forked from mirrors/gecko-dev
49 lines
1.7 KiB
JavaScript
49 lines
1.7 KiB
JavaScript
"use strict";
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const URL = "http://example.com/browser_switch_remoteness_";
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function countHistoryEntries(browser, expected) {
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return ContentTask.spawn(browser, { expected }, async function(args) {
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let Ci = Components.interfaces;
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let webNavigation = docShell.QueryInterface(Ci.nsIWebNavigation);
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let history = webNavigation.sessionHistory.QueryInterface(Ci.nsISHistoryInternal);
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Assert.equal(history && history.count, args.expected,
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"correct number of shistory entries");
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});
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}
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add_task(async function() {
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// Open a new window.
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let win = await promiseNewWindowLoaded();
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// Add a new tab.
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let tab = win.gBrowser.addTab("about:blank");
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let browser = tab.linkedBrowser;
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await promiseBrowserLoaded(browser);
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ok(browser.isRemoteBrowser, "browser is remote");
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// Get the maximum number of preceding entries to save.
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const MAX_BACK = Services.prefs.getIntPref("browser.sessionstore.max_serialize_back");
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ok(MAX_BACK > -1, "check that the default has a value that caps data");
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// Load more pages than we would save to disk on a clean shutdown.
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for (let i = 0; i < MAX_BACK + 2; i++) {
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browser.loadURI(URL + i);
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await promiseBrowserLoaded(browser);
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ok(browser.isRemoteBrowser, "browser is still remote");
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}
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// Check we have the right number of shistory entries.
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await countHistoryEntries(browser, MAX_BACK + 2);
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// Load a non-remote page.
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browser.loadURI("about:robots");
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await promiseTabRestored(tab);
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ok(!browser.isRemoteBrowser, "browser is not remote anymore");
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// Check that we didn't lose any shistory entries.
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await countHistoryEntries(browser, MAX_BACK + 3);
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// Cleanup.
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await BrowserTestUtils.closeWindow(win);
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});
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