src/third_party/trace-viewer/trace_viewer/tracing/timeline_viewport_test.html

   1 <!DOCTYPE html>
   2 <!--
   3 Copyright (c) 2013 The Chromium Authors. All rights reserved.
   4 Use of this source code is governed by a BSD-style license that can be
   5 found in the LICENSE file.
   6 -->
   7
   8 <link rel="import" href="/tracing/timeline_viewport.html">
   9
  10 <script>
  11 'use strict';
  12
  13 tv.unittest.testSuite(function() {
  14   test('memoization', function() {
  15
  16     var vp = new tracing.TimelineViewport(document.createElement('div'));
  17
  18     var slice = { guid: 1 };
  19
  20     vp.modelTrackContainer = {
  21       addEventsToTrackMap: function(eventToTrackMap) {
  22         eventToTrackMap.addEvent(slice, 'track');
  23       },
  24       addEventListener: function() {}
  25     };
  26
  27     assertUndefined(vp.trackForEvent(slice));
  28     vp.rebuildEventToTrackMap();
  29
  30     assertEquals('track', vp.trackForEvent(slice));
  31   });
  32 });
  33 </script>
  34