The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/browser/components/tabview/test/browser_tabview_bug648882.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,33 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 +   http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +function test() {
     1.8 +  waitForExplicitFinish();
     1.9 +
    1.10 +  newWindowWithTabView(function (win) {
    1.11 +    registerCleanupFunction(function () win.close());
    1.12 +
    1.13 +    let cw = win.TabView.getContentWindow();
    1.14 +    let tab = win.gBrowser.tabs[0];
    1.15 +    let tabItem = tab._tabViewTabItem;
    1.16 +    let isIdle = false;
    1.17 +
    1.18 +    // We replace UI.isIdle() here to not rely on setTimeout(). While this
    1.19 +    // function returns false (busy) we expect no tabItem updates to happen.
    1.20 +    let busyCount = 5;
    1.21 +    cw.UI.isIdle = function () {
    1.22 +      return isIdle = (0 > --busyCount);
    1.23 +    };
    1.24 +
    1.25 +    cw.TabItems.pausePainting();
    1.26 +
    1.27 +    tabItem.addSubscriber("updated", function onUpdated() {
    1.28 +      tabItem.removeSubscriber("updated", onUpdated);
    1.29 +      ok(isIdle, "tabItem is updated only when UI is idle");
    1.30 +      finish();
    1.31 +    });
    1.32 +
    1.33 +    cw.TabItems.update(tab);
    1.34 +    cw.TabItems.resumePainting();
    1.35 +  });
    1.36 +}