWindow.postMessage('', '*', [port2]);

  await waitForPort;

  const closeEventPromise = createCloseEventPromise(port1);

  iframe.remove();

  await closeEventPromise;

}, 'The iframe is deleted and a close event is fired.')