diff options
author | kosak <kosak@google.com> | 2015-07-28 00:39:46 +0000 |
---|---|---|
committer | kosak <kosak@google.com> | 2015-07-28 00:39:46 +0000 |
commit | 6f8a66431cb592dad629028a50b3dd418a408c87 (patch) | |
tree | c815ae8399c49a074ff01a29536fb80384b874c0 /include/gtest/gtest.h | |
parent | 0b10cfd582591d8eddd22f3b0500edd8bf9c2d6d (diff) | |
download | googletest-6f8a66431cb592dad629028a50b3dd418a408c87.tar.gz googletest-6f8a66431cb592dad629028a50b3dd418a408c87.tar.bz2 googletest-6f8a66431cb592dad629028a50b3dd418a408c87.zip |
Introduce FormatForComparison to format values that are operands of comparison assertions (e.g. ASSERT_EQ).
Diffstat (limited to 'include/gtest/gtest.h')
-rw-r--r-- | include/gtest/gtest.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/include/gtest/gtest.h b/include/gtest/gtest.h index 3f080b84..7b59c492 100644 --- a/include/gtest/gtest.h +++ b/include/gtest/gtest.h @@ -1368,103 +1368,6 @@ GTEST_API_ void InitGoogleTest(int* argc, wchar_t** argv); namespace internal { -// FormatForComparison<ToPrint, OtherOperand>::Format(value) formats a -// value of type ToPrint that is an operand of a comparison assertion -// (e.g. ASSERT_EQ). OtherOperand is the type of the other operand in -// the comparison, and is used to help determine the best way to -// format the value. In particular, when the value is a C string -// (char pointer) and the other operand is an STL string object, we -// want to format the C string as a string, since we know it is -// compared by value with the string object. If the value is a char -// pointer but the other operand is not an STL string object, we don't -// know whether the pointer is supposed to point to a NUL-terminated -// string, and thus want to print it as a pointer to be safe. -// -// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM. - -// The default case. -template <typename ToPrint, typename OtherOperand> -class FormatForComparison { - public: - static ::std::string Format(const ToPrint& value) { - return ::testing::PrintToString(value); - } -}; - -// Array. -template <typename ToPrint, size_t N, typename OtherOperand> -class FormatForComparison<ToPrint[N], OtherOperand> { - public: - static ::std::string Format(const ToPrint* value) { - return FormatForComparison<const ToPrint*, OtherOperand>::Format(value); - } -}; - -// By default, print C string as pointers to be safe, as we don't know -// whether they actually point to a NUL-terminated string. - -#define GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(CharType) \ - template <typename OtherOperand> \ - class FormatForComparison<CharType*, OtherOperand> { \ - public: \ - static ::std::string Format(CharType* value) { \ - return ::testing::PrintToString(static_cast<const void*>(value)); \ - } \ - } - -GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(char); -GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const char); -GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(wchar_t); -GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_(const wchar_t); - -#undef GTEST_IMPL_FORMAT_C_STRING_AS_POINTER_ - -// If a C string is compared with an STL string object, we know it's meant -// to point to a NUL-terminated string, and thus can print it as a string. - -#define GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(CharType, OtherStringType) \ - template <> \ - class FormatForComparison<CharType*, OtherStringType> { \ - public: \ - static ::std::string Format(CharType* value) { \ - return ::testing::PrintToString(value); \ - } \ - } - -GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char, ::std::string); -GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char, ::std::string); - -#if GTEST_HAS_GLOBAL_STRING -GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(char, ::string); -GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const char, ::string); -#endif - -#if GTEST_HAS_GLOBAL_WSTRING -GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(wchar_t, ::wstring); -GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const wchar_t, ::wstring); -#endif - -#if GTEST_HAS_STD_WSTRING -GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(wchar_t, ::std::wstring); -GTEST_IMPL_FORMAT_C_STRING_AS_STRING_(const wchar_t, ::std::wstring); -#endif - -#undef GTEST_IMPL_FORMAT_C_STRING_AS_STRING_ - -// Formats a comparison assertion (e.g. ASSERT_EQ, EXPECT_LT, and etc) -// operand to be used in a failure message. The type (but not value) -// of the other operand may affect the format. This allows us to -// print a char* as a raw pointer when it is compared against another -// char* or void*, and print it as a C string when it is compared -// against an std::string object, for example. -// -// INTERNAL IMPLEMENTATION - DO NOT USE IN A USER PROGRAM. -template <typename T1, typename T2> -std::string FormatForComparisonFailureMessage( - const T1& value, const T2& /* other_operand */) { - return FormatForComparison<T1, T2>::Format(value); -} - // Separate the error generating code from the code path to reduce the stack // frame size of CmpHelperEQ. This helps reduce the overhead of some sanitizers // when calling EXPECT_* in a tight loop. |