michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   newWindowWithTabView(function (win) {
michael@0:     registerCleanupFunction(function () win.close());
michael@0: 
michael@0:     let cw = win.TabView.getContentWindow();
michael@0:     let groupItem = cw.GroupItems.groupItems[0];
michael@0: 
michael@0:     // create some tabs with favIcons
michael@0:     for (let i = 0; i < 3; i++)
michael@0:       win.gBrowser.loadOneTab("http://mochi.test:8888/browser/browser/components/tabview/test/test_bug644097.html", {inBackground: true});
michael@0: 
michael@0:     win.gBrowser.removeTab(win.gBrowser.tabs[0]);
michael@0: 
michael@0:     // shrink the group until it stacks
michael@0:     let size = 400;
michael@0:     while (!groupItem.isStacked() && --size)
michael@0:       groupItem.setSize(size, size, true);
michael@0: 
michael@0:     // determine the tabItem at the top of the stack
michael@0:     let tabItem;
michael@0:     groupItem.getChildren().forEach(function (item) {
michael@0:       if (groupItem.isTopOfStack(item))
michael@0:         tabItem = item;
michael@0:     });
michael@0: 
michael@0:     ok(tabItem, "we found the tabItem at the top of the stack");
michael@0: 
michael@0:     let fav = tabItem.$fav;
michael@0:     is(fav.css("display"), "block", "the favIcon is visible");
michael@0:     is(fav.css("left"), "0px", "the favIcon is at the left-most position");
michael@0:     is(fav.css("top"), "0px", "the favIcon is at the top-most position");
michael@0: 
michael@0:     finish();
michael@0:   });
michael@0: }