statistics_recorder_unittest.cc | Explore in Territory

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/metrics/statistics_recorder.h"

#include <stddef.h>

#include <memory>
#include <optional>
#include <utility>
#include <vector>

#include "base/functional/bind.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/memory/weak_ptr.h"
#include "base/metrics/histogram_base.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/metrics_hashes.h"
#include "base/metrics/persistent_histogram_allocator.h"
#include "base/metrics/record_histogram_checker.h"
#include "base/metrics/sparse_histogram.h"
#include "base/test/task_environment.h"
#include "base/values.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace {

// Class to make sure any manipulations we do to the min log level are
// contained (i.e., do not affect other unit tests).
class LogStateSaver { … };

// Test implementation of RecordHistogramChecker interface.
class OddRecordHistogramChecker : public base::RecordHistogramChecker { … };

}  // namespace

namespace base {

IsEmpty;
SizeIs;
UnorderedElementsAre;

class StatisticsRecorderTest : public testing::TestWithParam<bool> { … };

// Run all HistogramTest cases with both heap and persistent memory.
INSTANTIATE_TEST_SUITE_P(…);

TEST_P(StatisticsRecorderTest, NotInitialized) { … }

TEST_P(StatisticsRecorderTest, RegisterHistogram) { … }

TEST_P(StatisticsRecorderTest, FindHistogram) { … }

TEST_P(StatisticsRecorderTest, WithName) { … }

TEST_P(StatisticsRecorderTest, RegisterHistogramWithFactoryGet) { … }

TEST_P(StatisticsRecorderTest, RegisterHistogramWithMacros) { … }

TEST_P(StatisticsRecorderTest, BucketRangesSharing) { … }

TEST_P(StatisticsRecorderTest, ToJSON) { … }

// Check the serialized JSON with a different verbosity level.
TEST_P(StatisticsRecorderTest, ToJSONOmitBuckets) { … }

TEST_P(StatisticsRecorderTest, IterationTest) { … }

namespace {

// CallbackCheckWrapper is simply a convenient way to check and store that
// a callback was actually run.
struct CallbackCheckWrapper { … };

}  // namespace

TEST_P(StatisticsRecorderTest,
       AddHistogramCallbackBeforeHistogramRegistration) { … }

TEST_P(StatisticsRecorderTest,
       RemoveHistogramCallbackBeforeHistogramRegistrationWithMultipleClients) { … }

TEST_P(StatisticsRecorderTest, AddHistogramCallbackWithMultipleClients) { … }

TEST_P(StatisticsRecorderTest, RemoveHistogramCallbackWithMultipleClients) { … }

// Check that callback is used.
TEST_P(StatisticsRecorderTest, CallbackUsedTest) { … }

// Check that setting a callback before the histogram exists works.
TEST_P(StatisticsRecorderTest, CallbackUsedBeforeHistogramCreatedTest) { … }

TEST_P(StatisticsRecorderTest, GlobalCallbackCalled) { … }

TEST_P(StatisticsRecorderTest, LogOnShutdownNotInitialized) { … }

TEST_P(StatisticsRecorderTest, LogOnShutdownInitializedExplicitly) { … }

TEST_P(StatisticsRecorderTest, LogOnShutdownInitialized) { … }

class TestHistogramProvider : public StatisticsRecorder::HistogramProvider { … };

TEST_P(StatisticsRecorderTest, ImportHistogramsTest) { … }

TEST_P(StatisticsRecorderTest, RecordHistogramChecker) { … }

}  // namespace base
chromium/base/metrics/statistics_recorder_unittest.cc
