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// 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.')
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