diff options
Diffstat (limited to 'tests/gtest/src/gtest-printers.cc')
-rw-r--r-- | tests/gtest/src/gtest-printers.cc | 111 |
1 files changed, 64 insertions, 47 deletions
diff --git a/tests/gtest/src/gtest-printers.cc b/tests/gtest/src/gtest-printers.cc index ed63c7b3b..a2df412f8 100644 --- a/tests/gtest/src/gtest-printers.cc +++ b/tests/gtest/src/gtest-printers.cc @@ -45,6 +45,7 @@ #include "gtest/gtest-printers.h" #include <ctype.h> #include <stdio.h> +#include <cwchar> #include <ostream> // NOLINT #include <string> #include "gtest/internal/gtest-port.h" @@ -55,15 +56,10 @@ namespace { using ::std::ostream; -#if GTEST_OS_WINDOWS_MOBILE // Windows CE does not define _snprintf_s. -# define snprintf _snprintf -#elif _MSC_VER >= 1400 // VC 8.0 and later deprecate snprintf and _snprintf. -# define snprintf _snprintf_s -#elif _MSC_VER -# define snprintf _snprintf -#endif // GTEST_OS_WINDOWS_MOBILE - // Prints a segment of bytes in the given object. +GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ +GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ +GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ void PrintByteSegmentInObjectTo(const unsigned char* obj_bytes, size_t start, size_t count, ostream* os) { char text[5] = ""; @@ -77,7 +73,7 @@ void PrintByteSegmentInObjectTo(const unsigned char* obj_bytes, size_t start, else *os << '-'; } - snprintf(text, sizeof(text), "%02X", obj_bytes[j]); + GTEST_SNPRINTF_(text, sizeof(text), "%02X", obj_bytes[j]); *os << text; } } @@ -184,16 +180,16 @@ static CharFormat PrintAsCharLiteralTo(Char c, ostream* os) { *os << static_cast<char>(c); return kAsIs; } else { - *os << String::Format("\\x%X", static_cast<UnsignedChar>(c)); + *os << "\\x" + String::FormatHexInt(static_cast<UnsignedChar>(c)); return kHexEscape; } } return kSpecialEscape; } -// Prints a char c as if it's part of a string literal, escaping it when +// Prints a wchar_t c as if it's part of a string literal, escaping it when // necessary; returns how c was formatted. -static CharFormat PrintAsWideStringLiteralTo(wchar_t c, ostream* os) { +static CharFormat PrintAsStringLiteralTo(wchar_t c, ostream* os) { switch (c) { case L'\'': *os << "'"; @@ -208,8 +204,9 @@ static CharFormat PrintAsWideStringLiteralTo(wchar_t c, ostream* os) { // Prints a char c as if it's part of a string literal, escaping it when // necessary; returns how c was formatted. -static CharFormat PrintAsNarrowStringLiteralTo(char c, ostream* os) { - return PrintAsWideStringLiteralTo(static_cast<unsigned char>(c), os); +static CharFormat PrintAsStringLiteralTo(char c, ostream* os) { + return PrintAsStringLiteralTo( + static_cast<wchar_t>(static_cast<unsigned char>(c)), os); } // Prints a wide or narrow character c and its code. '\0' is printed @@ -228,7 +225,7 @@ void PrintCharAndCodeTo(Char c, ostream* os) { // obvious). if (c == 0) return; - *os << " (" << String::Format("%d", c).c_str(); + *os << " (" << static_cast<int>(c); // For more convenience, we print c's code again in hexidecimal, // unless c was already printed in the form '\x##' or the code is in @@ -236,8 +233,7 @@ void PrintCharAndCodeTo(Char c, ostream* os) { if (format == kHexEscape || (1 <= c && c <= 9)) { // Do nothing. } else { - *os << String::Format(", 0x%X", - static_cast<UnsignedChar>(c)).c_str(); + *os << ", 0x" << String::FormatHexInt(static_cast<UnsignedChar>(c)); } *os << ")"; } @@ -255,48 +251,69 @@ void PrintTo(wchar_t wc, ostream* os) { PrintCharAndCodeTo<wchar_t>(wc, os); } -// Prints the given array of characters to the ostream. -// The array starts at *begin, the length is len, it may include '\0' characters -// and may not be null-terminated. -static void PrintCharsAsStringTo(const char* begin, size_t len, ostream* os) { - *os << "\""; +// Prints the given array of characters to the ostream. CharType must be either +// char or wchar_t. +// The array starts at begin, the length is len, it may include '\0' characters +// and may not be NUL-terminated. +template <typename CharType> +GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ +GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ +GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ +static void PrintCharsAsStringTo( + const CharType* begin, size_t len, ostream* os) { + const char* const kQuoteBegin = sizeof(CharType) == 1 ? "\"" : "L\""; + *os << kQuoteBegin; bool is_previous_hex = false; for (size_t index = 0; index < len; ++index) { - const char cur = begin[index]; + const CharType cur = begin[index]; if (is_previous_hex && IsXDigit(cur)) { // Previous character is of '\x..' form and this character can be // interpreted as another hexadecimal digit in its number. Break string to // disambiguate. - *os << "\" \""; + *os << "\" " << kQuoteBegin; } - is_previous_hex = PrintAsNarrowStringLiteralTo(cur, os) == kHexEscape; + is_previous_hex = PrintAsStringLiteralTo(cur, os) == kHexEscape; } *os << "\""; } +// Prints a (const) char/wchar_t array of 'len' elements, starting at address +// 'begin'. CharType must be either char or wchar_t. +template <typename CharType> +GTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ +GTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ +GTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ +static void UniversalPrintCharArray( + const CharType* begin, size_t len, ostream* os) { + // The code + // const char kFoo[] = "foo"; + // generates an array of 4, not 3, elements, with the last one being '\0'. + // + // Therefore when printing a char array, we don't print the last element if + // it's '\0', such that the output matches the string literal as it's + // written in the source code. + if (len > 0 && begin[len - 1] == '\0') { + PrintCharsAsStringTo(begin, len - 1, os); + return; + } + + // If, however, the last element in the array is not '\0', e.g. + // const char kFoo[] = { 'f', 'o', 'o' }; + // we must print the entire array. We also print a message to indicate + // that the array is not NUL-terminated. + PrintCharsAsStringTo(begin, len, os); + *os << " (no terminating NUL)"; +} + // Prints a (const) char array of 'len' elements, starting at address 'begin'. void UniversalPrintArray(const char* begin, size_t len, ostream* os) { - PrintCharsAsStringTo(begin, len, os); + UniversalPrintCharArray(begin, len, os); } -// Prints the given array of wide characters to the ostream. -// The array starts at *begin, the length is len, it may include L'\0' -// characters and may not be null-terminated. -static void PrintWideCharsAsStringTo(const wchar_t* begin, size_t len, - ostream* os) { - *os << "L\""; - bool is_previous_hex = false; - for (size_t index = 0; index < len; ++index) { - const wchar_t cur = begin[index]; - if (is_previous_hex && isascii(cur) && IsXDigit(static_cast<char>(cur))) { - // Previous character is of '\x..' form and this character can be - // interpreted as another hexadecimal digit in its number. Break string to - // disambiguate. - *os << "\" L\""; - } - is_previous_hex = PrintAsWideStringLiteralTo(cur, os) == kHexEscape; - } - *os << "\""; +// Prints a (const) wchar_t array of 'len' elements, starting at address +// 'begin'. +void UniversalPrintArray(const wchar_t* begin, size_t len, ostream* os) { + UniversalPrintCharArray(begin, len, os); } // Prints the given C string to the ostream. @@ -322,7 +339,7 @@ void PrintTo(const wchar_t* s, ostream* os) { *os << "NULL"; } else { *os << ImplicitCast_<const void*>(s) << " pointing to "; - PrintWideCharsAsStringTo(s, wcslen(s), os); + PrintCharsAsStringTo(s, std::wcslen(s), os); } } #endif // wchar_t is native @@ -341,13 +358,13 @@ void PrintStringTo(const ::std::string& s, ostream* os) { // Prints a ::wstring object. #if GTEST_HAS_GLOBAL_WSTRING void PrintWideStringTo(const ::wstring& s, ostream* os) { - PrintWideCharsAsStringTo(s.data(), s.size(), os); + PrintCharsAsStringTo(s.data(), s.size(), os); } #endif // GTEST_HAS_GLOBAL_WSTRING #if GTEST_HAS_STD_WSTRING void PrintWideStringTo(const ::std::wstring& s, ostream* os) { - PrintWideCharsAsStringTo(s.data(), s.size(), os); + PrintCharsAsStringTo(s.data(), s.size(), os); } #endif // GTEST_HAS_STD_WSTRING |