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+// 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.
+//
+// Author: wan@google.com (Zhanyong Wan)
+
+// 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 <set>
+#include <string>
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+#if GTEST_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC
+# include <unistd.h> // NOLINT
+#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 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 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;
+ }
+
+ for (ExpectationSet::const_iterator it = immediate_prerequisites_.begin();
+ it != immediate_prerequisites_.end(); ++it) {
+ ExpectationBase* const prerequisite = it->expectation_base().get();
+ if (!prerequisite->is_retired()) {
+ prerequisite->RetireAllPreRequisites();
+ prerequisite->Retire();
+ }
+ }
+}
+
+// Returns true iff all pre-requisites of this expectation have been
+// satisfied.
+bool ExpectationBase::AllPrerequisitesAreSatisfied() const
+ GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
+ g_gmock_mutex.AssertHeld();
+ for (ExpectationSet::const_iterator it = immediate_prerequisites_.begin();
+ it != immediate_prerequisites_.end(); ++it) {
+ if (!(it->expectation_base()->IsSatisfied()) ||
+ !(it->expectation_base()->AllPrerequisitesAreSatisfied()))
+ return false;
+ }
+ 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();
+ for (ExpectationSet::const_iterator it = immediate_prerequisites_.begin();
+ it != immediate_prerequisites_.end(); ++it) {
+ if (it->expectation_base()->IsSatisfied()) {
+ // If *it is satisfied and has a call count of 0, some of its
+ // pre-requisites may not be satisfied yet.
+ if (it->expectation_base()->call_count_ == 0) {
+ it->expectation_base()->FindUnsatisfiedPrerequisites(result);
+ }
+ } else {
+ // Now that we know *it is unsatisfied, we are not so interested
+ // in whether its pre-requisites are satisfied. Therefore we
+ // don't recursively call FindUnsatisfiedPrerequisites() 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 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/CookBook.md#"
+ "knowing-when-to-expect for details.\n",
+ stack_frames_to_skip);
+ break;
+ default: // FAIL
+ Expect(false, NULL, -1, msg);
+ }
+}
+
+UntypedFunctionMockerBase::UntypedFunctionMockerBase()
+ : mock_obj_(NULL), 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_ != NULL, __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_ != NULL, __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(const void* const untyped_args)
+ GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
+ 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 iff 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 he wants informational messages.
+ reaction == kAllow ? LogIsVisible(kInfo) :
+ // If the user wants this to be a warning, we print it only
+ // when he wants 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, "");
+ }
+
+ // 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 != NULL)
+ 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 = NULL;
+
+ // 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 != NULL;
+
+ // True iff 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 == NULL ?
+ 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 == NULL ?
+ this->UntypedPerformDefaultAction(untyped_args, ss.str()) :
+ this->UntypedPerformAction(untyped_action, untyped_args);
+ if (result != NULL)
+ result->PrintAsActionResult(&ss);
+ ss << "\n" << why.str();
+
+ if (!found) {
+ // No expectation matches this call - reports a failure.
+ Expect(false, NULL, -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) {
+ 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;
+}
+
+} // 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(NULL), 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_case;
+ ::std::string first_used_test;
+ bool leakable; // true iff 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() {
+ // "using ::std::cout;" doesn't work with Symbian's STLport, where cout is
+ // a macro.
+
+ 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;
+
+ // TODO(wan@google.com): 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_case << "."
+ << 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.\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::kDefault : 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 iff 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;
+}
+
+// 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 == NULL) {
+ state.first_used_file = file;
+ state.first_used_line = line;
+ const TestInfo* const test_info =
+ UnitTest::GetInstance()->current_test_info();
+ if (test_info != NULL) {
+ // TODO(wan@google.com): record the test case name when the
+ // ON_CALL or EXPECT_CALL is invoked from SetUpTestCase() or
+ // TearDownTestCase().
+ state.first_used_test_case = test_info->test_case_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 internal::linked_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() != NULL) {
+ 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() == NULL) {
+ 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(NULL);
+ }
+}
+
+} // namespace testing