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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 // Test of classes in tracked_time.cc | 5 // Test of classes in tracked_time.cc |
6 | 6 |
7 #include "base/profiler/tracked_time.h" | 7 #include "base/profiler/tracked_time.h" |
8 #include "base/time/time.h" | 8 #include "base/time/time.h" |
9 #include "base/tracked_objects.h" | 9 #include "base/tracked_objects.h" |
10 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
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71 // Check to be sure disabling the collection of data induces a null time | 71 // Check to be sure disabling the collection of data induces a null time |
72 // (which we know will return much faster). | 72 // (which we know will return much faster). |
73 if (!ThreadData::InitializeAndSetTrackingStatus(ThreadData::DEACTIVATED)) | 73 if (!ThreadData::InitializeAndSetTrackingStatus(ThreadData::DEACTIVATED)) |
74 return; | 74 return; |
75 // Since we disabled tracking, we should get a null response. | 75 // Since we disabled tracking, we should get a null response. |
76 TrackedTime track_now = ThreadData::Now(); | 76 TrackedTime track_now = ThreadData::Now(); |
77 EXPECT_TRUE(track_now.is_null()); | 77 EXPECT_TRUE(track_now.is_null()); |
78 } | 78 } |
79 | 79 |
80 TEST(TrackedTimeTest, TrackedTimerEnabled) { | 80 TEST(TrackedTimeTest, TrackedTimerEnabled) { |
81 if (!ThreadData::InitializeAndSetTrackingStatus( | 81 if (!ThreadData::InitializeAndSetTrackingStatus(ThreadData::PROFILING_ACTIVE)) |
82 ThreadData::PROFILING_CHILDREN_ACTIVE)) | |
83 return; | 82 return; |
84 // Make sure that when we enable tracking, we get a real timer result. | 83 // Make sure that when we enable tracking, we get a real timer result. |
85 | 84 |
86 // First get a 64 bit timer (which should not be null). | 85 // First get a 64 bit timer (which should not be null). |
87 base::TimeTicks ticks_before = base::TimeTicks::Now(); | 86 base::TimeTicks ticks_before = base::TimeTicks::Now(); |
88 EXPECT_FALSE(ticks_before.is_null()); | 87 EXPECT_FALSE(ticks_before.is_null()); |
89 | 88 |
90 // Then get a 32 bit timer that can be null when it wraps. | 89 // Then get a 32 bit timer that can be null when it wraps. |
91 // Crtical difference from the TrackedTimerVsTimeTicks test, is that we use | 90 // Crtical difference from the TrackedTimerVsTimeTicks test, is that we use |
92 // ThreadData::Now(). It can sometimes return the null time. | 91 // ThreadData::Now(). It can sometimes return the null time. |
93 TrackedTime now = ThreadData::Now(); | 92 TrackedTime now = ThreadData::Now(); |
94 | 93 |
95 // Then get a bracketing time. | 94 // Then get a bracketing time. |
96 base::TimeTicks ticks_after = base::TimeTicks::Now(); | 95 base::TimeTicks ticks_after = base::TimeTicks::Now(); |
97 EXPECT_FALSE(ticks_after.is_null()); | 96 EXPECT_FALSE(ticks_after.is_null()); |
98 | 97 |
99 // Now make sure that we bracketed our tracked time nicely. | 98 // Now make sure that we bracketed our tracked time nicely. |
100 Duration before = now - TrackedTime(ticks_before); | 99 Duration before = now - TrackedTime(ticks_before); |
101 EXPECT_LE(0, before.InMilliseconds()); | 100 EXPECT_LE(0, before.InMilliseconds()); |
102 Duration after = now - TrackedTime(ticks_after); | 101 Duration after = now - TrackedTime(ticks_after); |
103 EXPECT_GE(0, after.InMilliseconds()); | 102 EXPECT_GE(0, after.InMilliseconds()); |
104 } | 103 } |
105 | 104 |
106 } // namespace tracked_objects | 105 } // namespace tracked_objects |
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