src/third_party/trace-viewer/trace_viewer/tracing/timing_tool_test.js

   1 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 'use strict';
   6
   7 tvcm.require('tracing.timing_tool');
   8
   9 tvcm.unittest.testSuite('tracing.timing_tool_test', function() {
  10   function create100PxWideViewportInto10WideWorld() {
  11     var vp = new tracing.TimelineViewport(document.createElement('div'));
  12     var tempDisplayTransform = new tracing.TimelineDisplayTransform();
  13     tempDisplayTransform.xSetWorldBounds(0, 10, 100);
  14     vp.setDisplayTransformImmediately(tempDisplayTransform);
  15
  16     assertEquals(0, vp.currentDisplayTransform.xViewToWorld(0));
  17     assertEquals(10, vp.currentDisplayTransform.xViewToWorld(100));
  18
  19     return vp;
  20   }
  21
  22   test('dragLeftInterestRegion', function() {
  23     var vp = create100PxWideViewportInto10WideWorld();
  24     vp.interestRange.min = 1;
  25     vp.interestRange.max = 9;
  26     var tool = new tracing.TimingTool(vp);
  27
  28     tool.mouseDownAt_(1.1, 0);
  29     assertTrue(vp.interestRange.leftSelected);
  30     tool.mouseMoveAt_(1.5, 0, true);
  31     assertEquals(1.5, vp.interestRange.min);
  32     tool.mouseUp_();
  33     assertEquals(1.5, vp.interestRange.min);
  34     assertFalse(vp.interestRange.leftSelected);
  35   });
  36
  37   test('dragRightInterestRegion', function() {
  38     var vp = create100PxWideViewportInto10WideWorld();
  39     vp.interestRange.min = 1;
  40     vp.interestRange.max = 9;
  41     var tool = new tracing.TimingTool(vp);
  42
  43     tool.mouseDownAt_(9.1, 0);
  44     assertTrue(vp.interestRange.rightSelected);
  45     tool.mouseMoveAt_(8, 0, true);
  46     assertEquals(8, vp.interestRange.max);
  47     tool.mouseUp_();
  48     assertEquals(8, vp.interestRange.max);
  49     assertFalse(vp.interestRange.leftSelected);
  50   });
  51
  52   test('dragInNewSpace', function() {
  53     var vp = create100PxWideViewportInto10WideWorld();
  54     vp.interestRange.min = 1;
  55     vp.interestRange.max = 9;
  56     var tool = new tracing.TimingTool(vp);
  57
  58     tool.mouseDownAt_(5, 0);
  59     assertTrue(vp.interestRange.rightSelected);
  60     assertEquals(5, vp.interestRange.min);
  61     assertEquals(5, vp.interestRange.max);
  62     tool.mouseMoveAt_(4, 0, true);
  63     assertEquals(4, vp.interestRange.min);
  64     assertEquals(5, vp.interestRange.max);
  65     assertTrue(vp.interestRange.leftSelected);
  66     tool.mouseUp_();
  67     assertEquals(4, vp.interestRange.min);
  68     assertFalse(vp.interestRange.leftSelected);
  69     assertFalse(vp.interestRange.rightSelected);
  70   });
  71 });