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- // Copyright 2008 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.
- // Type and function utilities for implementing parameterized tests.
- // GOOGLETEST_CM0001 DO NOT DELETE
- #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
- #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
- #include <ctype.h>
- #include <iterator>
- #include <set>
- #include <utility>
- #include <vector>
- #include "gtest/internal/gtest-internal.h"
- #include "gtest/internal/gtest-linked_ptr.h"
- #include "gtest/internal/gtest-port.h"
- #include "gtest/gtest-printers.h"
- namespace testing {
- // Input to a parameterized test name generator, describing a test parameter.
- // Consists of the parameter value and the integer parameter index.
- template <class ParamType>
- struct TestParamInfo {
- TestParamInfo(const ParamType& a_param, size_t an_index) :
- param(a_param),
- index(an_index) {}
- ParamType param;
- size_t index;
- };
- // A builtin parameterized test name generator which returns the result of
- // testing::PrintToString.
- struct PrintToStringParamName {
- template <class ParamType>
- std::string operator()(const TestParamInfo<ParamType>& info) const {
- return PrintToString(info.param);
- }
- };
- namespace internal {
- // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
- //
- // Outputs a message explaining invalid registration of different
- // fixture class for the same test case. This may happen when
- // TEST_P macro is used to define two tests with the same name
- // but in different namespaces.
- GTEST_API_ void ReportInvalidTestCaseType(const char* test_case_name,
- CodeLocation code_location);
- template <typename> class ParamGeneratorInterface;
- template <typename> class ParamGenerator;
- // Interface for iterating over elements provided by an implementation
- // of ParamGeneratorInterface<T>.
- template <typename T>
- class ParamIteratorInterface {
- public:
- virtual ~ParamIteratorInterface() {}
- // A pointer to the base generator instance.
- // Used only for the purposes of iterator comparison
- // to make sure that two iterators belong to the same generator.
- virtual const ParamGeneratorInterface<T>* BaseGenerator() const = 0;
- // Advances iterator to point to the next element
- // provided by the generator. The caller is responsible
- // for not calling Advance() on an iterator equal to
- // BaseGenerator()->End().
- virtual void Advance() = 0;
- // Clones the iterator object. Used for implementing copy semantics
- // of ParamIterator<T>.
- virtual ParamIteratorInterface* Clone() const = 0;
- // Dereferences the current iterator and provides (read-only) access
- // to the pointed value. It is the caller's responsibility not to call
- // Current() on an iterator equal to BaseGenerator()->End().
- // Used for implementing ParamGenerator<T>::operator*().
- virtual const T* Current() const = 0;
- // Determines whether the given iterator and other point to the same
- // element in the sequence generated by the generator.
- // Used for implementing ParamGenerator<T>::operator==().
- virtual bool Equals(const ParamIteratorInterface& other) const = 0;
- };
- // Class iterating over elements provided by an implementation of
- // ParamGeneratorInterface<T>. It wraps ParamIteratorInterface<T>
- // and implements the const forward iterator concept.
- template <typename T>
- class ParamIterator {
- public:
- typedef T value_type;
- typedef const T& reference;
- typedef ptrdiff_t difference_type;
- // ParamIterator assumes ownership of the impl_ pointer.
- ParamIterator(const ParamIterator& other) : impl_(other.impl_->Clone()) {}
- ParamIterator& operator=(const ParamIterator& other) {
- if (this != &other)
- impl_.reset(other.impl_->Clone());
- return *this;
- }
- const T& operator*() const { return *impl_->Current(); }
- const T* operator->() const { return impl_->Current(); }
- // Prefix version of operator++.
- ParamIterator& operator++() {
- impl_->Advance();
- return *this;
- }
- // Postfix version of operator++.
- ParamIterator operator++(int /*unused*/) {
- ParamIteratorInterface<T>* clone = impl_->Clone();
- impl_->Advance();
- return ParamIterator(clone);
- }
- bool operator==(const ParamIterator& other) const {
- return impl_.get() == other.impl_.get() || impl_->Equals(*other.impl_);
- }
- bool operator!=(const ParamIterator& other) const {
- return !(*this == other);
- }
- private:
- friend class ParamGenerator<T>;
- explicit ParamIterator(ParamIteratorInterface<T>* impl) : impl_(impl) {}
- scoped_ptr<ParamIteratorInterface<T> > impl_;
- };
- // ParamGeneratorInterface<T> is the binary interface to access generators
- // defined in other translation units.
- template <typename T>
- class ParamGeneratorInterface {
- public:
- typedef T ParamType;
- virtual ~ParamGeneratorInterface() {}
- // Generator interface definition
- virtual ParamIteratorInterface<T>* Begin() const = 0;
- virtual ParamIteratorInterface<T>* End() const = 0;
- };
- // Wraps ParamGeneratorInterface<T> and provides general generator syntax
- // compatible with the STL Container concept.
- // This class implements copy initialization semantics and the contained
- // ParamGeneratorInterface<T> instance is shared among all copies
- // of the original object. This is possible because that instance is immutable.
- template<typename T>
- class ParamGenerator {
- public:
- typedef ParamIterator<T> iterator;
- explicit ParamGenerator(ParamGeneratorInterface<T>* impl) : impl_(impl) {}
- ParamGenerator(const ParamGenerator& other) : impl_(other.impl_) {}
- ParamGenerator& operator=(const ParamGenerator& other) {
- impl_ = other.impl_;
- return *this;
- }
- iterator begin() const { return iterator(impl_->Begin()); }
- iterator end() const { return iterator(impl_->End()); }
- private:
- linked_ptr<const ParamGeneratorInterface<T> > impl_;
- };
- // Generates values from a range of two comparable values. Can be used to
- // generate sequences of user-defined types that implement operator+() and
- // operator<().
- // This class is used in the Range() function.
- template <typename T, typename IncrementT>
- class RangeGenerator : public ParamGeneratorInterface<T> {
- public:
- RangeGenerator(T begin, T end, IncrementT step)
- : begin_(begin), end_(end),
- step_(step), end_index_(CalculateEndIndex(begin, end, step)) {}
- virtual ~RangeGenerator() {}
- virtual ParamIteratorInterface<T>* Begin() const {
- return new Iterator(this, begin_, 0, step_);
- }
- virtual ParamIteratorInterface<T>* End() const {
- return new Iterator(this, end_, end_index_, step_);
- }
- private:
- class Iterator : public ParamIteratorInterface<T> {
- public:
- Iterator(const ParamGeneratorInterface<T>* base, T value, int index,
- IncrementT step)
- : base_(base), value_(value), index_(index), step_(step) {}
- virtual ~Iterator() {}
- virtual const ParamGeneratorInterface<T>* BaseGenerator() const {
- return base_;
- }
- virtual void Advance() {
- value_ = static_cast<T>(value_ + step_);
- index_++;
- }
- virtual ParamIteratorInterface<T>* Clone() const {
- return new Iterator(*this);
- }
- virtual const T* Current() const { return &value_; }
- virtual bool Equals(const ParamIteratorInterface<T>& other) const {
- // Having the same base generator guarantees that the other
- // iterator is of the same type and we can downcast.
- GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
- << "The program attempted to compare iterators "
- << "from different generators." << std::endl;
- const int other_index =
- CheckedDowncastToActualType<const Iterator>(&other)->index_;
- return index_ == other_index;
- }
- private:
- Iterator(const Iterator& other)
- : ParamIteratorInterface<T>(),
- base_(other.base_), value_(other.value_), index_(other.index_),
- step_(other.step_) {}
- // No implementation - assignment is unsupported.
- void operator=(const Iterator& other);
- const ParamGeneratorInterface<T>* const base_;
- T value_;
- int index_;
- const IncrementT step_;
- }; // class RangeGenerator::Iterator
- static int CalculateEndIndex(const T& begin,
- const T& end,
- const IncrementT& step) {
- int end_index = 0;
- for (T i = begin; i < end; i = static_cast<T>(i + step))
- end_index++;
- return end_index;
- }
- // No implementation - assignment is unsupported.
- void operator=(const RangeGenerator& other);
- const T begin_;
- const T end_;
- const IncrementT step_;
- // The index for the end() iterator. All the elements in the generated
- // sequence are indexed (0-based) to aid iterator comparison.
- const int end_index_;
- }; // class RangeGenerator
- // Generates values from a pair of STL-style iterators. Used in the
- // ValuesIn() function. The elements are copied from the source range
- // since the source can be located on the stack, and the generator
- // is likely to persist beyond that stack frame.
- template <typename T>
- class ValuesInIteratorRangeGenerator : public ParamGeneratorInterface<T> {
- public:
- template <typename ForwardIterator>
- ValuesInIteratorRangeGenerator(ForwardIterator begin, ForwardIterator end)
- : container_(begin, end) {}
- virtual ~ValuesInIteratorRangeGenerator() {}
- virtual ParamIteratorInterface<T>* Begin() const {
- return new Iterator(this, container_.begin());
- }
- virtual ParamIteratorInterface<T>* End() const {
- return new Iterator(this, container_.end());
- }
- private:
- typedef typename ::std::vector<T> ContainerType;
- class Iterator : public ParamIteratorInterface<T> {
- public:
- Iterator(const ParamGeneratorInterface<T>* base,
- typename ContainerType::const_iterator iterator)
- : base_(base), iterator_(iterator) {}
- virtual ~Iterator() {}
- virtual const ParamGeneratorInterface<T>* BaseGenerator() const {
- return base_;
- }
- virtual void Advance() {
- ++iterator_;
- value_.reset();
- }
- virtual ParamIteratorInterface<T>* Clone() const {
- return new Iterator(*this);
- }
- // We need to use cached value referenced by iterator_ because *iterator_
- // can return a temporary object (and of type other then T), so just
- // having "return &*iterator_;" doesn't work.
- // value_ is updated here and not in Advance() because Advance()
- // can advance iterator_ beyond the end of the range, and we cannot
- // detect that fact. The client code, on the other hand, is
- // responsible for not calling Current() on an out-of-range iterator.
- virtual const T* Current() const {
- if (value_.get() == NULL)
- value_.reset(new T(*iterator_));
- return value_.get();
- }
- virtual bool Equals(const ParamIteratorInterface<T>& other) const {
- // Having the same base generator guarantees that the other
- // iterator is of the same type and we can downcast.
- GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())
- << "The program attempted to compare iterators "
- << "from different generators." << std::endl;
- return iterator_ ==
- CheckedDowncastToActualType<const Iterator>(&other)->iterator_;
- }
- private:
- Iterator(const Iterator& other)
- // The explicit constructor call suppresses a false warning
- // emitted by gcc when supplied with the -Wextra option.
- : ParamIteratorInterface<T>(),
- base_(other.base_),
- iterator_(other.iterator_) {}
- const ParamGeneratorInterface<T>* const base_;
- typename ContainerType::const_iterator iterator_;
- // A cached value of *iterator_. We keep it here to allow access by
- // pointer in the wrapping iterator's operator->().
- // value_ needs to be mutable to be accessed in Current().
- // Use of scoped_ptr helps manage cached value's lifetime,
- // which is bound by the lifespan of the iterator itself.
- mutable scoped_ptr<const T> value_;
- }; // class ValuesInIteratorRangeGenerator::Iterator
- // No implementation - assignment is unsupported.
- void operator=(const ValuesInIteratorRangeGenerator& other);
- const ContainerType container_;
- }; // class ValuesInIteratorRangeGenerator
- // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
- //
- // Default parameterized test name generator, returns a string containing the
- // integer test parameter index.
- template <class ParamType>
- std::string DefaultParamName(const TestParamInfo<ParamType>& info) {
- Message name_stream;
- name_stream << info.index;
- return name_stream.GetString();
- }
- // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
- //
- // Parameterized test name overload helpers, which help the
- // INSTANTIATE_TEST_CASE_P macro choose between the default parameterized
- // test name generator and user param name generator.
- template <class ParamType, class ParamNameGenFunctor>
- ParamNameGenFunctor GetParamNameGen(ParamNameGenFunctor func) {
- return func;
- }
- template <class ParamType>
- struct ParamNameGenFunc {
- typedef std::string Type(const TestParamInfo<ParamType>&);
- };
- template <class ParamType>
- typename ParamNameGenFunc<ParamType>::Type *GetParamNameGen() {
- return DefaultParamName;
- }
- // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
- //
- // Stores a parameter value and later creates tests parameterized with that
- // value.
- template <class TestClass>
- class ParameterizedTestFactory : public TestFactoryBase {
- public:
- typedef typename TestClass::ParamType ParamType;
- explicit ParameterizedTestFactory(ParamType parameter) :
- parameter_(parameter) {}
- virtual Test* CreateTest() {
- TestClass::SetParam(¶meter_);
- return new TestClass();
- }
- private:
- const ParamType parameter_;
- GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestFactory);
- };
- // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
- //
- // TestMetaFactoryBase is a base class for meta-factories that create
- // test factories for passing into MakeAndRegisterTestInfo function.
- template <class ParamType>
- class TestMetaFactoryBase {
- public:
- virtual ~TestMetaFactoryBase() {}
- virtual TestFactoryBase* CreateTestFactory(ParamType parameter) = 0;
- };
- // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
- //
- // TestMetaFactory creates test factories for passing into
- // MakeAndRegisterTestInfo function. Since MakeAndRegisterTestInfo receives
- // ownership of test factory pointer, same factory object cannot be passed
- // into that method twice. But ParameterizedTestCaseInfo is going to call
- // it for each Test/Parameter value combination. Thus it needs meta factory
- // creator class.
- template <class TestCase>
- class TestMetaFactory
- : public TestMetaFactoryBase<typename TestCase::ParamType> {
- public:
- typedef typename TestCase::ParamType ParamType;
- TestMetaFactory() {}
- virtual TestFactoryBase* CreateTestFactory(ParamType parameter) {
- return new ParameterizedTestFactory<TestCase>(parameter);
- }
- private:
- GTEST_DISALLOW_COPY_AND_ASSIGN_(TestMetaFactory);
- };
- // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
- //
- // ParameterizedTestCaseInfoBase is a generic interface
- // to ParameterizedTestCaseInfo classes. ParameterizedTestCaseInfoBase
- // accumulates test information provided by TEST_P macro invocations
- // and generators provided by INSTANTIATE_TEST_CASE_P macro invocations
- // and uses that information to register all resulting test instances
- // in RegisterTests method. The ParameterizeTestCaseRegistry class holds
- // a collection of pointers to the ParameterizedTestCaseInfo objects
- // and calls RegisterTests() on each of them when asked.
- class ParameterizedTestCaseInfoBase {
- public:
- virtual ~ParameterizedTestCaseInfoBase() {}
- // Base part of test case name for display purposes.
- virtual const std::string& GetTestCaseName() const = 0;
- // Test case id to verify identity.
- virtual TypeId GetTestCaseTypeId() const = 0;
- // UnitTest class invokes this method to register tests in this
- // test case right before running them in RUN_ALL_TESTS macro.
- // This method should not be called more then once on any single
- // instance of a ParameterizedTestCaseInfoBase derived class.
- virtual void RegisterTests() = 0;
- protected:
- ParameterizedTestCaseInfoBase() {}
- private:
- GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestCaseInfoBase);
- };
- // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
- //
- // ParameterizedTestCaseInfo accumulates tests obtained from TEST_P
- // macro invocations for a particular test case and generators
- // obtained from INSTANTIATE_TEST_CASE_P macro invocations for that
- // test case. It registers tests with all values generated by all
- // generators when asked.
- template <class TestCase>
- class ParameterizedTestCaseInfo : public ParameterizedTestCaseInfoBase {
- public:
- // ParamType and GeneratorCreationFunc are private types but are required
- // for declarations of public methods AddTestPattern() and
- // AddTestCaseInstantiation().
- typedef typename TestCase::ParamType ParamType;
- // A function that returns an instance of appropriate generator type.
- typedef ParamGenerator<ParamType>(GeneratorCreationFunc)();
- typedef typename ParamNameGenFunc<ParamType>::Type ParamNameGeneratorFunc;
- explicit ParameterizedTestCaseInfo(
- const char* name, CodeLocation code_location)
- : test_case_name_(name), code_location_(code_location) {}
- // Test case base name for display purposes.
- virtual const std::string& GetTestCaseName() const { return test_case_name_; }
- // Test case id to verify identity.
- virtual TypeId GetTestCaseTypeId() const { return GetTypeId<TestCase>(); }
- // TEST_P macro uses AddTestPattern() to record information
- // about a single test in a LocalTestInfo structure.
- // test_case_name is the base name of the test case (without invocation
- // prefix). test_base_name is the name of an individual test without
- // parameter index. For the test SequenceA/FooTest.DoBar/1 FooTest is
- // test case base name and DoBar is test base name.
- void AddTestPattern(const char* test_case_name,
- const char* test_base_name,
- TestMetaFactoryBase<ParamType>* meta_factory) {
- tests_.push_back(linked_ptr<TestInfo>(new TestInfo(test_case_name,
- test_base_name,
- meta_factory)));
- }
- // INSTANTIATE_TEST_CASE_P macro uses AddGenerator() to record information
- // about a generator.
- int AddTestCaseInstantiation(const std::string& instantiation_name,
- GeneratorCreationFunc* func,
- ParamNameGeneratorFunc* name_func,
- const char* file, int line) {
- instantiations_.push_back(
- InstantiationInfo(instantiation_name, func, name_func, file, line));
- return 0; // Return value used only to run this method in namespace scope.
- }
- // UnitTest class invokes this method to register tests in this test case
- // test cases right before running tests in RUN_ALL_TESTS macro.
- // This method should not be called more then once on any single
- // instance of a ParameterizedTestCaseInfoBase derived class.
- // UnitTest has a guard to prevent from calling this method more then once.
- virtual void RegisterTests() {
- for (typename TestInfoContainer::iterator test_it = tests_.begin();
- test_it != tests_.end(); ++test_it) {
- linked_ptr<TestInfo> test_info = *test_it;
- for (typename InstantiationContainer::iterator gen_it =
- instantiations_.begin(); gen_it != instantiations_.end();
- ++gen_it) {
- const std::string& instantiation_name = gen_it->name;
- ParamGenerator<ParamType> generator((*gen_it->generator)());
- ParamNameGeneratorFunc* name_func = gen_it->name_func;
- const char* file = gen_it->file;
- int line = gen_it->line;
- std::string test_case_name;
- if ( !instantiation_name.empty() )
- test_case_name = instantiation_name + "/";
- test_case_name += test_info->test_case_base_name;
- size_t i = 0;
- std::set<std::string> test_param_names;
- for (typename ParamGenerator<ParamType>::iterator param_it =
- generator.begin();
- param_it != generator.end(); ++param_it, ++i) {
- Message test_name_stream;
- std::string param_name = name_func(
- TestParamInfo<ParamType>(*param_it, i));
- GTEST_CHECK_(IsValidParamName(param_name))
- << "Parameterized test name '" << param_name
- << "' is invalid, in " << file
- << " line " << line << std::endl;
- GTEST_CHECK_(test_param_names.count(param_name) == 0)
- << "Duplicate parameterized test name '" << param_name
- << "', in " << file << " line " << line << std::endl;
- test_param_names.insert(param_name);
- test_name_stream << test_info->test_base_name << "/" << param_name;
- MakeAndRegisterTestInfo(
- test_case_name.c_str(),
- test_name_stream.GetString().c_str(),
- NULL, // No type parameter.
- PrintToString(*param_it).c_str(),
- code_location_,
- GetTestCaseTypeId(),
- TestCase::SetUpTestCase,
- TestCase::TearDownTestCase,
- test_info->test_meta_factory->CreateTestFactory(*param_it));
- } // for param_it
- } // for gen_it
- } // for test_it
- } // RegisterTests
- private:
- // LocalTestInfo structure keeps information about a single test registered
- // with TEST_P macro.
- struct TestInfo {
- TestInfo(const char* a_test_case_base_name,
- const char* a_test_base_name,
- TestMetaFactoryBase<ParamType>* a_test_meta_factory) :
- test_case_base_name(a_test_case_base_name),
- test_base_name(a_test_base_name),
- test_meta_factory(a_test_meta_factory) {}
- const std::string test_case_base_name;
- const std::string test_base_name;
- const scoped_ptr<TestMetaFactoryBase<ParamType> > test_meta_factory;
- };
- typedef ::std::vector<linked_ptr<TestInfo> > TestInfoContainer;
- // Records data received from INSTANTIATE_TEST_CASE_P macros:
- // <Instantiation name, Sequence generator creation function,
- // Name generator function, Source file, Source line>
- struct InstantiationInfo {
- InstantiationInfo(const std::string &name_in,
- GeneratorCreationFunc* generator_in,
- ParamNameGeneratorFunc* name_func_in,
- const char* file_in,
- int line_in)
- : name(name_in),
- generator(generator_in),
- name_func(name_func_in),
- file(file_in),
- line(line_in) {}
- std::string name;
- GeneratorCreationFunc* generator;
- ParamNameGeneratorFunc* name_func;
- const char* file;
- int line;
- };
- typedef ::std::vector<InstantiationInfo> InstantiationContainer;
- static bool IsValidParamName(const std::string& name) {
- // Check for empty string
- if (name.empty())
- return false;
- // Check for invalid characters
- for (std::string::size_type index = 0; index < name.size(); ++index) {
- if (!isalnum(name[index]) && name[index] != '_')
- return false;
- }
- return true;
- }
- const std::string test_case_name_;
- CodeLocation code_location_;
- TestInfoContainer tests_;
- InstantiationContainer instantiations_;
- GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestCaseInfo);
- }; // class ParameterizedTestCaseInfo
- // INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
- //
- // ParameterizedTestCaseRegistry contains a map of ParameterizedTestCaseInfoBase
- // classes accessed by test case names. TEST_P and INSTANTIATE_TEST_CASE_P
- // macros use it to locate their corresponding ParameterizedTestCaseInfo
- // descriptors.
- class ParameterizedTestCaseRegistry {
- public:
- ParameterizedTestCaseRegistry() {}
- ~ParameterizedTestCaseRegistry() {
- for (TestCaseInfoContainer::iterator it = test_case_infos_.begin();
- it != test_case_infos_.end(); ++it) {
- delete *it;
- }
- }
- // Looks up or creates and returns a structure containing information about
- // tests and instantiations of a particular test case.
- template <class TestCase>
- ParameterizedTestCaseInfo<TestCase>* GetTestCasePatternHolder(
- const char* test_case_name,
- CodeLocation code_location) {
- ParameterizedTestCaseInfo<TestCase>* typed_test_info = NULL;
- for (TestCaseInfoContainer::iterator it = test_case_infos_.begin();
- it != test_case_infos_.end(); ++it) {
- if ((*it)->GetTestCaseName() == test_case_name) {
- if ((*it)->GetTestCaseTypeId() != GetTypeId<TestCase>()) {
- // Complain about incorrect usage of Google Test facilities
- // and terminate the program since we cannot guaranty correct
- // test case setup and tear-down in this case.
- ReportInvalidTestCaseType(test_case_name, code_location);
- posix::Abort();
- } else {
- // At this point we are sure that the object we found is of the same
- // type we are looking for, so we downcast it to that type
- // without further checks.
- typed_test_info = CheckedDowncastToActualType<
- ParameterizedTestCaseInfo<TestCase> >(*it);
- }
- break;
- }
- }
- if (typed_test_info == NULL) {
- typed_test_info = new ParameterizedTestCaseInfo<TestCase>(
- test_case_name, code_location);
- test_case_infos_.push_back(typed_test_info);
- }
- return typed_test_info;
- }
- void RegisterTests() {
- for (TestCaseInfoContainer::iterator it = test_case_infos_.begin();
- it != test_case_infos_.end(); ++it) {
- (*it)->RegisterTests();
- }
- }
- private:
- typedef ::std::vector<ParameterizedTestCaseInfoBase*> TestCaseInfoContainer;
- TestCaseInfoContainer test_case_infos_;
- GTEST_DISALLOW_COPY_AND_ASSIGN_(ParameterizedTestCaseRegistry);
- };
- } // namespace internal
- } // namespace testing
- #endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
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