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48 lines
1.6 KiB
JavaScript
48 lines
1.6 KiB
JavaScript
"use strict";
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const URL = "http://example.com/browser_switch_remoteness_";
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function countHistoryEntries(browser) {
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return ContentTask.spawn(browser, null, function* () {
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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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return history && history.count;
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});
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}
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add_task(function* () {
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// Add a new tab.
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let tab = gBrowser.addTab("about:blank");
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let browser = tab.linkedBrowser;
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yield 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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yield 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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let count = yield countHistoryEntries(browser);
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is(count, MAX_BACK + 2, "correct number of shistory entries");
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// Load a non-remote page.
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browser.loadURI("about:robots");
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yield 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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count = yield countHistoryEntries(browser);
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is(count, MAX_BACK + 3, "correct number of shistory entries");
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// Cleanup.
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gBrowser.removeTab(tab);
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});
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