Googletest export

Applied fixes for ClangTidy modernize-use-override and modernize-use-using.

PiperOrigin-RevId: 223800219

googletest/include/gtest/internal/gtest-param-util-generated.h.pump

@@ -74,12 +74,12 @@ class CartesianProductGenerator$i
 
   CartesianProductGenerator$i($for j, [[const ParamGenerator<T$j>& g$j]])
       : $for j, [[g$(j)_(g$j)]] {}
-  virtual ~CartesianProductGenerator$i() {}
+  ~CartesianProductGenerator$i() override {}
 
-  virtual ParamIteratorInterface<ParamType>* Begin() const {
+  ParamIteratorInterface<ParamType>* Begin() const override {
     return new Iterator(this, $for j, [[g$(j)_, g$(j)_.begin()]]);
   }
-  virtual ParamIteratorInterface<ParamType>* End() const {
+  ParamIteratorInterface<ParamType>* End() const override {
     return new Iterator(this, $for j, [[g$(j)_, g$(j)_.end()]]);
   }
 
@@ -97,14 +97,14 @@ $for j, [[
 ]]    {
       ComputeCurrentValue();
     }
-    virtual ~Iterator() {}
+    ~Iterator() override {}
 
-    virtual const ParamGeneratorInterface<ParamType>* BaseGenerator() const {
+    const ParamGeneratorInterface<ParamType>* BaseGenerator() const override {
       return base_;
     }
     // Advance should not be called on beyond-of-range iterators
     // so no component iterators must be beyond end of range, either.
-    virtual void Advance() {
+    void Advance() override {
       assert(!AtEnd());
       ++current$(i)_;
 
@@ -117,11 +117,11 @@ $for k [[
 ]]
       ComputeCurrentValue();
     }
-    virtual ParamIteratorInterface<ParamType>* Clone() const {
+    ParamIteratorInterface<ParamType>* Clone() const override {
       return new Iterator(*this);
     }
-    virtual const ParamType* Current() const { return current_value_.get(); }
-    virtual bool Equals(const ParamIteratorInterface<ParamType>& other) const {
+    const ParamType* Current() const override { return current_value_.get(); }
+    bool Equals(const ParamIteratorInterface<ParamType>& other) const override {
       // Having the same base generator guarantees that the other
       // iterator is of the same type and we can downcast.
       GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())

googletest/include/gtest/internal/gtest-param-util.h

@@ -206,12 +206,12 @@ class RangeGenerator : public ParamGeneratorInterface<T> {
   RangeGenerator(T begin, T end, IncrementT step)
       : begin_(begin), end_(end),
         step_(step), end_index_(CalculateEndIndex(begin, end, step)) {}
-  virtual ~RangeGenerator() {}
+  ~RangeGenerator() override {}
 
-  virtual ParamIteratorInterface<T>* Begin() const {
+  ParamIteratorInterface<T>* Begin() const override {
     return new Iterator(this, begin_, 0, step_);
   }
-  virtual ParamIteratorInterface<T>* End() const {
+  ParamIteratorInterface<T>* End() const override {
     return new Iterator(this, end_, end_index_, step_);
   }
 
@@ -221,20 +221,20 @@ class RangeGenerator : public ParamGeneratorInterface<T> {
     Iterator(const ParamGeneratorInterface<T>* base, T value, int index,
              IncrementT step)
         : base_(base), value_(value), index_(index), step_(step) {}
-    virtual ~Iterator() {}
+    ~Iterator() override {}
 
-    virtual const ParamGeneratorInterface<T>* BaseGenerator() const {
+    const ParamGeneratorInterface<T>* BaseGenerator() const override {
       return base_;
     }
-    virtual void Advance() {
+    void Advance() override {
       value_ = static_cast<T>(value_ + step_);
       index_++;
     }
-    virtual ParamIteratorInterface<T>* Clone() const {
+    ParamIteratorInterface<T>* Clone() const override {
       return new Iterator(*this);
     }
-    virtual const T* Current() const { return &value_; }
-    virtual bool Equals(const ParamIteratorInterface<T>& other) const {
+    const T* Current() const override { return &value_; }
+    bool Equals(const ParamIteratorInterface<T>& other) const override {
       // Having the same base generator guarantees that the other
       // iterator is of the same type and we can downcast.
       GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
@@ -291,12 +291,12 @@ class ValuesInIteratorRangeGenerator : public ParamGeneratorInterface<T> {
   template <typename ForwardIterator>
   ValuesInIteratorRangeGenerator(ForwardIterator begin, ForwardIterator end)
       : container_(begin, end) {}
-  virtual ~ValuesInIteratorRangeGenerator() {}
+  ~ValuesInIteratorRangeGenerator() override {}
 
-  virtual ParamIteratorInterface<T>* Begin() const {
+  ParamIteratorInterface<T>* Begin() const override {
     return new Iterator(this, container_.begin());
   }
-  virtual ParamIteratorInterface<T>* End() const {
+  ParamIteratorInterface<T>* End() const override {
     return new Iterator(this, container_.end());
   }
 
@@ -308,16 +308,16 @@ class ValuesInIteratorRangeGenerator : public ParamGeneratorInterface<T> {
     Iterator(const ParamGeneratorInterface<T>* base,
              typename ContainerType::const_iterator iterator)
         : base_(base), iterator_(iterator) {}
-    virtual ~Iterator() {}
+    ~Iterator() override {}
 
-    virtual const ParamGeneratorInterface<T>* BaseGenerator() const {
+    const ParamGeneratorInterface<T>* BaseGenerator() const override {
       return base_;
     }
-    virtual void Advance() {
+    void Advance() override {
       ++iterator_;
       value_.reset();
     }
-    virtual ParamIteratorInterface<T>* Clone() const {
+    ParamIteratorInterface<T>* Clone() const override {
       return new Iterator(*this);
     }
     // We need to use cached value referenced by iterator_ because *iterator_
@@ -327,11 +327,11 @@ class ValuesInIteratorRangeGenerator : public ParamGeneratorInterface<T> {
     // can advance iterator_ beyond the end of the range, and we cannot
     // detect that fact. The client code, on the other hand, is
     // responsible for not calling Current() on an out-of-range iterator.
-    virtual const T* Current() const {
+    const T* Current() const override {
       if (value_.get() == nullptr) value_.reset(new T(*iterator_));
       return value_.get();
     }
-    virtual bool Equals(const ParamIteratorInterface<T>& other) const {
+    bool Equals(const ParamIteratorInterface<T>& other) const override {
       // Having the same base generator guarantees that the other
       // iterator is of the same type and we can downcast.
       GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
@@ -406,7 +406,7 @@ class ParameterizedTestFactory : public TestFactoryBase {
   typedef typename TestClass::ParamType ParamType;
   explicit ParameterizedTestFactory(ParamType parameter) :
       parameter_(parameter) {}
-  virtual Test* CreateTest() {
+  Test* CreateTest() override {
     TestClass::SetParam(&parameter_);
     return new TestClass();
   }
@@ -445,7 +445,7 @@ class TestMetaFactory
 
   TestMetaFactory() {}
 
-  virtual TestFactoryBase* CreateTestFactory(ParamType parameter) {
+  TestFactoryBase* CreateTestFactory(ParamType parameter) override {
     return new ParameterizedTestFactory<TestCase>(parameter);
   }
 
@@ -507,9 +507,11 @@ class ParameterizedTestCaseInfo : public ParameterizedTestCaseInfoBase {
       : test_case_name_(name), code_location_(code_location) {}
 
   // Test case base name for display purposes.
-  virtual const std::string& GetTestCaseName() const { return test_case_name_; }
+  const std::string& GetTestCaseName() const override {
+    return test_case_name_;
+  }
   // Test case id to verify identity.
-  virtual TypeId GetTestCaseTypeId() const { return GetTypeId<TestCase>(); }
+  TypeId GetTestCaseTypeId() const override { return GetTypeId<TestCase>(); }
   // TEST_P macro uses AddTestPattern() to record information
   // about a single test in a LocalTestInfo structure.
   // test_case_name is the base name of the test case (without invocation
@@ -537,7 +539,7 @@ class ParameterizedTestCaseInfo : public ParameterizedTestCaseInfoBase {
   // This method should not be called more then once on any single
   // instance of a ParameterizedTestCaseInfoBase derived class.
   // UnitTest has a guard to prevent from calling this method more then once.
-  virtual void RegisterTests() {
+  void RegisterTests() override {
     for (typename TestInfoContainer::iterator test_it = tests_.begin();
          test_it != tests_.end(); ++test_it) {
       std::shared_ptr<TestInfo> test_info = *test_it;
@@ -587,7 +589,7 @@ class ParameterizedTestCaseInfo : public ParameterizedTestCaseInfoBase {
         }  // for param_it
       }  // for gen_it
     }  // for test_it
-  }  // RegisterTests
+  }    // RegisterTests
 
  private:
   // LocalTestInfo structure keeps information about a single test registered

googletest/include/gtest/internal/gtest-port.h

@@ -1488,7 +1488,7 @@ class ThreadWithParam : public ThreadWithParamBase {
     GTEST_CHECK_POSIX_SUCCESS_(
         pthread_create(&thread_, nullptr, &ThreadFuncWithCLinkage, base));
   }
-  ~ThreadWithParam() { Join(); }
+  ~ThreadWithParam() override { Join(); }
 
   void Join() {
     if (!finished_) {
@@ -1497,7 +1497,7 @@ class ThreadWithParam : public ThreadWithParamBase {
     }
   }
 
-  virtual void Run() {
+  void Run() override {
     if (thread_can_start_ != nullptr) thread_can_start_->WaitForNotification();
     func_(param_);
   }

googletest/samples/prime_tables.h

@@ -54,7 +54,7 @@ class PrimeTable {
 // Implementation #1 calculates the primes on-the-fly.
 class OnTheFlyPrimeTable : public PrimeTable {
  public:
-  virtual bool IsPrime(int n) const {
+  bool IsPrime(int n) const override {
     if (n <= 1) return false;
 
     for (int i = 2; i*i <= n; i++) {
@@ -65,7 +65,7 @@ class OnTheFlyPrimeTable : public PrimeTable {
     return true;
   }
 
-  virtual int GetNextPrime(int p) const {
+  int GetNextPrime(int p) const override {
     for (int n = p + 1; n > 0; n++) {
       if (IsPrime(n)) return n;
     }
@@ -83,13 +83,13 @@ class PreCalculatedPrimeTable : public PrimeTable {
       : is_prime_size_(max + 1), is_prime_(new bool[max + 1]) {
     CalculatePrimesUpTo(max);
   }
-  virtual ~PreCalculatedPrimeTable() { delete[] is_prime_; }
+  ~PreCalculatedPrimeTable() override { delete[] is_prime_; }
 
-  virtual bool IsPrime(int n) const {
+  bool IsPrime(int n) const override {
     return 0 <= n && n < is_prime_size_ && is_prime_[n];
   }
 
-  virtual int GetNextPrime(int p) const {
+  int GetNextPrime(int p) const override {
     for (int n = p + 1; n < is_prime_size_; n++) {
       if (is_prime_[n]) return n;
     }

googletest/samples/sample10_unittest.cc

@@ -74,12 +74,12 @@ int Water::allocated_ = 0;
 class LeakChecker : public EmptyTestEventListener {
  private:
   // Called before a test starts.
-  virtual void OnTestStart(const TestInfo& /* test_info */) {
+  void OnTestStart(const TestInfo& /* test_info */) override {
     initially_allocated_ = Water::allocated();
   }
 
   // Called after a test ends.
-  virtual void OnTestEnd(const TestInfo& /* test_info */) {
+  void OnTestEnd(const TestInfo& /* test_info */) override {
     int difference = Water::allocated() - initially_allocated_;
 
     // You can generate a failure in any event handler except

googletest/samples/sample3_unittest.cc

@@ -71,7 +71,7 @@ class QueueTestSmpl3 : public testing::Test {
   // virtual void SetUp() will be called before each test is run.  You
   // should define it if you need to initialize the variables.
   // Otherwise, this can be skipped.
-  virtual void SetUp() {
+  void SetUp() override {
     q1_.Enqueue(1);
     q2_.Enqueue(2);
     q2_.Enqueue(3);

googletest/samples/sample5_unittest.cc

@@ -63,11 +63,11 @@ class QuickTest : public testing::Test {
  protected:
   // Remember that SetUp() is run immediately before a test starts.
   // This is a good place to record the start time.
-  virtual void SetUp() { start_time_ = time(nullptr); }
+  void SetUp() override { start_time_ = time(nullptr); }
 
   // TearDown() is invoked immediately after a test finishes.  Here we
   // check if the test was too slow.
-  virtual void TearDown() {
+  void TearDown() override {
     // Gets the time when the test finishes
     const time_t end_time = time(nullptr);
 
@@ -140,7 +140,7 @@ TEST_F(IntegerFunctionTest, IsPrime) {
 // stuff inside the body of the test fixture, as usual.
 class QueueTest : public QuickTest {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     // First, we need to set up the super fixture (QuickTest).
     QuickTest::SetUp();
 

googletest/samples/sample6_unittest.cc

@@ -61,7 +61,7 @@ class PrimeTableTest : public testing::Test {
   // implemented by T.
   PrimeTableTest() : table_(CreatePrimeTable<T>()) {}
 
-  virtual ~PrimeTableTest() { delete table_; }
+  ~PrimeTableTest() override { delete table_; }
 
   // Note that we test an implementation via the base interface
   // instead of the actual implementation class.  This is important

googletest/samples/sample7_unittest.cc

@@ -65,9 +65,9 @@ PrimeTable* CreatePreCalculatedPrimeTable() {
 // create and store an instance of PrimeTable.
 class PrimeTableTestSmpl7 : public TestWithParam<CreatePrimeTableFunc*> {
  public:
-  virtual ~PrimeTableTestSmpl7() { delete table_; }
-  virtual void SetUp() { table_ = (*GetParam())(); }
-  virtual void TearDown() {
+  ~PrimeTableTestSmpl7() override { delete table_; }
+  void SetUp() override { table_ = (*GetParam())(); }
+  void TearDown() override {
     delete table_;
     table_ = nullptr;
   }

googletest/samples/sample8_unittest.cc

@@ -53,19 +53,19 @@ class HybridPrimeTable : public PrimeTable {
                           ? nullptr
                           : new PreCalculatedPrimeTable(max_precalculated)),
         max_precalculated_(max_precalculated) {}
-  virtual ~HybridPrimeTable() {
+  ~HybridPrimeTable() override {
     delete on_the_fly_impl_;
     delete precalc_impl_;
   }
 
-  virtual bool IsPrime(int n) const {
+  bool IsPrime(int n) const override {
     if (precalc_impl_ != nullptr && n < max_precalculated_)
       return precalc_impl_->IsPrime(n);
     else
       return on_the_fly_impl_->IsPrime(n);
   }
 
-  virtual int GetNextPrime(int p) const {
+  int GetNextPrime(int p) const override {
     int next_prime = -1;
     if (precalc_impl_ != nullptr && p < max_precalculated_)
       next_prime = precalc_impl_->GetNextPrime(p);
@@ -91,13 +91,13 @@ using ::testing::Combine;
 // HybridPrimeTable instance.
 class PrimeTableTest : public TestWithParam< ::std::tuple<bool, int> > {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     bool force_on_the_fly;
     int max_precalculated;
     std::tie(force_on_the_fly, max_precalculated) = GetParam();
     table_ = new HybridPrimeTable(force_on_the_fly, max_precalculated);
   }
-  virtual void TearDown() {
+  void TearDown() override {
     delete table_;
     table_ = nullptr;
   }

googletest/samples/sample9_unittest.cc

@@ -49,16 +49,16 @@ namespace {
 class TersePrinter : public EmptyTestEventListener {
  private:
   // Called before any test activity starts.
-  virtual void OnTestProgramStart(const UnitTest& /* unit_test */) {}
+  void OnTestProgramStart(const UnitTest& /* unit_test */) override {}
 
   // Called after all test activities have ended.
-  virtual void OnTestProgramEnd(const UnitTest& unit_test) {
+  void OnTestProgramEnd(const UnitTest& unit_test) override {
     fprintf(stdout, "TEST %s\n", unit_test.Passed() ? "PASSED" : "FAILED");
     fflush(stdout);
   }
 
   // Called before a test starts.
-  virtual void OnTestStart(const TestInfo& test_info) {
+  void OnTestStart(const TestInfo& test_info) override {
     fprintf(stdout,
             "*** Test %s.%s starting.\n",
             test_info.test_case_name(),
@@ -67,7 +67,7 @@ class TersePrinter : public EmptyTestEventListener {
   }
 
   // Called after a failed assertion or a SUCCEED() invocation.
-  virtual void OnTestPartResult(const TestPartResult& test_part_result) {
+  void OnTestPartResult(const TestPartResult& test_part_result) override {
     fprintf(stdout,
             "%s in %s:%d\n%s\n",
             test_part_result.failed() ? "*** Failure" : "Success",
@@ -78,7 +78,7 @@ class TersePrinter : public EmptyTestEventListener {
   }
 
   // Called after a test ends.
-  virtual void OnTestEnd(const TestInfo& test_info) {
+  void OnTestEnd(const TestInfo& test_info) override {
     fprintf(stdout,
             "*** Test %s.%s ending.\n",
             test_info.test_case_name(),

googletest/src/gtest-death-test.cc

@@ -407,10 +407,10 @@ class DeathTestImpl : public DeathTest {
         write_fd_(-1) {}
 
   // read_fd_ is expected to be closed and cleared by a derived class.
-  ~DeathTestImpl() { GTEST_DEATH_TEST_CHECK_(read_fd_ == -1); }
+  ~DeathTestImpl() override { GTEST_DEATH_TEST_CHECK_(read_fd_ == -1); }
 
-  void Abort(AbortReason reason);
-  virtual bool Passed(bool status_ok);
+  void Abort(AbortReason reason) override;
+  bool Passed(bool status_ok) override;
 
   const char* statement() const { return statement_; }
   bool spawned() const { return spawned_; }
@@ -1065,7 +1065,7 @@ class ForkingDeathTest : public DeathTestImpl {
   ForkingDeathTest(const char* statement, Matcher<const std::string&> matcher);
 
   // All of these virtual functions are inherited from DeathTest.
-  virtual int Wait();
+  int Wait() override;
 
  protected:
   void set_child_pid(pid_t child_pid) { child_pid_ = child_pid; }
@@ -1101,7 +1101,7 @@ class NoExecDeathTest : public ForkingDeathTest {
  public:
   NoExecDeathTest(const char* a_statement, Matcher<const std::string&> matcher)
       : ForkingDeathTest(a_statement, std::move(matcher)) {}
-  virtual TestRole AssumeRole();
+  TestRole AssumeRole() override;
 };
 
 // The AssumeRole process for a fork-and-run death test.  It implements a
@@ -1159,7 +1159,8 @@ class ExecDeathTest : public ForkingDeathTest {
       : ForkingDeathTest(a_statement, std::move(matcher)),
         file_(file),
         line_(line) {}
-  virtual TestRole AssumeRole();
+  TestRole AssumeRole() override;
+
  private:
   static ::std::vector<std::string> GetArgvsForDeathTestChildProcess() {
     ::std::vector<std::string> args = GetInjectableArgvs();

googletest/src/gtest-internal-inl.h

@@ -443,8 +443,8 @@ class OsStackTraceGetter : public OsStackTraceGetterInterface {
  public:
   OsStackTraceGetter() {}
 
-  virtual std::string CurrentStackTrace(int max_depth, int skip_count);
-  virtual void UponLeavingGTest();
+  std::string CurrentStackTrace(int max_depth, int skip_count) override;
+  void UponLeavingGTest() override;
 
  private:
 #if GTEST_HAS_ABSL
@@ -475,7 +475,7 @@ class DefaultGlobalTestPartResultReporter
   explicit DefaultGlobalTestPartResultReporter(UnitTestImpl* unit_test);
   // Implements the TestPartResultReporterInterface. Reports the test part
   // result in the current test.
-  virtual void ReportTestPartResult(const TestPartResult& result);
+  void ReportTestPartResult(const TestPartResult& result) override;
 
  private:
   UnitTestImpl* const unit_test_;
@@ -491,7 +491,7 @@ class DefaultPerThreadTestPartResultReporter
   explicit DefaultPerThreadTestPartResultReporter(UnitTestImpl* unit_test);
   // Implements the TestPartResultReporterInterface. The implementation just
   // delegates to the current global test part result reporter of *unit_test_.
-  virtual void ReportTestPartResult(const TestPartResult& result);
+  void ReportTestPartResult(const TestPartResult& result) override;
 
  private:
   UnitTestImpl* const unit_test_;
@@ -1063,13 +1063,13 @@ class StreamingListener : public EmptyTestEventListener {
       MakeConnection();
     }
 
-    virtual ~SocketWriter() {
+    ~SocketWriter() override {
       if (sockfd_ != -1)
         CloseConnection();
     }
 
     // Sends a string to the socket.
-    virtual void Send(const std::string& message) {
+    void Send(const std::string& message) override {
       GTEST_CHECK_(sockfd_ != -1)
           << "Send() can be called only when there is a connection.";
 
@@ -1086,7 +1086,7 @@ class StreamingListener : public EmptyTestEventListener {
     void MakeConnection();
 
     // Closes the socket.
-    void CloseConnection() {
+    void CloseConnection() override {
       GTEST_CHECK_(sockfd_ != -1)
           << "CloseConnection() can be called only when there is a connection.";
 
@@ -1112,11 +1112,11 @@ class StreamingListener : public EmptyTestEventListener {
   explicit StreamingListener(AbstractSocketWriter* socket_writer)
       : socket_writer_(socket_writer) { Start(); }
 
-  void OnTestProgramStart(const UnitTest& /* unit_test */) {
+  void OnTestProgramStart(const UnitTest& /* unit_test */) override {
     SendLn("event=TestProgramStart");
   }
 
-  void OnTestProgramEnd(const UnitTest& unit_test) {
+  void OnTestProgramEnd(const UnitTest& unit_test) override {
     // Note that Google Test current only report elapsed time for each
     // test iteration, not for the entire test program.
     SendLn("event=TestProgramEnd&passed=" + FormatBool(unit_test.Passed()));
@@ -1125,39 +1125,41 @@ class StreamingListener : public EmptyTestEventListener {
     socket_writer_->CloseConnection();
   }
 
-  void OnTestIterationStart(const UnitTest& /* unit_test */, int iteration) {
+  void OnTestIterationStart(const UnitTest& /* unit_test */,
+                            int iteration) override {
     SendLn("event=TestIterationStart&iteration=" +
            StreamableToString(iteration));
   }
 
-  void OnTestIterationEnd(const UnitTest& unit_test, int /* iteration */) {
+  void OnTestIterationEnd(const UnitTest& unit_test,
+                          int /* iteration */) override {
     SendLn("event=TestIterationEnd&passed=" +
            FormatBool(unit_test.Passed()) + "&elapsed_time=" +
            StreamableToString(unit_test.elapsed_time()) + "ms");
   }
 
-  void OnTestCaseStart(const TestCase& test_case) {
+  void OnTestCaseStart(const TestCase& test_case) override {
     SendLn(std::string("event=TestCaseStart&name=") + test_case.name());
   }
 
-  void OnTestCaseEnd(const TestCase& test_case) {
+  void OnTestCaseEnd(const TestCase& test_case) override {
     SendLn("event=TestCaseEnd&passed=" + FormatBool(test_case.Passed())
            + "&elapsed_time=" + StreamableToString(test_case.elapsed_time())
            + "ms");
   }
 
-  void OnTestStart(const TestInfo& test_info) {
+  void OnTestStart(const TestInfo& test_info) override {
     SendLn(std::string("event=TestStart&name=") + test_info.name());
   }
 
-  void OnTestEnd(const TestInfo& test_info) {
+  void OnTestEnd(const TestInfo& test_info) override {
     SendLn("event=TestEnd&passed=" +
            FormatBool((test_info.result())->Passed()) +
            "&elapsed_time=" +
            StreamableToString((test_info.result())->elapsed_time()) + "ms");
   }
 
-  void OnTestPartResult(const TestPartResult& test_part_result) {
+  void OnTestPartResult(const TestPartResult& test_part_result) override {
     const char* file_name = test_part_result.file_name();
     if (file_name == nullptr) file_name = "";
     SendLn("event=TestPartResult&file=" + UrlEncode(file_name) +

googletest/src/gtest.cc

@@ -3111,19 +3111,19 @@ class PrettyUnitTestResultPrinter : public TestEventListener {
   }
 
   // The following methods override what's in the TestEventListener class.
-  virtual void OnTestProgramStart(const UnitTest& /*unit_test*/) {}
-  virtual void OnTestIterationStart(const UnitTest& unit_test, int iteration);
-  virtual void OnEnvironmentsSetUpStart(const UnitTest& unit_test);
-  virtual void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) {}
-  virtual void OnTestCaseStart(const TestCase& test_case);
-  virtual void OnTestStart(const TestInfo& test_info);
-  virtual void OnTestPartResult(const TestPartResult& result);
-  virtual void OnTestEnd(const TestInfo& test_info);
-  virtual void OnTestCaseEnd(const TestCase& test_case);
-  virtual void OnEnvironmentsTearDownStart(const UnitTest& unit_test);
-  virtual void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) {}
-  virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
-  virtual void OnTestProgramEnd(const UnitTest& /*unit_test*/) {}
+  void OnTestProgramStart(const UnitTest& /*unit_test*/) override {}
+  void OnTestIterationStart(const UnitTest& unit_test, int iteration) override;
+  void OnEnvironmentsSetUpStart(const UnitTest& unit_test) override;
+  void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) override {}
+  void OnTestCaseStart(const TestCase& test_case) override;
+  void OnTestStart(const TestInfo& test_info) override;
+  void OnTestPartResult(const TestPartResult& result) override;
+  void OnTestEnd(const TestInfo& test_info) override;
+  void OnTestCaseEnd(const TestCase& test_case) override;
+  void OnEnvironmentsTearDownStart(const UnitTest& unit_test) override;
+  void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) override {}
+  void OnTestIterationEnd(const UnitTest& unit_test, int iteration) override;
+  void OnTestProgramEnd(const UnitTest& /*unit_test*/) override {}
 
  private:
   static void PrintFailedTests(const UnitTest& unit_test);
@@ -3352,7 +3352,7 @@ void PrettyUnitTestResultPrinter::OnTestIterationEnd(const UnitTest& unit_test,
 class TestEventRepeater : public TestEventListener {
  public:
   TestEventRepeater() : forwarding_enabled_(true) {}
-  virtual ~TestEventRepeater();
+  ~TestEventRepeater() override;
   void Append(TestEventListener *listener);
   TestEventListener* Release(TestEventListener* listener);
 
@@ -3361,19 +3361,19 @@ class TestEventRepeater : public TestEventListener {
   bool forwarding_enabled() const { return forwarding_enabled_; }
   void set_forwarding_enabled(bool enable) { forwarding_enabled_ = enable; }
 
-  virtual void OnTestProgramStart(const UnitTest& unit_test);
-  virtual void OnTestIterationStart(const UnitTest& unit_test, int iteration);
-  virtual void OnEnvironmentsSetUpStart(const UnitTest& unit_test);
-  virtual void OnEnvironmentsSetUpEnd(const UnitTest& unit_test);
-  virtual void OnTestCaseStart(const TestCase& test_case);
-  virtual void OnTestStart(const TestInfo& test_info);
-  virtual void OnTestPartResult(const TestPartResult& result);
-  virtual void OnTestEnd(const TestInfo& test_info);
-  virtual void OnTestCaseEnd(const TestCase& test_case);
-  virtual void OnEnvironmentsTearDownStart(const UnitTest& unit_test);
-  virtual void OnEnvironmentsTearDownEnd(const UnitTest& unit_test);
-  virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
-  virtual void OnTestProgramEnd(const UnitTest& unit_test);
+  void OnTestProgramStart(const UnitTest& unit_test) override;
+  void OnTestIterationStart(const UnitTest& unit_test, int iteration) override;
+  void OnEnvironmentsSetUpStart(const UnitTest& unit_test) override;
+  void OnEnvironmentsSetUpEnd(const UnitTest& unit_test) override;
+  void OnTestCaseStart(const TestCase& test_case) override;
+  void OnTestStart(const TestInfo& test_info) override;
+  void OnTestPartResult(const TestPartResult& result) override;
+  void OnTestEnd(const TestInfo& test_info) override;
+  void OnTestCaseEnd(const TestCase& test_case) override;
+  void OnEnvironmentsTearDownStart(const UnitTest& unit_test) override;
+  void OnEnvironmentsTearDownEnd(const UnitTest& unit_test) override;
+  void OnTestIterationEnd(const UnitTest& unit_test, int iteration) override;
+  void OnTestProgramEnd(const UnitTest& unit_test) override;
 
  private:
   // Controls whether events will be forwarded to listeners_. Set to false
@@ -3466,7 +3466,7 @@ class XmlUnitTestResultPrinter : public EmptyTestEventListener {
  public:
   explicit XmlUnitTestResultPrinter(const char* output_file);
 
-  virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
+  void OnTestIterationEnd(const UnitTest& unit_test, int iteration) override;
   void ListTestsMatchingFilter(const std::vector<TestCase*>& test_cases);
 
   // Prints an XML summary of all unit tests.
@@ -3924,7 +3924,7 @@ class JsonUnitTestResultPrinter : public EmptyTestEventListener {
  public:
   explicit JsonUnitTestResultPrinter(const char* output_file);
 
-  virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
+  void OnTestIterationEnd(const UnitTest& unit_test, int iteration) override;
 
   // Prints an JSON summary of all unit tests.
   static void PrintJsonTestList(::std::ostream* stream,

googletest/test/googletest-catch-exceptions-test_.cc

@@ -116,17 +116,17 @@ class CxxExceptionInConstructorTest : public Test {
   }
 
  protected:
-  ~CxxExceptionInConstructorTest() {
+  ~CxxExceptionInConstructorTest() override {
     ADD_FAILURE() << "CxxExceptionInConstructorTest destructor "
                   << "called unexpectedly.";
   }
 
-  virtual void SetUp() {
+  void SetUp() override {
     ADD_FAILURE() << "CxxExceptionInConstructorTest::SetUp() "
                   << "called unexpectedly.";
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     ADD_FAILURE() << "CxxExceptionInConstructorTest::TearDown() "
                   << "called unexpectedly.";
   }
@@ -157,19 +157,19 @@ class CxxExceptionInSetUpTestCaseTest : public Test {
   }
 
  protected:
-  ~CxxExceptionInSetUpTestCaseTest() {
+  ~CxxExceptionInSetUpTestCaseTest() override {
     printf("%s",
            "CxxExceptionInSetUpTestCaseTest destructor "
            "called as expected.\n");
   }
 
-  virtual void SetUp() {
+  void SetUp() override {
     printf("%s",
            "CxxExceptionInSetUpTestCaseTest::SetUp() "
            "called as expected.\n");
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     printf("%s",
            "CxxExceptionInSetUpTestCaseTest::TearDown() "
            "called as expected.\n");
@@ -200,15 +200,15 @@ class CxxExceptionInSetUpTest : public Test {
   }
 
  protected:
-  ~CxxExceptionInSetUpTest() {
+  ~CxxExceptionInSetUpTest() override {
     printf("%s",
            "CxxExceptionInSetUpTest destructor "
            "called as expected.\n");
   }
 
-  virtual void SetUp() { throw std::runtime_error("Standard C++ exception"); }
+  void SetUp() override { throw std::runtime_error("Standard C++ exception"); }
 
-  virtual void TearDown() {
+  void TearDown() override {
     printf("%s",
            "CxxExceptionInSetUpTest::TearDown() "
            "called as expected.\n");
@@ -229,13 +229,13 @@ class CxxExceptionInTearDownTest : public Test {
   }
 
  protected:
-  ~CxxExceptionInTearDownTest() {
+  ~CxxExceptionInTearDownTest() override {
     printf("%s",
            "CxxExceptionInTearDownTest destructor "
            "called as expected.\n");
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     throw std::runtime_error("Standard C++ exception");
   }
 };
@@ -251,13 +251,13 @@ class CxxExceptionInTestBodyTest : public Test {
   }
 
  protected:
-  ~CxxExceptionInTestBodyTest() {
+  ~CxxExceptionInTestBodyTest() override {
     printf("%s",
            "CxxExceptionInTestBodyTest destructor "
            "called as expected.\n");
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     printf("%s",
            "CxxExceptionInTestBodyTest::TearDown() "
            "called as expected.\n");

googletest/test/googletest-death-test-test.cc

@@ -128,9 +128,7 @@ class TestForDeathTest : public testing::Test {
  protected:
   TestForDeathTest() : original_dir_(FilePath::GetCurrentDir()) {}
 
-  virtual ~TestForDeathTest() {
-    posix::ChDir(original_dir_.c_str());
-  }
+  ~TestForDeathTest() override { posix::ChDir(original_dir_.c_str()); }
 
   // A static member function that's expected to die.
   static void StaticMemberFunction() { DieInside("StaticMemberFunction"); }
@@ -885,9 +883,9 @@ TEST_F(TestForDeathTest, DeathTestMultiLineMatchPass) {
 class MockDeathTestFactory : public DeathTestFactory {
  public:
   MockDeathTestFactory();
-  virtual bool Create(const char* statement,
-                      testing::Matcher<const std::string&> matcher,
-                      const char* file, int line, DeathTest** test);
+  bool Create(const char* statement,
+              testing::Matcher<const std::string&> matcher, const char* file,
+              int line, DeathTest** test) override;
 
   // Sets the parameters for subsequent calls to Create.
   void SetParameters(bool create, DeathTest::TestRole role,
@@ -942,22 +940,20 @@ class MockDeathTest : public DeathTest {
                 TestRole role, int status, bool passed) :
       parent_(parent), role_(role), status_(status), passed_(passed) {
   }
-  virtual ~MockDeathTest() {
-    parent_->test_deleted_ = true;
-  }
-  virtual TestRole AssumeRole() {
+  ~MockDeathTest() override { parent_->test_deleted_ = true; }
+  TestRole AssumeRole() override {
     ++parent_->assume_role_calls_;
     return role_;
   }
-  virtual int Wait() {
+  int Wait() override {
     ++parent_->wait_calls_;
     return status_;
   }
-  virtual bool Passed(bool exit_status_ok) {
+  bool Passed(bool exit_status_ok) override {
     parent_->passed_args_.push_back(exit_status_ok);
     return passed_;
   }
-  virtual void Abort(AbortReason reason) {
+  void Abort(AbortReason reason) override {
     parent_->abort_args_.push_back(reason);
   }
 

googletest/test/googletest-death-test_ex_test.cc

@@ -59,7 +59,7 @@ TEST(CxxExceptionDeathTest, ExceptionIsFailure) {
 
 class TestException : public std::exception {
  public:
-  virtual const char* what() const throw() { return "exceptional message"; }
+  const char* what() const throw() override { return "exceptional message"; }
 };
 
 TEST(CxxExceptionDeathTest, PrintsMessageForStdExceptions) {

googletest/test/googletest-filepath-test.cc

@@ -479,7 +479,7 @@ TEST(AssignmentOperatorTest, ConstAssignedToNonConst) {
 
 class DirectoryCreationTest : public Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     testdata_path_.Set(FilePath(
         TempDir() + GetCurrentExecutableName().string() +
         "_directory_creation" GTEST_PATH_SEP_ "test" GTEST_PATH_SEP_));
@@ -496,7 +496,7 @@ class DirectoryCreationTest : public Test {
     posix::RmDir(testdata_path_.c_str());
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     remove(testdata_file_.c_str());
     remove(unique_file0_.c_str());
     remove(unique_file1_.c_str());

googletest/test/googletest-listener-test.cc

@@ -57,63 +57,63 @@ class EventRecordingListener : public TestEventListener {
   explicit EventRecordingListener(const char* name) : name_(name) {}
 
  protected:
-  virtual void OnTestProgramStart(const UnitTest& /*unit_test*/) {
+  void OnTestProgramStart(const UnitTest& /*unit_test*/) override {
     g_events->push_back(GetFullMethodName("OnTestProgramStart"));
   }
 
-  virtual void OnTestIterationStart(const UnitTest& /*unit_test*/,
-                                    int iteration) {
+  void OnTestIterationStart(const UnitTest& /*unit_test*/,
+                            int iteration) override {
     Message message;
     message << GetFullMethodName("OnTestIterationStart")
             << "(" << iteration << ")";
     g_events->push_back(message.GetString());
   }
 
-  virtual void OnEnvironmentsSetUpStart(const UnitTest& /*unit_test*/) {
+  void OnEnvironmentsSetUpStart(const UnitTest& /*unit_test*/) override {
     g_events->push_back(GetFullMethodName("OnEnvironmentsSetUpStart"));
   }
 
-  virtual void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) {
+  void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) override {
     g_events->push_back(GetFullMethodName("OnEnvironmentsSetUpEnd"));
   }
 
-  virtual void OnTestCaseStart(const TestCase& /*test_case*/) {
+  void OnTestCaseStart(const TestCase& /*test_case*/) override {
     g_events->push_back(GetFullMethodName("OnTestCaseStart"));
   }
 
-  virtual void OnTestStart(const TestInfo& /*test_info*/) {
+  void OnTestStart(const TestInfo& /*test_info*/) override {
     g_events->push_back(GetFullMethodName("OnTestStart"));
   }
 
-  virtual void OnTestPartResult(const TestPartResult& /*test_part_result*/) {
+  void OnTestPartResult(const TestPartResult& /*test_part_result*/) override {
     g_events->push_back(GetFullMethodName("OnTestPartResult"));
   }
 
-  virtual void OnTestEnd(const TestInfo& /*test_info*/) {
+  void OnTestEnd(const TestInfo& /*test_info*/) override {
     g_events->push_back(GetFullMethodName("OnTestEnd"));
   }
 
-  virtual void OnTestCaseEnd(const TestCase& /*test_case*/) {
+  void OnTestCaseEnd(const TestCase& /*test_case*/) override {
     g_events->push_back(GetFullMethodName("OnTestCaseEnd"));
   }
 
-  virtual void OnEnvironmentsTearDownStart(const UnitTest& /*unit_test*/) {
+  void OnEnvironmentsTearDownStart(const UnitTest& /*unit_test*/) override {
     g_events->push_back(GetFullMethodName("OnEnvironmentsTearDownStart"));
   }
 
-  virtual void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) {
+  void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) override {
     g_events->push_back(GetFullMethodName("OnEnvironmentsTearDownEnd"));
   }
 
-  virtual void OnTestIterationEnd(const UnitTest& /*unit_test*/,
-                                  int iteration) {
+  void OnTestIterationEnd(const UnitTest& /*unit_test*/,
+                          int iteration) override {
     Message message;
     message << GetFullMethodName("OnTestIterationEnd")
             << "("  << iteration << ")";
     g_events->push_back(message.GetString());
   }
 
-  virtual void OnTestProgramEnd(const UnitTest& /*unit_test*/) {
+  void OnTestProgramEnd(const UnitTest& /*unit_test*/) override {
     g_events->push_back(GetFullMethodName("OnTestProgramEnd"));
   }
 
@@ -127,13 +127,9 @@ class EventRecordingListener : public TestEventListener {
 
 class EnvironmentInvocationCatcher : public Environment {
  protected:
-  virtual void SetUp() {
-    g_events->push_back("Environment::SetUp");
-  }
+  void SetUp() override { g_events->push_back("Environment::SetUp"); }
 
-  virtual void TearDown() {
-    g_events->push_back("Environment::TearDown");
-  }
+  void TearDown() override { g_events->push_back("Environment::TearDown"); }
 };
 
 class ListenerTest : public Test {
@@ -146,13 +142,9 @@ class ListenerTest : public Test {
     g_events->push_back("ListenerTest::TearDownTestCase");
   }
 
-  virtual void SetUp() {
-    g_events->push_back("ListenerTest::SetUp");
-  }
+  void SetUp() override { g_events->push_back("ListenerTest::SetUp"); }
 
-  virtual void TearDown() {
-    g_events->push_back("ListenerTest::TearDown");
-  }
+  void TearDown() override { g_events->push_back("ListenerTest::TearDown"); }
 };
 
 TEST_F(ListenerTest, DoesFoo) {

googletest/test/googletest-options-test.cc

@@ -126,7 +126,7 @@ TEST(OutputFileHelpersTest, GetCurrentExecutableName) {
 
 class XmlOutputChangeDirTest : public Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     original_working_dir_ = FilePath::GetCurrentDir();
     posix::ChDir("..");
     // This will make the test fail if run from the root directory.
@@ -134,7 +134,7 @@ class XmlOutputChangeDirTest : public Test {
               FilePath::GetCurrentDir().string());
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     posix::ChDir(original_working_dir_.string().c_str());
   }