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-rw-r--r--include/gtest/internal/gtest-internal.h252
1 files changed, 172 insertions, 80 deletions
diff --git a/include/gtest/internal/gtest-internal.h b/include/gtest/internal/gtest-internal.h
index ebd1cf6..b762f61 100644
--- a/include/gtest/internal/gtest-internal.h
+++ b/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
@@ -139,6 +141,9 @@ GTEST_API_ std::string AppendUserMessage(
#if GTEST_HAS_EXCEPTIONS
+GTEST_DISABLE_MSC_WARNINGS_PUSH_(4275 \
+/* an exported class was derived from a class that was not exported */)
+
// This exception is thrown by (and only by) a failed Google Test
// assertion when GTEST_FLAG(throw_on_failure) is true (if exceptions
// are enabled). We derive it from std::runtime_error, which is for
@@ -150,32 +155,15 @@ class GTEST_API_ GoogleTestFailureException : public ::std::runtime_error {
explicit GoogleTestFailureException(const TestPartResult& failure);
};
-#endif // GTEST_HAS_EXCEPTIONS
+GTEST_DISABLE_MSC_WARNINGS_POP_() // 4275
-// 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.
+#endif // GTEST_HAS_EXCEPTIONS
namespace edit_distance {
// Returns the optimal edits to go from 'left' to 'right'.
// All edits cost the same, with replace having lower priority than
// add/remove.
-// Simple implementation of the Wagner–Fischer algorithm.
+// Simple implementation of the Wagner-Fischer algorithm.
// See http://en.wikipedia.org/wiki/Wagner-Fischer_algorithm
enum EditType { kMatch, kAdd, kRemove, kReplace };
GTEST_API_ std::vector<EditType> CalculateOptimalEdits(
@@ -502,9 +490,10 @@ typedef void (*SetUpTestCaseFunc)();
typedef void (*TearDownTestCaseFunc)();
struct CodeLocation {
- CodeLocation(const string& a_file, int a_line) : file(a_file), line(a_line) {}
+ CodeLocation(const std::string& a_file, int a_line)
+ : file(a_file), line(a_line) {}
- string file;
+ std::string file;
int line;
};
@@ -544,6 +533,9 @@ GTEST_API_ bool SkipPrefix(const char* prefix, const char** pstr);
#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
+GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
+/* class A needs to have dll-interface to be used by clients of class B */)
+
// State of the definition of a type-parameterized test case.
class GTEST_API_ TypedTestCasePState {
public:
@@ -589,6 +581,8 @@ class GTEST_API_ TypedTestCasePState {
RegisteredTestsMap registered_tests_;
};
+GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251
+
// Skips to the first non-space char after the first comma in 'str';
// returns NULL if no comma is found in 'str'.
inline const char* SkipComma(const char* str) {
@@ -612,6 +606,37 @@ inline std::string GetPrefixUntilComma(const char* str) {
void SplitString(const ::std::string& str, char delimiter,
::std::vector< ::std::string>* dest);
+// The default argument to the template below for the case when the user does
+// not provide a name generator.
+struct DefaultNameGenerator {
+ template <typename T>
+ static std::string GetName(int i) {
+ return StreamableToString(i);
+ }
+};
+
+template <typename Provided = DefaultNameGenerator>
+struct NameGeneratorSelector {
+ typedef Provided type;
+};
+
+template <typename NameGenerator>
+void GenerateNamesRecursively(Types0, std::vector<std::string>*, int) {}
+
+template <typename NameGenerator, typename Types>
+void GenerateNamesRecursively(Types, std::vector<std::string>* result, int i) {
+ result->push_back(NameGenerator::template GetName<typename Types::Head>(i));
+ GenerateNamesRecursively<NameGenerator>(typename Types::Tail(), result,
+ i + 1);
+}
+
+template <typename NameGenerator, typename Types>
+std::vector<std::string> GenerateNames() {
+ std::vector<std::string> result;
+ GenerateNamesRecursively<NameGenerator>(Types(), &result, 0);
+ return result;
+}
+
// TypeParameterizedTest<Fixture, TestSel, Types>::Register()
// registers a list of type-parameterized tests with Google Test. The
// return value is insignificant - we just need to return something
@@ -626,10 +651,10 @@ class TypeParameterizedTest {
// specified in INSTANTIATE_TYPED_TEST_CASE_P(Prefix, TestCase,
// 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 char* case_name, const char* test_names,
- int index) {
+ static bool Register(const char* prefix, const CodeLocation& code_location,
+ const char* case_name, const char* test_names, int index,
+ const std::vector<std::string>& type_names =
+ GenerateNames<DefaultNameGenerator, Types>()) {
typedef typename Types::Head Type;
typedef Fixture<Type> FixtureClass;
typedef typename GTEST_BIND_(TestSel, Type) TestClass;
@@ -637,20 +662,23 @@ class TypeParameterizedTest {
// First, registers the first type-parameterized test in the type
// list.
MakeAndRegisterTestInfo(
- (std::string(prefix) + (prefix[0] == '\0' ? "" : "/") + case_name + "/"
- + StreamableToString(index)).c_str(),
+ (std::string(prefix) + (prefix[0] == '\0' ? "" : "/") + case_name +
+ "/" + type_names[index])
+ .c_str(),
StripTrailingSpaces(GetPrefixUntilComma(test_names)).c_str(),
GetTypeName<Type>().c_str(),
NULL, // No value parameter.
- code_location,
- GetTypeId<FixtureClass>(),
- TestClass::SetUpTestCase,
- TestClass::TearDownTestCase,
- new TestFactoryImpl<TestClass>);
+ code_location, GetTypeId<FixtureClass>(), TestClass::SetUpTestCase,
+ TestClass::TearDownTestCase, new TestFactoryImpl<TestClass>);
// Next, recurses (at compile time) with the tail of the type list.
- return TypeParameterizedTest<Fixture, TestSel, typename Types::Tail>
- ::Register(prefix, code_location, case_name, test_names, index + 1);
+ return TypeParameterizedTest<Fixture, TestSel,
+ typename Types::Tail>::Register(prefix,
+ code_location,
+ case_name,
+ test_names,
+ index + 1,
+ type_names);
}
};
@@ -658,9 +686,11 @@ 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*/) {
+ int /*index*/,
+ const std::vector<std::string>& =
+ std::vector<std::string>() /*type_names*/) {
return true;
}
};
@@ -673,8 +703,10 @@ template <GTEST_TEMPLATE_ Fixture, typename Tests, typename Types>
class TypeParameterizedTestCase {
public:
static bool Register(const char* prefix, CodeLocation code_location,
- const TypedTestCasePState* state,
- const char* case_name, const char* test_names) {
+ const TypedTestCasePState* state, const char* case_name,
+ const char* test_names,
+ const std::vector<std::string>& type_names =
+ GenerateNames<DefaultNameGenerator, Types>()) {
std::string test_name = StripTrailingSpaces(
GetPrefixUntilComma(test_names));
if (!state->TestExists(test_name)) {
@@ -691,12 +723,14 @@ class TypeParameterizedTestCase {
// First, register the first test in 'Test' for each type in 'Types'.
TypeParameterizedTest<Fixture, Head, Types>::Register(
- prefix, test_location, case_name, test_names, 0);
+ prefix, test_location, case_name, test_names, 0, type_names);
// Next, recurses (at compile time) with the tail of the test list.
- return TypeParameterizedTestCase<Fixture, typename Tests::Tail, Types>
- ::Register(prefix, code_location, state,
- case_name, SkipComma(test_names));
+ return TypeParameterizedTestCase<Fixture, typename Tests::Tail,
+ Types>::Register(prefix, code_location,
+ state, case_name,
+ SkipComma(test_names),
+ type_names);
}
};
@@ -704,9 +738,11 @@ 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*/) {
+ const char* /*case_name*/, const char* /*test_names*/,
+ const std::vector<std::string>& =
+ std::vector<std::string>() /*type_names*/) {
return true;
}
};
@@ -823,31 +859,6 @@ 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.
@@ -917,8 +928,11 @@ 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
@@ -928,17 +942,96 @@ 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'; }
+// 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, true, false> : public false_type {};
+
+template <typename C>
+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
+// 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
+// boost::filesystem::path.
+template <typename C>
+struct IsRecursiveContainer : public IsRecursiveContainerImpl<C>::type {};
+
// EnableIf<condition>::type is void when 'Cond' is true, and
// undefined when 'Cond' is false. To use SFINAE to make a function
// overload only apply when a particular expression is true, add
@@ -1070,7 +1163,7 @@ 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.
@@ -1115,7 +1208,7 @@ 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) \
@@ -1235,4 +1328,3 @@ 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_
-