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Issue 21447003: Add unit tests for LatencyInfo (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 4 months ago
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1 // Copyright (c) 2013 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 "ui/base/latency_info.h"
6
7 #include "testing/gtest/include/gtest/gtest.h"
8
9 namespace ui {
10
11 TEST(LatencyInfoTest, AddTwoSeparateEvent) {
12 LatencyInfo info;
13 info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_RWH_COMPONENT,
14 0,
15 1,
16 base::TimeTicks::FromInternalValue(100),
17 1);
18 info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT,
19 1,
20 5,
21 base::TimeTicks::FromInternalValue(1000),
22 2);
23
24 EXPECT_EQ(info.latency_components.size(), 2u);
25 LatencyInfo::LatencyComponent component;
26 EXPECT_FALSE(
27 info.FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, &component));
28 EXPECT_FALSE(
29 info.FindLatency(INPUT_EVENT_LATENCY_RWH_COMPONENT, 1, &component));
30 EXPECT_TRUE(
31 info.FindLatency(INPUT_EVENT_LATENCY_RWH_COMPONENT, 0, &component));
32 EXPECT_EQ(component.sequence_number, 1);
33 EXPECT_EQ(component.event_count, 1u);
34 EXPECT_EQ(component.event_time.ToInternalValue(), 100);
35 EXPECT_TRUE(
36 info.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1, &component));
37 EXPECT_EQ(component.sequence_number, 5);
38 EXPECT_EQ(component.event_count, 2u);
39 EXPECT_EQ(component.event_time.ToInternalValue(), 1000);
40 }
41
42 TEST(LatencyInfoTest, AddTwoSameEvent) {
43 LatencyInfo info;
44 info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_RWH_COMPONENT,
45 0,
46 30,
47 base::TimeTicks::FromInternalValue(100),
48 2);
49 info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_RWH_COMPONENT,
50 0,
51 13,
52 base::TimeTicks::FromInternalValue(200),
53 3);
54
55 EXPECT_EQ(info.latency_components.size(), 1u);
56 LatencyInfo::LatencyComponent component;
57 EXPECT_FALSE(
58 info.FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, &component));
59 EXPECT_FALSE(
60 info.FindLatency(INPUT_EVENT_LATENCY_RWH_COMPONENT, 1, &component));
61 EXPECT_TRUE(
62 info.FindLatency(INPUT_EVENT_LATENCY_RWH_COMPONENT, 0, &component));
63 EXPECT_EQ(component.sequence_number, 30);
64 EXPECT_EQ(component.event_count, 5u);
65 EXPECT_EQ(component.event_time.ToInternalValue(), (100 * 2 + 200 * 3) / 5);
66 }
67
68 TEST(LatencyInfoTest, MergeTwoSeparateEvent) {
69 LatencyInfo info1;
70 LatencyInfo info2;
71 info1.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_RWH_COMPONENT,
72 0,
73 1,
74 base::TimeTicks::FromInternalValue(100),
75 1);
76 info2.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT,
77 1,
78 5,
79 base::TimeTicks::FromInternalValue(1000),
80 2);
81 info1.MergeWith(info2);
82
83 EXPECT_EQ(info1.latency_components.size(), 2u);
84 LatencyInfo::LatencyComponent component;
85 EXPECT_FALSE(
86 info1.FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, &component));
87 EXPECT_FALSE(
88 info1.FindLatency(INPUT_EVENT_LATENCY_RWH_COMPONENT, 1, &component));
89 EXPECT_TRUE(
90 info1.FindLatency(INPUT_EVENT_LATENCY_RWH_COMPONENT, 0, &component));
91 EXPECT_EQ(component.sequence_number, 1);
92 EXPECT_EQ(component.event_count, 1u);
93 EXPECT_EQ(component.event_time.ToInternalValue(), 100);
94 EXPECT_TRUE(
95 info1.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1, &component));
96 EXPECT_EQ(component.sequence_number, 5);
97 EXPECT_EQ(component.event_count, 2u);
98 EXPECT_EQ(component.event_time.ToInternalValue(), 1000);
99 }
100
101 TEST(LatencyInfoTest, MergeTwoSameEvent) {
102 LatencyInfo info1;
103 LatencyInfo info2;
104 info1.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_RWH_COMPONENT,
105 0,
106 30,
107 base::TimeTicks::FromInternalValue(100),
108 2);
109 info2.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_RWH_COMPONENT,
110 0,
111 13,
112 base::TimeTicks::FromInternalValue(200),
113 3);
114 info1.MergeWith(info2);
115
116 EXPECT_EQ(info1.latency_components.size(), 1u);
117 LatencyInfo::LatencyComponent component;
118 EXPECT_FALSE(
119 info1.FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, &component));
120 EXPECT_FALSE(
121 info1.FindLatency(INPUT_EVENT_LATENCY_RWH_COMPONENT, 1, &component));
122 EXPECT_TRUE(
123 info1.FindLatency(INPUT_EVENT_LATENCY_RWH_COMPONENT, 0, &component));
124 EXPECT_EQ(component.sequence_number, 30);
125 EXPECT_EQ(component.event_count, 5u);
126 EXPECT_EQ(component.event_time.ToInternalValue(), (100 * 2 + 200 * 3) / 5);
127 }
128
129 TEST(LatencyInfoTest, ClearEvents) {
130 LatencyInfo info;
131 info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_RWH_COMPONENT,
132 0,
133 30,
134 base::TimeTicks::FromInternalValue(100),
135 2);
136
137 EXPECT_EQ(info.latency_components.size(), 1u);
138 info.Clear();
139 EXPECT_EQ(info.latency_components.size(), 0u);
140 }
141
142 } // namespace ui
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