1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "base/idle_timer.h"
#include "base/message_loop.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class IdleTimerTest : public testing::Test {
};
};
// We Mock the GetLastInputInfo function to return
// the time stored here.
static DWORD mock_idle_time = GetTickCount();
BOOL __stdcall MockGetLastInputInfoFunction(PLASTINPUTINFO plii) {
DCHECK(plii->cbSize == sizeof(LASTINPUTINFO));
plii->dwTime = mock_idle_time;
return TRUE;
}
// TestIdle task fires after 100ms of idle time.
class TestIdleTask : public IdleTimerTask {
public:
TestIdleTask(bool repeat)
: IdleTimerTask(TimeDelta::FromMilliseconds(100), repeat),
idle_counter_(0) {
set_last_input_info_fn(MockGetLastInputInfoFunction);
}
int get_idle_counter() { return idle_counter_; }
virtual void OnIdle() {
idle_counter_++;
}
private:
int idle_counter_;
};
// A task to help us quit the test.
class TestFinishedTask : public Task {
public:
TestFinishedTask() {}
void Run() {
MessageLoop::current()->Quit();
}
};
// A timer which resets the idle clock.
class ResetIdleTask : public Task {
public:
ResetIdleTask() {}
void Run() {
mock_idle_time = GetTickCount();
}
};
///////////////////////////////////////////////////////////////////////////////
// NoRepeat tests:
// A non-repeating idle timer will fire once on idle, and
// then will not fire again unless it goes non-idle first.
TEST(IdleTimerTest, NoRepeatIdle) {
// Create an IdleTimer, which should fire once after 100ms.
// Create a Quit timer which will fire after 1s.
// Verify that we fired exactly once.
mock_idle_time = GetTickCount();
TestIdleTask test_task(false);
TestFinishedTask finish_task;
MessageLoop* loop = MessageLoop::current();
Timer* t = loop->timer_manager()->StartTimer(1000, &finish_task, false);
test_task.Start();
loop->Run();
EXPECT_EQ(test_task.get_idle_counter(), 1);
delete t;
}
TEST(IdleTimerTest, NoRepeatFlipIdleOnce) {
// Create an IdleTimer, which should fire once after 100ms.
// Create a Quit timer which will fire after 1s.
// Create a timer to reset once, idle after 500ms.
// Verify that we fired exactly twice.
mock_idle_time = GetTickCount();
TestIdleTask test_task(false);
TestFinishedTask finish_task;
ResetIdleTask reset_task;
MessageLoop* loop = MessageLoop::current();
Timer* t1 = loop->timer_manager()->StartTimer(1000, &finish_task, false);
Timer* t2 = loop->timer_manager()->StartTimer(500, &reset_task, false);
test_task.Start();
loop->Run();
EXPECT_EQ(test_task.get_idle_counter(), 2);
delete t1;
delete t2;
}
TEST(IdleTimerTest, NoRepeatNotIdle) {
// Create an IdleTimer, which should fire once after 100ms.
// Create a Quit timer which will fire after 1s.
// Create a timer to reset idle every 50ms.
// Verify that we never fired.
mock_idle_time = GetTickCount();
TestIdleTask test_task(false);
TestFinishedTask finish_task;
ResetIdleTask reset_task;
MessageLoop* loop = MessageLoop::current();
Timer* t = loop->timer_manager()->StartTimer(1000, &finish_task, false);
Timer* reset_timer = loop->timer_manager()->StartTimer(50, &reset_task, true);
test_task.Start();
loop->Run();
loop->timer_manager()->StopTimer(reset_timer);
EXPECT_EQ(test_task.get_idle_counter(), 0);
delete t;
delete reset_timer;
}
///////////////////////////////////////////////////////////////////////////////
// Repeat tests:
// A repeating idle timer will fire repeatedly on each interval, as long
// as it has been idle. So, if the machine remains idle, it will continue
// firing over and over.
TEST(IdleTimerTest, Repeat) {
// Create an IdleTimer, which should fire repeatedly after 100ms.
// Create a Quit timer which will fire after 1.05s.
// Verify that we fired 10 times.
mock_idle_time = GetTickCount();
TestIdleTask test_task(true);
TestFinishedTask finish_task;
MessageLoop* loop = MessageLoop::current();
Timer* t = loop->timer_manager()->StartTimer(1050, &finish_task, false);
test_task.Start();
loop->Run();
// In a perfect world, the idle_counter should be 10. However,
// since timers aren't guaranteed to fire perfectly, this can
// be less. Just expect more than 5 and no more than 10.
EXPECT_GT(test_task.get_idle_counter(), 5);
EXPECT_LE(test_task.get_idle_counter(), 10);
delete t;
}
TEST(IdleTimerTest, RepeatIdleReset) {
// Create an IdleTimer, which should fire repeatedly after 100ms.
// Create a Quit timer which will fire after 1s.
// Create a reset timer, which fires after 550ms
// Verify that we fired 9 times.
mock_idle_time = GetTickCount();
TestIdleTask test_task(true);
ResetIdleTask reset_task;
TestFinishedTask finish_task;
MessageLoop* loop = MessageLoop::current();
Timer* t1 = loop->timer_manager()->StartTimer(1000, &finish_task, false);
Timer* t2 = loop->timer_manager()->StartTimer(550, &reset_task, false);
test_task.Start();
loop->Run();
// In a perfect world, the idle_counter should be 9. However,
// since timers aren't guaranteed to fire perfectly, this can
// be less. Just expect more than 5 and no more than 9.
EXPECT_GT(test_task.get_idle_counter(), 5);
EXPECT_LE(test_task.get_idle_counter(), 9);
delete t1;
delete t2;
}
TEST(IdleTimerTest, RepeatNotIdle) {
// Create an IdleTimer, which should fire repeatedly after 100ms.
// Create a Quit timer which will fire after 1s.
// Create a timer to reset idle every 50ms.
// Verify that we never fired.
mock_idle_time = GetTickCount();
TestIdleTask test_task(true);
TestFinishedTask finish_task;
ResetIdleTask reset_task;
MessageLoop* loop = MessageLoop::current();
Timer* t1 = loop->timer_manager()->StartTimer(1000, &finish_task, false);
Timer* reset_timer = loop->timer_manager()->StartTimer(50, &reset_task, true);
test_task.Start();
loop->Run();
loop->timer_manager()->StopTimer(reset_timer);
EXPECT_EQ(test_task.get_idle_counter(), 0);
delete t1;
delete reset_timer;
}
|
