gecko-dev/docshell/test/browser/browser_grouped_shistory_bf...

60 строки
2.3 KiB
JavaScript

add_task(async function() {
await SpecialPowers.pushPrefEnv({
set: [["browser.groupedhistory.enabled", true]]
});
// Wait for a process change and then fulfil the promise.
function awaitProcessChange(browser) {
return new Promise(resolve => {
browser.addEventListener("BrowserChangedProcess", function(e) {
ok(true, "The browser changed process!");
resolve();
}, {once: true});
});
}
function isAlive(tab) {
return tab.linkedBrowser &&
tab.linkedBrowser.frameLoader &&
!tab.linkedBrowser.frameLoader.isDead;
}
await BrowserTestUtils.withNewTab({ gBrowser, url: "data:text/html,a" }, async function(browser1) {
// Set up the grouped SHEntry setup
let tab2 = gBrowser.loadOneTab("data:text/html,b", {
referrerPolicy: Ci.nsIHttpChannel.REFERRER_POLICY_UNSET,
allowThirdPartyFixup: true,
relatedToCurrent: true,
isPrerendered: true,
triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(),
});
await BrowserTestUtils.browserLoaded(tab2.linkedBrowser);
browser1.frameLoader.appendPartialSHistoryAndSwap(tab2.linkedBrowser.frameLoader);
await awaitProcessChange(browser1);
ok(isAlive(tab2));
// Load some URIs and make sure that we lose the old process once we are 3 history entries away.
browser1.loadURI("data:text/html,c", null, null);
await BrowserTestUtils.browserLoaded(browser1);
ok(isAlive(tab2), "frameloader should still be alive");
browser1.loadURI("data:text/html,d", null, null);
await BrowserTestUtils.browserLoaded(browser1);
ok(isAlive(tab2), "frameloader should still be alive");
browser1.loadURI("data:text/html,e", null, null);
await BrowserTestUtils.browserLoaded(browser1);
ok(isAlive(tab2), "frameloader should still be alive");
// The 4th navigation should kill the frameloader
browser1.loadURI("data:text/html,f", null, null);
await new Promise(resolve => {
tab2.addEventListener("TabClose", function() {
ok(true, "The tab is being closed!\n");
resolve();
}, {once: true});
});
// We don't check for !isAlive() as TabClose is called during
// _beginRemoveTab, which means that the frameloader may not be dead yet. We
// avoid races by not checking.
});
});