"use strict"; const PAGE_1 = "data:text/html,A%20regular,%20everyday,%20normal%20page."; const PAGE_2 = "data:text/html,Another%20regular,%20everyday,%20normal%20page."; add_task(async function () { // Load an empty, non-remote tab at about:blank... let tab = BrowserTestUtils.addTab(gBrowser, "about:blank", { forceNotRemote: true, }); gBrowser.selectedTab = tab; let browser = gBrowser.selectedBrowser; ok(!browser.isRemoteBrowser, "Ensure browser is not remote"); // Load a remote page, and then another remote page immediately // after. BrowserTestUtils.loadURIString(browser, PAGE_1); browser.stop(); BrowserTestUtils.loadURIString(browser, PAGE_2); await BrowserTestUtils.browserLoaded(browser, false, PAGE_2); ok(browser.isRemoteBrowser, "Should have switched remoteness"); await TabStateFlusher.flush(browser); let state = JSON.parse(ss.getTabState(tab)); let entries = state.entries; is(entries.length, 1, "There should only be one entry"); is(entries[0].url, PAGE_2, "Should have PAGE_2 as the sole history entry"); is( browser.currentURI.spec, PAGE_2, "Should have PAGE_2 as the browser currentURI" ); await SpecialPowers.spawn(browser, [PAGE_2], async function (expectedURL) { docShell.QueryInterface(Ci.nsIWebNavigation); Assert.equal( docShell.currentURI.spec, expectedURL, "Content should have PAGE_2 as the browser currentURI" ); }); BrowserTestUtils.removeTab(tab); });