// 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_
+#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_
+#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_
#include "gtest/internal/gtest-port.h"
#include <ctype.h>
#include <float.h>
#include <string.h>
+#include <cstdint>
#include <iomanip>
#include <limits>
#include <map>
#include <set>
#include <string>
+#include <type_traits>
#include <vector>
#include "gtest/gtest-message.h"
#define GTEST_CONCAT_TOKEN_IMPL_(foo, bar) foo ## bar
// Stringifies its argument.
-#define GTEST_STRINGIFY_(name) #name
+// Work around a bug in visual studio which doesn't accept code like this:
+//
+// #define GTEST_STRINGIFY_(name) #name
+// #define MACRO(a, b, c) ... GTEST_STRINGIFY_(a) ...
+// MACRO(, x, y)
+//
+// Complaining about the argument to GTEST_STRINGIFY_ being empty.
+// This is allowed by the spec.
+#define GTEST_STRINGIFY_HELPER_(name, ...) #name
+#define GTEST_STRINGIFY_(...) GTEST_STRINGIFY_HELPER_(__VA_ARGS__, )
-class ProtocolMessage;
-namespace proto2 { class Message; }
+namespace proto2 {
+class MessageLite;
+}
namespace testing {
class Test; // Represents a test.
class TestInfo; // Information about a test.
class TestPartResult; // Result of a test part.
-class UnitTest; // A collection of test cases.
+class UnitTest; // A collection of test suites.
template <typename T>
::std::string PrintToString(const T& value);
// stack trace.
GTEST_API_ extern const char kStackTraceMarker[];
-// Two overloaded helpers for checking at compile time whether an
-// expression is a null pointer literal (i.e. NULL or any 0-valued
-// compile-time integral constant). Their return values have
-// different sizes, so we can use sizeof() to test which version is
-// picked by the compiler. These helpers have no implementations, as
-// we only need their signatures.
-//
-// Given IsNullLiteralHelper(x), the compiler will pick the first
-// version if x can be implicitly converted to Secret*, and pick the
-// second version otherwise. Since Secret is a secret and incomplete
-// type, the only expression a user can write that has type Secret* is
-// a null pointer literal. Therefore, we know that x is a null
-// pointer literal if and only if the first version is picked by the
-// compiler.
-char IsNullLiteralHelper(Secret* p);
-char (&IsNullLiteralHelper(...))[2]; // NOLINT
-
-// A compile-time bool constant that is true if and only if x is a
-// null pointer literal (i.e. NULL or any 0-valued compile-time
-// integral constant).
-#ifdef GTEST_ELLIPSIS_NEEDS_POD_
-// We lose support for NULL detection where the compiler doesn't like
-// passing non-POD classes through ellipsis (...).
-# define GTEST_IS_NULL_LITERAL_(x) false
-#else
-# define GTEST_IS_NULL_LITERAL_(x) \
- (sizeof(::testing::internal::IsNullLiteralHelper(x)) == 1)
-#endif // GTEST_ELLIPSIS_NEEDS_POD_
+// An IgnoredValue object can be implicitly constructed from ANY value.
+class IgnoredValue {
+ struct Sink {};
+ public:
+ // This constructor template allows any value to be implicitly
+ // converted to IgnoredValue. The object has no data member and
+ // doesn't try to remember anything about the argument. We
+ // deliberately omit the 'explicit' keyword in order to allow the
+ // conversion to be implicit.
+ // Disable the conversion if T already has a magical conversion operator.
+ // Otherwise we get ambiguity.
+ template <typename T,
+ typename std::enable_if<!std::is_convertible<T, Sink>::value,
+ int>::type = 0>
+ IgnoredValue(const T& /* ignored */) {} // NOLINT(runtime/explicit)
+};
// Appends the user-supplied message to the Google-Test-generated message.
GTEST_API_ std::string AppendUserMessage(
// expected_value: "5"
// actual_value: "6"
//
-// The ignoring_case parameter is true iff the assertion is a
+// The ignoring_case parameter is true if and only if the assertion is a
// *_STRCASEEQ*. When it's true, the string " (ignoring case)" will
// be inserted into the message.
GTEST_API_ AssertionResult EqFailure(const char* expected_expression,
//
// See the following article for more details on ULP:
// http://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/
- static const size_t kMaxUlps = 4;
+ static const uint32_t kMaxUlps = 4;
// Constructs a FloatingPoint from a raw floating-point number.
//
// Returns the sign bit of this number.
Bits sign_bit() const { return kSignBitMask & u_.bits_; }
- // Returns true iff this is NAN (not a number).
+ // Returns true if and only if this is NAN (not a number).
bool is_nan() const {
// It's a NAN if the exponent bits are all ones and the fraction
// bits are not entirely zeros.
return (exponent_bits() == kExponentBitMask) && (fraction_bits() != 0);
}
- // Returns true iff this number is at most kMaxUlps ULP's away from
- // rhs. In particular, this function:
+ // Returns true if and only if this number is at most kMaxUlps ULP's away
+ // from rhs. In particular, this function:
//
// - returns false if either number is (or both are) NAN.
// - treats really large numbers as almost equal to infinity.
typedef FloatingPoint<double> Double;
// In order to catch the mistake of putting tests that use different
-// test fixture classes in the same test case, we need to assign
+// test fixture classes in the same test suite, we need to assign
// unique IDs to fixture classes and compare them. The TypeId type is
// used to hold such IDs. The user should treat TypeId as an opaque
// type: the only operation allowed on TypeId values is to compare
template <class TestClass>
class TestFactoryImpl : public TestFactoryBase {
public:
- virtual Test* CreateTest() { return new TestClass; }
+ Test* CreateTest() override { return new TestClass; }
};
#if GTEST_OS_WINDOWS
#endif // GTEST_OS_WINDOWS
-// Types of SetUpTestCase() and TearDownTestCase() functions.
-typedef void (*SetUpTestCaseFunc)();
-typedef void (*TearDownTestCaseFunc)();
+// Types of SetUpTestSuite() and TearDownTestSuite() functions.
+using SetUpTestSuiteFunc = void (*)();
+using TearDownTestSuiteFunc = void (*)();
struct CodeLocation {
CodeLocation(const std::string& a_file, int a_line)
int line;
};
+// Helper to identify which setup function for TestCase / TestSuite to call.
+// Only one function is allowed, either TestCase or TestSute but not both.
+
+// Utility functions to help SuiteApiResolver
+using SetUpTearDownSuiteFuncType = void (*)();
+
+inline SetUpTearDownSuiteFuncType GetNotDefaultOrNull(
+ SetUpTearDownSuiteFuncType a, SetUpTearDownSuiteFuncType def) {
+ return a == def ? nullptr : a;
+}
+
+template <typename T>
+// Note that SuiteApiResolver inherits from T because
+// SetUpTestSuite()/TearDownTestSuite() could be protected. Ths way
+// SuiteApiResolver can access them.
+struct SuiteApiResolver : T {
+ // testing::Test is only forward declared at this point. So we make it a
+ // dependend class for the compiler to be OK with it.
+ using Test =
+ typename std::conditional<sizeof(T) != 0, ::testing::Test, void>::type;
+
+ static SetUpTearDownSuiteFuncType GetSetUpCaseOrSuite(const char* filename,
+ int line_num) {
+#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
+ SetUpTearDownSuiteFuncType test_case_fp =
+ GetNotDefaultOrNull(&T::SetUpTestCase, &Test::SetUpTestCase);
+ SetUpTearDownSuiteFuncType test_suite_fp =
+ GetNotDefaultOrNull(&T::SetUpTestSuite, &Test::SetUpTestSuite);
+
+ GTEST_CHECK_(!test_case_fp || !test_suite_fp)
+ << "Test can not provide both SetUpTestSuite and SetUpTestCase, please "
+ "make sure there is only one present at "
+ << filename << ":" << line_num;
+
+ return test_case_fp != nullptr ? test_case_fp : test_suite_fp;
+#else
+ (void)(filename);
+ (void)(line_num);
+ return &T::SetUpTestSuite;
+#endif
+ }
+
+ static SetUpTearDownSuiteFuncType GetTearDownCaseOrSuite(const char* filename,
+ int line_num) {
+#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
+ SetUpTearDownSuiteFuncType test_case_fp =
+ GetNotDefaultOrNull(&T::TearDownTestCase, &Test::TearDownTestCase);
+ SetUpTearDownSuiteFuncType test_suite_fp =
+ GetNotDefaultOrNull(&T::TearDownTestSuite, &Test::TearDownTestSuite);
+
+ GTEST_CHECK_(!test_case_fp || !test_suite_fp)
+ << "Test can not provide both TearDownTestSuite and TearDownTestCase,"
+ " please make sure there is only one present at"
+ << filename << ":" << line_num;
+
+ return test_case_fp != nullptr ? test_case_fp : test_suite_fp;
+#else
+ (void)(filename);
+ (void)(line_num);
+ return &T::TearDownTestSuite;
+#endif
+ }
+};
+
// Creates a new TestInfo object and registers it with Google Test;
// returns the created object.
//
// Arguments:
//
-// test_case_name: name of the test case
+// test_suite_name: name of the test suite
// name: name of the test
-// type_param the name of the test's type parameter, or NULL if
+// type_param: the name of the test's type parameter, or NULL if
// this is not a typed or a type-parameterized test.
-// value_param text representation of the test's value parameter,
+// value_param: text representation of the test's value parameter,
// or NULL if this is not a type-parameterized test.
// code_location: code location where the test is defined
// fixture_class_id: ID of the test fixture class
-// set_up_tc: pointer to the function that sets up the test case
-// tear_down_tc: pointer to the function that tears down the test case
+// set_up_tc: pointer to the function that sets up the test suite
+// tear_down_tc: pointer to the function that tears down the test suite
// factory: pointer to the factory that creates a test object.
// The newly created TestInfo instance will assume
// ownership of the factory object.
GTEST_API_ TestInfo* MakeAndRegisterTestInfo(
- const char* test_case_name,
- const char* name,
- const char* type_param,
- const char* value_param,
- CodeLocation code_location,
- TypeId fixture_class_id,
- SetUpTestCaseFunc set_up_tc,
- TearDownTestCaseFunc tear_down_tc,
- TestFactoryBase* factory);
+ const char* test_suite_name, const char* name, const char* type_param,
+ const char* value_param, CodeLocation code_location,
+ TypeId fixture_class_id, SetUpTestSuiteFunc set_up_tc,
+ TearDownTestSuiteFunc tear_down_tc, TestFactoryBase* factory);
// If *pstr starts with the given prefix, modifies *pstr to be right
// past the prefix and returns true; otherwise leaves *pstr unchanged
// and returns false. None of pstr, *pstr, and prefix can be NULL.
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 {
+// State of the definition of a type-parameterized test suite.
+class GTEST_API_ TypedTestSuitePState {
public:
- TypedTestCasePState() : registered_(false) {}
+ TypedTestSuitePState() : registered_(false) {}
// Adds the given test name to defined_test_names_ and return true
- // if the test case hasn't been registered; otherwise aborts the
+ // if the test suite hasn't been registered; otherwise aborts the
// program.
bool AddTestName(const char* file, int line, const char* case_name,
const char* test_name) {
if (registered_) {
- fprintf(stderr, "%s Test %s must be defined before "
- "REGISTER_TYPED_TEST_CASE_P(%s, ...).\n",
+ fprintf(stderr,
+ "%s Test %s must be defined before "
+ "REGISTER_TYPED_TEST_SUITE_P(%s, ...).\n",
FormatFileLocation(file, line).c_str(), test_name, case_name);
fflush(stderr);
posix::Abort();
// Verifies that registered_tests match the test names in
// defined_test_names_; returns registered_tests if successful, or
// aborts the program otherwise.
- const char* VerifyRegisteredTestNames(
- const char* file, int line, const char* registered_tests);
+ const char* VerifyRegisteredTestNames(const char* test_suite_name,
+ const char* file, int line,
+ const char* registered_tests);
private:
typedef ::std::map<std::string, CodeLocation> RegisteredTestsMap;
RegisteredTestsMap registered_tests_;
};
+// Legacy API is deprecated but still available
+#ifndef GTEST_REMOVE_LEGACY_TEST_CASEAPI_
+using TypedTestCasePState = TypedTestSuitePState;
+#endif // GTEST_REMOVE_LEGACY_TEST_CASEAPI_
+
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) {
const char* comma = strchr(str, ',');
- if (comma == NULL) {
- return NULL;
+ if (comma == nullptr) {
+ return nullptr;
}
while (IsSpace(*(++comma))) {}
return comma;
// the entire string if it contains no comma.
inline std::string GetPrefixUntilComma(const char* str) {
const char* comma = strchr(str, ',');
- return comma == NULL ? str : std::string(str, comma);
+ return comma == nullptr ? str : std::string(str, comma);
}
// Splits a given string on a given delimiter, populating a given
};
template <typename NameGenerator>
-void GenerateNamesRecursively(Types0, std::vector<std::string>*, int) {}
+void GenerateNamesRecursively(internal::None, std::vector<std::string>*, int) {}
template <typename NameGenerator, typename Types>
void GenerateNamesRecursively(Types, std::vector<std::string>* result, int i) {
class TypeParameterizedTest {
public:
// 'index' is the index of the test in the type list 'Types'
- // specified in INSTANTIATE_TYPED_TEST_CASE_P(Prefix, TestCase,
+ // specified in INSTANTIATE_TYPED_TEST_SUITE_P(Prefix, TestSuite,
// Types). Valid values for 'index' are [0, N - 1] where N is the
// length of Types.
static bool Register(const char* prefix, const CodeLocation& code_location,
// list.
MakeAndRegisterTestInfo(
(std::string(prefix) + (prefix[0] == '\0' ? "" : "/") + case_name +
- "/" + type_names[index])
+ "/" + type_names[static_cast<size_t>(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>);
+ nullptr, // No value parameter.
+ code_location, GetTypeId<FixtureClass>(),
+ SuiteApiResolver<TestClass>::GetSetUpCaseOrSuite(
+ code_location.file.c_str(), code_location.line),
+ SuiteApiResolver<TestClass>::GetTearDownCaseOrSuite(
+ code_location.file.c_str(), code_location.line),
+ new TestFactoryImpl<TestClass>);
// Next, recurses (at compile time) with the tail of the type list.
return TypeParameterizedTest<Fixture, TestSel,
// The base case for the compile time recursion.
template <GTEST_TEMPLATE_ Fixture, class TestSel>
-class TypeParameterizedTest<Fixture, TestSel, Types0> {
+class TypeParameterizedTest<Fixture, TestSel, internal::None> {
public:
static bool Register(const char* /*prefix*/, const CodeLocation&,
const char* /*case_name*/, const char* /*test_names*/,
}
};
-// TypeParameterizedTestCase<Fixture, Tests, Types>::Register()
+GTEST_API_ void RegisterTypeParameterizedTestSuite(const char* test_suite_name,
+ CodeLocation code_location);
+GTEST_API_ void RegisterTypeParameterizedTestSuiteInstantiation(
+ const char* case_name);
+
+// TypeParameterizedTestSuite<Fixture, Tests, Types>::Register()
// registers *all combinations* of 'Tests' and 'Types' with Google
// Test. The return value is insignificant - we just need to return
// something such that we can call this function in a namespace scope.
template <GTEST_TEMPLATE_ Fixture, typename Tests, typename Types>
-class TypeParameterizedTestCase {
+class TypeParameterizedTestSuite {
public:
static bool Register(const char* prefix, CodeLocation code_location,
- const TypedTestCasePState* state, const char* case_name,
+ const TypedTestSuitePState* state, const char* case_name,
const char* test_names,
const std::vector<std::string>& type_names =
GenerateNames<DefaultNameGenerator, Types>()) {
+ RegisterTypeParameterizedTestSuiteInstantiation(case_name);
std::string test_name = StripTrailingSpaces(
GetPrefixUntilComma(test_names));
if (!state->TestExists(test_name)) {
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),
- type_names);
+ return TypeParameterizedTestSuite<Fixture, typename Tests::Tail,
+ Types>::Register(prefix, code_location,
+ state, case_name,
+ SkipComma(test_names),
+ type_names);
}
};
// The base case for the compile time recursion.
template <GTEST_TEMPLATE_ Fixture, typename Types>
-class TypeParameterizedTestCase<Fixture, Templates0, Types> {
+class TypeParameterizedTestSuite<Fixture, internal::None, Types> {
public:
static bool Register(const char* /*prefix*/, const CodeLocation&,
- const TypedTestCasePState* /*state*/,
+ const TypedTestSuitePState* /*state*/,
const char* /*case_name*/, const char* /*test_names*/,
const std::vector<std::string>& =
std::vector<std::string>() /*type_names*/) {
}
};
-#endif // GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
-
// Returns the current OS stack trace as an std::string.
//
// The maximum number of stack frames to be included is specified by
const char* value;
};
+// Helper for declaring std::string within 'if' statement
+// in pre C++17 build environment.
+struct TrueWithString {
+ TrueWithString() = default;
+ explicit TrueWithString(const char* str) : value(str) {}
+ explicit TrueWithString(const std::string& str) : value(str) {}
+ explicit operator bool() const { return true; }
+ std::string value;
+};
+
// A simple Linear Congruential Generator for generating random
// numbers with a uniform distribution. Unlike rand() and srand(), it
// doesn't use global state (and therefore can't interfere with user
// but it's good enough for our purposes.
class GTEST_API_ Random {
public:
- static const UInt32 kMaxRange = 1u << 31;
+ static const uint32_t kMaxRange = 1u << 31;
- explicit Random(UInt32 seed) : state_(seed) {}
+ explicit Random(uint32_t seed) : state_(seed) {}
- void Reseed(UInt32 seed) { state_ = seed; }
+ void Reseed(uint32_t seed) { state_ = seed; }
// Generates a random number from [0, range). Crashes if 'range' is
// 0 or greater than kMaxRange.
- UInt32 Generate(UInt32 range);
+ uint32_t Generate(uint32_t range);
private:
- UInt32 state_;
+ uint32_t state_;
GTEST_DISALLOW_COPY_AND_ASSIGN_(Random);
};
-// Defining a variable of type CompileAssertTypesEqual<T1, T2> will cause a
-// compiler error iff T1 and T2 are different types.
-template <typename T1, typename T2>
-struct CompileAssertTypesEqual;
-
-template <typename T>
-struct CompileAssertTypesEqual<T, T> {
-};
-
-// Removes the reference from a type if it is a reference type,
-// otherwise leaves it unchanged. This is the same as
-// tr1::remove_reference, which is not widely available yet.
-template <typename T>
-struct RemoveReference { typedef T type; }; // NOLINT
-template <typename T>
-struct RemoveReference<T&> { typedef T type; }; // NOLINT
-
-// A handy wrapper around RemoveReference that works when the argument
-// T depends on template parameters.
-#define GTEST_REMOVE_REFERENCE_(T) \
- typename ::testing::internal::RemoveReference<T>::type
+// Turns const U&, U&, const U, and U all into U.
+#define GTEST_REMOVE_REFERENCE_AND_CONST_(T) \
+ typename std::remove_const<typename std::remove_reference<T>::type>::type
-// Removes const from a type if it is a const type, otherwise leaves
-// it unchanged. This is the same as tr1::remove_const, which is not
-// widely available yet.
-template <typename T>
-struct RemoveConst { typedef T type; }; // NOLINT
+// HasDebugStringAndShortDebugString<T>::value is a compile-time bool constant
+// that's true if and only if T has methods DebugString() and ShortDebugString()
+// that return std::string.
template <typename T>
-struct RemoveConst<const T> { typedef T type; }; // NOLINT
-
-// MSVC 8.0, Sun C++, and IBM XL C++ have a bug which causes the above
-// definition to fail to remove the const in 'const int[3]' and 'const
-// char[3][4]'. The following specialization works around the bug.
-template <typename T, size_t N>
-struct RemoveConst<const T[N]> {
- typedef typename RemoveConst<T>::type type[N];
-};
-
-#if defined(_MSC_VER) && _MSC_VER < 1400
-// This is the only specialization that allows VC++ 7.1 to remove const in
-// 'const int[3] and 'const int[3][4]'. However, it causes trouble with GCC
-// and thus needs to be conditionally compiled.
-template <typename T, size_t N>
-struct RemoveConst<T[N]> {
- typedef typename RemoveConst<T>::type type[N];
-};
-#endif
+class HasDebugStringAndShortDebugString {
+ private:
+ template <typename C>
+ static auto CheckDebugString(C*) -> typename std::is_same<
+ std::string, decltype(std::declval<const C>().DebugString())>::type;
+ template <typename>
+ static std::false_type CheckDebugString(...);
-// A handy wrapper around RemoveConst that works when the argument
-// T depends on template parameters.
-#define GTEST_REMOVE_CONST_(T) \
- typename ::testing::internal::RemoveConst<T>::type
+ template <typename C>
+ static auto CheckShortDebugString(C*) -> typename std::is_same<
+ std::string, decltype(std::declval<const C>().ShortDebugString())>::type;
+ template <typename>
+ static std::false_type CheckShortDebugString(...);
-// Turns const U&, U&, const U, and U all into U.
-#define GTEST_REMOVE_REFERENCE_AND_CONST_(T) \
- GTEST_REMOVE_CONST_(GTEST_REMOVE_REFERENCE_(T))
+ using HasDebugStringType = decltype(CheckDebugString<T>(nullptr));
+ using HasShortDebugStringType = decltype(CheckShortDebugString<T>(nullptr));
-// ImplicitlyConvertible<From, To>::value is a compile-time bool
-// constant that's true iff type From can be implicitly converted to
-// type To.
-template <typename From, typename To>
-class ImplicitlyConvertible {
- private:
- // We need the following helper functions only for their types.
- // They have no implementations.
-
- // MakeFrom() is an expression whose type is From. We cannot simply
- // use From(), as the type From may not have a public default
- // constructor.
- static typename AddReference<From>::type MakeFrom();
-
- // These two functions are overloaded. Given an expression
- // Helper(x), the compiler will pick the first version if x can be
- // implicitly converted to type To; otherwise it will pick the
- // second version.
- //
- // The first version returns a value of size 1, and the second
- // version returns a value of size 2. Therefore, by checking the
- // size of Helper(x), which can be done at compile time, we can tell
- // which version of Helper() is used, and hence whether x can be
- // implicitly converted to type To.
- static char Helper(To);
- static char (&Helper(...))[2]; // NOLINT
-
- // We have to put the 'public' section after the 'private' section,
- // or MSVC refuses to compile the code.
public:
-#if defined(__BORLANDC__)
- // C++Builder cannot use member overload resolution during template
- // instantiation. The simplest workaround is to use its C++0x type traits
- // functions (C++Builder 2009 and above only).
- static const bool value = __is_convertible(From, To);
-#else
- // MSVC warns about implicitly converting from double to int for
- // possible loss of data, so we need to temporarily disable the
- // warning.
- GTEST_DISABLE_MSC_WARNINGS_PUSH_(4244)
- static const bool value =
- sizeof(Helper(ImplicitlyConvertible::MakeFrom())) == 1;
- GTEST_DISABLE_MSC_WARNINGS_POP_()
-#endif // __BORLANDC__
+ static constexpr bool value =
+ HasDebugStringType::value && HasShortDebugStringType::value;
};
-template <typename From, typename To>
-const bool ImplicitlyConvertible<From, To>::value;
-// IsAProtocolMessage<T>::value is a compile-time bool constant that's
-// true iff T is type ProtocolMessage, proto2::Message, or a subclass
-// of those.
template <typename T>
-struct IsAProtocolMessage
- : public bool_constant<
- ImplicitlyConvertible<const T*, const ::ProtocolMessage*>::value ||
- ImplicitlyConvertible<const T*, const ::proto2::Message*>::value> {
-};
+constexpr bool HasDebugStringAndShortDebugString<T>::value;
// When the compiler sees expression IsContainerTest<C>(0), if C is an
// STL-style container class, the first overload of IsContainerTest
// 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()),
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>
static char test(...);
public:
- static const bool value = sizeof(test<T>(0, 0)) == sizeof(int);
+ static const bool value = sizeof(test<T>(nullptr, nullptr)) == 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>
+ bool = sizeof(IsContainerTest<C>(0)) == sizeof(IsContainer)>
struct IsRecursiveContainerImpl;
-template <typename C, bool HV>
-struct IsRecursiveContainerImpl<C, false, HV> : public false_type {};
+template <typename C>
+struct IsRecursiveContainerImpl<C, false> : public std::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;
+struct IsRecursiveContainerImpl<C, true> {
+ using value_type = decltype(*std::declval<typename C::const_iterator>());
+ using type =
+ std::is_same<typename std::remove_const<
+ typename std::remove_reference<value_type>::type>::type,
+ C>;
};
// IsRecursiveContainer<Type> is a unary compile-time predicate that
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
-// "typename EnableIf<expression>::type* = 0" as the last parameter.
-template<bool> struct EnableIf;
-template<> struct EnableIf<true> { typedef void type; }; // NOLINT
-
// Utilities for native arrays.
// ArrayEq() compares two k-dimensional native arrays using the
}
private:
- enum {
- kCheckTypeIsNotConstOrAReference = StaticAssertTypeEqHelper<
- Element, GTEST_REMOVE_REFERENCE_AND_CONST_(Element)>::value
- };
+ static_assert(!std::is_const<Element>::value, "Type must not be const");
+ static_assert(!std::is_reference<Element>::value,
+ "Type must not be a reference");
// Initializes this object with a copy of the input.
void InitCopy(const Element* array, size_t a_size) {
const Element* array_;
size_t size_;
void (NativeArray::*clone_)(const Element*, size_t);
+};
+
+// Backport of std::index_sequence.
+template <size_t... Is>
+struct IndexSequence {
+ using type = IndexSequence;
+};
- GTEST_DISALLOW_ASSIGN_(NativeArray);
+// Double the IndexSequence, and one if plus_one is true.
+template <bool plus_one, typename T, size_t sizeofT>
+struct DoubleSequence;
+template <size_t... I, size_t sizeofT>
+struct DoubleSequence<true, IndexSequence<I...>, sizeofT> {
+ using type = IndexSequence<I..., (sizeofT + I)..., 2 * sizeofT>;
};
+template <size_t... I, size_t sizeofT>
+struct DoubleSequence<false, IndexSequence<I...>, sizeofT> {
+ using type = IndexSequence<I..., (sizeofT + I)...>;
+};
+
+// Backport of std::make_index_sequence.
+// It uses O(ln(N)) instantiation depth.
+template <size_t N>
+struct MakeIndexSequenceImpl
+ : DoubleSequence<N % 2 == 1, typename MakeIndexSequenceImpl<N / 2>::type,
+ N / 2>::type {};
+
+template <>
+struct MakeIndexSequenceImpl<0> : IndexSequence<> {};
+
+template <size_t N>
+using MakeIndexSequence = typename MakeIndexSequenceImpl<N>::type;
+
+template <typename... T>
+using IndexSequenceFor = typename MakeIndexSequence<sizeof...(T)>::type;
+
+template <size_t>
+struct Ignore {
+ Ignore(...); // NOLINT
+};
+
+template <typename>
+struct ElemFromListImpl;
+template <size_t... I>
+struct ElemFromListImpl<IndexSequence<I...>> {
+ // We make Ignore a template to solve a problem with MSVC.
+ // A non-template Ignore would work fine with `decltype(Ignore(I))...`, but
+ // MSVC doesn't understand how to deal with that pack expansion.
+ // Use `0 * I` to have a single instantiation of Ignore.
+ template <typename R>
+ static R Apply(Ignore<0 * I>..., R (*)(), ...);
+};
+
+template <size_t N, typename... T>
+struct ElemFromList {
+ using type =
+ decltype(ElemFromListImpl<typename MakeIndexSequence<N>::type>::Apply(
+ static_cast<T (*)()>(nullptr)...));
+};
+
+struct FlatTupleConstructTag {};
+
+template <typename... T>
+class FlatTuple;
+
+template <typename Derived, size_t I>
+struct FlatTupleElemBase;
+
+template <typename... T, size_t I>
+struct FlatTupleElemBase<FlatTuple<T...>, I> {
+ using value_type = typename ElemFromList<I, T...>::type;
+ FlatTupleElemBase() = default;
+ template <typename Arg>
+ explicit FlatTupleElemBase(FlatTupleConstructTag, Arg&& t)
+ : value(std::forward<Arg>(t)) {}
+ value_type value;
+};
+
+template <typename Derived, typename Idx>
+struct FlatTupleBase;
+
+template <size_t... Idx, typename... T>
+struct FlatTupleBase<FlatTuple<T...>, IndexSequence<Idx...>>
+ : FlatTupleElemBase<FlatTuple<T...>, Idx>... {
+ using Indices = IndexSequence<Idx...>;
+ FlatTupleBase() = default;
+ template <typename... Args>
+ explicit FlatTupleBase(FlatTupleConstructTag, Args&&... args)
+ : FlatTupleElemBase<FlatTuple<T...>, Idx>(FlatTupleConstructTag{},
+ std::forward<Args>(args))... {}
+
+ template <size_t I>
+ const typename ElemFromList<I, T...>::type& Get() const {
+ return FlatTupleElemBase<FlatTuple<T...>, I>::value;
+ }
+
+ template <size_t I>
+ typename ElemFromList<I, T...>::type& Get() {
+ return FlatTupleElemBase<FlatTuple<T...>, I>::value;
+ }
+
+ template <typename F>
+ auto Apply(F&& f) -> decltype(std::forward<F>(f)(this->Get<Idx>()...)) {
+ return std::forward<F>(f)(Get<Idx>()...);
+ }
+
+ template <typename F>
+ auto Apply(F&& f) const -> decltype(std::forward<F>(f)(this->Get<Idx>()...)) {
+ return std::forward<F>(f)(Get<Idx>()...);
+ }
+};
+
+// Analog to std::tuple but with different tradeoffs.
+// This class minimizes the template instantiation depth, thus allowing more
+// elements than std::tuple would. std::tuple has been seen to require an
+// instantiation depth of more than 10x the number of elements in some
+// implementations.
+// FlatTuple and ElemFromList are not recursive and have a fixed depth
+// regardless of T...
+// MakeIndexSequence, on the other hand, it is recursive but with an
+// instantiation depth of O(ln(N)).
+template <typename... T>
+class FlatTuple
+ : private FlatTupleBase<FlatTuple<T...>,
+ typename MakeIndexSequence<sizeof...(T)>::type> {
+ using Indices = typename FlatTupleBase<
+ FlatTuple<T...>, typename MakeIndexSequence<sizeof...(T)>::type>::Indices;
+
+ public:
+ FlatTuple() = default;
+ template <typename... Args>
+ explicit FlatTuple(FlatTupleConstructTag tag, Args&&... args)
+ : FlatTuple::FlatTupleBase(tag, std::forward<Args>(args)...) {}
+
+ using FlatTuple::FlatTupleBase::Apply;
+ using FlatTuple::FlatTupleBase::Get;
+};
+
+// Utility functions to be called with static_assert to induce deprecation
+// warnings.
+GTEST_INTERNAL_DEPRECATED(
+ "INSTANTIATE_TEST_CASE_P is deprecated, please use "
+ "INSTANTIATE_TEST_SUITE_P")
+constexpr bool InstantiateTestCase_P_IsDeprecated() { return true; }
+
+GTEST_INTERNAL_DEPRECATED(
+ "TYPED_TEST_CASE_P is deprecated, please use "
+ "TYPED_TEST_SUITE_P")
+constexpr bool TypedTestCase_P_IsDeprecated() { return true; }
+
+GTEST_INTERNAL_DEPRECATED(
+ "TYPED_TEST_CASE is deprecated, please use "
+ "TYPED_TEST_SUITE")
+constexpr bool TypedTestCaseIsDeprecated() { return true; }
+
+GTEST_INTERNAL_DEPRECATED(
+ "REGISTER_TYPED_TEST_CASE_P is deprecated, please use "
+ "REGISTER_TYPED_TEST_SUITE_P")
+constexpr bool RegisterTypedTestCase_P_IsDeprecated() { return true; }
+
+GTEST_INTERNAL_DEPRECATED(
+ "INSTANTIATE_TYPED_TEST_CASE_P is deprecated, please use "
+ "INSTANTIATE_TYPED_TEST_SUITE_P")
+constexpr bool InstantiateTypedTestCase_P_IsDeprecated() { return true; }
} // namespace internal
} // namespace testing
+namespace std {
+// Some standard library implementations use `struct tuple_size` and some use
+// `class tuple_size`. Clang warns about the mismatch.
+// https://reviews.llvm.org/D55466
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wmismatched-tags"
+#endif
+template <typename... Ts>
+struct tuple_size<testing::internal::FlatTuple<Ts...>>
+ : std::integral_constant<size_t, sizeof...(Ts)> {};
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+} // namespace std
+
#define GTEST_MESSAGE_AT_(file, line, message, result_type) \
::testing::internal::AssertHelper(result_type, file, line, message) \
= ::testing::Message()
#define GTEST_SUCCESS_(message) \
GTEST_MESSAGE_(message, ::testing::TestPartResult::kSuccess)
-// Suppress MSVC warning 4702 (unreachable code) for the code following
+#define GTEST_SKIP_(message) \
+ return GTEST_MESSAGE_(message, ::testing::TestPartResult::kSkip)
+
+// Suppress MSVC warning 4072 (unreachable code) for the code following
// statement if it returns or throws (or doesn't return or throw in some
// situations).
+// NOTE: The "else" is important to keep this expansion to prevent a top-level
+// "else" from attaching to our "if".
#define GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement) \
- if (::testing::internal::AlwaysTrue()) { statement; }
+ if (::testing::internal::AlwaysTrue()) { \
+ statement; \
+ } else /* NOLINT */ \
+ static_assert(true, "") // User must have a semicolon after expansion.
-#define GTEST_TEST_THROW_(statement, expected_exception, fail) \
- GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
- if (::testing::internal::ConstCharPtr gtest_msg = "") { \
- bool gtest_caught_expected = false; \
- try { \
- GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
- } \
- catch (expected_exception const&) { \
- gtest_caught_expected = true; \
- } \
- catch (...) { \
- gtest_msg.value = \
- "Expected: " #statement " throws an exception of type " \
- #expected_exception ".\n Actual: it throws a different type."; \
- goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
- } \
- if (!gtest_caught_expected) { \
- gtest_msg.value = \
- "Expected: " #statement " throws an exception of type " \
- #expected_exception ".\n Actual: it throws nothing."; \
- goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
- } \
- } else \
- GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__): \
- fail(gtest_msg.value)
+#if GTEST_HAS_EXCEPTIONS
+
+namespace testing {
+namespace internal {
+
+class NeverThrown {
+ public:
+ const char* what() const noexcept {
+ return "this exception should never be thrown";
+ }
+};
+
+} // namespace internal
+} // namespace testing
+
+#if GTEST_HAS_RTTI
+
+#define GTEST_EXCEPTION_TYPE_(e) ::testing::internal::GetTypeName(typeid(e))
+
+#else // GTEST_HAS_RTTI
+
+#define GTEST_EXCEPTION_TYPE_(e) \
+ std::string { "an std::exception-derived error" }
+
+#endif // GTEST_HAS_RTTI
+
+#define GTEST_TEST_THROW_CATCH_STD_EXCEPTION_(statement, expected_exception) \
+ catch (typename std::conditional< \
+ std::is_same<typename std::remove_cv<typename std::remove_reference< \
+ expected_exception>::type>::type, \
+ std::exception>::value, \
+ const ::testing::internal::NeverThrown&, const std::exception&>::type \
+ e) { \
+ gtest_msg.value = "Expected: " #statement \
+ " throws an exception of type " #expected_exception \
+ ".\n Actual: it throws "; \
+ gtest_msg.value += GTEST_EXCEPTION_TYPE_(e); \
+ gtest_msg.value += " with description \""; \
+ gtest_msg.value += e.what(); \
+ gtest_msg.value += "\"."; \
+ goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
+ }
+
+#else // GTEST_HAS_EXCEPTIONS
+
+#define GTEST_TEST_THROW_CATCH_STD_EXCEPTION_(statement, expected_exception)
+
+#endif // GTEST_HAS_EXCEPTIONS
+
+#define GTEST_TEST_THROW_(statement, expected_exception, fail) \
+ GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
+ if (::testing::internal::TrueWithString gtest_msg{}) { \
+ bool gtest_caught_expected = false; \
+ try { \
+ GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
+ } catch (expected_exception const&) { \
+ gtest_caught_expected = true; \
+ } \
+ GTEST_TEST_THROW_CATCH_STD_EXCEPTION_(statement, expected_exception) \
+ catch (...) { \
+ gtest_msg.value = "Expected: " #statement \
+ " throws an exception of type " #expected_exception \
+ ".\n Actual: it throws a different type."; \
+ goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
+ } \
+ if (!gtest_caught_expected) { \
+ gtest_msg.value = "Expected: " #statement \
+ " throws an exception of type " #expected_exception \
+ ".\n Actual: it throws nothing."; \
+ goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
+ } \
+ } else /*NOLINT*/ \
+ GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__) \
+ : fail(gtest_msg.value.c_str())
+
+#if GTEST_HAS_EXCEPTIONS
+
+#define GTEST_TEST_NO_THROW_CATCH_STD_EXCEPTION_() \
+ catch (std::exception const& e) { \
+ gtest_msg.value = "it throws "; \
+ gtest_msg.value += GTEST_EXCEPTION_TYPE_(e); \
+ gtest_msg.value += " with description \""; \
+ gtest_msg.value += e.what(); \
+ gtest_msg.value += "\"."; \
+ goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \
+ }
+
+#else // GTEST_HAS_EXCEPTIONS
+
+#define GTEST_TEST_NO_THROW_CATCH_STD_EXCEPTION_()
+
+#endif // GTEST_HAS_EXCEPTIONS
#define GTEST_TEST_NO_THROW_(statement, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
- if (::testing::internal::AlwaysTrue()) { \
+ if (::testing::internal::TrueWithString gtest_msg{}) { \
try { \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
} \
+ GTEST_TEST_NO_THROW_CATCH_STD_EXCEPTION_() \
catch (...) { \
+ gtest_msg.value = "it throws."; \
goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \
} \
} else \
GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__): \
- fail("Expected: " #statement " doesn't throw an exception.\n" \
- " Actual: it throws.")
+ fail(("Expected: " #statement " doesn't throw an exception.\n" \
+ " Actual: " + gtest_msg.value).c_str())
#define GTEST_TEST_ANY_THROW_(statement, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
// Implements Boolean test assertions such as EXPECT_TRUE. expression can be
// either a boolean expression or an AssertionResult. text is a textual
-// represenation of expression as it was passed into the EXPECT_TRUE.
+// representation of expression as it was passed into the EXPECT_TRUE.
#define GTEST_TEST_BOOLEAN_(expression, text, actual, expected, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (const ::testing::AssertionResult gtest_ar_ = \
" Actual: it does.")
// Expands to the name of the class that implements the given test.
-#define GTEST_TEST_CLASS_NAME_(test_case_name, test_name) \
- test_case_name##_##test_name##_Test
+#define GTEST_TEST_CLASS_NAME_(test_suite_name, test_name) \
+ test_suite_name##_##test_name##_Test
// Helper macro for defining tests.
-#define GTEST_TEST_(test_case_name, test_name, parent_class, parent_id)\
-class GTEST_TEST_CLASS_NAME_(test_case_name, test_name) : public parent_class {\
- public:\
- GTEST_TEST_CLASS_NAME_(test_case_name, test_name)() {}\
- private:\
- virtual void TestBody();\
- static ::testing::TestInfo* const test_info_ GTEST_ATTRIBUTE_UNUSED_;\
- GTEST_DISALLOW_COPY_AND_ASSIGN_(\
- GTEST_TEST_CLASS_NAME_(test_case_name, test_name));\
-};\
-\
-::testing::TestInfo* const GTEST_TEST_CLASS_NAME_(test_case_name, test_name)\
- ::test_info_ =\
- ::testing::internal::MakeAndRegisterTestInfo(\
- #test_case_name, #test_name, NULL, NULL, \
- ::testing::internal::CodeLocation(__FILE__, __LINE__), \
- (parent_id), \
- parent_class::SetUpTestCase, \
- parent_class::TearDownTestCase, \
- new ::testing::internal::TestFactoryImpl< /* NOLINT(cppcoreguidelines-owning-memory) */\
- GTEST_TEST_CLASS_NAME_(test_case_name, test_name)>);\
-void GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::TestBody()
-
-#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_
+#define GTEST_TEST_(test_suite_name, test_name, parent_class, parent_id) \
+ static_assert(sizeof(GTEST_STRINGIFY_(test_suite_name)) > 1, \
+ "test_suite_name must not be empty"); \
+ static_assert(sizeof(GTEST_STRINGIFY_(test_name)) > 1, \
+ "test_name must not be empty"); \
+ class GTEST_TEST_CLASS_NAME_(test_suite_name, test_name) \
+ : public parent_class { \
+ public: \
+ GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)() = default; \
+ ~GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)() override = default; \
+ GTEST_DISALLOW_COPY_AND_ASSIGN_(GTEST_TEST_CLASS_NAME_(test_suite_name, \
+ test_name)); \
+ GTEST_DISALLOW_MOVE_AND_ASSIGN_(GTEST_TEST_CLASS_NAME_(test_suite_name, \
+ test_name)); \
+ \
+ private: \
+ void TestBody() override; \
+ static ::testing::TestInfo* const test_info_ GTEST_ATTRIBUTE_UNUSED_; \
+ }; \
+ \
+ ::testing::TestInfo* const GTEST_TEST_CLASS_NAME_(test_suite_name, \
+ test_name)::test_info_ = \
+ ::testing::internal::MakeAndRegisterTestInfo( \
+ #test_suite_name, #test_name, nullptr, nullptr, \
+ ::testing::internal::CodeLocation(__FILE__, __LINE__), (parent_id), \
+ ::testing::internal::SuiteApiResolver< \
+ parent_class>::GetSetUpCaseOrSuite(__FILE__, __LINE__), \
+ ::testing::internal::SuiteApiResolver< \
+ parent_class>::GetTearDownCaseOrSuite(__FILE__, __LINE__), \
+ new ::testing::internal::TestFactoryImpl</* NOLINT(cppcoreguidelines-owning-memory) */ GTEST_TEST_CLASS_NAME_( \
+ test_suite_name, test_name)>); \
+ void GTEST_TEST_CLASS_NAME_(test_suite_name, test_name)::TestBody()
+
+#endif // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_
biod.pnpi.spb.ru / alexxy / gromacs.git / blobdiff