summaryrefslogtreecommitdiffhomepage
path: root/googletest/include/gtest/internal/gtest-param-util.h
diff options
context:
space:
mode:
Diffstat (limited to 'googletest/include/gtest/internal/gtest-param-util.h')
-rw-r--r--googletest/include/gtest/internal/gtest-param-util.h724
1 files changed, 724 insertions, 0 deletions
diff --git a/googletest/include/gtest/internal/gtest-param-util.h b/googletest/include/gtest/internal/gtest-param-util.h
new file mode 100644
index 0000000..d64f620
--- /dev/null
+++ b/googletest/include/gtest/internal/gtest-param-util.h
@@ -0,0 +1,724 @@
+// 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(&parameter_);
+ 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_