113481Sgiacomo.travaglini@arm.com// Copyright 2007, Google Inc. 213481Sgiacomo.travaglini@arm.com// All rights reserved. 313481Sgiacomo.travaglini@arm.com// 413481Sgiacomo.travaglini@arm.com// Redistribution and use in source and binary forms, with or without 513481Sgiacomo.travaglini@arm.com// modification, are permitted provided that the following conditions are 613481Sgiacomo.travaglini@arm.com// met: 713481Sgiacomo.travaglini@arm.com// 813481Sgiacomo.travaglini@arm.com// * Redistributions of source code must retain the above copyright 913481Sgiacomo.travaglini@arm.com// notice, this list of conditions and the following disclaimer. 1013481Sgiacomo.travaglini@arm.com// * Redistributions in binary form must reproduce the above 1113481Sgiacomo.travaglini@arm.com// copyright notice, this list of conditions and the following disclaimer 1213481Sgiacomo.travaglini@arm.com// in the documentation and/or other materials provided with the 1313481Sgiacomo.travaglini@arm.com// distribution. 1413481Sgiacomo.travaglini@arm.com// * Neither the name of Google Inc. nor the names of its 1513481Sgiacomo.travaglini@arm.com// contributors may be used to endorse or promote products derived from 1613481Sgiacomo.travaglini@arm.com// this software without specific prior written permission. 1713481Sgiacomo.travaglini@arm.com// 1813481Sgiacomo.travaglini@arm.com// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1913481Sgiacomo.travaglini@arm.com// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2013481Sgiacomo.travaglini@arm.com// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2113481Sgiacomo.travaglini@arm.com// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2213481Sgiacomo.travaglini@arm.com// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2313481Sgiacomo.travaglini@arm.com// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2413481Sgiacomo.travaglini@arm.com// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2513481Sgiacomo.travaglini@arm.com// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2613481Sgiacomo.travaglini@arm.com// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2713481Sgiacomo.travaglini@arm.com// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2813481Sgiacomo.travaglini@arm.com// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2913481Sgiacomo.travaglini@arm.com// 3013481Sgiacomo.travaglini@arm.com// Author: wan@google.com (Zhanyong Wan) 3113481Sgiacomo.travaglini@arm.com 3213481Sgiacomo.travaglini@arm.com// Google Test - The Google C++ Testing Framework 3313481Sgiacomo.travaglini@arm.com// 3413481Sgiacomo.travaglini@arm.com// This file implements a universal value printer that can print a 3513481Sgiacomo.travaglini@arm.com// value of any type T: 3613481Sgiacomo.travaglini@arm.com// 3713481Sgiacomo.travaglini@arm.com// void ::testing::internal::UniversalPrinter<T>::Print(value, ostream_ptr); 3813481Sgiacomo.travaglini@arm.com// 3913481Sgiacomo.travaglini@arm.com// It uses the << operator when possible, and prints the bytes in the 4013481Sgiacomo.travaglini@arm.com// object otherwise. A user can override its behavior for a class 4113481Sgiacomo.travaglini@arm.com// type Foo by defining either operator<<(::std::ostream&, const Foo&) 4213481Sgiacomo.travaglini@arm.com// or void PrintTo(const Foo&, ::std::ostream*) in the namespace that 4313481Sgiacomo.travaglini@arm.com// defines Foo. 4413481Sgiacomo.travaglini@arm.com 4513481Sgiacomo.travaglini@arm.com#include "gtest/gtest-printers.h" 4613481Sgiacomo.travaglini@arm.com#include <ctype.h> 4713481Sgiacomo.travaglini@arm.com#include <stdio.h> 4813481Sgiacomo.travaglini@arm.com#include <cwchar> 4913481Sgiacomo.travaglini@arm.com#include <ostream> // NOLINT 5013481Sgiacomo.travaglini@arm.com#include <string> 5113481Sgiacomo.travaglini@arm.com#include "gtest/internal/gtest-port.h" 5213481Sgiacomo.travaglini@arm.com 5313481Sgiacomo.travaglini@arm.comnamespace testing { 5413481Sgiacomo.travaglini@arm.com 5513481Sgiacomo.travaglini@arm.comnamespace { 5613481Sgiacomo.travaglini@arm.com 5713481Sgiacomo.travaglini@arm.comusing ::std::ostream; 5813481Sgiacomo.travaglini@arm.com 5913481Sgiacomo.travaglini@arm.com// Prints a segment of bytes in the given object. 6013481Sgiacomo.travaglini@arm.comGTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ 6113481Sgiacomo.travaglini@arm.comGTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ 6213481Sgiacomo.travaglini@arm.comGTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ 6313481Sgiacomo.travaglini@arm.comvoid PrintByteSegmentInObjectTo(const unsigned char* obj_bytes, size_t start, 6413481Sgiacomo.travaglini@arm.com size_t count, ostream* os) { 6513481Sgiacomo.travaglini@arm.com char text[5] = ""; 6613481Sgiacomo.travaglini@arm.com for (size_t i = 0; i != count; i++) { 6713481Sgiacomo.travaglini@arm.com const size_t j = start + i; 6813481Sgiacomo.travaglini@arm.com if (i != 0) { 6913481Sgiacomo.travaglini@arm.com // Organizes the bytes into groups of 2 for easy parsing by 7013481Sgiacomo.travaglini@arm.com // human. 7113481Sgiacomo.travaglini@arm.com if ((j % 2) == 0) 7213481Sgiacomo.travaglini@arm.com *os << ' '; 7313481Sgiacomo.travaglini@arm.com else 7413481Sgiacomo.travaglini@arm.com *os << '-'; 7513481Sgiacomo.travaglini@arm.com } 7613481Sgiacomo.travaglini@arm.com GTEST_SNPRINTF_(text, sizeof(text), "%02X", obj_bytes[j]); 7713481Sgiacomo.travaglini@arm.com *os << text; 7813481Sgiacomo.travaglini@arm.com } 7913481Sgiacomo.travaglini@arm.com} 8013481Sgiacomo.travaglini@arm.com 8113481Sgiacomo.travaglini@arm.com// Prints the bytes in the given value to the given ostream. 8213481Sgiacomo.travaglini@arm.comvoid PrintBytesInObjectToImpl(const unsigned char* obj_bytes, size_t count, 8313481Sgiacomo.travaglini@arm.com ostream* os) { 8413481Sgiacomo.travaglini@arm.com // Tells the user how big the object is. 8513481Sgiacomo.travaglini@arm.com *os << count << "-byte object <"; 8613481Sgiacomo.travaglini@arm.com 8713481Sgiacomo.travaglini@arm.com const size_t kThreshold = 132; 8813481Sgiacomo.travaglini@arm.com const size_t kChunkSize = 64; 8913481Sgiacomo.travaglini@arm.com // If the object size is bigger than kThreshold, we'll have to omit 9013481Sgiacomo.travaglini@arm.com // some details by printing only the first and the last kChunkSize 9113481Sgiacomo.travaglini@arm.com // bytes. 9213481Sgiacomo.travaglini@arm.com // TODO(wan): let the user control the threshold using a flag. 9313481Sgiacomo.travaglini@arm.com if (count < kThreshold) { 9413481Sgiacomo.travaglini@arm.com PrintByteSegmentInObjectTo(obj_bytes, 0, count, os); 9513481Sgiacomo.travaglini@arm.com } else { 9613481Sgiacomo.travaglini@arm.com PrintByteSegmentInObjectTo(obj_bytes, 0, kChunkSize, os); 9713481Sgiacomo.travaglini@arm.com *os << " ... "; 9813481Sgiacomo.travaglini@arm.com // Rounds up to 2-byte boundary. 9913481Sgiacomo.travaglini@arm.com const size_t resume_pos = (count - kChunkSize + 1)/2*2; 10013481Sgiacomo.travaglini@arm.com PrintByteSegmentInObjectTo(obj_bytes, resume_pos, count - resume_pos, os); 10113481Sgiacomo.travaglini@arm.com } 10213481Sgiacomo.travaglini@arm.com *os << ">"; 10313481Sgiacomo.travaglini@arm.com} 10413481Sgiacomo.travaglini@arm.com 10513481Sgiacomo.travaglini@arm.com} // namespace 10613481Sgiacomo.travaglini@arm.com 10713481Sgiacomo.travaglini@arm.comnamespace internal2 { 10813481Sgiacomo.travaglini@arm.com 10913481Sgiacomo.travaglini@arm.com// Delegates to PrintBytesInObjectToImpl() to print the bytes in the 11013481Sgiacomo.travaglini@arm.com// given object. The delegation simplifies the implementation, which 11113481Sgiacomo.travaglini@arm.com// uses the << operator and thus is easier done outside of the 11213481Sgiacomo.travaglini@arm.com// ::testing::internal namespace, which contains a << operator that 11313481Sgiacomo.travaglini@arm.com// sometimes conflicts with the one in STL. 11413481Sgiacomo.travaglini@arm.comvoid PrintBytesInObjectTo(const unsigned char* obj_bytes, size_t count, 11513481Sgiacomo.travaglini@arm.com ostream* os) { 11613481Sgiacomo.travaglini@arm.com PrintBytesInObjectToImpl(obj_bytes, count, os); 11713481Sgiacomo.travaglini@arm.com} 11813481Sgiacomo.travaglini@arm.com 11913481Sgiacomo.travaglini@arm.com} // namespace internal2 12013481Sgiacomo.travaglini@arm.com 12113481Sgiacomo.travaglini@arm.comnamespace internal { 12213481Sgiacomo.travaglini@arm.com 12313481Sgiacomo.travaglini@arm.com// Depending on the value of a char (or wchar_t), we print it in one 12413481Sgiacomo.travaglini@arm.com// of three formats: 12513481Sgiacomo.travaglini@arm.com// - as is if it's a printable ASCII (e.g. 'a', '2', ' '), 12613481Sgiacomo.travaglini@arm.com// - as a hexidecimal escape sequence (e.g. '\x7F'), or 12713481Sgiacomo.travaglini@arm.com// - as a special escape sequence (e.g. '\r', '\n'). 12813481Sgiacomo.travaglini@arm.comenum CharFormat { 12913481Sgiacomo.travaglini@arm.com kAsIs, 13013481Sgiacomo.travaglini@arm.com kHexEscape, 13113481Sgiacomo.travaglini@arm.com kSpecialEscape 13213481Sgiacomo.travaglini@arm.com}; 13313481Sgiacomo.travaglini@arm.com 13413481Sgiacomo.travaglini@arm.com// Returns true if c is a printable ASCII character. We test the 13513481Sgiacomo.travaglini@arm.com// value of c directly instead of calling isprint(), which is buggy on 13613481Sgiacomo.travaglini@arm.com// Windows Mobile. 13713481Sgiacomo.travaglini@arm.cominline bool IsPrintableAscii(wchar_t c) { 13813481Sgiacomo.travaglini@arm.com return 0x20 <= c && c <= 0x7E; 13913481Sgiacomo.travaglini@arm.com} 14013481Sgiacomo.travaglini@arm.com 14113481Sgiacomo.travaglini@arm.com// Prints a wide or narrow char c as a character literal without the 14213481Sgiacomo.travaglini@arm.com// quotes, escaping it when necessary; returns how c was formatted. 14313481Sgiacomo.travaglini@arm.com// The template argument UnsignedChar is the unsigned version of Char, 14413481Sgiacomo.travaglini@arm.com// which is the type of c. 14513481Sgiacomo.travaglini@arm.comtemplate <typename UnsignedChar, typename Char> 14613481Sgiacomo.travaglini@arm.comstatic CharFormat PrintAsCharLiteralTo(Char c, ostream* os) { 14713481Sgiacomo.travaglini@arm.com switch (static_cast<wchar_t>(c)) { 14813481Sgiacomo.travaglini@arm.com case L'\0': 14913481Sgiacomo.travaglini@arm.com *os << "\\0"; 15013481Sgiacomo.travaglini@arm.com break; 15113481Sgiacomo.travaglini@arm.com case L'\'': 15213481Sgiacomo.travaglini@arm.com *os << "\\'"; 15313481Sgiacomo.travaglini@arm.com break; 15413481Sgiacomo.travaglini@arm.com case L'\\': 15513481Sgiacomo.travaglini@arm.com *os << "\\\\"; 15613481Sgiacomo.travaglini@arm.com break; 15713481Sgiacomo.travaglini@arm.com case L'\a': 15813481Sgiacomo.travaglini@arm.com *os << "\\a"; 15913481Sgiacomo.travaglini@arm.com break; 16013481Sgiacomo.travaglini@arm.com case L'\b': 16113481Sgiacomo.travaglini@arm.com *os << "\\b"; 16213481Sgiacomo.travaglini@arm.com break; 16313481Sgiacomo.travaglini@arm.com case L'\f': 16413481Sgiacomo.travaglini@arm.com *os << "\\f"; 16513481Sgiacomo.travaglini@arm.com break; 16613481Sgiacomo.travaglini@arm.com case L'\n': 16713481Sgiacomo.travaglini@arm.com *os << "\\n"; 16813481Sgiacomo.travaglini@arm.com break; 16913481Sgiacomo.travaglini@arm.com case L'\r': 17013481Sgiacomo.travaglini@arm.com *os << "\\r"; 17113481Sgiacomo.travaglini@arm.com break; 17213481Sgiacomo.travaglini@arm.com case L'\t': 17313481Sgiacomo.travaglini@arm.com *os << "\\t"; 17413481Sgiacomo.travaglini@arm.com break; 17513481Sgiacomo.travaglini@arm.com case L'\v': 17613481Sgiacomo.travaglini@arm.com *os << "\\v"; 17713481Sgiacomo.travaglini@arm.com break; 17813481Sgiacomo.travaglini@arm.com default: 17913481Sgiacomo.travaglini@arm.com if (IsPrintableAscii(c)) { 18013481Sgiacomo.travaglini@arm.com *os << static_cast<char>(c); 18113481Sgiacomo.travaglini@arm.com return kAsIs; 18213481Sgiacomo.travaglini@arm.com } else { 18313481Sgiacomo.travaglini@arm.com *os << "\\x" + String::FormatHexInt(static_cast<UnsignedChar>(c)); 18413481Sgiacomo.travaglini@arm.com return kHexEscape; 18513481Sgiacomo.travaglini@arm.com } 18613481Sgiacomo.travaglini@arm.com } 18713481Sgiacomo.travaglini@arm.com return kSpecialEscape; 18813481Sgiacomo.travaglini@arm.com} 18913481Sgiacomo.travaglini@arm.com 19013481Sgiacomo.travaglini@arm.com// Prints a wchar_t c as if it's part of a string literal, escaping it when 19113481Sgiacomo.travaglini@arm.com// necessary; returns how c was formatted. 19213481Sgiacomo.travaglini@arm.comstatic CharFormat PrintAsStringLiteralTo(wchar_t c, ostream* os) { 19313481Sgiacomo.travaglini@arm.com switch (c) { 19413481Sgiacomo.travaglini@arm.com case L'\'': 19513481Sgiacomo.travaglini@arm.com *os << "'"; 19613481Sgiacomo.travaglini@arm.com return kAsIs; 19713481Sgiacomo.travaglini@arm.com case L'"': 19813481Sgiacomo.travaglini@arm.com *os << "\\\""; 19913481Sgiacomo.travaglini@arm.com return kSpecialEscape; 20013481Sgiacomo.travaglini@arm.com default: 20113481Sgiacomo.travaglini@arm.com return PrintAsCharLiteralTo<wchar_t>(c, os); 20213481Sgiacomo.travaglini@arm.com } 20313481Sgiacomo.travaglini@arm.com} 20413481Sgiacomo.travaglini@arm.com 20513481Sgiacomo.travaglini@arm.com// Prints a char c as if it's part of a string literal, escaping it when 20613481Sgiacomo.travaglini@arm.com// necessary; returns how c was formatted. 20713481Sgiacomo.travaglini@arm.comstatic CharFormat PrintAsStringLiteralTo(char c, ostream* os) { 20813481Sgiacomo.travaglini@arm.com return PrintAsStringLiteralTo( 20913481Sgiacomo.travaglini@arm.com static_cast<wchar_t>(static_cast<unsigned char>(c)), os); 21013481Sgiacomo.travaglini@arm.com} 21113481Sgiacomo.travaglini@arm.com 21213481Sgiacomo.travaglini@arm.com// Prints a wide or narrow character c and its code. '\0' is printed 21313481Sgiacomo.travaglini@arm.com// as "'\\0'", other unprintable characters are also properly escaped 21413481Sgiacomo.travaglini@arm.com// using the standard C++ escape sequence. The template argument 21513481Sgiacomo.travaglini@arm.com// UnsignedChar is the unsigned version of Char, which is the type of c. 21613481Sgiacomo.travaglini@arm.comtemplate <typename UnsignedChar, typename Char> 21713481Sgiacomo.travaglini@arm.comvoid PrintCharAndCodeTo(Char c, ostream* os) { 21813481Sgiacomo.travaglini@arm.com // First, print c as a literal in the most readable form we can find. 21913481Sgiacomo.travaglini@arm.com *os << ((sizeof(c) > 1) ? "L'" : "'"); 22013481Sgiacomo.travaglini@arm.com const CharFormat format = PrintAsCharLiteralTo<UnsignedChar>(c, os); 22113481Sgiacomo.travaglini@arm.com *os << "'"; 22213481Sgiacomo.travaglini@arm.com 22313481Sgiacomo.travaglini@arm.com // To aid user debugging, we also print c's code in decimal, unless 22413481Sgiacomo.travaglini@arm.com // it's 0 (in which case c was printed as '\\0', making the code 22513481Sgiacomo.travaglini@arm.com // obvious). 22613481Sgiacomo.travaglini@arm.com if (c == 0) 22713481Sgiacomo.travaglini@arm.com return; 22813481Sgiacomo.travaglini@arm.com *os << " (" << static_cast<int>(c); 22913481Sgiacomo.travaglini@arm.com 23013481Sgiacomo.travaglini@arm.com // For more convenience, we print c's code again in hexidecimal, 23113481Sgiacomo.travaglini@arm.com // unless c was already printed in the form '\x##' or the code is in 23213481Sgiacomo.travaglini@arm.com // [1, 9]. 23313481Sgiacomo.travaglini@arm.com if (format == kHexEscape || (1 <= c && c <= 9)) { 23413481Sgiacomo.travaglini@arm.com // Do nothing. 23513481Sgiacomo.travaglini@arm.com } else { 23613481Sgiacomo.travaglini@arm.com *os << ", 0x" << String::FormatHexInt(static_cast<UnsignedChar>(c)); 23713481Sgiacomo.travaglini@arm.com } 23813481Sgiacomo.travaglini@arm.com *os << ")"; 23913481Sgiacomo.travaglini@arm.com} 24013481Sgiacomo.travaglini@arm.com 24113481Sgiacomo.travaglini@arm.comvoid PrintTo(unsigned char c, ::std::ostream* os) { 24213481Sgiacomo.travaglini@arm.com PrintCharAndCodeTo<unsigned char>(c, os); 24313481Sgiacomo.travaglini@arm.com} 24413481Sgiacomo.travaglini@arm.comvoid PrintTo(signed char c, ::std::ostream* os) { 24513481Sgiacomo.travaglini@arm.com PrintCharAndCodeTo<unsigned char>(c, os); 24613481Sgiacomo.travaglini@arm.com} 24713481Sgiacomo.travaglini@arm.com 24813481Sgiacomo.travaglini@arm.com// Prints a wchar_t as a symbol if it is printable or as its internal 24913481Sgiacomo.travaglini@arm.com// code otherwise and also as its code. L'\0' is printed as "L'\\0'". 25013481Sgiacomo.travaglini@arm.comvoid PrintTo(wchar_t wc, ostream* os) { 25113481Sgiacomo.travaglini@arm.com PrintCharAndCodeTo<wchar_t>(wc, os); 25213481Sgiacomo.travaglini@arm.com} 25313481Sgiacomo.travaglini@arm.com 25413481Sgiacomo.travaglini@arm.com// Prints the given array of characters to the ostream. CharType must be either 25513481Sgiacomo.travaglini@arm.com// char or wchar_t. 25613481Sgiacomo.travaglini@arm.com// The array starts at begin, the length is len, it may include '\0' characters 25713481Sgiacomo.travaglini@arm.com// and may not be NUL-terminated. 25813481Sgiacomo.travaglini@arm.comtemplate <typename CharType> 25913481Sgiacomo.travaglini@arm.comGTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ 26013481Sgiacomo.travaglini@arm.comGTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ 26113481Sgiacomo.travaglini@arm.comGTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ 26213481Sgiacomo.travaglini@arm.comstatic void PrintCharsAsStringTo( 26313481Sgiacomo.travaglini@arm.com const CharType* begin, size_t len, ostream* os) { 26413481Sgiacomo.travaglini@arm.com const char* const kQuoteBegin = sizeof(CharType) == 1 ? "\"" : "L\""; 26513481Sgiacomo.travaglini@arm.com *os << kQuoteBegin; 26613481Sgiacomo.travaglini@arm.com bool is_previous_hex = false; 26713481Sgiacomo.travaglini@arm.com for (size_t index = 0; index < len; ++index) { 26813481Sgiacomo.travaglini@arm.com const CharType cur = begin[index]; 26913481Sgiacomo.travaglini@arm.com if (is_previous_hex && IsXDigit(cur)) { 27013481Sgiacomo.travaglini@arm.com // Previous character is of '\x..' form and this character can be 27113481Sgiacomo.travaglini@arm.com // interpreted as another hexadecimal digit in its number. Break string to 27213481Sgiacomo.travaglini@arm.com // disambiguate. 27313481Sgiacomo.travaglini@arm.com *os << "\" " << kQuoteBegin; 27413481Sgiacomo.travaglini@arm.com } 27513481Sgiacomo.travaglini@arm.com is_previous_hex = PrintAsStringLiteralTo(cur, os) == kHexEscape; 27613481Sgiacomo.travaglini@arm.com } 27713481Sgiacomo.travaglini@arm.com *os << "\""; 27813481Sgiacomo.travaglini@arm.com} 27913481Sgiacomo.travaglini@arm.com 28013481Sgiacomo.travaglini@arm.com// Prints a (const) char/wchar_t array of 'len' elements, starting at address 28113481Sgiacomo.travaglini@arm.com// 'begin'. CharType must be either char or wchar_t. 28213481Sgiacomo.travaglini@arm.comtemplate <typename CharType> 28313481Sgiacomo.travaglini@arm.comGTEST_ATTRIBUTE_NO_SANITIZE_MEMORY_ 28413481Sgiacomo.travaglini@arm.comGTEST_ATTRIBUTE_NO_SANITIZE_ADDRESS_ 28513481Sgiacomo.travaglini@arm.comGTEST_ATTRIBUTE_NO_SANITIZE_THREAD_ 28613481Sgiacomo.travaglini@arm.comstatic void UniversalPrintCharArray( 28713481Sgiacomo.travaglini@arm.com const CharType* begin, size_t len, ostream* os) { 28813481Sgiacomo.travaglini@arm.com // The code 28913481Sgiacomo.travaglini@arm.com // const char kFoo[] = "foo"; 29013481Sgiacomo.travaglini@arm.com // generates an array of 4, not 3, elements, with the last one being '\0'. 29113481Sgiacomo.travaglini@arm.com // 29213481Sgiacomo.travaglini@arm.com // Therefore when printing a char array, we don't print the last element if 29313481Sgiacomo.travaglini@arm.com // it's '\0', such that the output matches the string literal as it's 29413481Sgiacomo.travaglini@arm.com // written in the source code. 29513481Sgiacomo.travaglini@arm.com if (len > 0 && begin[len - 1] == '\0') { 29613481Sgiacomo.travaglini@arm.com PrintCharsAsStringTo(begin, len - 1, os); 29713481Sgiacomo.travaglini@arm.com return; 29813481Sgiacomo.travaglini@arm.com } 29913481Sgiacomo.travaglini@arm.com 30013481Sgiacomo.travaglini@arm.com // If, however, the last element in the array is not '\0', e.g. 30113481Sgiacomo.travaglini@arm.com // const char kFoo[] = { 'f', 'o', 'o' }; 30213481Sgiacomo.travaglini@arm.com // we must print the entire array. We also print a message to indicate 30313481Sgiacomo.travaglini@arm.com // that the array is not NUL-terminated. 30413481Sgiacomo.travaglini@arm.com PrintCharsAsStringTo(begin, len, os); 30513481Sgiacomo.travaglini@arm.com *os << " (no terminating NUL)"; 30613481Sgiacomo.travaglini@arm.com} 30713481Sgiacomo.travaglini@arm.com 30813481Sgiacomo.travaglini@arm.com// Prints a (const) char array of 'len' elements, starting at address 'begin'. 30913481Sgiacomo.travaglini@arm.comvoid UniversalPrintArray(const char* begin, size_t len, ostream* os) { 31013481Sgiacomo.travaglini@arm.com UniversalPrintCharArray(begin, len, os); 31113481Sgiacomo.travaglini@arm.com} 31213481Sgiacomo.travaglini@arm.com 31313481Sgiacomo.travaglini@arm.com// Prints a (const) wchar_t array of 'len' elements, starting at address 31413481Sgiacomo.travaglini@arm.com// 'begin'. 31513481Sgiacomo.travaglini@arm.comvoid UniversalPrintArray(const wchar_t* begin, size_t len, ostream* os) { 31613481Sgiacomo.travaglini@arm.com UniversalPrintCharArray(begin, len, os); 31713481Sgiacomo.travaglini@arm.com} 31813481Sgiacomo.travaglini@arm.com 31913481Sgiacomo.travaglini@arm.com// Prints the given C string to the ostream. 32013481Sgiacomo.travaglini@arm.comvoid PrintTo(const char* s, ostream* os) { 32113481Sgiacomo.travaglini@arm.com if (s == NULL) { 32213481Sgiacomo.travaglini@arm.com *os << "NULL"; 32313481Sgiacomo.travaglini@arm.com } else { 32413481Sgiacomo.travaglini@arm.com *os << ImplicitCast_<const void*>(s) << " pointing to "; 32513481Sgiacomo.travaglini@arm.com PrintCharsAsStringTo(s, strlen(s), os); 32613481Sgiacomo.travaglini@arm.com } 32713481Sgiacomo.travaglini@arm.com} 32813481Sgiacomo.travaglini@arm.com 32913481Sgiacomo.travaglini@arm.com// MSVC compiler can be configured to define whar_t as a typedef 33013481Sgiacomo.travaglini@arm.com// of unsigned short. Defining an overload for const wchar_t* in that case 33113481Sgiacomo.travaglini@arm.com// would cause pointers to unsigned shorts be printed as wide strings, 33213481Sgiacomo.travaglini@arm.com// possibly accessing more memory than intended and causing invalid 33313481Sgiacomo.travaglini@arm.com// memory accesses. MSVC defines _NATIVE_WCHAR_T_DEFINED symbol when 33413481Sgiacomo.travaglini@arm.com// wchar_t is implemented as a native type. 33513481Sgiacomo.travaglini@arm.com#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED) 33613481Sgiacomo.travaglini@arm.com// Prints the given wide C string to the ostream. 33713481Sgiacomo.travaglini@arm.comvoid PrintTo(const wchar_t* s, ostream* os) { 33813481Sgiacomo.travaglini@arm.com if (s == NULL) { 33913481Sgiacomo.travaglini@arm.com *os << "NULL"; 34013481Sgiacomo.travaglini@arm.com } else { 34113481Sgiacomo.travaglini@arm.com *os << ImplicitCast_<const void*>(s) << " pointing to "; 34213481Sgiacomo.travaglini@arm.com PrintCharsAsStringTo(s, std::wcslen(s), os); 34313481Sgiacomo.travaglini@arm.com } 34413481Sgiacomo.travaglini@arm.com} 34513481Sgiacomo.travaglini@arm.com#endif // wchar_t is native 34613481Sgiacomo.travaglini@arm.com 34713481Sgiacomo.travaglini@arm.com// Prints a ::string object. 34813481Sgiacomo.travaglini@arm.com#if GTEST_HAS_GLOBAL_STRING 34913481Sgiacomo.travaglini@arm.comvoid PrintStringTo(const ::string& s, ostream* os) { 35013481Sgiacomo.travaglini@arm.com PrintCharsAsStringTo(s.data(), s.size(), os); 35113481Sgiacomo.travaglini@arm.com} 35213481Sgiacomo.travaglini@arm.com#endif // GTEST_HAS_GLOBAL_STRING 35313481Sgiacomo.travaglini@arm.com 35413481Sgiacomo.travaglini@arm.comvoid PrintStringTo(const ::std::string& s, ostream* os) { 35513481Sgiacomo.travaglini@arm.com PrintCharsAsStringTo(s.data(), s.size(), os); 35613481Sgiacomo.travaglini@arm.com} 35713481Sgiacomo.travaglini@arm.com 35813481Sgiacomo.travaglini@arm.com// Prints a ::wstring object. 35913481Sgiacomo.travaglini@arm.com#if GTEST_HAS_GLOBAL_WSTRING 36013481Sgiacomo.travaglini@arm.comvoid PrintWideStringTo(const ::wstring& s, ostream* os) { 36113481Sgiacomo.travaglini@arm.com PrintCharsAsStringTo(s.data(), s.size(), os); 36213481Sgiacomo.travaglini@arm.com} 36313481Sgiacomo.travaglini@arm.com#endif // GTEST_HAS_GLOBAL_WSTRING 36413481Sgiacomo.travaglini@arm.com 36513481Sgiacomo.travaglini@arm.com#if GTEST_HAS_STD_WSTRING 36613481Sgiacomo.travaglini@arm.comvoid PrintWideStringTo(const ::std::wstring& s, ostream* os) { 36713481Sgiacomo.travaglini@arm.com PrintCharsAsStringTo(s.data(), s.size(), os); 36813481Sgiacomo.travaglini@arm.com} 36913481Sgiacomo.travaglini@arm.com#endif // GTEST_HAS_STD_WSTRING 37013481Sgiacomo.travaglini@arm.com 37113481Sgiacomo.travaglini@arm.com} // namespace internal 37213481Sgiacomo.travaglini@arm.com 37313481Sgiacomo.travaglini@arm.com} // namespace testing 374