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