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Issue 10406012: Base: Add power requirements to the System monitor. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 7 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "base/file_path.h" 5 #include "base/file_path.h"
6 #include "base/test/mock_devices_changed_observer.h" 6 #include "base/test/mock_devices_changed_observer.h"
7 #include "base/system_monitor/system_monitor.h" 7 #include "base/system_monitor/system_monitor.h"
8 #include "testing/gmock/include/gmock/gmock.h" 8 #include "testing/gmock/include/gmock/gmock.h"
9 #include "testing/gtest/include/gtest/gtest.h" 9 #include "testing/gtest/include/gtest/gtest.h"
10 10
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130 130
131 system_monitor.ProcessMediaDeviceAttached( 131 system_monitor.ProcessMediaDeviceAttached(
132 1, "media device", FilePath(FILE_PATH_LITERAL("path"))); 132 1, "media device", FilePath(FILE_PATH_LITERAL("path")));
133 loop.RunAllPending(); 133 loop.RunAllPending();
134 134
135 system_monitor.ProcessMediaDeviceDetached(1); 135 system_monitor.ProcessMediaDeviceDetached(1);
136 system_monitor.ProcessMediaDeviceDetached(2); 136 system_monitor.ProcessMediaDeviceDetached(2);
137 loop.RunAllPending(); 137 loop.RunAllPending();
138 } 138 }
139 139
140 TEST(SystemMonitor, PowerRequirements) {
141 #if defined(OS_WIN)
142 MessageLoop loop;
143 SystemMonitor system_monitor;
144 ASSERT_EQ(0, system_monitor.GetPowerRequirementsCountForTest());
145
146 system_monitor.BeginPowerRequirement(SystemMonitor::TEST_REQUIRED, "foo");
147 ASSERT_EQ(1, system_monitor.GetPowerRequirementsCountForTest());
148
149 system_monitor.BeginPowerRequirement(SystemMonitor::TEST_REQUIRED, "bar");
150 ASSERT_EQ(2, system_monitor.GetPowerRequirementsCountForTest());
151
152 // A second identical request should not increase the request count.
153 system_monitor.BeginPowerRequirement(SystemMonitor::TEST_REQUIRED, "bar");
154 ASSERT_EQ(2, system_monitor.GetPowerRequirementsCountForTest());
155
156 system_monitor.EndPowerRequirement(SystemMonitor::TEST_REQUIRED, "foo");
157 ASSERT_EQ(1, system_monitor.GetPowerRequirementsCountForTest());
158
159 // The request count should not decrease until all identical requests end.
160 system_monitor.EndPowerRequirement(SystemMonitor::TEST_REQUIRED, "bar");
161 ASSERT_EQ(1, system_monitor.GetPowerRequirementsCountForTest());
162
163 system_monitor.EndPowerRequirement(SystemMonitor::TEST_REQUIRED, "bar");
164 ASSERT_EQ(0, system_monitor.GetPowerRequirementsCountForTest());
165 #endif // defined(OS_WIN)
166 }
167
140 } // namespace base 168 } // namespace base
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