cmds/statsd/tests/StatsLogProcessor_test.cpp - LeafOS-Project/android_frameworks_base - Gitiles

 // Copyright (C) 2017 The Android Open Source Project
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //      http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 #include "StatsLogProcessor.h"
 #include "config/ConfigKey.h"
 #include "frameworks/base/cmds/statsd/src/stats_log.pb.h"
 #include "frameworks/base/cmds/statsd/src/statsd_config.pb.h"
 #include "guardrail/StatsdStats.h"
 #include "logd/LogEvent.h"
 #include "packages/UidMap.h"
 #include "statslog.h"

 #include <gmock/gmock.h>
 #include <gtest/gtest.h>

 #include "tests/statsd_test_util.h"

 #include <stdio.h>

 using namespace android;
 using namespace testing;

 namespace android {
 namespace os {
 namespace statsd {

 using android::util::ProtoOutputStream;

 #ifdef __ANDROID__

 /**
  * Mock MetricsManager (ByteSize() is called).
  */
 class MockMetricsManager : public MetricsManager {
 public:
     MockMetricsManager()
         : MetricsManager(ConfigKey(1, 12345), StatsdConfig(), 1000, 1000, new UidMap(),
                          new StatsPullerManager(),
                          new AlarmMonitor(10, [](const sp<IStatsCompanionService>&, int64_t) {},
                                           [](const sp<IStatsCompanionService>&) {}),
                          new AlarmMonitor(10, [](const sp<IStatsCompanionService>&, int64_t) {},
                                           [](const sp<IStatsCompanionService>&) {})) {
     }

     MOCK_METHOD0(byteSize, size_t());

     MOCK_METHOD1(dropData, void(const int64_t dropTimeNs));
 };

 TEST(StatsLogProcessorTest, TestRateLimitByteSize) {
     sp<UidMap> m = new UidMap();
     sp<StatsPullerManager> pullerManager = new StatsPullerManager();
     sp<AlarmMonitor> anomalyAlarmMonitor;
     sp<AlarmMonitor> periodicAlarmMonitor;
     // Construct the processor with a dummy sendBroadcast function that does nothing.
     StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, periodicAlarmMonitor, 0,
                         [](const ConfigKey& key) { return true; });

     MockMetricsManager mockMetricsManager;

     ConfigKey key(100, 12345);
     // Expect only the first flush to trigger a check for byte size since the last two are
     // rate-limited.
     EXPECT_CALL(mockMetricsManager, byteSize()).Times(1);
     p.flushIfNecessaryLocked(99, key, mockMetricsManager);
     p.flushIfNecessaryLocked(100, key, mockMetricsManager);
     p.flushIfNecessaryLocked(101, key, mockMetricsManager);
 }

 TEST(StatsLogProcessorTest, TestRateLimitBroadcast) {
     sp<UidMap> m = new UidMap();
     sp<StatsPullerManager> pullerManager = new StatsPullerManager();
     sp<AlarmMonitor> anomalyAlarmMonitor;
     sp<AlarmMonitor> subscriberAlarmMonitor;
     int broadcastCount = 0;
     StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
                         [&broadcastCount](const ConfigKey& key) {
                             broadcastCount++;
                             return true;
                         });

     MockMetricsManager mockMetricsManager;

     ConfigKey key(100, 12345);
     EXPECT_CALL(mockMetricsManager, byteSize())
             .Times(1)
             .WillRepeatedly(Return(int(StatsdStats::kMaxMetricsBytesPerConfig * .95)));

     // Expect only one broadcast despite always returning a size that should trigger broadcast.
     p.flushIfNecessaryLocked(1, key, mockMetricsManager);
     EXPECT_EQ(1, broadcastCount);

     // b/73089712
     // This next call to flush should not trigger a broadcast.
     // p.mLastByteSizeTimes.clear();  // Force another check for byte size.
     // p.flushIfNecessaryLocked(2, key, mockMetricsManager);
     // EXPECT_EQ(1, broadcastCount);
 }

 TEST(StatsLogProcessorTest, TestDropWhenByteSizeTooLarge) {
     sp<UidMap> m = new UidMap();
     sp<StatsPullerManager> pullerManager = new StatsPullerManager();
     sp<AlarmMonitor> anomalyAlarmMonitor;
     sp<AlarmMonitor> subscriberAlarmMonitor;
     int broadcastCount = 0;
     StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
                         [&broadcastCount](const ConfigKey& key) {
                             broadcastCount++;
                             return true;
                         });

     MockMetricsManager mockMetricsManager;

     ConfigKey key(100, 12345);
     EXPECT_CALL(mockMetricsManager, byteSize())
             .Times(1)
             .WillRepeatedly(Return(int(StatsdStats::kMaxMetricsBytesPerConfig * 1.2)));

     EXPECT_CALL(mockMetricsManager, dropData(_)).Times(1);

     // Expect to call the onDumpReport and skip the broadcast.
     p.flushIfNecessaryLocked(1, key, mockMetricsManager);
     EXPECT_EQ(0, broadcastCount);
 }

 StatsdConfig MakeConfig(bool includeMetric) {
     StatsdConfig config;
     config.add_allowed_log_source("AID_ROOT");  // LogEvent defaults to UID of root.

     if (includeMetric) {
         auto appCrashMatcher = CreateProcessCrashAtomMatcher();
         *config.add_atom_matcher() = appCrashMatcher;
         auto countMetric = config.add_count_metric();
         countMetric->set_id(StringToId("AppCrashes"));
         countMetric->set_what(appCrashMatcher.id());
         countMetric->set_bucket(FIVE_MINUTES);
     }
     return config;
 }

 TEST(StatsLogProcessorTest, TestUidMapHasSnapshot) {
     // Setup simple config key corresponding to empty config.
     sp<UidMap> m = new UidMap();
     sp<StatsPullerManager> pullerManager = new StatsPullerManager();
     m->updateMap(1, {1, 2}, {1, 2}, {String16("v1"), String16("v2")},
                  {String16("p1"), String16("p2")}, {String16(""), String16("")});
     sp<AlarmMonitor> anomalyAlarmMonitor;
     sp<AlarmMonitor> subscriberAlarmMonitor;
     int broadcastCount = 0;
     StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
                         [&broadcastCount](const ConfigKey& key) {
                             broadcastCount++;
                             return true;
                         });
     ConfigKey key(3, 4);
     StatsdConfig config = MakeConfig(true);
     p.OnConfigUpdated(0, key, config);

     // Expect to get no metrics, but snapshot specified above in uidmap.
     vector<uint8_t> bytes;
     p.onDumpReport(key, 1, false, true, ADB_DUMP, &bytes);

     ConfigMetricsReportList output;
     output.ParseFromArray(bytes.data(), bytes.size());
     EXPECT_TRUE(output.reports_size() > 0);
     auto uidmap = output.reports(0).uid_map();
     EXPECT_TRUE(uidmap.snapshots_size() > 0);
     EXPECT_EQ(2, uidmap.snapshots(0).package_info_size());
 }

 TEST(StatsLogProcessorTest, TestEmptyConfigHasNoUidMap) {
     // Setup simple config key corresponding to empty config.
     sp<UidMap> m = new UidMap();
     sp<StatsPullerManager> pullerManager = new StatsPullerManager();
     m->updateMap(1, {1, 2}, {1, 2}, {String16("v1"), String16("v2")},
                  {String16("p1"), String16("p2")}, {String16(""), String16("")});
     sp<AlarmMonitor> anomalyAlarmMonitor;
     sp<AlarmMonitor> subscriberAlarmMonitor;
     int broadcastCount = 0;
     StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
                         [&broadcastCount](const ConfigKey& key) {
                             broadcastCount++;
                             return true;
                         });
     ConfigKey key(3, 4);
     StatsdConfig config = MakeConfig(false);
     p.OnConfigUpdated(0, key, config);

     // Expect to get no metrics, but snapshot specified above in uidmap.
     vector<uint8_t> bytes;
     p.onDumpReport(key, 1, false, true, ADB_DUMP, &bytes);

     ConfigMetricsReportList output;
     output.ParseFromArray(bytes.data(), bytes.size());
     EXPECT_TRUE(output.reports_size() > 0);
     EXPECT_FALSE(output.reports(0).has_uid_map());
 }

 TEST(StatsLogProcessorTest, TestReportIncludesSubConfig) {
     // Setup simple config key corresponding to empty config.
     sp<UidMap> m = new UidMap();
     sp<StatsPullerManager> pullerManager = new StatsPullerManager();
     sp<AlarmMonitor> anomalyAlarmMonitor;
     sp<AlarmMonitor> subscriberAlarmMonitor;
     int broadcastCount = 0;
     StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
                         [&broadcastCount](const ConfigKey& key) {
                             broadcastCount++;
                             return true;
                         });
     ConfigKey key(3, 4);
     StatsdConfig config;
     auto annotation = config.add_annotation();
     annotation->set_field_int64(1);
     annotation->set_field_int32(2);
     config.add_allowed_log_source("AID_ROOT");
     p.OnConfigUpdated(1, key, config);

     // Expect to get no metrics, but snapshot specified above in uidmap.
     vector<uint8_t> bytes;
     p.onDumpReport(key, 1, false, true, ADB_DUMP, &bytes);

     ConfigMetricsReportList output;
     output.ParseFromArray(bytes.data(), bytes.size());
     EXPECT_TRUE(output.reports_size() > 0);
     auto report = output.reports(0);
     EXPECT_EQ(1, report.annotation_size());
     EXPECT_EQ(1, report.annotation(0).field_int64());
     EXPECT_EQ(2, report.annotation(0).field_int32());
 }

 TEST(StatsLogProcessorTest, TestOnDumpReportEraseData) {
     // Setup a simple config.
     StatsdConfig config;
     config.add_allowed_log_source("AID_ROOT"); // LogEvent defaults to UID of root.
     auto wakelockAcquireMatcher = CreateAcquireWakelockAtomMatcher();
     *config.add_atom_matcher() = wakelockAcquireMatcher;

     auto countMetric = config.add_count_metric();
     countMetric->set_id(123456);
     countMetric->set_what(wakelockAcquireMatcher.id());
     countMetric->set_bucket(FIVE_MINUTES);

     ConfigKey cfgKey;
     sp<StatsLogProcessor> processor = CreateStatsLogProcessor(1, 1, config, cfgKey);

     std::vector<AttributionNodeInternal> attributions1 = {CreateAttribution(111, "App1")};
     auto event = CreateAcquireWakelockEvent(attributions1, "wl1", 2);
     processor->OnLogEvent(event.get());

     vector<uint8_t> bytes;
     ConfigMetricsReportList output;

     // Dump report WITHOUT erasing data.
     processor->onDumpReport(cfgKey, 3, true, false /* Do NOT erase data. */, ADB_DUMP, &bytes);
     output.ParseFromArray(bytes.data(), bytes.size());
     EXPECT_EQ(output.reports_size(), 1);
     EXPECT_EQ(output.reports(0).metrics_size(), 1);
     EXPECT_EQ(output.reports(0).metrics(0).count_metrics().data_size(), 1);

     // Dump report WITH erasing data. There should be data since we didn't previously erase it.
     processor->onDumpReport(cfgKey, 4, true, true /* DO erase data. */, ADB_DUMP, &bytes);
     output.ParseFromArray(bytes.data(), bytes.size());
     EXPECT_EQ(output.reports_size(), 1);
     EXPECT_EQ(output.reports(0).metrics_size(), 1);
     EXPECT_EQ(output.reports(0).metrics(0).count_metrics().data_size(), 1);

     // Dump report again. There should be no data since we erased it.
     processor->onDumpReport(cfgKey, 5, true, true /* DO erase data. */, ADB_DUMP, &bytes);
     output.ParseFromArray(bytes.data(), bytes.size());
     // We don't care whether statsd has a report, as long as it has no count metrics in it.
     bool noData = output.reports_size() == 0
             || output.reports(0).metrics_size() == 0
             || output.reports(0).metrics(0).count_metrics().data_size() == 0;
     EXPECT_TRUE(noData);
 }

 #else
 GTEST_LOG_(INFO) << "This test does nothing.\n";
 #endif

 }  // namespace statsd
 }  // namespace os
 }  // namespace android
	// Copyright (C) 2017 The Android Open Source Project
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	#include "StatsLogProcessor.h"
	#include "config/ConfigKey.h"
	#include "frameworks/base/cmds/statsd/src/stats_log.pb.h"
	#include "frameworks/base/cmds/statsd/src/statsd_config.pb.h"
	#include "guardrail/StatsdStats.h"
	#include "logd/LogEvent.h"
	#include "packages/UidMap.h"
	#include "statslog.h"

	#include <gmock/gmock.h>
	#include <gtest/gtest.h>

	#include "tests/statsd_test_util.h"

	#include <stdio.h>

	using namespace android;
	using namespace testing;

	namespace android {
	namespace os {
	namespace statsd {

	using android::util::ProtoOutputStream;

	#ifdef __ANDROID__

	/**
	* Mock MetricsManager (ByteSize() is called).
	*/
	class MockMetricsManager : public MetricsManager {
	public:
	MockMetricsManager()
	: MetricsManager(ConfigKey(1, 12345), StatsdConfig(), 1000, 1000, new UidMap(),
	new StatsPullerManager(),
	new AlarmMonitor(10, [](const sp<IStatsCompanionService>&, int64_t) {},
	[](const sp<IStatsCompanionService>&) {}),
	new AlarmMonitor(10, [](const sp<IStatsCompanionService>&, int64_t) {},
	[](const sp<IStatsCompanionService>&) {})) {
	}

	MOCK_METHOD0(byteSize, size_t());

	MOCK_METHOD1(dropData, void(const int64_t dropTimeNs));
	};

	TEST(StatsLogProcessorTest, TestRateLimitByteSize) {
	sp<UidMap> m = new UidMap();
	sp<StatsPullerManager> pullerManager = new StatsPullerManager();
	sp<AlarmMonitor> anomalyAlarmMonitor;
	sp<AlarmMonitor> periodicAlarmMonitor;
	// Construct the processor with a dummy sendBroadcast function that does nothing.
	StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, periodicAlarmMonitor, 0,
	[](const ConfigKey& key) { return true; });

	MockMetricsManager mockMetricsManager;

	ConfigKey key(100, 12345);
	// Expect only the first flush to trigger a check for byte size since the last two are
	// rate-limited.
	EXPECT_CALL(mockMetricsManager, byteSize()).Times(1);
	p.flushIfNecessaryLocked(99, key, mockMetricsManager);
	p.flushIfNecessaryLocked(100, key, mockMetricsManager);
	p.flushIfNecessaryLocked(101, key, mockMetricsManager);
	}

	TEST(StatsLogProcessorTest, TestRateLimitBroadcast) {
	sp<UidMap> m = new UidMap();
	sp<StatsPullerManager> pullerManager = new StatsPullerManager();
	sp<AlarmMonitor> anomalyAlarmMonitor;
	sp<AlarmMonitor> subscriberAlarmMonitor;
	int broadcastCount = 0;
	StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
	[&broadcastCount](const ConfigKey& key) {
	broadcastCount++;
	return true;
	});

	MockMetricsManager mockMetricsManager;

	ConfigKey key(100, 12345);
	EXPECT_CALL(mockMetricsManager, byteSize())
	.Times(1)
	.WillRepeatedly(Return(int(StatsdStats::kMaxMetricsBytesPerConfig * .95)));

	// Expect only one broadcast despite always returning a size that should trigger broadcast.
	p.flushIfNecessaryLocked(1, key, mockMetricsManager);
	EXPECT_EQ(1, broadcastCount);

	// b/73089712
	// This next call to flush should not trigger a broadcast.
	// p.mLastByteSizeTimes.clear(); // Force another check for byte size.
	// p.flushIfNecessaryLocked(2, key, mockMetricsManager);
	// EXPECT_EQ(1, broadcastCount);
	}

	TEST(StatsLogProcessorTest, TestDropWhenByteSizeTooLarge) {
	sp<UidMap> m = new UidMap();
	sp<StatsPullerManager> pullerManager = new StatsPullerManager();
	sp<AlarmMonitor> anomalyAlarmMonitor;
	sp<AlarmMonitor> subscriberAlarmMonitor;
	int broadcastCount = 0;
	StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
	[&broadcastCount](const ConfigKey& key) {
	broadcastCount++;
	return true;
	});

	MockMetricsManager mockMetricsManager;

	ConfigKey key(100, 12345);
	EXPECT_CALL(mockMetricsManager, byteSize())
	.Times(1)
	.WillRepeatedly(Return(int(StatsdStats::kMaxMetricsBytesPerConfig * 1.2)));

	EXPECT_CALL(mockMetricsManager, dropData(_)).Times(1);

	// Expect to call the onDumpReport and skip the broadcast.
	p.flushIfNecessaryLocked(1, key, mockMetricsManager);
	EXPECT_EQ(0, broadcastCount);
	}

	StatsdConfig MakeConfig(bool includeMetric) {
	StatsdConfig config;
	config.add_allowed_log_source("AID_ROOT"); // LogEvent defaults to UID of root.

	if (includeMetric) {
	auto appCrashMatcher = CreateProcessCrashAtomMatcher();
	*config.add_atom_matcher() = appCrashMatcher;
	auto countMetric = config.add_count_metric();
	countMetric->set_id(StringToId("AppCrashes"));
	countMetric->set_what(appCrashMatcher.id());
	countMetric->set_bucket(FIVE_MINUTES);
	}
	return config;
	}

	TEST(StatsLogProcessorTest, TestUidMapHasSnapshot) {
	// Setup simple config key corresponding to empty config.
	sp<UidMap> m = new UidMap();
	sp<StatsPullerManager> pullerManager = new StatsPullerManager();
	m->updateMap(1, {1, 2}, {1, 2}, {String16("v1"), String16("v2")},
	{String16("p1"), String16("p2")}, {String16(""), String16("")});
	sp<AlarmMonitor> anomalyAlarmMonitor;
	sp<AlarmMonitor> subscriberAlarmMonitor;
	int broadcastCount = 0;
	StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
	[&broadcastCount](const ConfigKey& key) {
	broadcastCount++;
	return true;
	});
	ConfigKey key(3, 4);
	StatsdConfig config = MakeConfig(true);
	p.OnConfigUpdated(0, key, config);

	// Expect to get no metrics, but snapshot specified above in uidmap.
	vector<uint8_t> bytes;
	p.onDumpReport(key, 1, false, true, ADB_DUMP, &bytes);

	ConfigMetricsReportList output;
	output.ParseFromArray(bytes.data(), bytes.size());
	EXPECT_TRUE(output.reports_size() > 0);
	auto uidmap = output.reports(0).uid_map();
	EXPECT_TRUE(uidmap.snapshots_size() > 0);
	EXPECT_EQ(2, uidmap.snapshots(0).package_info_size());
	}

	TEST(StatsLogProcessorTest, TestEmptyConfigHasNoUidMap) {
	// Setup simple config key corresponding to empty config.
	sp<UidMap> m = new UidMap();
	sp<StatsPullerManager> pullerManager = new StatsPullerManager();
	m->updateMap(1, {1, 2}, {1, 2}, {String16("v1"), String16("v2")},
	{String16("p1"), String16("p2")}, {String16(""), String16("")});
	sp<AlarmMonitor> anomalyAlarmMonitor;
	sp<AlarmMonitor> subscriberAlarmMonitor;
	int broadcastCount = 0;
	StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
	[&broadcastCount](const ConfigKey& key) {
	broadcastCount++;
	return true;
	});
	ConfigKey key(3, 4);
	StatsdConfig config = MakeConfig(false);
	p.OnConfigUpdated(0, key, config);

	// Expect to get no metrics, but snapshot specified above in uidmap.
	vector<uint8_t> bytes;
	p.onDumpReport(key, 1, false, true, ADB_DUMP, &bytes);

	ConfigMetricsReportList output;
	output.ParseFromArray(bytes.data(), bytes.size());
	EXPECT_TRUE(output.reports_size() > 0);
	EXPECT_FALSE(output.reports(0).has_uid_map());
	}

	TEST(StatsLogProcessorTest, TestReportIncludesSubConfig) {
	// Setup simple config key corresponding to empty config.
	sp<UidMap> m = new UidMap();
	sp<StatsPullerManager> pullerManager = new StatsPullerManager();
	sp<AlarmMonitor> anomalyAlarmMonitor;
	sp<AlarmMonitor> subscriberAlarmMonitor;
	int broadcastCount = 0;
	StatsLogProcessor p(m, pullerManager, anomalyAlarmMonitor, subscriberAlarmMonitor, 0,
	[&broadcastCount](const ConfigKey& key) {
	broadcastCount++;
	return true;
	});
	ConfigKey key(3, 4);
	StatsdConfig config;
	auto annotation = config.add_annotation();
	annotation->set_field_int64(1);
	annotation->set_field_int32(2);
	config.add_allowed_log_source("AID_ROOT");
	p.OnConfigUpdated(1, key, config);

	// Expect to get no metrics, but snapshot specified above in uidmap.
	vector<uint8_t> bytes;
	p.onDumpReport(key, 1, false, true, ADB_DUMP, &bytes);

	ConfigMetricsReportList output;
	output.ParseFromArray(bytes.data(), bytes.size());
	EXPECT_TRUE(output.reports_size() > 0);
	auto report = output.reports(0);
	EXPECT_EQ(1, report.annotation_size());
	EXPECT_EQ(1, report.annotation(0).field_int64());
	EXPECT_EQ(2, report.annotation(0).field_int32());
	}

	TEST(StatsLogProcessorTest, TestOnDumpReportEraseData) {
	// Setup a simple config.
	StatsdConfig config;
	config.add_allowed_log_source("AID_ROOT"); // LogEvent defaults to UID of root.
	auto wakelockAcquireMatcher = CreateAcquireWakelockAtomMatcher();
	*config.add_atom_matcher() = wakelockAcquireMatcher;

	auto countMetric = config.add_count_metric();
	countMetric->set_id(123456);
	countMetric->set_what(wakelockAcquireMatcher.id());
	countMetric->set_bucket(FIVE_MINUTES);

	ConfigKey cfgKey;
	sp<StatsLogProcessor> processor = CreateStatsLogProcessor(1, 1, config, cfgKey);

	std::vector<AttributionNodeInternal> attributions1 = {CreateAttribution(111, "App1")};
	auto event = CreateAcquireWakelockEvent(attributions1, "wl1", 2);
	processor->OnLogEvent(event.get());

	vector<uint8_t> bytes;
	ConfigMetricsReportList output;

	// Dump report WITHOUT erasing data.
	processor->onDumpReport(cfgKey, 3, true, false /* Do NOT erase data. */, ADB_DUMP, &bytes);
	output.ParseFromArray(bytes.data(), bytes.size());
	EXPECT_EQ(output.reports_size(), 1);
	EXPECT_EQ(output.reports(0).metrics_size(), 1);
	EXPECT_EQ(output.reports(0).metrics(0).count_metrics().data_size(), 1);

	// Dump report WITH erasing data. There should be data since we didn't previously erase it.
	processor->onDumpReport(cfgKey, 4, true, true /* DO erase data. */, ADB_DUMP, &bytes);
	output.ParseFromArray(bytes.data(), bytes.size());
	EXPECT_EQ(output.reports_size(), 1);
	EXPECT_EQ(output.reports(0).metrics_size(), 1);
	EXPECT_EQ(output.reports(0).metrics(0).count_metrics().data_size(), 1);

	// Dump report again. There should be no data since we erased it.
	processor->onDumpReport(cfgKey, 5, true, true /* DO erase data. */, ADB_DUMP, &bytes);
	output.ParseFromArray(bytes.data(), bytes.size());
	// We don't care whether statsd has a report, as long as it has no count metrics in it.
	bool noData = output.reports_size() == 0
	\|\| output.reports(0).metrics_size() == 0
	\|\| output.reports(0).metrics(0).count_metrics().data_size() == 0;
	EXPECT_TRUE(noData);
	}

	#else
	GTEST_LOG_(INFO) << "This test does nothing.\n";
	#endif

	} // namespace statsd
	} // namespace os
	} // namespace android