| <!DOCTYPE html> |
| <!-- |
| Copyright 2015 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <link rel="import" href="/tracing/ui/analysis/stacked_pane.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.b.unittest.testSuite(function() { |
| test('rebuild', function() { |
| var pane = document.createElement('tr-ui-a-stacked-pane'); |
| var didFireBuildPane; |
| pane.rebuildPane_ = function() { |
| didFireBuildPane = true; |
| }; |
| |
| function checkRebuild(expectedDidFireBuildPane) { |
| didFireBuildPane = false; |
| pane.rebuild(); |
| assert.strictEqual(didFireBuildPane, expectedDidFireBuildPane); |
| } |
| |
| // No rebuilds should occur when not scheduled. |
| checkRebuild(false); |
| checkRebuild(false); |
| |
| // Single rebuild should occur when scheduled once. |
| pane.scheduleRebuildPane_(); |
| checkRebuild(true); |
| checkRebuild(false); |
| |
| // Only a single rebuild should occur even when scheduled multiple times. |
| pane.scheduleRebuildPane_(); |
| pane.scheduleRebuildPane_(); |
| checkRebuild(true); |
| checkRebuild(false); |
| }); |
| |
| test('changeChildPane', function() { |
| var pane = document.createElement('tr-ui-a-stacked-pane'); |
| var didFireEvent; |
| pane.addEventListener('request-child-pane-change', function() { |
| didFireEvent = true; |
| }); |
| |
| didFireEvent = false; |
| pane.childPaneBuilder = undefined; |
| assert.isTrue(didFireEvent); |
| |
| didFireEvent = false; |
| pane.childPaneBuilder = function() { |
| return undefined; |
| }; |
| assert.isTrue(didFireEvent); |
| |
| didFireEvent = false; |
| pane.childPaneBuilder = function() { |
| return document.createElement('tr-ui-a-stacked-pane'); |
| }; |
| assert.isTrue(didFireEvent); |
| }); |
| }); |
| </script> |
