The Tor Browser: browser/base/content/test/general/browser

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 var tab;

     3 function test() {

     4   waitForExplicitFinish();

     6   tab = gBrowser.addTab();

     7   isnot(tab.getAttribute("fadein"), "true", "newly opened tab is yet to fade in");

     9   // Try to remove the tab right before the opening animation's first frame

    10   window.mozRequestAnimationFrame(checkAnimationState);

    11 }

    13 function checkAnimationState() {

    14   is(tab.getAttribute("fadein"), "true", "tab opening animation initiated");

    16   info(window.getComputedStyle(tab).maxWidth);

    17   gBrowser.removeTab(tab, { animate: true });

    18   if (!tab.parentNode) {

    19     ok(true, "tab removed synchronously since the opening animation hasn't moved yet");

    20     finish();

    21     return;

    22   }

    24   info("tab didn't close immediately, so the tab opening animation must have started moving");

    25   info("waiting for the tab to close asynchronously");

    26   tab.addEventListener("transitionend", function (event) {

    27     if (event.propertyName == "max-width") {

    28       tab.removeEventListener("transitionend", arguments.callee, false);

    29       executeSoon(function () {

    30         ok(!tab.parentNode, "tab removed asynchronously");

    31         finish();

    32       });

    33     }

    34   }, false);

    35 }

The Tor Browser / file revision