yaml-cpp

gmock-spec-builders.cc (33090B)

---

 // Copyright 2007, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //     * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 // Google Mock - a framework for writing C++ mock classes.
 //
 // This file implements the spec builder syntax (ON_CALL and
 // EXPECT_CALL).
 
 #include "gmock/gmock-spec-builders.h"
 
 #include <stdlib.h>
 #include <iostream>  // NOLINT
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
 #if GTEST_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC
 # include <unistd.h>  // NOLINT
 #endif
 
 // Silence C4800 (C4800: 'int *const ': forcing value
 // to bool 'true' or 'false') for MSVC 15
 #ifdef _MSC_VER
 #if _MSC_VER == 1900
 #  pragma warning(push)
 #  pragma warning(disable:4800)
 #endif
 #endif
 
 namespace testing {
 namespace internal {
 
 // Protects the mock object registry (in class Mock), all function
 // mockers, and all expectations.
 GTEST_API_ GTEST_DEFINE_STATIC_MUTEX_(g_gmock_mutex);
 
 // Logs a message including file and line number information.
 GTEST_API_ void LogWithLocation(testing::internal::LogSeverity severity,
                                 const char* file, int line,
                                 const std::string& message) {
   ::std::ostringstream s;
   s << file << ":" << line << ": " << message << ::std::endl;
   Log(severity, s.str(), 0);
 }
 
 // Constructs an ExpectationBase object.
 ExpectationBase::ExpectationBase(const char* a_file, int a_line,
                                  const std::string& a_source_text)
     : file_(a_file),
       line_(a_line),
       source_text_(a_source_text),
       cardinality_specified_(false),
       cardinality_(Exactly(1)),
       call_count_(0),
       retired_(false),
       extra_matcher_specified_(false),
       repeated_action_specified_(false),
       retires_on_saturation_(false),
       last_clause_(kNone),
       action_count_checked_(false) {}
 
 // Destructs an ExpectationBase object.
 ExpectationBase::~ExpectationBase() {}
 
 // Explicitly specifies the cardinality of this expectation.  Used by
 // the subclasses to implement the .Times() clause.
 void ExpectationBase::SpecifyCardinality(const Cardinality& a_cardinality) {
   cardinality_specified_ = true;
   cardinality_ = a_cardinality;
 }
 
 // Retires all pre-requisites of this expectation.
 void ExpectationBase::RetireAllPreRequisites()
     GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
   if (is_retired()) {
     // We can take this short-cut as we never retire an expectation
     // until we have retired all its pre-requisites.
     return;
   }
 
   ::std::vector<ExpectationBase*> expectations(1, this);
   while (!expectations.empty()) {
     ExpectationBase* exp = expectations.back();
     expectations.pop_back();
 
     for (ExpectationSet::const_iterator it =
              exp->immediate_prerequisites_.begin();
          it != exp->immediate_prerequisites_.end(); ++it) {
       ExpectationBase* next = it->expectation_base().get();
       if (!next->is_retired()) {
         next->Retire();
         expectations.push_back(next);
       }
     }
   }
 }
 
 // Returns true if and only if all pre-requisites of this expectation
 // have been satisfied.
 bool ExpectationBase::AllPrerequisitesAreSatisfied() const
     GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
   g_gmock_mutex.AssertHeld();
   ::std::vector<const ExpectationBase*> expectations(1, this);
   while (!expectations.empty()) {
     const ExpectationBase* exp = expectations.back();
     expectations.pop_back();
 
     for (ExpectationSet::const_iterator it =
              exp->immediate_prerequisites_.begin();
          it != exp->immediate_prerequisites_.end(); ++it) {
       const ExpectationBase* next = it->expectation_base().get();
       if (!next->IsSatisfied()) return false;
       expectations.push_back(next);
     }
   }
   return true;
 }
 
 // Adds unsatisfied pre-requisites of this expectation to 'result'.
 void ExpectationBase::FindUnsatisfiedPrerequisites(ExpectationSet* result) const
     GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
   g_gmock_mutex.AssertHeld();
   ::std::vector<const ExpectationBase*> expectations(1, this);
   while (!expectations.empty()) {
     const ExpectationBase* exp = expectations.back();
     expectations.pop_back();
 
     for (ExpectationSet::const_iterator it =
              exp->immediate_prerequisites_.begin();
          it != exp->immediate_prerequisites_.end(); ++it) {
       const ExpectationBase* next = it->expectation_base().get();
 
       if (next->IsSatisfied()) {
         // If *it is satisfied and has a call count of 0, some of its
         // pre-requisites may not be satisfied yet.
         if (next->call_count_ == 0) {
           expectations.push_back(next);
         }
       } else {
         // Now that we know next is unsatisfied, we are not so interested
         // in whether its pre-requisites are satisfied.  Therefore we
         // don't iterate into it here.
         *result += *it;
       }
     }
   }
 }
 
 // Describes how many times a function call matching this
 // expectation has occurred.
 void ExpectationBase::DescribeCallCountTo(::std::ostream* os) const
     GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
   g_gmock_mutex.AssertHeld();
 
   // Describes how many times the function is expected to be called.
   *os << "         Expected: to be ";
   cardinality().DescribeTo(os);
   *os << "\n           Actual: ";
   Cardinality::DescribeActualCallCountTo(call_count(), os);
 
   // Describes the state of the expectation (e.g. is it satisfied?
   // is it active?).
   *os << " - " << (IsOverSaturated() ? "over-saturated" :
                    IsSaturated() ? "saturated" :
                    IsSatisfied() ? "satisfied" : "unsatisfied")
       << " and "
       << (is_retired() ? "retired" : "active");
 }
 
 // Checks the action count (i.e. the number of WillOnce() and
 // WillRepeatedly() clauses) against the cardinality if this hasn't
 // been done before.  Prints a warning if there are too many or too
 // few actions.
 void ExpectationBase::CheckActionCountIfNotDone() const
     GTEST_LOCK_EXCLUDED_(mutex_) {
   bool should_check = false;
   {
     MutexLock l(&mutex_);
     if (!action_count_checked_) {
       action_count_checked_ = true;
       should_check = true;
     }
   }
 
   if (should_check) {
     if (!cardinality_specified_) {
       // The cardinality was inferred - no need to check the action
       // count against it.
       return;
     }
 
     // The cardinality was explicitly specified.
     const int action_count = static_cast<int>(untyped_actions_.size());
     const int upper_bound = cardinality().ConservativeUpperBound();
     const int lower_bound = cardinality().ConservativeLowerBound();
     bool too_many;  // True if there are too many actions, or false
     // if there are too few.
     if (action_count > upper_bound ||
         (action_count == upper_bound && repeated_action_specified_)) {
       too_many = true;
     } else if (0 < action_count && action_count < lower_bound &&
                !repeated_action_specified_) {
       too_many = false;
     } else {
       return;
     }
 
     ::std::stringstream ss;
     DescribeLocationTo(&ss);
     ss << "Too " << (too_many ? "many" : "few")
        << " actions specified in " << source_text() << "...\n"
        << "Expected to be ";
     cardinality().DescribeTo(&ss);
     ss << ", but has " << (too_many ? "" : "only ")
        << action_count << " WillOnce()"
        << (action_count == 1 ? "" : "s");
     if (repeated_action_specified_) {
       ss << " and a WillRepeatedly()";
     }
     ss << ".";
     Log(kWarning, ss.str(), -1);  // -1 means "don't print stack trace".
   }
 }
 
 // Implements the .Times() clause.
 void ExpectationBase::UntypedTimes(const Cardinality& a_cardinality) {
   if (last_clause_ == kTimes) {
     ExpectSpecProperty(false,
                        ".Times() cannot appear "
                        "more than once in an EXPECT_CALL().");
   } else {
     ExpectSpecProperty(last_clause_ < kTimes,
                        ".Times() cannot appear after "
                        ".InSequence(), .WillOnce(), .WillRepeatedly(), "
                        "or .RetiresOnSaturation().");
   }
   last_clause_ = kTimes;
 
   SpecifyCardinality(a_cardinality);
 }
 
 // Points to the implicit sequence introduced by a living InSequence
 // object (if any) in the current thread or NULL.
 GTEST_API_ ThreadLocal<Sequence*> g_gmock_implicit_sequence;
 
 // Reports an uninteresting call (whose description is in msg) in the
 // manner specified by 'reaction'.
 void ReportUninterestingCall(CallReaction reaction, const std::string& msg) {
   // Include a stack trace only if --gmock_verbose=info is specified.
   const int stack_frames_to_skip =
       GMOCK_FLAG(verbose) == kInfoVerbosity ? 3 : -1;
   switch (reaction) {
     case kAllow:
       Log(kInfo, msg, stack_frames_to_skip);
       break;
     case kWarn:
       Log(kWarning,
           msg +
               "\nNOTE: You can safely ignore the above warning unless this "
               "call should not happen.  Do not suppress it by blindly adding "
               "an EXPECT_CALL() if you don't mean to enforce the call.  "
               "See "
               "https://github.com/google/googletest/blob/master/googlemock/"
               "docs/cook_book.md#"
               "knowing-when-to-expect for details.\n",
           stack_frames_to_skip);
       break;
     default:  // FAIL
       Expect(false, nullptr, -1, msg);
   }
 }
 
 UntypedFunctionMockerBase::UntypedFunctionMockerBase()
     : mock_obj_(nullptr), name_("") {}
 
 UntypedFunctionMockerBase::~UntypedFunctionMockerBase() {}
 
 // Sets the mock object this mock method belongs to, and registers
 // this information in the global mock registry.  Will be called
 // whenever an EXPECT_CALL() or ON_CALL() is executed on this mock
 // method.
 void UntypedFunctionMockerBase::RegisterOwner(const void* mock_obj)
     GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
   {
     MutexLock l(&g_gmock_mutex);
     mock_obj_ = mock_obj;
   }
   Mock::Register(mock_obj, this);
 }
 
 // Sets the mock object this mock method belongs to, and sets the name
 // of the mock function.  Will be called upon each invocation of this
 // mock function.
 void UntypedFunctionMockerBase::SetOwnerAndName(const void* mock_obj,
                                                 const char* name)
     GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
   // We protect name_ under g_gmock_mutex in case this mock function
   // is called from two threads concurrently.
   MutexLock l(&g_gmock_mutex);
   mock_obj_ = mock_obj;
   name_ = name;
 }
 
 // Returns the name of the function being mocked.  Must be called
 // after RegisterOwner() or SetOwnerAndName() has been called.
 const void* UntypedFunctionMockerBase::MockObject() const
     GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
   const void* mock_obj;
   {
     // We protect mock_obj_ under g_gmock_mutex in case this mock
     // function is called from two threads concurrently.
     MutexLock l(&g_gmock_mutex);
     Assert(mock_obj_ != nullptr, __FILE__, __LINE__,
            "MockObject() must not be called before RegisterOwner() or "
            "SetOwnerAndName() has been called.");
     mock_obj = mock_obj_;
   }
   return mock_obj;
 }
 
 // Returns the name of this mock method.  Must be called after
 // SetOwnerAndName() has been called.
 const char* UntypedFunctionMockerBase::Name() const
     GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
   const char* name;
   {
     // We protect name_ under g_gmock_mutex in case this mock
     // function is called from two threads concurrently.
     MutexLock l(&g_gmock_mutex);
     Assert(name_ != nullptr, __FILE__, __LINE__,
            "Name() must not be called before SetOwnerAndName() has "
            "been called.");
     name = name_;
   }
   return name;
 }
 
 // Calculates the result of invoking this mock function with the given
 // arguments, prints it, and returns it.  The caller is responsible
 // for deleting the result.
 UntypedActionResultHolderBase* UntypedFunctionMockerBase::UntypedInvokeWith(
     void* const untyped_args) GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
   // See the definition of untyped_expectations_ for why access to it
   // is unprotected here.
   if (untyped_expectations_.size() == 0) {
     // No expectation is set on this mock method - we have an
     // uninteresting call.
 
     // We must get Google Mock's reaction on uninteresting calls
     // made on this mock object BEFORE performing the action,
     // because the action may DELETE the mock object and make the
     // following expression meaningless.
     const CallReaction reaction =
         Mock::GetReactionOnUninterestingCalls(MockObject());
 
     // True if and only if we need to print this call's arguments and return
     // value.  This definition must be kept in sync with
     // the behavior of ReportUninterestingCall().
     const bool need_to_report_uninteresting_call =
         // If the user allows this uninteresting call, we print it
         // only when they want informational messages.
         reaction == kAllow ? LogIsVisible(kInfo) :
                            // If the user wants this to be a warning, we print
                            // it only when they want to see warnings.
             reaction == kWarn
                 ? LogIsVisible(kWarning)
                 :
                 // Otherwise, the user wants this to be an error, and we
                 // should always print detailed information in the error.
                 true;
 
     if (!need_to_report_uninteresting_call) {
       // Perform the action without printing the call information.
       return this->UntypedPerformDefaultAction(
           untyped_args, "Function call: " + std::string(Name()));
     }
 
     // Warns about the uninteresting call.
     ::std::stringstream ss;
     this->UntypedDescribeUninterestingCall(untyped_args, &ss);
 
     // Calculates the function result.
     UntypedActionResultHolderBase* const result =
         this->UntypedPerformDefaultAction(untyped_args, ss.str());
 
     // Prints the function result.
     if (result != nullptr) result->PrintAsActionResult(&ss);
 
     ReportUninterestingCall(reaction, ss.str());
     return result;
   }
 
   bool is_excessive = false;
   ::std::stringstream ss;
   ::std::stringstream why;
   ::std::stringstream loc;
   const void* untyped_action = nullptr;
 
   // The UntypedFindMatchingExpectation() function acquires and
   // releases g_gmock_mutex.
   const ExpectationBase* const untyped_expectation =
       this->UntypedFindMatchingExpectation(
           untyped_args, &untyped_action, &is_excessive,
           &ss, &why);
   const bool found = untyped_expectation != nullptr;
 
   // True if and only if we need to print the call's arguments
   // and return value.
   // This definition must be kept in sync with the uses of Expect()
   // and Log() in this function.
   const bool need_to_report_call =
       !found || is_excessive || LogIsVisible(kInfo);
   if (!need_to_report_call) {
     // Perform the action without printing the call information.
     return untyped_action == nullptr
                ? this->UntypedPerformDefaultAction(untyped_args, "")
                : this->UntypedPerformAction(untyped_action, untyped_args);
   }
 
   ss << "    Function call: " << Name();
   this->UntypedPrintArgs(untyped_args, &ss);
 
   // In case the action deletes a piece of the expectation, we
   // generate the message beforehand.
   if (found && !is_excessive) {
     untyped_expectation->DescribeLocationTo(&loc);
   }
 
   UntypedActionResultHolderBase* const result =
       untyped_action == nullptr
           ? this->UntypedPerformDefaultAction(untyped_args, ss.str())
           : this->UntypedPerformAction(untyped_action, untyped_args);
   if (result != nullptr) result->PrintAsActionResult(&ss);
   ss << "\n" << why.str();
 
   if (!found) {
     // No expectation matches this call - reports a failure.
     Expect(false, nullptr, -1, ss.str());
   } else if (is_excessive) {
     // We had an upper-bound violation and the failure message is in ss.
     Expect(false, untyped_expectation->file(),
            untyped_expectation->line(), ss.str());
   } else {
     // We had an expected call and the matching expectation is
     // described in ss.
     Log(kInfo, loc.str() + ss.str(), 2);
   }
 
   return result;
 }
 
 // Returns an Expectation object that references and co-owns exp,
 // which must be an expectation on this mock function.
 Expectation UntypedFunctionMockerBase::GetHandleOf(ExpectationBase* exp) {
   // See the definition of untyped_expectations_ for why access to it
   // is unprotected here.
   for (UntypedExpectations::const_iterator it =
            untyped_expectations_.begin();
        it != untyped_expectations_.end(); ++it) {
     if (it->get() == exp) {
       return Expectation(*it);
     }
   }
 
   Assert(false, __FILE__, __LINE__, "Cannot find expectation.");
   return Expectation();
   // The above statement is just to make the code compile, and will
   // never be executed.
 }
 
 // Verifies that all expectations on this mock function have been
 // satisfied.  Reports one or more Google Test non-fatal failures
 // and returns false if not.
 bool UntypedFunctionMockerBase::VerifyAndClearExpectationsLocked()
     GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
   g_gmock_mutex.AssertHeld();
   bool expectations_met = true;
   for (UntypedExpectations::const_iterator it =
            untyped_expectations_.begin();
        it != untyped_expectations_.end(); ++it) {
     ExpectationBase* const untyped_expectation = it->get();
     if (untyped_expectation->IsOverSaturated()) {
       // There was an upper-bound violation.  Since the error was
       // already reported when it occurred, there is no need to do
       // anything here.
       expectations_met = false;
     } else if (!untyped_expectation->IsSatisfied()) {
       expectations_met = false;
       ::std::stringstream ss;
       ss  << "Actual function call count doesn't match "
           << untyped_expectation->source_text() << "...\n";
       // No need to show the source file location of the expectation
       // in the description, as the Expect() call that follows already
       // takes care of it.
       untyped_expectation->MaybeDescribeExtraMatcherTo(&ss);
       untyped_expectation->DescribeCallCountTo(&ss);
       Expect(false, untyped_expectation->file(),
              untyped_expectation->line(), ss.str());
     }
   }
 
   // Deleting our expectations may trigger other mock objects to be deleted, for
   // example if an action contains a reference counted smart pointer to that
   // mock object, and that is the last reference. So if we delete our
   // expectations within the context of the global mutex we may deadlock when
   // this method is called again. Instead, make a copy of the set of
   // expectations to delete, clear our set within the mutex, and then clear the
   // copied set outside of it.
   UntypedExpectations expectations_to_delete;
   untyped_expectations_.swap(expectations_to_delete);
 
   g_gmock_mutex.Unlock();
   expectations_to_delete.clear();
   g_gmock_mutex.Lock();
 
   return expectations_met;
 }
 
 CallReaction intToCallReaction(int mock_behavior) {
   if (mock_behavior >= kAllow && mock_behavior <= kFail) {
     return static_cast<internal::CallReaction>(mock_behavior);
   }
   return kWarn;
 }
 
 }  // namespace internal
 
 // Class Mock.
 
 namespace {
 
 typedef std::set<internal::UntypedFunctionMockerBase*> FunctionMockers;
 
 // The current state of a mock object.  Such information is needed for
 // detecting leaked mock objects and explicitly verifying a mock's
 // expectations.
 struct MockObjectState {
   MockObjectState()
       : first_used_file(nullptr), first_used_line(-1), leakable(false) {}
 
   // Where in the source file an ON_CALL or EXPECT_CALL is first
   // invoked on this mock object.
   const char* first_used_file;
   int first_used_line;
   ::std::string first_used_test_suite;
   ::std::string first_used_test;
   bool leakable;  // true if and only if it's OK to leak the object.
   FunctionMockers function_mockers;  // All registered methods of the object.
 };
 
 // A global registry holding the state of all mock objects that are
 // alive.  A mock object is added to this registry the first time
 // Mock::AllowLeak(), ON_CALL(), or EXPECT_CALL() is called on it.  It
 // is removed from the registry in the mock object's destructor.
 class MockObjectRegistry {
  public:
   // Maps a mock object (identified by its address) to its state.
   typedef std::map<const void*, MockObjectState> StateMap;
 
   // This destructor will be called when a program exits, after all
   // tests in it have been run.  By then, there should be no mock
   // object alive.  Therefore we report any living object as test
   // failure, unless the user explicitly asked us to ignore it.
   ~MockObjectRegistry() {
     if (!GMOCK_FLAG(catch_leaked_mocks))
       return;
 
     int leaked_count = 0;
     for (StateMap::const_iterator it = states_.begin(); it != states_.end();
          ++it) {
       if (it->second.leakable)  // The user said it's fine to leak this object.
         continue;
 
       // FIXME: Print the type of the leaked object.
       // This can help the user identify the leaked object.
       std::cout << "\n";
       const MockObjectState& state = it->second;
       std::cout << internal::FormatFileLocation(state.first_used_file,
                                                 state.first_used_line);
       std::cout << " ERROR: this mock object";
       if (state.first_used_test != "") {
         std::cout << " (used in test " << state.first_used_test_suite << "."
                   << state.first_used_test << ")";
       }
       std::cout << " should be deleted but never is. Its address is @"
            << it->first << ".";
       leaked_count++;
     }
     if (leaked_count > 0) {
       std::cout << "\nERROR: " << leaked_count << " leaked mock "
                 << (leaked_count == 1 ? "object" : "objects")
                 << " found at program exit. Expectations on a mock object is "
                    "verified when the object is destructed. Leaking a mock "
                    "means that its expectations aren't verified, which is "
                    "usually a test bug. If you really intend to leak a mock, "
                    "you can suppress this error using "
                    "testing::Mock::AllowLeak(mock_object), or you may use a "
                    "fake or stub instead of a mock.\n";
       std::cout.flush();
       ::std::cerr.flush();
       // RUN_ALL_TESTS() has already returned when this destructor is
       // called.  Therefore we cannot use the normal Google Test
       // failure reporting mechanism.
       _exit(1);  // We cannot call exit() as it is not reentrant and
                  // may already have been called.
     }
   }
 
   StateMap& states() { return states_; }
 
  private:
   StateMap states_;
 };
 
 // Protected by g_gmock_mutex.
 MockObjectRegistry g_mock_object_registry;
 
 // Maps a mock object to the reaction Google Mock should have when an
 // uninteresting method is called.  Protected by g_gmock_mutex.
 std::map<const void*, internal::CallReaction> g_uninteresting_call_reaction;
 
 // Sets the reaction Google Mock should have when an uninteresting
 // method of the given mock object is called.
 void SetReactionOnUninterestingCalls(const void* mock_obj,
                                      internal::CallReaction reaction)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   internal::MutexLock l(&internal::g_gmock_mutex);
   g_uninteresting_call_reaction[mock_obj] = reaction;
 }
 
 }  // namespace
 
 // Tells Google Mock to allow uninteresting calls on the given mock
 // object.
 void Mock::AllowUninterestingCalls(const void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   SetReactionOnUninterestingCalls(mock_obj, internal::kAllow);
 }
 
 // Tells Google Mock to warn the user about uninteresting calls on the
 // given mock object.
 void Mock::WarnUninterestingCalls(const void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   SetReactionOnUninterestingCalls(mock_obj, internal::kWarn);
 }
 
 // Tells Google Mock to fail uninteresting calls on the given mock
 // object.
 void Mock::FailUninterestingCalls(const void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   SetReactionOnUninterestingCalls(mock_obj, internal::kFail);
 }
 
 // Tells Google Mock the given mock object is being destroyed and its
 // entry in the call-reaction table should be removed.
 void Mock::UnregisterCallReaction(const void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   internal::MutexLock l(&internal::g_gmock_mutex);
   g_uninteresting_call_reaction.erase(mock_obj);
 }
 
 // Returns the reaction Google Mock will have on uninteresting calls
 // made on the given mock object.
 internal::CallReaction Mock::GetReactionOnUninterestingCalls(
     const void* mock_obj)
         GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   internal::MutexLock l(&internal::g_gmock_mutex);
   return (g_uninteresting_call_reaction.count(mock_obj) == 0) ?
       internal::intToCallReaction(GMOCK_FLAG(default_mock_behavior)) :
       g_uninteresting_call_reaction[mock_obj];
 }
 
 // Tells Google Mock to ignore mock_obj when checking for leaked mock
 // objects.
 void Mock::AllowLeak(const void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   internal::MutexLock l(&internal::g_gmock_mutex);
   g_mock_object_registry.states()[mock_obj].leakable = true;
 }
 
 // Verifies and clears all expectations on the given mock object.  If
 // the expectations aren't satisfied, generates one or more Google
 // Test non-fatal failures and returns false.
 bool Mock::VerifyAndClearExpectations(void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   internal::MutexLock l(&internal::g_gmock_mutex);
   return VerifyAndClearExpectationsLocked(mock_obj);
 }
 
 // Verifies all expectations on the given mock object and clears its
 // default actions and expectations.  Returns true if and only if the
 // verification was successful.
 bool Mock::VerifyAndClear(void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   internal::MutexLock l(&internal::g_gmock_mutex);
   ClearDefaultActionsLocked(mock_obj);
   return VerifyAndClearExpectationsLocked(mock_obj);
 }
 
 // Verifies and clears all expectations on the given mock object.  If
 // the expectations aren't satisfied, generates one or more Google
 // Test non-fatal failures and returns false.
 bool Mock::VerifyAndClearExpectationsLocked(void* mock_obj)
     GTEST_EXCLUSIVE_LOCK_REQUIRED_(internal::g_gmock_mutex) {
   internal::g_gmock_mutex.AssertHeld();
   if (g_mock_object_registry.states().count(mock_obj) == 0) {
     // No EXPECT_CALL() was set on the given mock object.
     return true;
   }
 
   // Verifies and clears the expectations on each mock method in the
   // given mock object.
   bool expectations_met = true;
   FunctionMockers& mockers =
       g_mock_object_registry.states()[mock_obj].function_mockers;
   for (FunctionMockers::const_iterator it = mockers.begin();
        it != mockers.end(); ++it) {
     if (!(*it)->VerifyAndClearExpectationsLocked()) {
       expectations_met = false;
     }
   }
 
   // We don't clear the content of mockers, as they may still be
   // needed by ClearDefaultActionsLocked().
   return expectations_met;
 }
 
 bool Mock::IsNaggy(void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   return Mock::GetReactionOnUninterestingCalls(mock_obj) == internal::kWarn;
 }
 bool Mock::IsNice(void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   return Mock::GetReactionOnUninterestingCalls(mock_obj) == internal::kAllow;
 }
 bool Mock::IsStrict(void* mock_obj)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   return Mock::GetReactionOnUninterestingCalls(mock_obj) == internal::kFail;
 }
 
 // Registers a mock object and a mock method it owns.
 void Mock::Register(const void* mock_obj,
                     internal::UntypedFunctionMockerBase* mocker)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   internal::MutexLock l(&internal::g_gmock_mutex);
   g_mock_object_registry.states()[mock_obj].function_mockers.insert(mocker);
 }
 
 // Tells Google Mock where in the source code mock_obj is used in an
 // ON_CALL or EXPECT_CALL.  In case mock_obj is leaked, this
 // information helps the user identify which object it is.
 void Mock::RegisterUseByOnCallOrExpectCall(const void* mock_obj,
                                            const char* file, int line)
     GTEST_LOCK_EXCLUDED_(internal::g_gmock_mutex) {
   internal::MutexLock l(&internal::g_gmock_mutex);
   MockObjectState& state = g_mock_object_registry.states()[mock_obj];
   if (state.first_used_file == nullptr) {
     state.first_used_file = file;
     state.first_used_line = line;
     const TestInfo* const test_info =
         UnitTest::GetInstance()->current_test_info();
     if (test_info != nullptr) {
       state.first_used_test_suite = test_info->test_suite_name();
       state.first_used_test = test_info->name();
     }
   }
 }
 
 // Unregisters a mock method; removes the owning mock object from the
 // registry when the last mock method associated with it has been
 // unregistered.  This is called only in the destructor of
 // FunctionMockerBase.
 void Mock::UnregisterLocked(internal::UntypedFunctionMockerBase* mocker)
     GTEST_EXCLUSIVE_LOCK_REQUIRED_(internal::g_gmock_mutex) {
   internal::g_gmock_mutex.AssertHeld();
   for (MockObjectRegistry::StateMap::iterator it =
            g_mock_object_registry.states().begin();
        it != g_mock_object_registry.states().end(); ++it) {
     FunctionMockers& mockers = it->second.function_mockers;
     if (mockers.erase(mocker) > 0) {
       // mocker was in mockers and has been just removed.
       if (mockers.empty()) {
         g_mock_object_registry.states().erase(it);
       }
       return;
     }
   }
 }
 
 // Clears all ON_CALL()s set on the given mock object.
 void Mock::ClearDefaultActionsLocked(void* mock_obj)
     GTEST_EXCLUSIVE_LOCK_REQUIRED_(internal::g_gmock_mutex) {
   internal::g_gmock_mutex.AssertHeld();
 
   if (g_mock_object_registry.states().count(mock_obj) == 0) {
     // No ON_CALL() was set on the given mock object.
     return;
   }
 
   // Clears the default actions for each mock method in the given mock
   // object.
   FunctionMockers& mockers =
       g_mock_object_registry.states()[mock_obj].function_mockers;
   for (FunctionMockers::const_iterator it = mockers.begin();
        it != mockers.end(); ++it) {
     (*it)->ClearDefaultActionsLocked();
   }
 
   // We don't clear the content of mockers, as they may still be
   // needed by VerifyAndClearExpectationsLocked().
 }
 
 Expectation::Expectation() {}
 
 Expectation::Expectation(
     const std::shared_ptr<internal::ExpectationBase>& an_expectation_base)
     : expectation_base_(an_expectation_base) {}
 
 Expectation::~Expectation() {}
 
 // Adds an expectation to a sequence.
 void Sequence::AddExpectation(const Expectation& expectation) const {
   if (*last_expectation_ != expectation) {
     if (last_expectation_->expectation_base() != nullptr) {
       expectation.expectation_base()->immediate_prerequisites_
           += *last_expectation_;
     }
     *last_expectation_ = expectation;
   }
 }
 
 // Creates the implicit sequence if there isn't one.
 InSequence::InSequence() {
   if (internal::g_gmock_implicit_sequence.get() == nullptr) {
     internal::g_gmock_implicit_sequence.set(new Sequence);
     sequence_created_ = true;
   } else {
     sequence_created_ = false;
   }
 }
 
 // Deletes the implicit sequence if it was created by the constructor
 // of this object.
 InSequence::~InSequence() {
   if (sequence_created_) {
     delete internal::g_gmock_implicit_sequence.get();
     internal::g_gmock_implicit_sequence.set(nullptr);
   }
 }
 
 }  // namespace testing
 
 #ifdef _MSC_VER
 #if _MSC_VER == 1900
 #  pragma warning(pop)
 #endif
 #endif