|  | /* | 
|  | *  Copyright 2016 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #include "api/stats/rtc_stats.h" | 
|  |  | 
|  | #include <cmath> | 
|  | #include <cstdint> | 
|  | #include <cstring> | 
|  | #include <iostream> | 
|  | #include <map> | 
|  | #include <memory> | 
|  | #include <optional> | 
|  | #include <string> | 
|  | #include <vector> | 
|  |  | 
|  | #include "api/stats/attribute.h" | 
|  | #include "api/units/timestamp.h" | 
|  | #include "rtc_base/checks.h" | 
|  | #include "rtc_base/strings/json.h" | 
|  | #include "stats/test/rtc_test_stats.h" | 
|  | #include "test/gtest.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | // JSON stores numbers as floating point numbers with 53 significant bits, which | 
|  | // amounts to about 15.95 decimal digits. Thus, when comparing large numbers | 
|  | // processed by JSON, that's all the precision we should expect. | 
|  | const double JSON_EPSILON = 1e-15; | 
|  |  | 
|  | // We do this since Google Test doesn't support relative error. | 
|  | // This is computed as follows: | 
|  | // If |a - b| / |a| < EPS, then |a - b| < |a| * EPS, so |a| * EPS is the | 
|  | // maximum expected error. | 
|  | double GetExpectedError(const double expected_value) { | 
|  | return JSON_EPSILON * fabs(expected_value); | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  |  | 
|  | class RTCChildStats : public RTCStats { | 
|  | public: | 
|  | WEBRTC_RTCSTATS_DECL(RTCChildStats); | 
|  |  | 
|  | RTCChildStats(const std::string& id, Timestamp timestamp) | 
|  | : RTCStats(id, timestamp) {} | 
|  |  | 
|  | std::optional<int32_t> child_int; | 
|  | }; | 
|  |  | 
|  | WEBRTC_RTCSTATS_IMPL(RTCChildStats, | 
|  | RTCStats, | 
|  | "child-stats", | 
|  | AttributeInit("childInt", &child_int)) | 
|  |  | 
|  | class RTCGrandChildStats : public RTCChildStats { | 
|  | public: | 
|  | WEBRTC_RTCSTATS_DECL(RTCGrandChildStats); | 
|  |  | 
|  | RTCGrandChildStats(const std::string& id, Timestamp timestamp) | 
|  | : RTCChildStats(id, timestamp) {} | 
|  |  | 
|  | std::optional<int32_t> grandchild_int; | 
|  | }; | 
|  |  | 
|  | WEBRTC_RTCSTATS_IMPL(RTCGrandChildStats, | 
|  | RTCChildStats, | 
|  | "grandchild-stats", | 
|  | AttributeInit("grandchildInt", &grandchild_int)) | 
|  |  | 
|  | TEST(RTCStatsTest, RTCStatsAndAttributes) { | 
|  | RTCTestStats stats("testId", Timestamp::Micros(42)); | 
|  | EXPECT_EQ(stats.id(), "testId"); | 
|  | EXPECT_EQ(stats.timestamp().us(), static_cast<int64_t>(42)); | 
|  | std::vector<Attribute> attributes = stats.Attributes(); | 
|  | EXPECT_EQ(attributes.size(), static_cast<size_t>(16)); | 
|  | for (const auto& attribute : attributes) { | 
|  | EXPECT_FALSE(attribute.has_value()); | 
|  | } | 
|  | stats.m_bool = true; | 
|  | stats.m_int32 = 123; | 
|  | stats.m_uint32 = 123; | 
|  | stats.m_int64 = 123; | 
|  | stats.m_uint64 = 123; | 
|  | stats.m_double = 123.0; | 
|  | stats.m_string = std::string("123"); | 
|  |  | 
|  | std::vector<bool> sequence_bool; | 
|  | sequence_bool.push_back(true); | 
|  | std::vector<int32_t> sequence_int32; | 
|  | sequence_int32.push_back(static_cast<int32_t>(1)); | 
|  | std::vector<uint32_t> sequence_uint32; | 
|  | sequence_uint32.push_back(static_cast<uint32_t>(2)); | 
|  | std::vector<int64_t> sequence_int64; | 
|  | sequence_int64.push_back(static_cast<int64_t>(3)); | 
|  | std::vector<uint64_t> sequence_uint64; | 
|  | sequence_uint64.push_back(static_cast<uint64_t>(4)); | 
|  | std::vector<double> sequence_double; | 
|  | sequence_double.push_back(5.0); | 
|  | std::vector<std::string> sequence_string; | 
|  | sequence_string.push_back(std::string("six")); | 
|  |  | 
|  | std::map<std::string, uint64_t> map_string_uint64{{"seven", 8}}; | 
|  | std::map<std::string, double> map_string_double{{"nine", 10.0}}; | 
|  |  | 
|  | stats.m_sequence_bool = sequence_bool; | 
|  | stats.m_sequence_int32 = sequence_int32; | 
|  | stats.m_sequence_uint32 = sequence_uint32; | 
|  | EXPECT_FALSE(stats.m_sequence_int64.has_value()); | 
|  | stats.m_sequence_int64 = sequence_int64; | 
|  | stats.m_sequence_uint64 = sequence_uint64; | 
|  | stats.m_sequence_double = sequence_double; | 
|  | stats.m_sequence_string = sequence_string; | 
|  | stats.m_map_string_uint64 = map_string_uint64; | 
|  | stats.m_map_string_double = map_string_double; | 
|  | for (const auto& attribute : attributes) { | 
|  | EXPECT_TRUE(attribute.has_value()); | 
|  | } | 
|  | EXPECT_EQ(*stats.m_bool, true); | 
|  | EXPECT_EQ(*stats.m_int32, static_cast<int32_t>(123)); | 
|  | EXPECT_EQ(*stats.m_uint32, static_cast<uint32_t>(123)); | 
|  | EXPECT_EQ(*stats.m_int64, static_cast<int64_t>(123)); | 
|  | EXPECT_EQ(*stats.m_uint64, static_cast<uint64_t>(123)); | 
|  | EXPECT_EQ(*stats.m_double, 123.0); | 
|  | EXPECT_EQ(*stats.m_string, std::string("123")); | 
|  | EXPECT_EQ(*stats.m_sequence_bool, sequence_bool); | 
|  | EXPECT_EQ(*stats.m_sequence_int32, sequence_int32); | 
|  | EXPECT_EQ(*stats.m_sequence_uint32, sequence_uint32); | 
|  | EXPECT_EQ(*stats.m_sequence_int64, sequence_int64); | 
|  | EXPECT_EQ(*stats.m_sequence_uint64, sequence_uint64); | 
|  | EXPECT_EQ(*stats.m_sequence_double, sequence_double); | 
|  | EXPECT_EQ(*stats.m_sequence_string, sequence_string); | 
|  | EXPECT_EQ(*stats.m_map_string_uint64, map_string_uint64); | 
|  | EXPECT_EQ(*stats.m_map_string_double, map_string_double); | 
|  |  | 
|  | int32_t numbers[] = {4, 8, 15, 16, 23, 42}; | 
|  | std::vector<int32_t> numbers_sequence(&numbers[0], &numbers[6]); | 
|  | stats.m_sequence_int32->clear(); | 
|  | stats.m_sequence_int32->insert(stats.m_sequence_int32->end(), | 
|  | numbers_sequence.begin(), | 
|  | numbers_sequence.end()); | 
|  | EXPECT_EQ(*stats.m_sequence_int32, numbers_sequence); | 
|  | } | 
|  |  | 
|  | TEST(RTCStatsTest, EqualityOperator) { | 
|  | RTCTestStats empty_stats("testId", Timestamp::Micros(123)); | 
|  | EXPECT_EQ(empty_stats, empty_stats); | 
|  |  | 
|  | RTCTestStats stats_with_all_values = empty_stats; | 
|  | stats_with_all_values.m_bool = true; | 
|  | stats_with_all_values.m_int32 = 123; | 
|  | stats_with_all_values.m_uint32 = 123; | 
|  | stats_with_all_values.m_int64 = 123; | 
|  | stats_with_all_values.m_uint64 = 123; | 
|  | stats_with_all_values.m_double = 123.0; | 
|  | stats_with_all_values.m_string = "123"; | 
|  | stats_with_all_values.m_sequence_bool = std::vector<bool>(); | 
|  | stats_with_all_values.m_sequence_int32 = std::vector<int32_t>(); | 
|  | stats_with_all_values.m_sequence_uint32 = std::vector<uint32_t>(); | 
|  | stats_with_all_values.m_sequence_int64 = std::vector<int64_t>(); | 
|  | stats_with_all_values.m_sequence_uint64 = std::vector<uint64_t>(); | 
|  | stats_with_all_values.m_sequence_double = std::vector<double>(); | 
|  | stats_with_all_values.m_sequence_string = std::vector<std::string>(); | 
|  | stats_with_all_values.m_map_string_uint64 = std::map<std::string, uint64_t>(); | 
|  | stats_with_all_values.m_map_string_double = std::map<std::string, double>(); | 
|  | EXPECT_NE(stats_with_all_values, empty_stats); | 
|  | EXPECT_EQ(stats_with_all_values, stats_with_all_values); | 
|  | EXPECT_NE(stats_with_all_values.GetAttribute(stats_with_all_values.m_int32), | 
|  | stats_with_all_values.GetAttribute(stats_with_all_values.m_uint32)); | 
|  |  | 
|  | RTCTestStats one_member_different[] = { | 
|  | stats_with_all_values, stats_with_all_values, stats_with_all_values, | 
|  | stats_with_all_values, stats_with_all_values, stats_with_all_values, | 
|  | stats_with_all_values, stats_with_all_values, stats_with_all_values, | 
|  | stats_with_all_values, stats_with_all_values, stats_with_all_values, | 
|  | stats_with_all_values, stats_with_all_values, | 
|  | }; | 
|  | for (size_t i = 0; i < 14; ++i) { | 
|  | EXPECT_EQ(stats_with_all_values, one_member_different[i]); | 
|  | } | 
|  | one_member_different[0].m_bool = false; | 
|  | one_member_different[1].m_int32 = 321; | 
|  | one_member_different[2].m_uint32 = 321; | 
|  | one_member_different[3].m_int64 = 321; | 
|  | one_member_different[4].m_uint64 = 321; | 
|  | one_member_different[5].m_double = 321.0; | 
|  | one_member_different[6].m_string = "321"; | 
|  | one_member_different[7].m_sequence_bool->push_back(false); | 
|  | one_member_different[8].m_sequence_int32->push_back(321); | 
|  | one_member_different[9].m_sequence_uint32->push_back(321); | 
|  | one_member_different[10].m_sequence_int64->push_back(321); | 
|  | one_member_different[11].m_sequence_uint64->push_back(321); | 
|  | one_member_different[12].m_sequence_double->push_back(321.0); | 
|  | one_member_different[13].m_sequence_string->push_back("321"); | 
|  | (*one_member_different[13].m_map_string_uint64)["321"] = 321; | 
|  | (*one_member_different[13].m_map_string_double)["321"] = 321.0; | 
|  | for (size_t i = 0; i < 14; ++i) { | 
|  | EXPECT_NE(stats_with_all_values, one_member_different[i]); | 
|  | } | 
|  |  | 
|  | RTCTestStats empty_stats_different_id("testId2", Timestamp::Micros(123)); | 
|  | EXPECT_NE(empty_stats, empty_stats_different_id); | 
|  | RTCTestStats empty_stats_different_timestamp("testId", | 
|  | Timestamp::Micros(321)); | 
|  | EXPECT_EQ(empty_stats, empty_stats_different_timestamp); | 
|  |  | 
|  | RTCChildStats child("childId", Timestamp::Micros(42)); | 
|  | RTCGrandChildStats grandchild("grandchildId", Timestamp::Micros(42)); | 
|  | EXPECT_NE(child, grandchild); | 
|  |  | 
|  | RTCChildStats stats_with_defined_member("leId", Timestamp::Micros(0)); | 
|  | stats_with_defined_member.child_int = 0; | 
|  | RTCChildStats stats_with_undefined_member("leId", Timestamp::Micros(0)); | 
|  | EXPECT_NE(stats_with_defined_member, stats_with_undefined_member); | 
|  | EXPECT_NE(stats_with_undefined_member, stats_with_defined_member); | 
|  | } | 
|  |  | 
|  | TEST(RTCStatsTest, RTCStatsGrandChild) { | 
|  | RTCGrandChildStats stats("grandchild", Timestamp::Micros(0.0)); | 
|  | stats.child_int = 1; | 
|  | stats.grandchild_int = 2; | 
|  | int32_t sum = 0; | 
|  | for (const auto& attribute : stats.Attributes()) { | 
|  | sum += attribute.get<int32_t>(); | 
|  | } | 
|  | EXPECT_EQ(sum, static_cast<int32_t>(3)); | 
|  |  | 
|  | std::unique_ptr<RTCStats> copy_ptr = stats.copy(); | 
|  | const RTCGrandChildStats& copy = copy_ptr->cast_to<RTCGrandChildStats>(); | 
|  | EXPECT_EQ(*copy.child_int, *stats.child_int); | 
|  | EXPECT_EQ(*copy.grandchild_int, *stats.grandchild_int); | 
|  | } | 
|  |  | 
|  | TEST(RTCStatsTest, RTCStatsPrintsValidJson) { | 
|  | std::string id = "statsId"; | 
|  | int timestamp = 42; | 
|  | bool m_bool = true; | 
|  | int m_int32 = 123; | 
|  | int64_t m_int64 = 1234567890123456499L; | 
|  | double m_double = 123.4567890123456499; | 
|  | std::string m_string = "123"; | 
|  |  | 
|  | std::vector<bool> sequence_bool; | 
|  | std::vector<int32_t> sequence_int32; | 
|  | sequence_int32.push_back(static_cast<int32_t>(1)); | 
|  | std::vector<int64_t> sequence_int64; | 
|  | sequence_int64.push_back(static_cast<int64_t>(-1234567890123456499L)); | 
|  | sequence_int64.push_back(static_cast<int64_t>(1)); | 
|  | sequence_int64.push_back(static_cast<int64_t>(1234567890123456499L)); | 
|  | std::vector<double> sequence_double; | 
|  | sequence_double.push_back(123.4567890123456499); | 
|  | sequence_double.push_back(1234567890123.456499); | 
|  | std::vector<std::string> sequence_string; | 
|  | sequence_string.push_back(std::string("four")); | 
|  |  | 
|  | std::map<std::string, uint64_t> map_string_uint64{ | 
|  | {"long", static_cast<uint64_t>(1234567890123456499L)}}; | 
|  | std::map<std::string, double> map_string_double{ | 
|  | {"three", 123.4567890123456499}, {"thirteen", 123.4567890123456499}}; | 
|  |  | 
|  | RTCTestStats stats(id, Timestamp::Micros(timestamp)); | 
|  | stats.m_bool = m_bool; | 
|  | stats.m_int32 = m_int32; | 
|  | stats.m_int64 = m_int64; | 
|  | stats.m_double = m_double; | 
|  | stats.m_string = m_string; | 
|  | stats.m_sequence_bool = sequence_bool; | 
|  | stats.m_sequence_int32 = sequence_int32; | 
|  | stats.m_sequence_int64 = sequence_int64; | 
|  | stats.m_sequence_double = sequence_double; | 
|  | stats.m_sequence_string = sequence_string; | 
|  | stats.m_map_string_uint64 = map_string_uint64; | 
|  | stats.m_map_string_double = map_string_double; | 
|  | std::string json_stats = stats.ToJson(); | 
|  |  | 
|  | Json::CharReaderBuilder builder; | 
|  | Json::Value json_output; | 
|  | std::unique_ptr<Json::CharReader> json_reader(builder.newCharReader()); | 
|  | EXPECT_TRUE(json_reader->parse(json_stats.c_str(), | 
|  | json_stats.c_str() + json_stats.size(), | 
|  | &json_output, nullptr)); | 
|  |  | 
|  | EXPECT_TRUE(GetStringFromJsonObject(json_output, "id", &id)); | 
|  | EXPECT_TRUE(GetIntFromJsonObject(json_output, "timestamp", ×tamp)); | 
|  | EXPECT_TRUE(GetBoolFromJsonObject(json_output, "mBool", &m_bool)); | 
|  | EXPECT_TRUE(GetIntFromJsonObject(json_output, "mInt32", &m_int32)); | 
|  | EXPECT_TRUE(GetDoubleFromJsonObject(json_output, "mDouble", &m_double)); | 
|  | EXPECT_TRUE(GetStringFromJsonObject(json_output, "mString", &m_string)); | 
|  |  | 
|  | Json::Value json_array; | 
|  |  | 
|  | EXPECT_TRUE( | 
|  | GetValueFromJsonObject(json_output, "mSequenceBool", &json_array)); | 
|  | EXPECT_TRUE(JsonArrayToBoolVector(json_array, &sequence_bool)); | 
|  |  | 
|  | EXPECT_TRUE( | 
|  | GetValueFromJsonObject(json_output, "mSequenceInt32", &json_array)); | 
|  | EXPECT_TRUE(JsonArrayToIntVector(json_array, &sequence_int32)); | 
|  |  | 
|  | EXPECT_TRUE( | 
|  | GetValueFromJsonObject(json_output, "mSequenceDouble", &json_array)); | 
|  | EXPECT_TRUE(JsonArrayToDoubleVector(json_array, &sequence_double)); | 
|  |  | 
|  | EXPECT_TRUE( | 
|  | GetValueFromJsonObject(json_output, "mSequenceString", &json_array)); | 
|  | EXPECT_TRUE(JsonArrayToStringVector(json_array, &sequence_string)); | 
|  |  | 
|  | Json::Value json_map; | 
|  | EXPECT_TRUE( | 
|  | GetValueFromJsonObject(json_output, "mMapStringDouble", &json_map)); | 
|  | for (const auto& entry : map_string_double) { | 
|  | double double_output = 0.0; | 
|  | EXPECT_TRUE(GetDoubleFromJsonObject(json_map, entry.first, &double_output)); | 
|  | EXPECT_NEAR(double_output, entry.second, GetExpectedError(entry.second)); | 
|  | } | 
|  |  | 
|  | EXPECT_EQ(id, stats.id()); | 
|  | EXPECT_EQ(timestamp, stats.timestamp().us()); | 
|  | EXPECT_EQ(m_bool, *stats.m_bool); | 
|  | EXPECT_EQ(m_int32, *stats.m_int32); | 
|  | EXPECT_EQ(m_string, *stats.m_string); | 
|  | EXPECT_EQ(sequence_bool, *stats.m_sequence_bool); | 
|  | EXPECT_EQ(sequence_int32, *stats.m_sequence_int32); | 
|  | EXPECT_EQ(sequence_string, *stats.m_sequence_string); | 
|  | EXPECT_EQ(map_string_double, *stats.m_map_string_double); | 
|  |  | 
|  | EXPECT_NEAR(m_double, *stats.m_double, GetExpectedError(*stats.m_double)); | 
|  |  | 
|  | EXPECT_EQ(sequence_double.size(), stats.m_sequence_double->size()); | 
|  | for (size_t i = 0; i < stats.m_sequence_double->size(); ++i) { | 
|  | EXPECT_NEAR(sequence_double[i], stats.m_sequence_double->at(i), | 
|  | GetExpectedError(stats.m_sequence_double->at(i))); | 
|  | } | 
|  |  | 
|  | EXPECT_EQ(map_string_double.size(), stats.m_map_string_double->size()); | 
|  | for (const auto& entry : map_string_double) { | 
|  | auto it = stats.m_map_string_double->find(entry.first); | 
|  | EXPECT_NE(it, stats.m_map_string_double->end()); | 
|  | EXPECT_NEAR(entry.second, it->second, GetExpectedError(it->second)); | 
|  | } | 
|  |  | 
|  | // We read mInt64 as double since JSON stores all numbers as doubles, so there | 
|  | // is not enough precision to represent large numbers. | 
|  | double m_int64_as_double; | 
|  | std::vector<double> sequence_int64_as_double; | 
|  |  | 
|  | EXPECT_TRUE( | 
|  | GetDoubleFromJsonObject(json_output, "mInt64", &m_int64_as_double)); | 
|  |  | 
|  | EXPECT_TRUE( | 
|  | GetValueFromJsonObject(json_output, "mSequenceInt64", &json_array)); | 
|  | EXPECT_TRUE(JsonArrayToDoubleVector(json_array, &sequence_int64_as_double)); | 
|  |  | 
|  | double stats_m_int64_as_double = static_cast<double>(*stats.m_int64); | 
|  | EXPECT_NEAR(m_int64_as_double, stats_m_int64_as_double, | 
|  | GetExpectedError(stats_m_int64_as_double)); | 
|  |  | 
|  | EXPECT_EQ(sequence_int64_as_double.size(), stats.m_sequence_int64->size()); | 
|  | for (size_t i = 0; i < stats.m_sequence_int64->size(); ++i) { | 
|  | const double stats_value_as_double = | 
|  | static_cast<double>((*stats.m_sequence_int64)[i]); | 
|  | EXPECT_NEAR(sequence_int64_as_double[i], stats_value_as_double, | 
|  | GetExpectedError(stats_value_as_double)); | 
|  | } | 
|  |  | 
|  | // Similarly, read Uint64 as double | 
|  | EXPECT_TRUE( | 
|  | GetValueFromJsonObject(json_output, "mMapStringUint64", &json_map)); | 
|  | for (const auto& entry : map_string_uint64) { | 
|  | const double stats_value_as_double = | 
|  | static_cast<double>((*stats.m_map_string_uint64)[entry.first]); | 
|  | double double_output = 0.0; | 
|  | EXPECT_TRUE(GetDoubleFromJsonObject(json_map, entry.first, &double_output)); | 
|  | EXPECT_NEAR(double_output, stats_value_as_double, | 
|  | GetExpectedError(stats_value_as_double)); | 
|  | } | 
|  |  | 
|  | // Neither stats.m_uint32 nor stats.m_uint64 are defined, so "mUint64" and | 
|  | // "mUint32" should not be part of the generated JSON object. | 
|  | int m_uint32; | 
|  | int m_uint64; | 
|  | EXPECT_FALSE(stats.m_uint32.has_value()); | 
|  | EXPECT_FALSE(stats.m_uint64.has_value()); | 
|  | EXPECT_FALSE(GetIntFromJsonObject(json_output, "mUint32", &m_uint32)); | 
|  | EXPECT_FALSE(GetIntFromJsonObject(json_output, "mUint64", &m_uint64)); | 
|  |  | 
|  | std::cout << stats.ToJson() << std::endl; | 
|  | } | 
|  |  | 
|  | TEST(RTCStatsTest, IsSequence) { | 
|  | RTCTestStats stats("statsId", Timestamp::Micros(42)); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_bool).is_sequence()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_int32).is_sequence()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_uint32).is_sequence()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_int64).is_sequence()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_uint64).is_sequence()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_double).is_sequence()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_string).is_sequence()); | 
|  | EXPECT_TRUE(stats.GetAttribute(stats.m_sequence_bool).is_sequence()); | 
|  | EXPECT_TRUE(stats.GetAttribute(stats.m_sequence_int32).is_sequence()); | 
|  | EXPECT_TRUE(stats.GetAttribute(stats.m_sequence_uint32).is_sequence()); | 
|  | EXPECT_TRUE(stats.GetAttribute(stats.m_sequence_int64).is_sequence()); | 
|  | EXPECT_TRUE(stats.GetAttribute(stats.m_sequence_uint64).is_sequence()); | 
|  | EXPECT_TRUE(stats.GetAttribute(stats.m_sequence_double).is_sequence()); | 
|  | EXPECT_TRUE(stats.GetAttribute(stats.m_sequence_string).is_sequence()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_map_string_uint64).is_sequence()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_map_string_double).is_sequence()); | 
|  | } | 
|  |  | 
|  | TEST(RTCStatsTest, IsString) { | 
|  | RTCTestStats stats("statsId", Timestamp::Micros(42)); | 
|  | EXPECT_TRUE(stats.GetAttribute(stats.m_string).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_bool).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_int32).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_uint32).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_int64).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_uint64).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_double).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_sequence_bool).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_sequence_int32).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_sequence_uint32).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_sequence_int64).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_sequence_uint64).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_sequence_double).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_sequence_string).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_map_string_uint64).is_string()); | 
|  | EXPECT_FALSE(stats.GetAttribute(stats.m_map_string_double).is_string()); | 
|  | } | 
|  |  | 
|  | TEST(RTCStatsTest, AttributeToString) { | 
|  | RTCTestStats stats("statsId", Timestamp::Micros(42)); | 
|  | stats.m_bool = true; | 
|  | EXPECT_EQ("true", stats.GetAttribute(stats.m_bool).ToString()); | 
|  |  | 
|  | stats.m_string = "foo"; | 
|  | EXPECT_EQ("foo", stats.GetAttribute(stats.m_string).ToString()); | 
|  | stats.m_int32 = -32; | 
|  | EXPECT_EQ("-32", stats.GetAttribute(stats.m_int32).ToString()); | 
|  | stats.m_uint32 = 32; | 
|  | EXPECT_EQ("32", stats.GetAttribute(stats.m_uint32).ToString()); | 
|  | stats.m_int64 = -64; | 
|  | EXPECT_EQ("-64", stats.GetAttribute(stats.m_int64).ToString()); | 
|  | stats.m_uint64 = 64; | 
|  | EXPECT_EQ("64", stats.GetAttribute(stats.m_uint64).ToString()); | 
|  | stats.m_double = 0.5; | 
|  | EXPECT_EQ("0.5", stats.GetAttribute(stats.m_double).ToString()); | 
|  | stats.m_sequence_bool = {true, false}; | 
|  | EXPECT_EQ("[true,false]", | 
|  | stats.GetAttribute(stats.m_sequence_bool).ToString()); | 
|  | stats.m_sequence_int32 = {-32, 32}; | 
|  | EXPECT_EQ("[-32,32]", stats.GetAttribute(stats.m_sequence_int32).ToString()); | 
|  | stats.m_sequence_uint32 = {64, 32}; | 
|  | EXPECT_EQ("[64,32]", stats.GetAttribute(stats.m_sequence_uint32).ToString()); | 
|  | stats.m_sequence_int64 = {-64, 32}; | 
|  | EXPECT_EQ("[-64,32]", stats.GetAttribute(stats.m_sequence_int64).ToString()); | 
|  | stats.m_sequence_uint64 = {16, 32}; | 
|  | EXPECT_EQ("[16,32]", stats.GetAttribute(stats.m_sequence_uint64).ToString()); | 
|  | stats.m_sequence_double = {0.5, 0.25}; | 
|  | EXPECT_EQ("[0.5,0.25]", | 
|  | stats.GetAttribute(stats.m_sequence_double).ToString()); | 
|  | stats.m_sequence_string = {"foo", "bar"}; | 
|  | EXPECT_EQ("[\"foo\",\"bar\"]", | 
|  | stats.GetAttribute(stats.m_sequence_string).ToString()); | 
|  | stats.m_map_string_uint64 = std::map<std::string, uint64_t>(); | 
|  | stats.m_map_string_uint64->emplace("foo", 32); | 
|  | stats.m_map_string_uint64->emplace("bar", 64); | 
|  | EXPECT_EQ("{\"bar\":64,\"foo\":32}", | 
|  | stats.GetAttribute(stats.m_map_string_uint64).ToString()); | 
|  | stats.m_map_string_double = std::map<std::string, double>(); | 
|  | stats.m_map_string_double->emplace("foo", 0.5); | 
|  | stats.m_map_string_double->emplace("bar", 0.25); | 
|  | EXPECT_EQ("{\"bar\":0.25,\"foo\":0.5}", | 
|  | stats.GetAttribute(stats.m_map_string_double).ToString()); | 
|  | } | 
|  |  | 
|  | TEST(RTCStatsTest, SetTimestamp) { | 
|  | RTCTestStats test_stats("testId", Timestamp::Micros(123)); | 
|  | test_stats.set_timestamp(Timestamp::Micros(321)); | 
|  | EXPECT_EQ(test_stats.timestamp(), Timestamp::Micros(321)); | 
|  | } | 
|  |  | 
|  | // Death tests. | 
|  | // Disabled on Android because death tests misbehave on Android, see | 
|  | // base/test/gtest_util.h. | 
|  | #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) | 
|  |  | 
|  | TEST(RTCStatsDeathTest, ValueOfUndefinedMember) { | 
|  | RTCTestStats stats("testId", Timestamp::Micros(0)); | 
|  | EXPECT_FALSE(stats.m_int32.has_value()); | 
|  | EXPECT_DEATH(*stats.m_int32, ""); | 
|  | } | 
|  |  | 
|  | TEST(RTCStatsDeathTest, InvalidCasting) { | 
|  | RTCGrandChildStats stats("grandchild", Timestamp::Micros(0.0)); | 
|  | EXPECT_DEATH(stats.cast_to<RTCChildStats>(), ""); | 
|  | } | 
|  |  | 
|  | #endif  // RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) | 
|  |  | 
|  | }  // namespace webrtc |