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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 <vector> | 5 #include <vector> |
6 | 6 |
7 #include "base/metrics/histogram.h" | 7 #include "base/metrics/histogram.h" |
8 #include "base/metrics/histogram_base.h" | 8 #include "base/metrics/histogram_base.h" |
9 #include "base/metrics/sparse_histogram.h" | 9 #include "base/metrics/sparse_histogram.h" |
10 #include "base/metrics/statistics_recorder.h" | 10 #include "base/metrics/statistics_recorder.h" |
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54 deserialized = DeserializeHistogramInfo(&iter2); | 54 deserialized = DeserializeHistogramInfo(&iter2); |
55 EXPECT_TRUE(deserialized); | 55 EXPECT_TRUE(deserialized); |
56 EXPECT_NE(histogram, deserialized); | 56 EXPECT_NE(histogram, deserialized); |
57 EXPECT_EQ("TestHistogram", deserialized->histogram_name()); | 57 EXPECT_EQ("TestHistogram", deserialized->histogram_name()); |
58 EXPECT_TRUE(deserialized->HasConstructionArguments(1, 1000, 10)); | 58 EXPECT_TRUE(deserialized->HasConstructionArguments(1, 1000, 10)); |
59 | 59 |
60 // kIPCSerializationSourceFlag will be cleared. | 60 // kIPCSerializationSourceFlag will be cleared. |
61 EXPECT_EQ(HistogramBase::kUmaTargetedHistogramFlag, deserialized->flags()); | 61 EXPECT_EQ(HistogramBase::kUmaTargetedHistogramFlag, deserialized->flags()); |
62 } | 62 } |
63 | 63 |
64 TEST_F(HistogramBaseTest, DeserializeHistogramAndAddSamples) { | |
65 HistogramBase* histogram = Histogram::FactoryGet( | |
66 "TestHistogram", 1, 1000, 10, HistogramBase::kIPCSerializationSourceFlag); | |
67 histogram->Add(1); | |
68 histogram->Add(10); | |
69 histogram->Add(100); | |
70 histogram->Add(1000); | |
71 | |
72 Pickle pickle; | |
73 ASSERT_TRUE(histogram->SerializeInfo(&pickle)); | |
74 histogram->SnapshotSamples()->Serialize(&pickle); | |
75 | |
76 PickleIterator iter(pickle); | |
77 DeserializeHistogramAndAddSamples(&iter); | |
78 | |
79 // The histogram has kIPCSerializationSourceFlag. So samples will be ignored. | |
80 scoped_ptr<HistogramSamples> snapshot(histogram->SnapshotSamples()); | |
81 EXPECT_EQ(1, snapshot->GetCount(1)); | |
82 EXPECT_EQ(1, snapshot->GetCount(10)); | |
83 EXPECT_EQ(1, snapshot->GetCount(100)); | |
84 EXPECT_EQ(1, snapshot->GetCount(1000)); | |
85 | |
86 // Clear kIPCSerializationSourceFlag to emulate multi-process usage. | |
87 histogram->ClearFlags(HistogramBase::kIPCSerializationSourceFlag); | |
88 PickleIterator iter2(pickle); | |
89 DeserializeHistogramAndAddSamples(&iter2); | |
90 | |
91 scoped_ptr<HistogramSamples> snapshot2(histogram->SnapshotSamples()); | |
92 EXPECT_EQ(2, snapshot2->GetCount(1)); | |
93 EXPECT_EQ(2, snapshot2->GetCount(10)); | |
94 EXPECT_EQ(2, snapshot2->GetCount(100)); | |
95 EXPECT_EQ(2, snapshot2->GetCount(1000)); | |
96 } | |
97 | |
98 TEST_F(HistogramBaseTest, DeserializeLinearHistogram) { | 64 TEST_F(HistogramBaseTest, DeserializeLinearHistogram) { |
99 HistogramBase* histogram = LinearHistogram::FactoryGet( | 65 HistogramBase* histogram = LinearHistogram::FactoryGet( |
100 "TestHistogram", 1, 1000, 10, | 66 "TestHistogram", 1, 1000, 10, |
101 HistogramBase::kIPCSerializationSourceFlag); | 67 HistogramBase::kIPCSerializationSourceFlag); |
102 | 68 |
103 Pickle pickle; | 69 Pickle pickle; |
104 ASSERT_TRUE(histogram->SerializeInfo(&pickle)); | 70 ASSERT_TRUE(histogram->SerializeInfo(&pickle)); |
105 | 71 |
106 PickleIterator iter(pickle); | 72 PickleIterator iter(pickle); |
107 HistogramBase* deserialized = DeserializeHistogramInfo(&iter); | 73 HistogramBase* deserialized = DeserializeHistogramInfo(&iter); |
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182 | 148 |
183 PickleIterator iter2(pickle); | 149 PickleIterator iter2(pickle); |
184 deserialized = DeserializeHistogramInfo(&iter2); | 150 deserialized = DeserializeHistogramInfo(&iter2); |
185 EXPECT_TRUE(deserialized); | 151 EXPECT_TRUE(deserialized); |
186 EXPECT_NE(histogram, deserialized); | 152 EXPECT_NE(histogram, deserialized); |
187 EXPECT_EQ("TestHistogram", deserialized->histogram_name()); | 153 EXPECT_EQ("TestHistogram", deserialized->histogram_name()); |
188 EXPECT_EQ(0, deserialized->flags()); | 154 EXPECT_EQ(0, deserialized->flags()); |
189 } | 155 } |
190 | 156 |
191 } // namespace base | 157 } // namespace base |
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