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Test Info:
- Manifest: docshell/test/browser/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
add_task(async function test_beforeUnload_and_replaceState() {
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: "data:text/html,<script>window.addEventListener('beforeunload', () => { window.history.replaceState(true, ''); });</script>",
},
async function (browser) {
let initialState = await SpecialPowers.spawn(browser, [], () => {
return content.history.state;
});
is(initialState, null, "history.state should be initially null.");
let awaitPageShow = BrowserTestUtils.waitForContentEvent(
browser,
"pageshow"
);
BrowserCommands.reload();
await awaitPageShow;
let updatedState = await SpecialPowers.spawn(browser, [], () => {
return content.history.state;
});
is(updatedState, true, "history.state should have been updated.");
}
);
});