diff options
Diffstat (limited to 'googletest/include/gtest/internal/gtest-internal.h')
| -rw-r--r-- | googletest/include/gtest/internal/gtest-internal.h | 238 |
1 files changed, 123 insertions, 115 deletions
diff --git a/googletest/include/gtest/internal/gtest-internal.h b/googletest/include/gtest/internal/gtest-internal.h index fc15e94..3ac39cd 100644 --- a/googletest/include/gtest/internal/gtest-internal.h +++ b/googletest/include/gtest/internal/gtest-internal.h @@ -42,19 +42,20 @@ #include "gtest/internal/gtest-port.h" #if GTEST_OS_LINUX -# include <stdlib.h> -# include <sys/types.h> -# include <sys/wait.h> -# include <unistd.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> #endif // GTEST_OS_LINUX #if GTEST_HAS_EXCEPTIONS -# include <stdexcept> +#include <stdexcept> #endif #include <ctype.h> #include <float.h> #include <string.h> + #include <cstdint> #include <iomanip> #include <limits> @@ -78,7 +79,7 @@ // the current line number. For more details, see // http://www.parashift.com/c++-faq-lite/misc-technical-issues.html#faq-39.6 #define GTEST_CONCAT_TOKEN_(foo, bar) GTEST_CONCAT_TOKEN_IMPL_(foo, bar) -#define GTEST_CONCAT_TOKEN_IMPL_(foo, bar) foo ## bar +#define GTEST_CONCAT_TOKEN_IMPL_(foo, bar) foo##bar // Stringifies its argument. // Work around a bug in visual studio which doesn't accept code like this: @@ -100,21 +101,21 @@ namespace testing { // Forward declarations. -class AssertionResult; // Result of an assertion. -class Message; // Represents a failure message. -class Test; // Represents a test. -class TestInfo; // Information about a test. -class TestPartResult; // Result of a test part. -class UnitTest; // A collection of test suites. +class AssertionResult; // Result of an assertion. +class Message; // Represents a failure message. +class Test; // Represents a test. +class TestInfo; // Information about a test. +class TestPartResult; // Result of a test part. +class UnitTest; // A collection of test suites. template <typename T> ::std::string PrintToString(const T& value); namespace internal { -struct TraceInfo; // Information about a trace point. -class TestInfoImpl; // Opaque implementation of TestInfo -class UnitTestImpl; // Opaque implementation of UnitTest +struct TraceInfo; // Information about a trace point. +class TestInfoImpl; // Opaque implementation of TestInfo +class UnitTestImpl; // Opaque implementation of UnitTest // The text used in failure messages to indicate the start of the // stack trace. @@ -123,6 +124,7 @@ GTEST_API_ extern const char kStackTraceMarker[]; // 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 @@ -138,13 +140,13 @@ class IgnoredValue { }; // Appends the user-supplied message to the Google-Test-generated message. -GTEST_API_ std::string AppendUserMessage( - const std::string& gtest_msg, const Message& user_msg); +GTEST_API_ std::string AppendUserMessage(const std::string& gtest_msg, + const Message& user_msg); #if GTEST_HAS_EXCEPTIONS -GTEST_DISABLE_MSC_WARNINGS_PUSH_(4275 \ -/* an exported class was derived from a class that was not exported */) +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 @@ -214,10 +216,8 @@ GTEST_API_ AssertionResult EqFailure(const char* expected_expression, // Constructs a failure message for Boolean assertions such as EXPECT_TRUE. GTEST_API_ std::string GetBoolAssertionFailureMessage( - const AssertionResult& assertion_result, - const char* expression_text, - const char* actual_predicate_value, - const char* expected_predicate_value); + const AssertionResult& assertion_result, const char* expression_text, + const char* actual_predicate_value, const char* expected_predicate_value); // This template class represents an IEEE floating-point number // (either single-precision or double-precision, depending on the @@ -258,11 +258,11 @@ class FloatingPoint { // Constants. // # of bits in a number. - static const size_t kBitCount = 8*sizeof(RawType); + static const size_t kBitCount = 8 * sizeof(RawType); // # of fraction bits in a number. static const size_t kFractionBitCount = - std::numeric_limits<RawType>::digits - 1; + std::numeric_limits<RawType>::digits - 1; // # of exponent bits in a number. static const size_t kExponentBitCount = kBitCount - 1 - kFractionBitCount; @@ -271,8 +271,8 @@ class FloatingPoint { static const Bits kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1); // The mask for the fraction bits. - static const Bits kFractionBitMask = - ~static_cast<Bits>(0) >> (kExponentBitCount + 1); + static const Bits kFractionBitMask = ~static_cast<Bits>(0) >> + (kExponentBitCount + 1); // The mask for the exponent bits. static const Bits kExponentBitMask = ~(kSignBitMask | kFractionBitMask); @@ -311,9 +311,7 @@ class FloatingPoint { } // Returns the floating-point number that represent positive infinity. - static RawType Infinity() { - return ReinterpretBits(kExponentBitMask); - } + static RawType Infinity() { return ReinterpretBits(kExponentBitMask); } // Returns the maximum representable finite floating-point number. static RawType Max(); @@ -321,7 +319,7 @@ class FloatingPoint { // Non-static methods // Returns the bits that represents this number. - const Bits &bits() const { return u_.bits_; } + const Bits& bits() const { return u_.bits_; } // Returns the exponent bits of this number. Bits exponent_bits() const { return kExponentBitMask & u_.bits_; } @@ -350,8 +348,8 @@ class FloatingPoint { // a NAN must return false. if (is_nan() || rhs.is_nan()) return false; - return DistanceBetweenSignAndMagnitudeNumbers(u_.bits_, rhs.u_.bits_) - <= kMaxUlps; + return DistanceBetweenSignAndMagnitudeNumbers(u_.bits_, rhs.u_.bits_) <= + kMaxUlps; } private: @@ -376,7 +374,7 @@ class FloatingPoint { // // Read http://en.wikipedia.org/wiki/Signed_number_representations // for more details on signed number representations. - static Bits SignAndMagnitudeToBiased(const Bits &sam) { + static Bits SignAndMagnitudeToBiased(const Bits& sam) { if (kSignBitMask & sam) { // sam represents a negative number. return ~sam + 1; @@ -388,8 +386,8 @@ class FloatingPoint { // Given two numbers in the sign-and-magnitude representation, // returns the distance between them as an unsigned number. - static Bits DistanceBetweenSignAndMagnitudeNumbers(const Bits &sam1, - const Bits &sam2) { + static Bits DistanceBetweenSignAndMagnitudeNumbers(const Bits& sam1, + const Bits& sam2) { const Bits biased1 = SignAndMagnitudeToBiased(sam1); const Bits biased2 = SignAndMagnitudeToBiased(sam2); return (biased1 >= biased2) ? (biased1 - biased2) : (biased2 - biased1); @@ -401,9 +399,13 @@ class FloatingPoint { // We cannot use std::numeric_limits<T>::max() as it clashes with the max() // macro defined by <windows.h>. template <> -inline float FloatingPoint<float>::Max() { return FLT_MAX; } +inline float FloatingPoint<float>::Max() { + return FLT_MAX; +} template <> -inline double FloatingPoint<double>::Max() { return DBL_MAX; } +inline double FloatingPoint<double>::Max() { + return DBL_MAX; +} // Typedefs the instances of the FloatingPoint template class that we // care to use. @@ -656,7 +658,8 @@ inline const char* SkipComma(const char* str) { if (comma == nullptr) { return nullptr; } - while (IsSpace(*(++comma))) {} + while (IsSpace(*(++comma))) { + } return comma; } @@ -670,7 +673,7 @@ inline std::string GetPrefixUntilComma(const char* str) { // Splits a given string on a given delimiter, populating a given // vector with the fields. void SplitString(const ::std::string& str, char delimiter, - ::std::vector< ::std::string>* dest); + ::std::vector<::std::string>* dest); // The default argument to the template below for the case when the user does // not provide a name generator. @@ -783,13 +786,13 @@ class TypeParameterizedTestSuite { const std::vector<std::string>& type_names = GenerateNames<DefaultNameGenerator, Types>()) { RegisterTypeParameterizedTestSuiteInstantiation(case_name); - std::string test_name = StripTrailingSpaces( - GetPrefixUntilComma(test_names)); + std::string test_name = + StripTrailingSpaces(GetPrefixUntilComma(test_names)); if (!state->TestExists(test_name)) { fprintf(stderr, "Failed to get code location for test %s.%s at %s.", case_name, test_name.c_str(), - FormatFileLocation(code_location.file.c_str(), - code_location.line).c_str()); + FormatFileLocation(code_location.file.c_str(), code_location.line) + .c_str()); fflush(stderr); posix::Abort(); } @@ -833,8 +836,8 @@ class TypeParameterizedTestSuite<Fixture, internal::None, Types> { // For example, if Foo() calls Bar(), which in turn calls // GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in // the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't. -GTEST_API_ std::string GetCurrentOsStackTraceExceptTop( - UnitTest* unit_test, int skip_count); +GTEST_API_ std::string GetCurrentOsStackTraceExceptTop(UnitTest* unit_test, + int skip_count); // Helpers for suppressing warnings on unreachable code or constant // condition. @@ -956,7 +959,9 @@ IsContainer IsContainerTest(int /* dummy */) { typedef char IsNotContainer; template <class C> -IsNotContainer IsContainerTest(long /* dummy */) { return '\0'; } +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 @@ -1019,11 +1024,13 @@ bool ArrayEq(const T* lhs, size_t size, const U* rhs); // This generic version is used when k is 0. template <typename T, typename U> -inline bool ArrayEq(const T& lhs, const U& rhs) { return lhs == rhs; } +inline bool ArrayEq(const T& lhs, const U& rhs) { + return lhs == rhs; +} // This overload is used when k >= 1. template <typename T, typename U, size_t N> -inline bool ArrayEq(const T(&lhs)[N], const U(&rhs)[N]) { +inline bool ArrayEq(const T (&lhs)[N], const U (&rhs)[N]) { return internal::ArrayEq(lhs, N, rhs); } @@ -1033,8 +1040,7 @@ inline bool ArrayEq(const T(&lhs)[N], const U(&rhs)[N]) { template <typename T, typename U> bool ArrayEq(const T* lhs, size_t size, const U* rhs) { for (size_t i = 0; i != size; i++) { - if (!internal::ArrayEq(lhs[i], rhs[i])) - return false; + if (!internal::ArrayEq(lhs[i], rhs[i])) return false; } return true; } @@ -1044,8 +1050,7 @@ bool ArrayEq(const T* lhs, size_t size, const U* rhs) { template <typename Iter, typename Element> Iter ArrayAwareFind(Iter begin, Iter end, const Element& elem) { for (Iter it = begin; it != end; ++it) { - if (internal::ArrayEq(*it, elem)) - return it; + if (internal::ArrayEq(*it, elem)) return it; } return end; } @@ -1059,11 +1064,13 @@ void CopyArray(const T* from, size_t size, U* to); // This generic version is used when k is 0. template <typename T, typename U> -inline void CopyArray(const T& from, U* to) { *to = from; } +inline void CopyArray(const T& from, U* to) { + *to = from; +} // This overload is used when k >= 1. template <typename T, typename U, size_t N> -inline void CopyArray(const T(&from)[N], U(*to)[N]) { +inline void CopyArray(const T (&from)[N], U (*to)[N]) { internal::CopyArray(from, N, *to); } @@ -1116,8 +1123,7 @@ class NativeArray { } ~NativeArray() { - if (clone_ != &NativeArray::InitRef) - delete[] array_; + if (clone_ != &NativeArray::InitRef) delete[] array_; } // STL-style container methods. @@ -1125,8 +1131,7 @@ class NativeArray { const_iterator begin() const { return array_; } const_iterator end() const { return array_ + size_; } bool operator==(const NativeArray& rhs) const { - return size() == rhs.size() && - ArrayEq(begin(), size(), rhs.begin()); + return size() == rhs.size() && ArrayEq(begin(), size(), rhs.begin()); } private: @@ -1337,9 +1342,9 @@ struct tuple_size<testing::internal::FlatTuple<Ts...>> #endif } // namespace std -#define GTEST_MESSAGE_AT_(file, line, message, result_type) \ - ::testing::internal::AssertHelper(result_type, file, line, message) \ - = ::testing::Message() +#define GTEST_MESSAGE_AT_(file, line, message, result_type) \ + ::testing::internal::AssertHelper(result_type, file, line, message) = \ + ::testing::Message() #define GTEST_MESSAGE_(message, result_type) \ GTEST_MESSAGE_AT_(__FILE__, __LINE__, message, result_type) @@ -1460,66 +1465,69 @@ class NeverThrown { #endif // GTEST_HAS_EXCEPTIONS -#define GTEST_TEST_NO_THROW_(statement, fail) \ - GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ - 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: " + gtest_msg.value).c_str()) - -#define GTEST_TEST_ANY_THROW_(statement, fail) \ - GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ - if (::testing::internal::AlwaysTrue()) { \ - bool gtest_caught_any = false; \ - try { \ - GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ - } \ - catch (...) { \ - gtest_caught_any = true; \ - } \ - if (!gtest_caught_any) { \ +#define GTEST_TEST_NO_THROW_(statement, fail) \ + GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ + 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: " + \ + gtest_msg.value) \ + .c_str()) + +#define GTEST_TEST_ANY_THROW_(statement, fail) \ + GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ + if (::testing::internal::AlwaysTrue()) { \ + bool gtest_caught_any = false; \ + try { \ + GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ + } catch (...) { \ + gtest_caught_any = true; \ + } \ + if (!gtest_caught_any) { \ goto GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__); \ - } \ - } else \ - GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__): \ - fail("Expected: " #statement " throws an exception.\n" \ - " Actual: it doesn't.") - + } \ + } else \ + GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__) \ + : fail("Expected: " #statement \ + " throws an exception.\n" \ + " Actual: it doesn't.") // Implements Boolean test assertions such as EXPECT_TRUE. expression can be // either a boolean expression or an AssertionResult. text is a textual // 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_ = \ - ::testing::AssertionResult(expression)) \ - ; \ - else \ - fail(::testing::internal::GetBoolAssertionFailureMessage(\ - gtest_ar_, text, #actual, #expected).c_str()) - -#define GTEST_TEST_NO_FATAL_FAILURE_(statement, fail) \ - GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ - if (::testing::internal::AlwaysTrue()) { \ + GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ + if (const ::testing::AssertionResult gtest_ar_ = \ + ::testing::AssertionResult(expression)) \ + ; \ + else \ + fail(::testing::internal::GetBoolAssertionFailureMessage( \ + gtest_ar_, text, #actual, #expected) \ + .c_str()) + +#define GTEST_TEST_NO_FATAL_FAILURE_(statement, fail) \ + GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ + if (::testing::internal::AlwaysTrue()) { \ ::testing::internal::HasNewFatalFailureHelper gtest_fatal_failure_checker; \ - GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ - if (gtest_fatal_failure_checker.has_new_fatal_failure()) { \ - goto GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__); \ - } \ - } else \ - GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__): \ - fail("Expected: " #statement " doesn't generate new fatal " \ - "failures in the current thread.\n" \ - " Actual: it does.") + GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ + if (gtest_fatal_failure_checker.has_new_fatal_failure()) { \ + goto GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__); \ + } \ + } else \ + GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__) \ + : fail("Expected: " #statement \ + " doesn't generate new fatal " \ + "failures in the current thread.\n" \ + " Actual: it does.") // Expands to the name of the class that implements the given test. #define GTEST_TEST_CLASS_NAME_(test_suite_name, test_name) \ |