src/third_party/trace-viewer/trace_viewer/cc/layer_tree_quad_stack_view_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="/cc.html">
   9 <link rel="import" href="/cc/layer_tree_quad_stack_view.html">
  10 <link rel="import" href="/tracing/importer/trace_event_importer.html">
  11 <link rel="import" href="/tracing/trace_model.html">
  12 <script src="/cc/layer_tree_host_impl_test_data.js"></script>
  13
  14 <script>
  15 'use strict';
  16
  17 tv.unittest.testSuite(function() {
  18   test('tileCoverageRectCount', function() {
  19     var m = new tracing.TraceModel(g_catLTHIEvents);
  20     var p = m.processes[1];
  21
  22     var instance = p.objects.getAllInstancesNamed('cc::LayerTreeHostImpl')[0];
  23     var lthi = instance.snapshots[0];
  24     var numLayers = lthi.activeTree.renderSurfaceLayerList.length;
  25     var layer = lthi.activeTree.renderSurfaceLayerList[numLayers - 1];
  26
  27     var view = new cc.LayerTreeQuadStackView();
  28     view.layerTreeImpl = lthi.activeTree;
  29     view.selection = new cc.LayerSelection(layer);
  30     view.howToShowTiles = 'none';
  31     view.showInvalidations = false;
  32     view.showContents = false;
  33     view.showOtherLAyers = false;
  34
  35     // There should be some quads drawn with all "show" checkboxes off,
  36     // but that number can change with new features added.
  37     var aQuads = view.generateLayerQuads();
  38     view.howToShowTiles = 'coverage';
  39     var bQuads = view.generateLayerQuads();
  40     var numCoverageRects = bQuads.length - aQuads.length;
  41
  42     // We know we have 5 coverage rects in lthi cats.
  43     assertEquals(5, numCoverageRects);
  44   });
  45 });
  46 </script>