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Diffstat (limited to 'googlemock/test/gmock-matchers_test.h')
-rw-r--r-- | googlemock/test/gmock-matchers_test.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/googlemock/test/gmock-matchers_test.h b/googlemock/test/gmock-matchers_test.h new file mode 100644 index 000000000000..56956076dae0 --- /dev/null +++ b/googlemock/test/gmock-matchers_test.h @@ -0,0 +1,192 @@ +// 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 tests some commonly used argument matchers. + +#ifndef GOOGLEMOCK_TEST_GMOCK_MATCHERS_TEST_H_ +#define GOOGLEMOCK_TEST_GMOCK_MATCHERS_TEST_H_ + +#include <string.h> +#include <time.h> + +#include <array> +#include <cstdint> +#include <deque> +#include <forward_list> +#include <functional> +#include <iostream> +#include <iterator> +#include <limits> +#include <list> +#include <map> +#include <memory> +#include <set> +#include <sstream> +#include <string> +#include <type_traits> +#include <unordered_map> +#include <unordered_set> +#include <utility> +#include <vector> + +#include "gmock/gmock-matchers.h" +#include "gmock/gmock-more-matchers.h" +#include "gmock/gmock.h" +#include "gtest/gtest-spi.h" +#include "gtest/gtest.h" + +namespace testing { +namespace gmock_matchers_test { + +using std::greater; +using std::less; +using std::list; +using std::make_pair; +using std::map; +using std::multimap; +using std::multiset; +using std::ostream; +using std::pair; +using std::set; +using std::stringstream; +using std::vector; +using testing::internal::DummyMatchResultListener; +using testing::internal::ElementMatcherPair; +using testing::internal::ElementMatcherPairs; +using testing::internal::ElementsAreArrayMatcher; +using testing::internal::ExplainMatchFailureTupleTo; +using testing::internal::FloatingEqMatcher; +using testing::internal::FormatMatcherDescription; +using testing::internal::IsReadableTypeName; +using testing::internal::MatchMatrix; +using testing::internal::PredicateFormatterFromMatcher; +using testing::internal::RE; +using testing::internal::StreamMatchResultListener; +using testing::internal::Strings; + +// Helper for testing container-valued matchers in mock method context. It is +// important to test matchers in this context, since it requires additional type +// deduction beyond what EXPECT_THAT does, thus making it more restrictive. +struct ContainerHelper { + MOCK_METHOD1(Call, void(std::vector<std::unique_ptr<int>>)); +}; + +// For testing ExplainMatchResultTo(). +template <typename T> +struct GtestGreaterThanMatcher { + using is_gtest_matcher = void; + + void DescribeTo(ostream* os) const { *os << "is > " << rhs; } + void DescribeNegationTo(ostream* os) const { *os << "is <= " << rhs; } + + bool MatchAndExplain(T lhs, MatchResultListener* listener) const { + if (lhs > rhs) { + *listener << "which is " << (lhs - rhs) << " more than " << rhs; + } else if (lhs == rhs) { + *listener << "which is the same as " << rhs; + } else { + *listener << "which is " << (rhs - lhs) << " less than " << rhs; + } + + return lhs > rhs; + } + + T rhs; +}; + +template <typename T> +GtestGreaterThanMatcher<typename std::decay<T>::type> GtestGreaterThan( + T&& rhs) { + return {rhs}; +} + +// As the matcher above, but using the base class with virtual functions. +template <typename T> +class GreaterThanMatcher : public MatcherInterface<T> { + public: + explicit GreaterThanMatcher(T rhs) : impl_{rhs} {} + + void DescribeTo(ostream* os) const override { impl_.DescribeTo(os); } + void DescribeNegationTo(ostream* os) const override { + impl_.DescribeNegationTo(os); + } + + bool MatchAndExplain(T lhs, MatchResultListener* listener) const override { + return impl_.MatchAndExplain(lhs, listener); + } + + private: + const GtestGreaterThanMatcher<T> impl_; +}; + +// Names and instantiates a new instance of GTestMatcherTestP. +#define INSTANTIATE_GTEST_MATCHER_TEST_P(TestSuite) \ + using TestSuite##P = GTestMatcherTestP; \ + INSTANTIATE_TEST_SUITE_P(MatcherInterface, TestSuite##P, Values(false)); \ + INSTANTIATE_TEST_SUITE_P(GtestMatcher, TestSuite##P, Values(true)) + +class GTestMatcherTestP : public testing::TestWithParam<bool> { + public: + template <typename T> + Matcher<T> GreaterThan(T n) { + if (use_gtest_matcher_) { + return GtestGreaterThan(n); + } else { + return MakeMatcher(new GreaterThanMatcher<T>(n)); + } + } + const bool use_gtest_matcher_ = GetParam(); +}; + +// Returns the description of the given matcher. +template <typename T> +std::string Describe(const Matcher<T>& m) { + return DescribeMatcher<T>(m); +} + +// Returns the description of the negation of the given matcher. +template <typename T> +std::string DescribeNegation(const Matcher<T>& m) { + return DescribeMatcher<T>(m, true); +} + +// Returns the reason why x matches, or doesn't match, m. +template <typename MatcherType, typename Value> +std::string Explain(const MatcherType& m, const Value& x) { + StringMatchResultListener listener; + ExplainMatchResult(m, x, &listener); + return listener.str(); +} + +} // namespace gmock_matchers_test +} // namespace testing + +#endif // GOOGLEMOCK_TEST_GMOCK_MATCHERS_TEST_H_ |