clang-tidy: modernize-use-default-member-init (envoyproxy#7745)

Signed-off-by: Derek Argueta <dereka@pinterest.com>
jaychenatr · Jul 29, 2019 · 26ba5ae · 26ba5ae
1 parent a609257
commit 26ba5ae
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Showing 17 changed files with 40 additions and 46 deletions.
diff --git a/.clang-tidy b/.clang-tidy
@@ -23,6 +23,7 @@ WarningsAsErrors: 'abseil-duration-*,
                    modernize-make-shared,
                    modernize-make-unique,
                    modernize-return-braced-init-list,
+                   modernize-use-default-member-init,
                    modernize-use-equals-default,
                    modernize-use-override,
                    modernize-use-using,

diff --git a/source/common/filesystem/posix/directory_iterator_impl.h b/source/common/filesystem/posix/directory_iterator_impl.h
@@ -12,8 +12,7 @@ namespace Filesystem {
 class DirectoryIteratorImpl : public DirectoryIterator {
 public:
   DirectoryIteratorImpl(const std::string& directory_path);
-  DirectoryIteratorImpl()
-      : directory_path_(""), dir_(nullptr), os_sys_calls_(Api::OsSysCallsSingleton::get()) {}
+  DirectoryIteratorImpl() : directory_path_(""), os_sys_calls_(Api::OsSysCallsSingleton::get()) {}
 
   ~DirectoryIteratorImpl() override;
 
@@ -32,7 +31,7 @@ class DirectoryIteratorImpl : public DirectoryIterator {
   FileType fileType(const std::string& name) const;
 
   std::string directory_path_;
-  DIR* dir_;
+  DIR* dir_{nullptr};
   Api::OsSysCallsImpl& os_sys_calls_;
 };
 

diff --git a/source/common/grpc/google_async_client_impl.h b/source/common/grpc/google_async_client_impl.h
@@ -237,10 +237,10 @@ class GoogleAsyncStreamImpl : public RawAsyncStream,
   struct PendingMessage {
     PendingMessage(Buffer::InstancePtr request, bool end_stream);
     // End-of-stream with no additional message.
-    PendingMessage() : end_stream_(true) {}
+    PendingMessage() = default;
 
     const absl::optional<grpc::ByteBuffer> buf_;
-    const bool end_stream_;
+    const bool end_stream_{true};
   };
 
   GoogleAsyncTag init_tag_{*this, GoogleAsyncTag::Operation::Init};

diff --git a/source/common/signal/signal_action.h b/source/common/signal/signal_action.h
@@ -53,7 +53,7 @@ class SignalAction : NonCopyable {
 public:
   SignalAction()
       : guard_size_(sysconf(_SC_PAGE_SIZE)),
-        altstack_size_(std::max(guard_size_ * 4, static_cast<size_t>(MINSIGSTKSZ))), altstack_() {
+        altstack_size_(std::max(guard_size_ * 4, static_cast<size_t>(MINSIGSTKSZ))) {
     mapAndProtectStackMemory();
     installSigHandlers();
   }

diff --git a/source/common/stats/stats_matcher_impl.h b/source/common/stats/stats_matcher_impl.h
@@ -21,7 +21,7 @@ class StatsMatcherImpl : public StatsMatcher {
   explicit StatsMatcherImpl(const envoy::config::metrics::v2::StatsConfig& config);
 
   // Default constructor simply allows everything.
-  StatsMatcherImpl() : is_inclusive_(true) {}
+  StatsMatcherImpl() = default;
 
   // StatsMatcher
   bool rejects(const std::string& name) const override;
@@ -31,7 +31,7 @@ class StatsMatcherImpl : public StatsMatcher {
 private:
   // Bool indicating whether or not the StatsMatcher is including or excluding stats by default. See
   // StatsMatcherImpl::rejects() for much more detail.
-  bool is_inclusive_;
+  bool is_inclusive_{true};
 
   std::vector<Matchers::StringMatcher> matchers_;
 };

diff --git a/source/common/stats/symbol_table_impl.h b/source/common/stats/symbol_table_impl.h
@@ -310,7 +310,7 @@ class StatName {
   explicit StatName(const SymbolTable::Storage size_and_data) : size_and_data_(size_and_data) {}
 
   // Constructs an empty StatName object.
-  StatName() : size_and_data_(nullptr) {}
+  StatName() = default;
 
   // Constructs a StatName object with new storage, which must be of size
   // src.size(). This is used in the a flow where we first construct a StatName
@@ -365,7 +365,7 @@ class StatName {
   bool empty() const { return size_and_data_ == nullptr || dataSize() == 0; }
 
 private:
-  const uint8_t* size_and_data_;
+  const uint8_t* size_and_data_{nullptr};
 };
 
 StatName StatNameStorage::statName() const { return StatName(bytes_.get()); }

diff --git a/source/extensions/filters/network/kafka/serialization.h b/source/extensions/filters/network/kafka/serialization.h
@@ -60,7 +60,7 @@ template <typename T> class Deserializer {
  */
 template <typename T> class IntDeserializer : public Deserializer<T> {
 public:
-  IntDeserializer() : written_{0}, ready_(false){};
+  IntDeserializer() : written_{0} {};
 
   uint32_t feed(absl::string_view& data) override {
     const uint32_t available = std::min<uint32_t>(sizeof(buf_) - written_, data.size());

diff --git a/source/extensions/tracers/zipkin/span_context.h b/source/extensions/tracers/zipkin/span_context.h
@@ -20,7 +20,7 @@ class SpanContext {
   /**
    * Default constructor. Creates an empty context.
    */
-  SpanContext() : trace_id_high_(0), trace_id_(0), id_(0), parent_id_(0), sampled_(false) {}
+  SpanContext() = default;
 
   /**
    * Constructor that creates a context object from the supplied trace, span and
@@ -75,11 +75,11 @@ class SpanContext {
   bool sampled() const { return sampled_; }
 
 private:
-  const uint64_t trace_id_high_;
-  const uint64_t trace_id_;
-  const uint64_t id_;
-  const uint64_t parent_id_;
-  const bool sampled_;
+  const uint64_t trace_id_high_{0};
+  const uint64_t trace_id_{0};
+  const uint64_t id_{0};
+  const uint64_t parent_id_{0};
+  const bool sampled_{false};
 };
 
 } // namespace Zipkin

diff --git a/source/extensions/tracers/zipkin/zipkin_core_types.h b/source/extensions/tracers/zipkin/zipkin_core_types.h
@@ -118,7 +118,7 @@ class Annotation : public ZipkinBase {
   /**
    * Default constructor. Creates an empty annotation.
    */
-  Annotation() : timestamp_(0) {}
+  Annotation() = default;
 
   /**
    * Constructor that creates an annotation based on the given parameters.
@@ -187,7 +187,7 @@ class Annotation : public ZipkinBase {
   const std::string toJson() override;
 
 private:
-  uint64_t timestamp_;
+  uint64_t timestamp_{0};
   std::string value_;
   absl::optional<Endpoint> endpoint_;
 };

diff --git a/test/common/common/lock_guard_test.cc b/test/common/common/lock_guard_test.cc
@@ -8,10 +8,10 @@ namespace Thread {
 
 class ThreadTest : public testing::Test {
 protected:
-  ThreadTest() : a_(0), b_(0) {}
-  int a_ GUARDED_BY(a_mutex_);
+  ThreadTest() = default;
+  int a_ GUARDED_BY(a_mutex_){0};
   MutexBasicLockable a_mutex_;
-  int b_;
+  int b_{0};
 };
 
 TEST_F(ThreadTest, TestLockGuard) {

diff --git a/test/common/event/dispatcher_impl_test.cc b/test/common/event/dispatcher_impl_test.cc
@@ -67,9 +67,7 @@ TEST(DeferredDeleteTest, DeferredDelete) {
 
 class DispatcherImplTest : public testing::Test {
 protected:
-  DispatcherImplTest()
-      : api_(Api::createApiForTest()), dispatcher_(api_->allocateDispatcher()),
-        work_finished_(false) {
+  DispatcherImplTest() : api_(Api::createApiForTest()), dispatcher_(api_->allocateDispatcher()) {
     dispatcher_thread_ = api_->threadFactory().createThread([this]() {
       // Must create a keepalive timer to keep the dispatcher from exiting.
       std::chrono::milliseconds time_interval(500);
@@ -93,7 +91,7 @@ class DispatcherImplTest : public testing::Test {
   Thread::MutexBasicLockable mu_;
   Thread::CondVar cv_;
 
-  bool work_finished_;
+  bool work_finished_{false};
   TimerPtr keepalive_timer_;
 };
 

diff --git a/test/common/upstream/eds_test.cc b/test/common/upstream/eds_test.cc
@@ -1658,7 +1658,7 @@ TEST_F(EdsTest, MalformedIP) {
 
 class EdsAssignmentTimeoutTest : public EdsTest {
 public:
-  EdsAssignmentTimeoutTest() : interval_timer_(nullptr) {
+  EdsAssignmentTimeoutTest() {
     EXPECT_CALL(dispatcher_, createTimer_(_))
         .WillOnce(Invoke([this](Event::TimerCb cb) {
           timer_cb_ = cb;
@@ -1671,7 +1671,7 @@ class EdsAssignmentTimeoutTest : public EdsTest {
     resetCluster();
   }
 
-  Event::MockTimer* interval_timer_;
+  Event::MockTimer* interval_timer_{nullptr};
   Event::TimerCb timer_cb_;
 };
 

diff --git a/test/exe/main_common_test.cc b/test/exe/main_common_test.cc
@@ -147,11 +147,7 @@ INSTANTIATE_TEST_SUITE_P(IpVersions, MainCommonTest,
 
 class AdminRequestTest : public MainCommonTest {
 protected:
-  AdminRequestTest()
-      : envoy_return_(false), envoy_started_(false), envoy_finished_(false),
-        pause_before_run_(false), pause_after_run_(false) {
-    addArg("--disable-hot-restart");
-  }
+  AdminRequestTest() { addArg("--disable-hot-restart"); }
 
   // Runs an admin request specified in path, blocking until completion, and
   // returning the response body.
@@ -234,11 +230,11 @@ class AdminRequestTest : public MainCommonTest {
   absl::Notification finished_;
   absl::Notification resume_;
   absl::Notification pause_point_;
-  bool envoy_return_;
-  bool envoy_started_;
-  bool envoy_finished_;
-  bool pause_before_run_;
-  bool pause_after_run_;
+  bool envoy_return_{false};
+  bool envoy_started_{false};
+  bool envoy_finished_{false};
+  bool pause_before_run_{false};
+  bool pause_after_run_{false};
 };
 
 TEST_P(AdminRequestTest, AdminRequestGetStatsAndQuit) {

diff --git a/test/extensions/quic_listeners/quiche/envoy_quic_alarm_test.cc b/test/extensions/quic_listeners/quiche/envoy_quic_alarm_test.cc
@@ -16,7 +16,7 @@ namespace Quic {
 
 class TestDelegate : public quic::QuicAlarm::Delegate {
 public:
-  TestDelegate() : fired_(false) {}
+  TestDelegate() = default;
 
   // quic::QuicAlarm::Delegate
   void OnAlarm() override { fired_ = true; }
@@ -25,7 +25,7 @@ class TestDelegate : public quic::QuicAlarm::Delegate {
   void set_fired(bool fired) { fired_ = fired; }
 
 private:
-  bool fired_;
+  bool fired_{false};
 };
 
 class EnvoyQuicAlarmTest : public ::testing::Test {

diff --git a/test/extensions/quic_listeners/quiche/platform/quic_mock_log_impl.h b/test/extensions/quic_listeners/quiche/platform/quic_mock_log_impl.h
@@ -19,7 +19,7 @@ namespace quic {
 // destruction(or StopCapturingLogs()).
 class QuicEnvoyMockLog : public QuicLogSink {
 public:
-  QuicEnvoyMockLog() : is_capturing_(false) {}
+  QuicEnvoyMockLog() = default;
 
   ~QuicEnvoyMockLog() override {
     if (is_capturing_) {
@@ -43,7 +43,7 @@ class QuicEnvoyMockLog : public QuicLogSink {
 
 private:
   QuicLogSink* original_sink_;
-  bool is_capturing_;
+  bool is_capturing_{false};
 };
 
 // ScopedDisableExitOnDFatal is used to disable exiting the program when we encounter a

diff --git a/test/integration/sds_dynamic_integration_test.cc b/test/integration/sds_dynamic_integration_test.cc
@@ -239,7 +239,7 @@ TEST_P(SdsDynamicDownstreamIntegrationTest, WrongSecretFirst) {
 
 class SdsDynamicDownstreamCertValidationContextTest : public SdsDynamicDownstreamIntegrationTest {
 public:
-  SdsDynamicDownstreamCertValidationContextTest() : use_combined_validation_context_(false) {}
+  SdsDynamicDownstreamCertValidationContextTest() = default;
 
   void initialize() override {
     config_helper_.addConfigModifier([this](envoy::config::bootstrap::v2::Bootstrap& bootstrap) {
@@ -285,7 +285,7 @@ class SdsDynamicDownstreamCertValidationContextTest : public SdsDynamicDownstrea
   void enableCombinedValidationContext(bool enable) { use_combined_validation_context_ = enable; }
 
 private:
-  bool use_combined_validation_context_;
+  bool use_combined_validation_context_{false};
 };
 
 INSTANTIATE_TEST_SUITE_P(IpVersionsClientType, SdsDynamicDownstreamCertValidationContextTest,

diff --git a/test/tools/router_check/router.h b/test/tools/router_check/router.h
@@ -29,7 +29,7 @@ namespace Envoy {
  * input file.
  */
 struct ToolConfig {
-  ToolConfig() : random_value_(0){};
+  ToolConfig() = default;
 
   /**
    * @param check_config tool config json object pointer.
@@ -49,7 +49,7 @@ struct ToolConfig {
 
   std::unique_ptr<Http::TestHeaderMapImpl> headers_;
   Router::RouteConstSharedPtr route_;
-  int random_value_;
+  int random_value_{0};
 
 private:
   ToolConfig(std::unique_ptr<Http::TestHeaderMapImpl> headers, int random_value);