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 compareCanvasSize = function (prefix, width, height, tabItem) {
michael@0:     let canvas = tabItem.$canvas[0];
michael@0:     is(canvas.width, width, prefix + ": canvas widths are equal (" + width + "px)");
michael@0:     is(canvas.height, height, prefix + ": canvas heights are equal (" + height + "px)");
michael@0:   };
michael@0: 
michael@0:   newWindowWithTabView(function (win) {
michael@0:     registerCleanupFunction(function () win.close());
michael@0: 
michael@0:     let cw = win.TabView.getContentWindow();
michael@0:     let groupItem = cw.GroupItems.groupItems[0];
michael@0:     let tabItem = groupItem.getChild(0);
michael@0: 
michael@0:     afterAllTabItemsUpdated(function () {
michael@0:       let {width, height} = tabItem.$canvas[0];
michael@0: 
michael@0:       hideGroupItem(groupItem, function () {
michael@0:         compareCanvasSize("hidden", width, height, tabItem);
michael@0: 
michael@0:         unhideGroupItem(groupItem, function () {
michael@0:           compareCanvasSize("unhidden", width, height, tabItem);
michael@0:           finish();
michael@0:         });
michael@0:       });
michael@0:     }, win);
michael@0:   });
michael@0: }