Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- Manifest: docshell/test/browser/browser.toml
const TEST_PATH = getRootDirectory(gTestPath).replace(
);
add_task(async function restore_bfcache_after_auxiliary() {
await BrowserTestUtils.withNewTab(
TEST_PATH + "dummy_page.html",
async browser => {
let initialBC = browser.browsingContext;
// Mark the initial dummy page as having the dynamic state from the bfcache by replacing the body.
await SpecialPowers.spawn(browser, [], () => {
content.document.body.innerHTML = "bfcached";
});
BrowserTestUtils.startLoadingURIString(
browser,
TEST_PATH + "file_open_about_blank.html"
);
await BrowserTestUtils.browserLoaded(browser);
let openerBC = browser.browsingContext;
isnot(
initialBC,
openerBC,
"should have put the previous document into the bfcache"
);
// Check that the document is currently BFCached
info("going back for bfcache smoke test");
browser.goBack();
await BrowserTestUtils.waitForContentEvent(browser, "pageshow");
let restoredInnerHTML = await SpecialPowers.spawn(
browser,
[],
() => content.document.body.innerHTML
);
is(restoredInnerHTML, "bfcached", "page was restored from bfcache");
is(
initialBC,
browser.browsingContext,
"returned to previous browsingcontext"
);
// Go back forward, and open a pop-up.
info("restoring after bfcache smoke test");
browser.goForward();
await BrowserTestUtils.waitForContentEvent(browser, "pageshow");
is(
openerBC,
browser.browsingContext,
"returned to opener browsingContext"
);
info("opening a popup");
let waitForPopup = BrowserTestUtils.waitForNewTab(gBrowser);
await SpecialPowers.spawn(browser, [], () => {
content.eval(`window.open("dummy_page.html", "popup");`);
// content.document.querySelector("#open").click()
});
let popup = await waitForPopup;
info("got the popup");
let popupBC = popup.linkedBrowser.browsingContext;
is(popupBC.opener, openerBC, "opener is openerBC");
// Now that the pop-up is opened, try to go back again.
info("trying to go back with a popup");
browser.goBack();
await BrowserTestUtils.waitForContentEvent(browser, "pageshow");
let nonRestoredInnerHTML = await SpecialPowers.spawn(
browser,
[],
() => content.document.body.innerHTML
);
isnot(
nonRestoredInnerHTML,
"bfcached",
"page was not restored from bfcache"
);
is(openerBC, browser.browsingContext, "returned to the new bc");
await BrowserTestUtils.removeTab(popup);
}
);
});