The Tor Browser: browser/components/sessionstore/test/browser_500328.js@b8a032363ba2 (annotated)

browser/components/sessionstore/test/browser_500328.js@b8a032363ba2 (annotated)

browser/components/sessionstore/test/browser_500328.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 function checkState(tab) {
   // Go back and then forward, and make sure that the state objects received
   // from the popState event are as we expect them to be.
   //
   // We also add a node to the document's body when after going back and make
   // sure it's still there after we go forward -- this is to test that the two
   // history entries correspond to the same document.
   let popStateCount = 0;
   tab.linkedBrowser.addEventListener('popstate', function(aEvent) {
     let contentWindow = tab.linkedBrowser.contentWindow;
     if (popStateCount == 0) {
       popStateCount++;
       is(tab.linkedBrowser.contentWindow.testState, 'foo',
          'testState after going back');
       ok(aEvent.state, "Event should have a state property.");
       is(JSON.stringify(tab.linkedBrowser.contentWindow.history.state), JSON.stringify({obj1:1}),
          "first popstate object.");
       // Add a node with id "new-elem" to the document.
       let doc = contentWindow.document;
       ok(!doc.getElementById("new-elem"),
          "doc shouldn't contain new-elem before we add it.");
       let elem = doc.createElement("div");
       elem.id = "new-elem";
       doc.body.appendChild(elem);
       contentWindow.history.forward();
     }
     else if (popStateCount == 1) {
       popStateCount++;
       is(aEvent.state.obj3.toString(), '/^a$/', "second popstate object.");
       // Make sure that the new-elem node is present in the document.  If it's
       // not, then this history entry has a different doc identifier than the
       // previous entry, which is bad.
       let doc = contentWindow.document;
       let newElem = doc.getElementById("new-elem");
       ok(newElem, "doc should contain new-elem.");
       newElem.parentNode.removeChild(newElem);
       ok(!doc.getElementById("new-elem"), "new-elem should be removed.");
       // Clean up after ourselves and finish the test.
       tab.linkedBrowser.removeEventListener("popstate", arguments.callee, true);
       gBrowser.removeTab(tab);
       finish();
     }
   }, true);
   // Set some state in the page's window.  When we go back(), the page should
   // be retrieved from bfcache, and this state should still be there.
   tab.linkedBrowser.contentWindow.testState = 'foo';
   // Now go back.  This should trigger the popstate event handler above.
   tab.linkedBrowser.contentWindow.history.back();
 }
 function test() {
   // Tests session restore functionality of history.pushState and
   // history.replaceState().  (Bug 500328)
   waitForExplicitFinish();
   // We open a new blank window, let it load, and then load in
   // http://example.com.  We need to load the blank window first, otherwise the
   // docshell gets confused and doesn't have a current history entry.
   let tab = gBrowser.addTab("about:blank");
   let browser = tab.linkedBrowser;
   whenBrowserLoaded(browser, function() {
     browser.loadURI("http://example.com", null, null);
     whenBrowserLoaded(browser, function() {
       // After these push/replaceState calls, the window should have three
       // history entries:
       //   testURL        (state object: null)          <-- oldest
       //   testURL        (state object: {obj1:1})
       //   testURL?page2  (state object: {obj3:/^a$/})  <-- newest
       let contentWindow = tab.linkedBrowser.contentWindow;
       let history = contentWindow.history;
       history.pushState({obj1:1}, "title-obj1");
       history.pushState({obj2:2}, "title-obj2", "?page2");
       history.replaceState({obj3:/^a$/}, "title-obj3");
       SyncHandlers.get(tab.linkedBrowser).flush();
       let state = ss.getTabState(tab);
       gBrowser.removeTab(tab);
       // Restore the state into a new tab.  Things don't work well when we
       // restore into the old tab, but that's not a real use case anyway.
       let tab2 = gBrowser.addTab("about:blank");
       ss.setTabState(tab2, state, true);
       // Run checkState() once the tab finishes loading its restored state.
       whenTabRestored(tab2, function() {
         SimpleTest.executeSoon(function() {
           checkState(tab2);
         });
       });
     });
   });
 }