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+// Copyright 2007, Google Inc.
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+// All rights reserved.
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+//
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+// Redistribution and use in source and binary forms, with or without
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+// modification, are permitted provided that the following conditions are
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+// met:
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+//
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+// * Redistributions of source code must retain the above copyright
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+// notice, this list of conditions and the following disclaimer.
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+// * Redistributions in binary form must reproduce the above
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+// copyright notice, this list of conditions and the following disclaimer
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+// in the documentation and/or other materials provided with the
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+// distribution.
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+// * Neither the name of Google Inc. nor the names of its
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+// contributors may be used to endorse or promote products derived from
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+// this software without specific prior written permission.
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+//
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+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+
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+
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+// Google Mock - a framework for writing C++ mock classes.
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+//
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+// This file implements the spec builder syntax (ON_CALL and
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+// EXPECT_CALL).
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+
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+#include "gmock/gmock-spec-builders.h"
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+
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+#include <stdlib.h>
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+#include <iostream> // NOLINT
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+#include <map>
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+#include <memory>
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+#include <set>
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+#include <string>
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+#include <vector>
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+#include "gmock/gmock.h"
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+#include "gtest/gtest.h"
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+
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+#if GTEST_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC
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+# include <unistd.h> // NOLINT
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+#endif
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+
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+// Silence C4800 (C4800: 'int *const ': forcing value
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+// to bool 'true' or 'false') for MSVC 15
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+#ifdef _MSC_VER
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+#if _MSC_VER == 1900
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+# pragma warning(push)
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+# pragma warning(disable:4800)
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+#endif
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+#endif
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+
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+namespace testing {
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+namespace internal {
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+
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+// Protects the mock object registry (in class Mock), all function
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+// mockers, and all expectations.
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+GTEST_API_ GTEST_DEFINE_STATIC_MUTEX_(g_gmock_mutex);
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+
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+// Logs a message including file and line number information.
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+GTEST_API_ void LogWithLocation(testing::internal::LogSeverity severity,
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+ const char* file, int line,
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+ const std::string& message) {
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+ ::std::ostringstream s;
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+ s << file << ":" << line << ": " << message << ::std::endl;
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+ Log(severity, s.str(), 0);
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+}
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+
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+// Constructs an ExpectationBase object.
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+ExpectationBase::ExpectationBase(const char* a_file, int a_line,
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+ const std::string& a_source_text)
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+ : file_(a_file),
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+ line_(a_line),
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+ source_text_(a_source_text),
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+ cardinality_specified_(false),
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+ cardinality_(Exactly(1)),
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+ call_count_(0),
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+ retired_(false),
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+ extra_matcher_specified_(false),
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+ repeated_action_specified_(false),
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+ retires_on_saturation_(false),
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+ last_clause_(kNone),
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+ action_count_checked_(false) {}
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+
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+// Destructs an ExpectationBase object.
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+ExpectationBase::~ExpectationBase() {}
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+
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+// Explicitly specifies the cardinality of this expectation. Used by
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+// the subclasses to implement the .Times() clause.
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+void ExpectationBase::SpecifyCardinality(const Cardinality& a_cardinality) {
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+ cardinality_specified_ = true;
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+ cardinality_ = a_cardinality;
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+}
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+
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+// Retires all pre-requisites of this expectation.
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+void ExpectationBase::RetireAllPreRequisites()
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+ GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
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+ if (is_retired()) {
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+ // We can take this short-cut as we never retire an expectation
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+ // until we have retired all its pre-requisites.
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+ return;
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+ }
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+
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+ ::std::vector<ExpectationBase*> expectations(1, this);
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+ while (!expectations.empty()) {
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+ ExpectationBase* exp = expectations.back();
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+ expectations.pop_back();
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+
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+ for (ExpectationSet::const_iterator it =
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+ exp->immediate_prerequisites_.begin();
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+ it != exp->immediate_prerequisites_.end(); ++it) {
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+ ExpectationBase* next = it->expectation_base().get();
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+ if (!next->is_retired()) {
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+ next->Retire();
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+ expectations.push_back(next);
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+ }
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+ }
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+ }
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+}
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+
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+// Returns true if and only if all pre-requisites of this expectation
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+// have been satisfied.
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+bool ExpectationBase::AllPrerequisitesAreSatisfied() const
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+ GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
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+ g_gmock_mutex.AssertHeld();
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+ ::std::vector<const ExpectationBase*> expectations(1, this);
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+ while (!expectations.empty()) {
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+ const ExpectationBase* exp = expectations.back();
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+ expectations.pop_back();
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+
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+ for (ExpectationSet::const_iterator it =
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+ exp->immediate_prerequisites_.begin();
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+ it != exp->immediate_prerequisites_.end(); ++it) {
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+ const ExpectationBase* next = it->expectation_base().get();
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+ if (!next->IsSatisfied()) return false;
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+ expectations.push_back(next);
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+ }
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+ }
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+ return true;
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+}
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+
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+// Adds unsatisfied pre-requisites of this expectation to 'result'.
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+void ExpectationBase::FindUnsatisfiedPrerequisites(ExpectationSet* result) const
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+ GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
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+ g_gmock_mutex.AssertHeld();
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+ ::std::vector<const ExpectationBase*> expectations(1, this);
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+ while (!expectations.empty()) {
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+ const ExpectationBase* exp = expectations.back();
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+ expectations.pop_back();
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+
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+ for (ExpectationSet::const_iterator it =
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+ exp->immediate_prerequisites_.begin();
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+ it != exp->immediate_prerequisites_.end(); ++it) {
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+ const ExpectationBase* next = it->expectation_base().get();
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+
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+ if (next->IsSatisfied()) {
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+ // If *it is satisfied and has a call count of 0, some of its
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+ // pre-requisites may not be satisfied yet.
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+ if (next->call_count_ == 0) {
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+ expectations.push_back(next);
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+ }
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+ } else {
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+ // Now that we know next is unsatisfied, we are not so interested
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+ // in whether its pre-requisites are satisfied. Therefore we
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+ // don't iterate into it here.
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+ *result += *it;
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+ }
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+ }
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+ }
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+}
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+
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+// Describes how many times a function call matching this
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+// expectation has occurred.
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+void ExpectationBase::DescribeCallCountTo(::std::ostream* os) const
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+ GTEST_EXCLUSIVE_LOCK_REQUIRED_(g_gmock_mutex) {
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+ g_gmock_mutex.AssertHeld();
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+
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+ // Describes how many times the function is expected to be called.
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+ *os << " Expected: to be ";
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+ cardinality().DescribeTo(os);
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+ *os << "\n Actual: ";
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+ Cardinality::DescribeActualCallCountTo(call_count(), os);
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+
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+ // Describes the state of the expectation (e.g. is it satisfied?
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+ // is it active?).
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+ *os << " - " << (IsOverSaturated() ? "over-saturated" :
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+ IsSaturated() ? "saturated" :
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+ IsSatisfied() ? "satisfied" : "unsatisfied")
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+ << " and "
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+ << (is_retired() ? "retired" : "active");
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+}
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+
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+// Checks the action count (i.e. the number of WillOnce() and
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+// WillRepeatedly() clauses) against the cardinality if this hasn't
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+// been done before. Prints a warning if there are too many or too
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+// few actions.
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+void ExpectationBase::CheckActionCountIfNotDone() const
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+ GTEST_LOCK_EXCLUDED_(mutex_) {
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+ bool should_check = false;
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+ {
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+ MutexLock l(&mutex_);
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+ if (!action_count_checked_) {
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+ action_count_checked_ = true;
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+ should_check = true;
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+ }
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+ }
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+
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+ if (should_check) {
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+ if (!cardinality_specified_) {
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+ // The cardinality was inferred - no need to check the action
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+ // count against it.
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+ return;
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+ }
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+
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+ // The cardinality was explicitly specified.
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+ const int action_count = static_cast<int>(untyped_actions_.size());
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+ const int upper_bound = cardinality().ConservativeUpperBound();
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+ const int lower_bound = cardinality().ConservativeLowerBound();
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+ bool too_many; // True if there are too many actions, or false
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+ // if there are too few.
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+ if (action_count > upper_bound ||
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+ (action_count == upper_bound && repeated_action_specified_)) {
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+ too_many = true;
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+ } else if (0 < action_count && action_count < lower_bound &&
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+ !repeated_action_specified_) {
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+ too_many = false;
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+ } else {
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+ return;
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+ }
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+
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+ ::std::stringstream ss;
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+ DescribeLocationTo(&ss);
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+ ss << "Too " << (too_many ? "many" : "few")
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+ << " actions specified in " << source_text() << "...\n"
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+ << "Expected to be ";
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+ cardinality().DescribeTo(&ss);
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+ ss << ", but has " << (too_many ? "" : "only ")
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+ << action_count << " WillOnce()"
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+ << (action_count == 1 ? "" : "s");
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+ if (repeated_action_specified_) {
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+ ss << " and a WillRepeatedly()";
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+ }
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+ ss << ".";
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+ Log(kWarning, ss.str(), -1); // -1 means "don't print stack trace".
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+ }
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+}
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+
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+// Implements the .Times() clause.
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+void ExpectationBase::UntypedTimes(const Cardinality& a_cardinality) {
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+ if (last_clause_ == kTimes) {
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+ ExpectSpecProperty(false,
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+ ".Times() cannot appear "
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+ "more than once in an EXPECT_CALL().");
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+ } else {
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+ ExpectSpecProperty(last_clause_ < kTimes,
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+ ".Times() cannot appear after "
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+ ".InSequence(), .WillOnce(), .WillRepeatedly(), "
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+ "or .RetiresOnSaturation().");
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+ }
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+ last_clause_ = kTimes;
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+
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+ SpecifyCardinality(a_cardinality);
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+}
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+
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+// Points to the implicit sequence introduced by a living InSequence
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+// object (if any) in the current thread or NULL.
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+GTEST_API_ ThreadLocal<Sequence*> g_gmock_implicit_sequence;
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+
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+// Reports an uninteresting call (whose description is in msg) in the
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+// manner specified by 'reaction'.
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+void ReportUninterestingCall(CallReaction reaction, const std::string& msg) {
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+ // Include a stack trace only if --gmock_verbose=info is specified.
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+ const int stack_frames_to_skip =
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+ GMOCK_FLAG(verbose) == kInfoVerbosity ? 3 : -1;
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+ switch (reaction) {
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+ case kAllow:
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+ Log(kInfo, msg, stack_frames_to_skip);
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+ break;
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+ case kWarn:
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+ Log(kWarning,
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+ msg +
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+ "\nNOTE: You can safely ignore the above warning unless this "
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+ "call should not happen. Do not suppress it by blindly adding "
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+ "an EXPECT_CALL() if you don't mean to enforce the call. "
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+ "See "
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+ "https://github.com/google/googletest/blob/master/googlemock/"
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+ "docs/cook_book.md#"
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+ "knowing-when-to-expect for details.\n",
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+ stack_frames_to_skip);
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+ break;
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+ default: // FAIL
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+ Expect(false, nullptr, -1, msg);
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+ }
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+}
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+
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+UntypedFunctionMockerBase::UntypedFunctionMockerBase()
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+ : mock_obj_(nullptr), name_("") {}
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+
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+UntypedFunctionMockerBase::~UntypedFunctionMockerBase() {}
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+
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+// Sets the mock object this mock method belongs to, and registers
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+// this information in the global mock registry. Will be called
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+// whenever an EXPECT_CALL() or ON_CALL() is executed on this mock
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+// method.
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+void UntypedFunctionMockerBase::RegisterOwner(const void* mock_obj)
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+ GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
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+ {
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+ MutexLock l(&g_gmock_mutex);
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+ mock_obj_ = mock_obj;
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+ }
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+ Mock::Register(mock_obj, this);
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+}
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+
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+// Sets the mock object this mock method belongs to, and sets the name
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+// of the mock function. Will be called upon each invocation of this
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+// mock function.
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+void UntypedFunctionMockerBase::SetOwnerAndName(const void* mock_obj,
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+ const char* name)
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+ GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
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+ // We protect name_ under g_gmock_mutex in case this mock function
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+ // is called from two threads concurrently.
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+ MutexLock l(&g_gmock_mutex);
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+ mock_obj_ = mock_obj;
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+ name_ = name;
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+}
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+
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+// Returns the name of the function being mocked. Must be called
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+// after RegisterOwner() or SetOwnerAndName() has been called.
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+const void* UntypedFunctionMockerBase::MockObject() const
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+ GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
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+ const void* mock_obj;
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+ {
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+ // We protect mock_obj_ under g_gmock_mutex in case this mock
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+ // function is called from two threads concurrently.
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+ MutexLock l(&g_gmock_mutex);
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+ Assert(mock_obj_ != nullptr, __FILE__, __LINE__,
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+ "MockObject() must not be called before RegisterOwner() or "
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+ "SetOwnerAndName() has been called.");
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+ mock_obj = mock_obj_;
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+ }
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+ return mock_obj;
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+}
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+
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+// Returns the name of this mock method. Must be called after
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+// SetOwnerAndName() has been called.
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+const char* UntypedFunctionMockerBase::Name() const
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+ GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
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+ const char* name;
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+ {
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+ // We protect name_ under g_gmock_mutex in case this mock
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+ // function is called from two threads concurrently.
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+ MutexLock l(&g_gmock_mutex);
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+ Assert(name_ != nullptr, __FILE__, __LINE__,
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+ "Name() must not be called before SetOwnerAndName() has "
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+ "been called.");
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+ name = name_;
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+ }
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+ return name;
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+}
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+
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+// Calculates the result of invoking this mock function with the given
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+// arguments, prints it, and returns it. The caller is responsible
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+// for deleting the result.
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+UntypedActionResultHolderBase* UntypedFunctionMockerBase::UntypedInvokeWith(
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+ void* const untyped_args) GTEST_LOCK_EXCLUDED_(g_gmock_mutex) {
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+ // See the definition of untyped_expectations_ for why access to it
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+ // is unprotected here.
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+ if (untyped_expectations_.size() == 0) {
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+ // No expectation is set on this mock method - we have an
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+ // uninteresting call.
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+
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+ // We must get Google Mock's reaction on uninteresting calls
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+ // made on this mock object BEFORE performing the action,
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+ // because the action may DELETE the mock object and make the
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+ // following expression meaningless.
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+ const CallReaction reaction =
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+ Mock::GetReactionOnUninterestingCalls(MockObject());
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+
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+ // True if and only if we need to print this call's arguments and return
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+ // value. This definition must be kept in sync with
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+ // the behavior of ReportUninterestingCall().
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+ const bool need_to_report_uninteresting_call =
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+ // If the user allows this uninteresting call, we print it
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|
|
+ // 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
|