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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/browsers/browsing-the-web/unloading-documents/unload/unload-main-frame-cross-origin.window.html - WPT Dashboard Interop Dashboard
// META: title=Unload runs in main frame when navigating cross-origin.
// 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
promise_test(async t => {
const rcHelper = new RemoteContextHelper();
const rc1 = await rcHelper.addWindow();
t.add_cleanup(() => localStorage.removeItem('unload'));
// Initialize storage and add "unload" event handler.
await rc1.executeScript(() => {
localStorage.setItem('unload', 'not yet');
addEventListener('unload', () => {
localStorage.setItem('unload', 'ran');
});
});
// Navigate away.
const rc2 = await rc1.navigateToNew(
{extraRemoteContextConfig: {origin: 'HTTP_REMOTE_ORIGIN'}});
// Navigate back.
await rc2.historyBack();
// Test that the unload handler wrote to storage.
// Running it in the remote context after going back should ensure that the
// navigation (and therefore the unload handler) has completed.
assert_equals(
await rc1.executeScript(() => localStorage.getItem('unload')), 'ran');
});