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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/metrics/statistics_recorder.h" |
| 6 |
5 #include <stddef.h> | 7 #include <stddef.h> |
6 | 8 |
| 9 #include <memory> |
7 #include <vector> | 10 #include <vector> |
8 | 11 |
9 #include "base/bind.h" | 12 #include "base/bind.h" |
10 #include "base/json/json_reader.h" | 13 #include "base/json/json_reader.h" |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/metrics/histogram_macros.h" | 14 #include "base/metrics/histogram_macros.h" |
13 #include "base/metrics/persistent_histogram_allocator.h" | 15 #include "base/metrics/persistent_histogram_allocator.h" |
14 #include "base/metrics/sparse_histogram.h" | 16 #include "base/metrics/sparse_histogram.h" |
15 #include "base/metrics/statistics_recorder.h" | |
16 #include "base/values.h" | 17 #include "base/values.h" |
17 #include "testing/gtest/include/gtest/gtest.h" | 18 #include "testing/gtest/include/gtest/gtest.h" |
18 | 19 |
19 namespace base { | 20 namespace base { |
20 | 21 |
21 class StatisticsRecorderTest : public testing::Test { | 22 class StatisticsRecorderTest : public testing::Test { |
22 protected: | 23 protected: |
23 void SetUp() override { | 24 void SetUp() override { |
24 // Get this first so it never gets created in persistent storage and will | 25 // Get this first so it never gets created in persistent storage and will |
25 // not appear in the StatisticsRecorder after it is re-initialized. | 26 // not appear in the StatisticsRecorder after it is re-initialized. |
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265 | 266 |
266 TEST_F(StatisticsRecorderTest, ToJSON) { | 267 TEST_F(StatisticsRecorderTest, ToJSON) { |
267 LOCAL_HISTOGRAM_COUNTS("TestHistogram1", 30); | 268 LOCAL_HISTOGRAM_COUNTS("TestHistogram1", 30); |
268 LOCAL_HISTOGRAM_COUNTS("TestHistogram1", 40); | 269 LOCAL_HISTOGRAM_COUNTS("TestHistogram1", 40); |
269 LOCAL_HISTOGRAM_COUNTS("TestHistogram2", 30); | 270 LOCAL_HISTOGRAM_COUNTS("TestHistogram2", 30); |
270 LOCAL_HISTOGRAM_COUNTS("TestHistogram2", 40); | 271 LOCAL_HISTOGRAM_COUNTS("TestHistogram2", 40); |
271 | 272 |
272 std::string json(StatisticsRecorder::ToJSON(std::string())); | 273 std::string json(StatisticsRecorder::ToJSON(std::string())); |
273 | 274 |
274 // Check for valid JSON. | 275 // Check for valid JSON. |
275 scoped_ptr<Value> root = JSONReader::Read(json); | 276 std::unique_ptr<Value> root = JSONReader::Read(json); |
276 ASSERT_TRUE(root.get()); | 277 ASSERT_TRUE(root.get()); |
277 | 278 |
278 DictionaryValue* root_dict = NULL; | 279 DictionaryValue* root_dict = NULL; |
279 ASSERT_TRUE(root->GetAsDictionary(&root_dict)); | 280 ASSERT_TRUE(root->GetAsDictionary(&root_dict)); |
280 | 281 |
281 // No query should be set. | 282 // No query should be set. |
282 ASSERT_FALSE(root_dict->HasKey("query")); | 283 ASSERT_FALSE(root_dict->HasKey("query")); |
283 | 284 |
284 ListValue* histogram_list = NULL; | 285 ListValue* histogram_list = NULL; |
285 ASSERT_TRUE(root_dict->GetList("histograms", &histogram_list)); | 286 ASSERT_TRUE(root_dict->GetList("histograms", &histogram_list)); |
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507 HistogramBase* histogram = Histogram::FactoryGet("TestHistogram", 1, 1000, 10, | 508 HistogramBase* histogram = Histogram::FactoryGet("TestHistogram", 1, 1000, 10, |
508 HistogramBase::kNoFlags); | 509 HistogramBase::kNoFlags); |
509 EXPECT_TRUE(histogram); | 510 EXPECT_TRUE(histogram); |
510 histogram->Add(1); | 511 histogram->Add(1); |
511 | 512 |
512 EXPECT_TRUE(callback_wrapper.called); | 513 EXPECT_TRUE(callback_wrapper.called); |
513 EXPECT_EQ(callback_wrapper.last_histogram_value, 1); | 514 EXPECT_EQ(callback_wrapper.last_histogram_value, 1); |
514 } | 515 } |
515 | 516 |
516 } // namespace base | 517 } // namespace base |
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