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:   let newTabs = []
michael@0:   // add enough tabs so the close buttons are hidden and then check the closebuttons attribute
michael@0:   do {
michael@0:     let newTab = gBrowser.addTab("about:blank", {skipAnimation: true});
michael@0:     newTabs.push(newTab);
michael@0:   } while (gBrowser.visibleTabs[0].getBoundingClientRect().width > gBrowser.tabContainer.mTabClipWidth)
michael@0: 
michael@0:   // a setTimeout() in addTab is used to trigger adjustTabstrip() so we need a delay here as well.
michael@0:   executeSoon(function() {
michael@0:     is(gBrowser.tabContainer.getAttribute("closebuttons"), "activetab", "Only show button on selected tab.");
michael@0: 
michael@0:     // move a tab to another group and check the closebuttons attribute
michael@0:     TabView._initFrame(function() {
michael@0:       TabView.moveTabTo(newTabs[newTabs.length - 1], null);
michael@0:       ok(gBrowser.visibleTabs[0].getBoundingClientRect().width > gBrowser.tabContainer.mTabClipWidth, 
michael@0:          "Tab width is bigger than tab clip width");
michael@0:       is(gBrowser.tabContainer.getAttribute("closebuttons"), "", "Show button on all tabs.")
michael@0: 
michael@0:       // clean up and finish
michael@0:       newTabs.forEach(function(tab) {
michael@0:         gBrowser.removeTab(tab);
michael@0:       });
michael@0:       finish();
michael@0:     });
michael@0:   });
michael@0: }