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Kaleidoscope/testing/googletest/googlemock/src/gmock-spec-builders.cc

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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.
// 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"
#include "gtest/internal/gtest-port.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 << internal::FormatFileLocation(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/docs/"
"gmock_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* result = nullptr;
auto perform_action = [&] {
return untyped_action == nullptr
? this->UntypedPerformDefaultAction(untyped_args, ss.str())
: this->UntypedPerformAction(untyped_action, untyped_args);
};
auto handle_failures = [&] {
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);
}
};
#if GTEST_HAS_EXCEPTIONS
try {
result = perform_action();
} catch (...) {
handle_failures();
throw;
}
#else
result = perform_action();
#endif
if (result != nullptr) result->PrintAsActionResult(&ss);
handle_failures();
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 are "
"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