diff options
Diffstat (limited to 'googletest/include/gtest/internal/gtest-internal.h')
| -rw-r--r-- | googletest/include/gtest/internal/gtest-internal.h | 152 |
1 files changed, 83 insertions, 69 deletions
diff --git a/googletest/include/gtest/internal/gtest-internal.h b/googletest/include/gtest/internal/gtest-internal.h index 2a6e4da..aa36693 100644 --- a/googletest/include/gtest/internal/gtest-internal.h +++ b/googletest/include/gtest/internal/gtest-internal.h @@ -27,13 +27,13 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // -// Authors: wan@google.com (Zhanyong Wan), eefacm@gmail.com (Sean Mcafee) -// -// The Google C++ Testing Framework (Google Test) +// The Google C++ Testing and Mocking Framework (Google Test) // // This header file declares functions and macros used internally by // Google Test. They are subject to change without notice. +// GOOGLETEST_CM0001 DO NOT DELETE + #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ @@ -61,8 +61,8 @@ #include <vector> #include "gtest/gtest-message.h" -#include "gtest/internal/gtest-string.h" #include "gtest/internal/gtest-filepath.h" +#include "gtest/internal/gtest-string.h" #include "gtest/internal/gtest-type-util.h" // Due to C++ preprocessor weirdness, we need double indirection to @@ -76,6 +76,9 @@ #define GTEST_CONCAT_TOKEN_(foo, bar) GTEST_CONCAT_TOKEN_IMPL_(foo, bar) #define GTEST_CONCAT_TOKEN_IMPL_(foo, bar) foo ## bar +// Stringifies its argument. +#define GTEST_STRINGIFY_(name) #name + class ProtocolMessage; namespace proto2 { class Message; } @@ -96,7 +99,6 @@ template <typename T> namespace internal { struct TraceInfo; // Information about a trace point. -class ScopedTrace; // Implements scoped trace. class TestInfoImpl; // Opaque implementation of TestInfo class UnitTestImpl; // Opaque implementation of UnitTest @@ -152,25 +154,6 @@ class GTEST_API_ GoogleTestFailureException : public ::std::runtime_error { #endif // GTEST_HAS_EXCEPTIONS -// A helper class for creating scoped traces in user programs. -class GTEST_API_ ScopedTrace { - public: - // The c'tor pushes the given source file location and message onto - // a trace stack maintained by Google Test. - ScopedTrace(const char* file, int line, const Message& message); - - // The d'tor pops the info pushed by the c'tor. - // - // Note that the d'tor is not virtual in order to be efficient. - // Don't inherit from ScopedTrace! - ~ScopedTrace(); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedTrace); -} GTEST_ATTRIBUTE_UNUSED_; // A ScopedTrace object does its job in its - // c'tor and d'tor. Therefore it doesn't - // need to be used otherwise. - namespace edit_distance { // Returns the optimal edits to go from 'left' to 'right'. // All edits cost the same, with replace having lower priority than @@ -628,7 +611,7 @@ class TypeParameterizedTest { // Types). Valid values for 'index' are [0, N - 1] where N is the // length of Types. static bool Register(const char* prefix, - CodeLocation code_location, + const CodeLocation& code_location, const char* case_name, const char* test_names, int index) { typedef typename Types::Head Type; @@ -659,7 +642,7 @@ class TypeParameterizedTest { template <GTEST_TEMPLATE_ Fixture, class TestSel> class TypeParameterizedTest<Fixture, TestSel, Types0> { public: - static bool Register(const char* /*prefix*/, CodeLocation, + static bool Register(const char* /*prefix*/, const CodeLocation&, const char* /*case_name*/, const char* /*test_names*/, int /*index*/) { return true; @@ -705,7 +688,7 @@ class TypeParameterizedTestCase { template <GTEST_TEMPLATE_ Fixture, typename Types> class TypeParameterizedTestCase<Fixture, Templates0, Types> { public: - static bool Register(const char* /*prefix*/, CodeLocation, + static bool Register(const char* /*prefix*/, const CodeLocation&, const TypedTestCasePState* /*state*/, const char* /*case_name*/, const char* /*test_names*/) { return true; @@ -824,31 +807,6 @@ struct RemoveConst<T[N]> { #define GTEST_REMOVE_REFERENCE_AND_CONST_(T) \ GTEST_REMOVE_CONST_(GTEST_REMOVE_REFERENCE_(T)) -// Adds reference to a type if it is not a reference type, -// otherwise leaves it unchanged. This is the same as -// tr1::add_reference, which is not widely available yet. -template <typename T> -struct AddReference { typedef T& type; }; // NOLINT -template <typename T> -struct AddReference<T&> { typedef T& type; }; // NOLINT - -// A handy wrapper around AddReference that works when the argument T -// depends on template parameters. -#define GTEST_ADD_REFERENCE_(T) \ - typename ::testing::internal::AddReference<T>::type - -// Adds a reference to const on top of T as necessary. For example, -// it transforms -// -// char ==> const char& -// const char ==> const char& -// char& ==> const char& -// const char& ==> const char& -// -// The argument T must depend on some template parameters. -#define GTEST_REFERENCE_TO_CONST_(T) \ - GTEST_ADD_REFERENCE_(const GTEST_REMOVE_REFERENCE_(T)) - // ImplicitlyConvertible<From, To>::value is a compile-time bool // constant that's true iff type From can be implicitly converted to // type To. @@ -918,8 +876,11 @@ struct IsAProtocolMessage // a container class by checking the type of IsContainerTest<C>(0). // The value of the expression is insignificant. // -// Note that we look for both C::iterator and C::const_iterator. The -// reason is that C++ injects the name of a class as a member of the +// In C++11 mode we check the existence of a const_iterator and that an +// iterator is properly implemented for the container. +// +// For pre-C++11 that we look for both C::iterator and C::const_iterator. +// The reason is that C++ injects the name of a class as a member of the // class itself (e.g. you can refer to class iterator as either // 'iterator' or 'iterator::iterator'). If we look for C::iterator // only, for example, we would mistakenly think that a class named @@ -929,40 +890,94 @@ struct IsAProtocolMessage // IsContainerTest(typename C::const_iterator*) and // IsContainerTest(...) doesn't work with Visual Age C++ and Sun C++. typedef int IsContainer; +#if GTEST_LANG_CXX11 +template <class C, + class Iterator = decltype(::std::declval<const C&>().begin()), + class = decltype(::std::declval<const C&>().end()), + class = decltype(++::std::declval<Iterator&>()), + class = decltype(*::std::declval<Iterator>()), + class = typename C::const_iterator> +IsContainer IsContainerTest(int /* dummy */) { + return 0; +} +#else template <class C> IsContainer IsContainerTest(int /* dummy */, typename C::iterator* /* it */ = NULL, typename C::const_iterator* /* const_it */ = NULL) { return 0; } +#endif // GTEST_LANG_CXX11 typedef char IsNotContainer; template <class C> IsNotContainer IsContainerTest(long /* dummy */) { return '\0'; } -template <typename C, bool = - sizeof(IsContainerTest<C>(0)) == sizeof(IsContainer) -> +// Trait to detect whether a type T is a hash table. +// The heuristic used is that the type contains an inner type `hasher` and does +// not contain an inner type `reverse_iterator`. +// If the container is iterable in reverse, then order might actually matter. +template <typename T> +struct IsHashTable { + private: + template <typename U> + static char test(typename U::hasher*, typename U::reverse_iterator*); + template <typename U> + static int test(typename U::hasher*, ...); + template <typename U> + static char test(...); + + public: + static const bool value = sizeof(test<T>(0, 0)) == sizeof(int); +}; + +template <typename T> +const bool IsHashTable<T>::value; + +template<typename T> +struct VoidT { + typedef void value_type; +}; + +template <typename T, typename = void> +struct HasValueType : false_type {}; +template <typename T> +struct HasValueType<T, VoidT<typename T::value_type> > : true_type { +}; + +template <typename C, + bool = sizeof(IsContainerTest<C>(0)) == sizeof(IsContainer), + bool = HasValueType<C>::value> struct IsRecursiveContainerImpl; +template <typename C, bool HV> +struct IsRecursiveContainerImpl<C, false, HV> : public false_type {}; + +// Since the IsRecursiveContainerImpl depends on the IsContainerTest we need to +// obey the same inconsistencies as the IsContainerTest, namely check if +// something is a container is relying on only const_iterator in C++11 and +// is relying on both const_iterator and iterator otherwise template <typename C> -struct IsRecursiveContainerImpl<C, false> : public false_type {}; +struct IsRecursiveContainerImpl<C, true, false> : public false_type {}; template <typename C> -struct IsRecursiveContainerImpl<C, true> { - typedef - typename IteratorTraits<typename C::iterator>::value_type - value_type; +struct IsRecursiveContainerImpl<C, true, true> { + #if GTEST_LANG_CXX11 + typedef typename IteratorTraits<typename C::const_iterator>::value_type + value_type; +#else + typedef typename IteratorTraits<typename C::iterator>::value_type value_type; +#endif typedef is_same<value_type, C> type; }; // IsRecursiveContainer<Type> is a unary compile-time predicate that -// evaluates whether C is a recursive container type. A recursive container +// evaluates whether C is a recursive container type. A recursive container // type is a container type whose value_type is equal to the container type -// itself. An example for a recursive container type is -// boost::filesystem::path, whose iterator has a value_type that is equal to +// itself. An example for a recursive container type is +// boost::filesystem::path, whose iterator has a value_type that is equal to // boost::filesystem::path. -template<typename C> +template <typename C> struct IsRecursiveContainer : public IsRecursiveContainerImpl<C>::type {}; // EnableIf<condition>::type is void when 'Cond' is true, and @@ -1096,7 +1111,7 @@ class NativeArray { private: enum { kCheckTypeIsNotConstOrAReference = StaticAssertTypeEqHelper< - Element, GTEST_REMOVE_REFERENCE_AND_CONST_(Element)>::value, + Element, GTEST_REMOVE_REFERENCE_AND_CONST_(Element)>::value }; // Initializes this object with a copy of the input. @@ -1141,7 +1156,7 @@ class NativeArray { #define GTEST_SUCCESS_(message) \ GTEST_MESSAGE_(message, ::testing::TestPartResult::kSuccess) -// Suppresses MSVC warnings 4072 (unreachable code) for the code following +// Suppress MSVC warning 4702 (unreachable code) for the code following // statement if it returns or throws (or doesn't return or throw in some // situations). #define GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement) \ @@ -1261,4 +1276,3 @@ class GTEST_TEST_CLASS_NAME_(test_case_name, test_name) : public parent_class {\ void GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::TestBody() #endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ - |