aboutsummaryrefslogtreecommitdiffstats
path: root/src/gmock-spec-builders.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/gmock-spec-builders.cc')
-rw-r--r--src/gmock-spec-builders.cc338
1 files changed, 335 insertions, 3 deletions
diff --git a/src/gmock-spec-builders.cc b/src/gmock-spec-builders.cc
index 0d40d9cd..a99caef2 100644
--- a/src/gmock-spec-builders.cc
+++ b/src/gmock-spec-builders.cc
@@ -55,6 +55,15 @@ namespace internal {
// mockers, and all expectations.
GTEST_DEFINE_STATIC_MUTEX_(g_gmock_mutex);
+// Logs a message including file and line number information.
+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,
@@ -65,8 +74,12 @@ ExpectationBase::ExpectationBase(const char* a_file,
cardinality_specified_(false),
cardinality_(Exactly(1)),
call_count_(0),
- retired_(false) {
-}
+ 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() {}
@@ -132,6 +145,99 @@ void ExpectationBase::FindUnsatisfiedPrerequisites(
}
}
+// Describes how many times a function call matching this
+// expectation has occurred.
+// L >= g_gmock_mutex
+void ExpectationBase::DescribeCallCountTo(::std::ostream* os) const {
+ 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.
+// L < mutex_
+void ExpectationBase::CheckActionCountIfNotDone() const {
+ 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(WARNING, 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.
ThreadLocal<Sequence*> g_gmock_implicit_sequence;
@@ -151,6 +257,233 @@ void ReportUninterestingCall(CallReaction reaction, const string& 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.
+// L < g_gmock_mutex
+void UntypedFunctionMockerBase::RegisterOwner(const void* mock_obj) {
+ {
+ 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.
+// L < g_gmock_mutex
+void UntypedFunctionMockerBase::SetOwnerAndName(
+ const void* mock_obj, 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);
+ mock_obj_ = mock_obj;
+ name_ = name;
+}
+
+// Returns the name of the function being mocked. Must be called
+// after RegisterOwner() or SetOwnerAndName() has been called.
+// L < g_gmock_mutex
+const void* UntypedFunctionMockerBase::MockObject() const {
+ 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.
+// L < g_gmock_mutex
+const char* UntypedFunctionMockerBase::Name() const {
+ 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.
+// L < g_gmock_mutex
+const UntypedActionResultHolderBase*
+UntypedFunctionMockerBase::UntypedInvokeWith(const void* const untyped_args) {
+ 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 == ALLOW ? LogIsVisible(INFO) :
+ // If the user wants this to be a warning, we print it only
+ // when he wants to see warnings.
+ reaction == WARN ? LogIsVisible(WARNING) :
+ // 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.
+ const 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(INFO);
+ 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);
+ }
+
+ const 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(INFO, 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.
+// L >= g_gmock_mutex
+bool UntypedFunctionMockerBase::VerifyAndClearExpectationsLocked() {
+ 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());
+ }
+ }
+ untyped_expectations_.clear();
+ return expectations_met;
+}
+
} // namespace internal
// Class Mock.
@@ -190,7 +523,6 @@ class MockObjectRegistry {
// 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.