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1// Copyright (c) 2012 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/**
8 * @fileoverview Helper functions for use in tracing tests.
9 */
10'use strict';
11
12base.require('tracing.trace_model.counter');
13base.require('tracing.trace_model.slice');
14base.require('tracing.trace_model.slice_group');
15
16base.exportTo('tracing.test_utils', function() {
17  function newAsyncSlice(start, duration, startThread, endThread) {
18    return newAsyncSliceNamed('a', start, duration, startThread, endThread);
19  }
20
21  function newAsyncSliceNamed(name, start, duration, startThread, endThread) {
22    var s = new tracing.trace_model.AsyncSlice('', name, 0, start);
23    s.duration = duration;
24    s.startThread = startThread;
25    s.endThread = endThread;
26    var subSlice = new tracing.trace_model.AsyncSlice('', name, 0, start);
27    subSlice.duration = duration;
28    subSlice.startThread = startThread;
29    subSlice.endThread = endThread;
30    s.subSlices = [subSlice];
31    return s;
32  }
33
34  function newCounter(parent) {
35    return newCounterNamed(parent, 'a');
36  }
37
38  function newCounterNamed(parent, name) {
39    var s = new tracing.trace_model.Counter(parent, name, null, name);
40    return s;
41  }
42
43  function newCounterCategory(parent, category, name) {
44    var s = new tracing.trace_model.Counter(parent, name, category, name);
45    return s;
46  }
47
48  function newSlice(start, duration) {
49    return newSliceNamed('a', start, duration);
50  }
51
52  function newSliceNamed(name, start, duration) {
53    var s = new tracing.trace_model.Slice('', name, 0, start, {}, duration);
54    return s;
55  }
56
57  function newSliceCategory(category, name, start, duration) {
58    var s = new tracing.trace_model.Slice(
59        category, name, 0, start, {}, duration);
60    return s;
61  }
62
63  function findSliceNamed(slices, name) {
64    if (slices instanceof tracing.trace_model.SliceGroup)
65      slices = slices.slices;
66    for (var i = 0; i < slices.length; i++)
67      if (slices[i].title == name)
68        return slices[i];
69      return undefined;
70  }
71
72  return {
73    newAsyncSlice: newAsyncSlice,
74    newAsyncSliceNamed: newAsyncSliceNamed,
75    newCounter: newCounter,
76    newCounterNamed: newCounterNamed,
77    newCounterCategory: newCounterCategory,
78    newSlice: newSlice,
79    newSliceNamed: newSliceNamed,
80    newSliceCategory: newSliceCategory,
81    findSliceNamed: findSliceNamed
82  };
83});
84