michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: let tabState = {
michael@0:   entries: [{url: "about:robots", children: [{url: "about:mozilla"}]}]
michael@0: };
michael@0: 
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0:   requestLongerTimeout(2);
michael@0: 
michael@0:   Services.prefs.setIntPref("browser.sessionstore.interval", 4000);
michael@0:   registerCleanupFunction(function () {
michael@0:     Services.prefs.clearUserPref("browser.sessionstore.interval");
michael@0:   });
michael@0: 
michael@0:   let tab = gBrowser.addTab("about:blank");
michael@0: 
michael@0:   let browser = tab.linkedBrowser;
michael@0: 
michael@0:   waitForTabState(tab, tabState, function() {
michael@0: 
michael@0:     let sessionHistory = browser.sessionHistory;
michael@0:     let entry = sessionHistory.getEntryAtIndex(0, false);
michael@0:     entry.QueryInterface(Ci.nsISHContainer);
michael@0: 
michael@0:     whenChildCount(entry, 1, function () {
michael@0:       whenChildCount(entry, 2, function () {
michael@0:         whenBrowserLoaded(browser, function () {
michael@0:           let sessionHistory = browser.sessionHistory;
michael@0:           let entry = sessionHistory.getEntryAtIndex(0, false);
michael@0: 
michael@0:           whenChildCount(entry, 0, function () {
michael@0:             // Make sure that we reset the state.
michael@0:             let blankState = { windows: [{ tabs: [{ entries: [{ url: "about:blank" }] }]}]};
michael@0:             waitForBrowserState(blankState, finish);
michael@0:           });
michael@0:         });
michael@0: 
michael@0:         // reload the browser to deprecate the subframes
michael@0:         browser.reload();
michael@0:       });
michael@0: 
michael@0:       // create a dynamic subframe
michael@0:       let doc = browser.contentDocument;
michael@0:       let iframe = doc.createElement("iframe");
michael@0:       doc.body.appendChild(iframe);
michael@0:       iframe.setAttribute("src", "about:mozilla");
michael@0:     });
michael@0:   });
michael@0: }
michael@0: 
michael@0: function whenChildCount(aEntry, aChildCount, aCallback) {
michael@0:   if (aEntry.childCount == aChildCount)
michael@0:     aCallback();
michael@0:   else
michael@0:     setTimeout(function () whenChildCount(aEntry, aChildCount, aCallback), 100);
michael@0: }