1// Copyright 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#include <string>
6
7#include "base/time/time.h"
8#include "base/values.h"
9#include "cc/debug/rendering_stats.h"
10#include "testing/gtest/include/gtest/gtest.h"
11
12namespace cc {
13namespace {
14
15static std::string ToString(const RenderingStats::TimeDeltaList& list) {
16  scoped_refptr<base::debug::TracedValue> value =
17      new base::debug::TracedValue();
18  value->BeginArray("list_value");
19  list.AddToTracedValue(value.get());
20  value->EndArray();
21  return value->ToString();
22}
23
24TEST(RenderingStatsTest, TimeDeltaListEmpty) {
25  RenderingStats::TimeDeltaList time_delta_list;
26  EXPECT_EQ("{\"list_value\":[]}", ToString(time_delta_list));
27}
28
29TEST(RenderingStatsTest, TimeDeltaListNonEmpty) {
30  RenderingStats::TimeDeltaList time_delta_list;
31  time_delta_list.Append(base::TimeDelta::FromMilliseconds(234));
32  time_delta_list.Append(base::TimeDelta::FromMilliseconds(827));
33
34  EXPECT_EQ("{\"list_value\":[234.0,827.0]}", ToString(time_delta_list));
35}
36
37TEST(RenderingStatsTest, TimeDeltaListAdd) {
38  RenderingStats::TimeDeltaList time_delta_list_a;
39  time_delta_list_a.Append(base::TimeDelta::FromMilliseconds(810));
40  time_delta_list_a.Append(base::TimeDelta::FromMilliseconds(32));
41
42  RenderingStats::TimeDeltaList time_delta_list_b;
43  time_delta_list_b.Append(base::TimeDelta::FromMilliseconds(43));
44  time_delta_list_b.Append(base::TimeDelta::FromMilliseconds(938));
45  time_delta_list_b.Append(base::TimeDelta::FromMilliseconds(2));
46
47  time_delta_list_a.Add(time_delta_list_b);
48  EXPECT_EQ("{\"list_value\":[810.0,32.0,43.0,938.0,2.0]}",
49            ToString(time_delta_list_a));
50}
51
52}  // namespace
53}  // namespace cc
54