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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/metrics/histogram_delta_serialization.h" | 5 #include "base/metrics/histogram_delta_serialization.h" |
6 | 6 |
7 #include <vector> | 7 #include <vector> |
8 | 8 |
9 #include "base/metrics/histogram.h" | 9 #include "base/metrics/histogram.h" |
10 #include "base/metrics/histogram_base.h" | 10 #include "base/metrics/histogram_base.h" |
11 #include "base/metrics/statistics_recorder.h" | 11 #include "base/metrics/statistics_recorder.h" |
12 #include "testing/gtest/include/gtest/gtest.h" | 12 #include "testing/gtest/include/gtest/gtest.h" |
13 | 13 |
14 namespace base { | 14 namespace base { |
15 | 15 |
16 TEST(HistogramDeltaSerializationTest, DeserializeHistogramAndAddSamples) { | 16 TEST(HistogramDeltaSerializationTest, DeserializeHistogramAndAddSamples) { |
17 StatisticsRecorder statistic_recorder; | 17 std::unique_ptr<StatisticsRecorder> statistic_recorder( |
| 18 StatisticsRecorder::CreateTemporaryForTesting()); |
18 HistogramDeltaSerialization serializer("HistogramDeltaSerializationTest"); | 19 HistogramDeltaSerialization serializer("HistogramDeltaSerializationTest"); |
19 std::vector<std::string> deltas; | 20 std::vector<std::string> deltas; |
20 // Nothing was changed yet. | 21 // Nothing was changed yet. |
21 serializer.PrepareAndSerializeDeltas(&deltas, true); | 22 serializer.PrepareAndSerializeDeltas(&deltas, true); |
22 EXPECT_TRUE(deltas.empty()); | 23 EXPECT_TRUE(deltas.empty()); |
23 | 24 |
24 HistogramBase* histogram = Histogram::FactoryGet( | 25 HistogramBase* histogram = Histogram::FactoryGet( |
25 "TestHistogram", 1, 1000, 10, HistogramBase::kIPCSerializationSourceFlag); | 26 "TestHistogram", 1, 1000, 10, HistogramBase::kIPCSerializationSourceFlag); |
26 histogram->Add(1); | 27 histogram->Add(1); |
27 histogram->Add(10); | 28 histogram->Add(10); |
(...skipping 17 matching lines...) Expand all Loading... |
45 HistogramDeltaSerialization::DeserializeAndAddSamples(deltas); | 46 HistogramDeltaSerialization::DeserializeAndAddSamples(deltas); |
46 | 47 |
47 std::unique_ptr<HistogramSamples> snapshot2(histogram->SnapshotSamples()); | 48 std::unique_ptr<HistogramSamples> snapshot2(histogram->SnapshotSamples()); |
48 EXPECT_EQ(2, snapshot2->GetCount(1)); | 49 EXPECT_EQ(2, snapshot2->GetCount(1)); |
49 EXPECT_EQ(2, snapshot2->GetCount(10)); | 50 EXPECT_EQ(2, snapshot2->GetCount(10)); |
50 EXPECT_EQ(2, snapshot2->GetCount(100)); | 51 EXPECT_EQ(2, snapshot2->GetCount(100)); |
51 EXPECT_EQ(2, snapshot2->GetCount(1000)); | 52 EXPECT_EQ(2, snapshot2->GetCount(1000)); |
52 } | 53 } |
53 | 54 |
54 } // namespace base | 55 } // namespace base |
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