1fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Copyright 2008, Google Inc. 2fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// All rights reserved. 3fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 4fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Redistribution and use in source and binary forms, with or without 5fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// modification, are permitted provided that the following conditions are 6fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// met: 7fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 8fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions of source code must retain the above copyright 9fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// notice, this list of conditions and the following disclaimer. 10fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions in binary form must reproduce the above 11fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// copyright notice, this list of conditions and the following disclaimer 12fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// in the documentation and/or other materials provided with the 13fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// distribution. 14fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Neither the name of Google Inc. nor the names of its 15fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// contributors may be used to endorse or promote products derived from 16fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// this software without specific prior written permission. 17fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 18fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 30fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Author: wan@google.com (Zhanyong Wan) 31fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 32fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <gtest/internal/gtest-port.h> 33fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 34fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <limits.h> 35fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <stdlib.h> 36fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <stdio.h> 37fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 38d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#if GTEST_OS_WINDOWS_MOBILE 39d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#include <windows.h> // For TerminateProcess() 40d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#elif GTEST_OS_WINDOWS 41fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <io.h> 42fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <sys/stat.h> 43fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 44fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <unistd.h> 45d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif // GTEST_OS_WINDOWS_MOBILE 46fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 47fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_OS_MAC 48fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <mach/mach_init.h> 49fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <mach/task.h> 50fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <mach/vm_map.h> 51fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_OS_MAC 52fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 53fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <gtest/gtest-spi.h> 54fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <gtest/gtest-message.h> 55fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <gtest/internal/gtest-string.h> 56fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 57fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Indicates that this translation unit is part of Google Test's 58fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// implementation. It must come before gtest-internal-inl.h is 59fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// included, or there will be a compiler error. This trick is to 60fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// prevent a user from accidentally including gtest-internal-inl.h in 61fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// his code. 62fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#define GTEST_IMPLEMENTATION_ 1 63fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include "src/gtest-internal-inl.h" 64fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#undef GTEST_IMPLEMENTATION_ 65fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 66fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace testing { 67fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace internal { 68fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 69fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if defined(_MSC_VER) || defined(__BORLANDC__) 70fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// MSVC and C++Builder do not provide a definition of STDERR_FILENO. 71fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleconst int kStdErrFileno = 2; 72fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 73fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleconst int kStdErrFileno = STDERR_FILENO; 74fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // _MSC_VER 75fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 76fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_OS_MAC 77fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 78fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns the number of threads running in the process, or 0 to indicate that 79fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// we cannot detect it. 80fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillesize_t GetThreadCount() { 81fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const task_t task = mach_task_self(); 82fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville mach_msg_type_number_t thread_count; 83fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville thread_act_array_t thread_list; 84fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const kern_return_t status = task_threads(task, &thread_list, &thread_count); 85fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (status == KERN_SUCCESS) { 86fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // task_threads allocates resources in thread_list and we need to free them 87fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // to avoid leaks. 88fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vm_deallocate(task, 89fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville reinterpret_cast<vm_address_t>(thread_list), 90fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville sizeof(thread_t) * thread_count); 91fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return static_cast<size_t>(thread_count); 92fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else { 93fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return 0; 94fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 95fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 96fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 97fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 98fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 99fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillesize_t GetThreadCount() { 100fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // There's no portable way to detect the number of threads, so we just 101fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // return 0 to indicate that we cannot detect it. 102fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return 0; 103fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 104fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 105fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_OS_MAC 106fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 107fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_USES_POSIX_RE 108fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 109fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Implements RE. Currently only needed for death tests. 110fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 111fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleRE::~RE() { 112fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville regfree(&partial_regex_); 113fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville regfree(&full_regex_); 114fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville free(const_cast<char*>(pattern_)); 115fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 116fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 117fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff regular expression re matches the entire str. 118fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool RE::FullMatch(const char* str, const RE& re) { 119fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (!re.is_valid_) return false; 120fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 121fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville regmatch_t match; 122fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return regexec(&re.full_regex_, str, 1, &match, 0) == 0; 123fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 124fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 125fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff regular expression re matches a substring of str 126fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (including str itself). 127fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool RE::PartialMatch(const char* str, const RE& re) { 128fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (!re.is_valid_) return false; 129fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 130fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville regmatch_t match; 131fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return regexec(&re.partial_regex_, str, 1, &match, 0) == 0; 132fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 133fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 134fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Initializes an RE from its string representation. 135fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid RE::Init(const char* regex) { 136fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville pattern_ = posix::StrDup(regex); 137fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 138fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Reserves enough bytes to hold the regular expression used for a 139fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // full match. 140fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const size_t full_regex_len = strlen(regex) + 10; 141fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville char* const full_pattern = new char[full_regex_len]; 142fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 143fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville snprintf(full_pattern, full_regex_len, "^(%s)$", regex); 144fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville is_valid_ = regcomp(&full_regex_, full_pattern, REG_EXTENDED) == 0; 145fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // We want to call regcomp(&partial_regex_, ...) even if the 146fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // previous expression returns false. Otherwise partial_regex_ may 147fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // not be properly initialized can may cause trouble when it's 148fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // freed. 149fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // 150fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Some implementation of POSIX regex (e.g. on at least some 151fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // versions of Cygwin) doesn't accept the empty string as a valid 152fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // regex. We change it to an equivalent form "()" to be safe. 153fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* const partial_regex = (*regex == '\0') ? "()" : regex; 154fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville is_valid_ = (regcomp(&partial_regex_, partial_regex, REG_EXTENDED) == 0) 155fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville && is_valid_; 156fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville EXPECT_TRUE(is_valid_) 157fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << "Regular expression \"" << regex 158fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << "\" is not a valid POSIX Extended regular expression."; 159fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 160fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville delete[] full_pattern; 161fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 162fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 163fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#elif GTEST_USES_SIMPLE_RE 164fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 165fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff ch appears anywhere in str (excluding the 166fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// terminating '\0' character). 167fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool IsInSet(char ch, const char* str) { 168fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return ch != '\0' && strchr(str, ch) != NULL; 169fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 170fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 171fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff ch belongs to the given classification. Unlike 172fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// similar functions in <ctype.h>, these aren't affected by the 173fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// current locale. 174fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool IsDigit(char ch) { return '0' <= ch && ch <= '9'; } 175fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool IsPunct(char ch) { 176fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return IsInSet(ch, "^-!\"#$%&'()*+,./:;<=>?@[\\]_`{|}~"); 177fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 178fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool IsRepeat(char ch) { return IsInSet(ch, "?*+"); } 179fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool IsWhiteSpace(char ch) { return IsInSet(ch, " \f\n\r\t\v"); } 180fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool IsWordChar(char ch) { 181fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return ('a' <= ch && ch <= 'z') || ('A' <= ch && ch <= 'Z') || 182fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ('0' <= ch && ch <= '9') || ch == '_'; 183fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 184fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 185fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff "\\c" is a supported escape sequence. 186fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool IsValidEscape(char c) { 187fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return (IsPunct(c) || IsInSet(c, "dDfnrsStvwW")); 188fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 189fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 190fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff the given atom (specified by escaped and pattern) 191fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// matches ch. The result is undefined if the atom is invalid. 192fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool AtomMatchesChar(bool escaped, char pattern_char, char ch) { 193fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (escaped) { // "\\p" where p is pattern_char. 194fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville switch (pattern_char) { 195fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 'd': return IsDigit(ch); 196fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 'D': return !IsDigit(ch); 197fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 'f': return ch == '\f'; 198fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 'n': return ch == '\n'; 199fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 'r': return ch == '\r'; 200fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 's': return IsWhiteSpace(ch); 201fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 'S': return !IsWhiteSpace(ch); 202fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 't': return ch == '\t'; 203fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 'v': return ch == '\v'; 204fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 'w': return IsWordChar(ch); 205fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case 'W': return !IsWordChar(ch); 206fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 207fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return IsPunct(pattern_char) && pattern_char == ch; 208fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 209fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 210fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return (pattern_char == '.' && ch != '\n') || pattern_char == ch; 211fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 212fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 213fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Helper function used by ValidateRegex() to format error messages. 214fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleString FormatRegexSyntaxError(const char* regex, int index) { 215fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return (Message() << "Syntax error at index " << index 216fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << " in simple regular expression \"" << regex << "\": ").GetString(); 217fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 218fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 219fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Generates non-fatal failures and returns false if regex is invalid; 220fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// otherwise returns true. 221fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool ValidateRegex(const char* regex) { 222fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (regex == NULL) { 223fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // TODO(wan@google.com): fix the source file location in the 224fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // assertion failures to match where the regex is used in user 225fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // code. 226fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ADD_FAILURE() << "NULL is not a valid simple regular expression."; 227fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return false; 228fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 229fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 230fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool is_valid = true; 231fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 232fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // True iff ?, *, or + can follow the previous atom. 233fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool prev_repeatable = false; 234fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville for (int i = 0; regex[i]; i++) { 235fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (regex[i] == '\\') { // An escape sequence 236fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville i++; 237fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (regex[i] == '\0') { 238fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ADD_FAILURE() << FormatRegexSyntaxError(regex, i - 1) 239fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << "'\\' cannot appear at the end."; 240fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return false; 241fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 242fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 243fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (!IsValidEscape(regex[i])) { 244fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ADD_FAILURE() << FormatRegexSyntaxError(regex, i - 1) 245fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << "invalid escape sequence \"\\" << regex[i] << "\"."; 246fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville is_valid = false; 247fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 248fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville prev_repeatable = true; 249fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else { // Not an escape sequence. 250fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char ch = regex[i]; 251fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 252fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (ch == '^' && i > 0) { 253fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ADD_FAILURE() << FormatRegexSyntaxError(regex, i) 254fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << "'^' can only appear at the beginning."; 255fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville is_valid = false; 256fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else if (ch == '$' && regex[i + 1] != '\0') { 257fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ADD_FAILURE() << FormatRegexSyntaxError(regex, i) 258fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << "'$' can only appear at the end."; 259fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville is_valid = false; 260fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else if (IsInSet(ch, "()[]{}|")) { 261fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ADD_FAILURE() << FormatRegexSyntaxError(regex, i) 262fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << "'" << ch << "' is unsupported."; 263fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville is_valid = false; 264fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else if (IsRepeat(ch) && !prev_repeatable) { 265fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ADD_FAILURE() << FormatRegexSyntaxError(regex, i) 266fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << "'" << ch << "' can only follow a repeatable token."; 267fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville is_valid = false; 268fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 269fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 270fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville prev_repeatable = !IsInSet(ch, "^$?*+"); 271fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 272fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 273fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 274fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return is_valid; 275fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 276fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 277fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Matches a repeated regex atom followed by a valid simple regular 278fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// expression. The regex atom is defined as c if escaped is false, 279fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// or \c otherwise. repeat is the repetition meta character (?, *, 280fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// or +). The behavior is undefined if str contains too many 281fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// characters to be indexable by size_t, in which case the test will 282fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// probably time out anyway. We are fine with this limitation as 283fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// std::string has it too. 284fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool MatchRepetitionAndRegexAtHead( 285fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bool escaped, char c, char repeat, const char* regex, 286fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* str) { 287fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const size_t min_count = (repeat == '+') ? 1 : 0; 288fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const size_t max_count = (repeat == '?') ? 1 : 289fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville static_cast<size_t>(-1) - 1; 290fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // We cannot call numeric_limits::max() as it conflicts with the 291fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // max() macro on Windows. 292fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 293fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville for (size_t i = 0; i <= max_count; ++i) { 294fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // We know that the atom matches each of the first i characters in str. 295fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (i >= min_count && MatchRegexAtHead(regex, str + i)) { 296fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // We have enough matches at the head, and the tail matches too. 297fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Since we only care about *whether* the pattern matches str 298fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // (as opposed to *how* it matches), there is no need to find a 299fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // greedy match. 300fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return true; 301fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 302fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (str[i] == '\0' || !AtomMatchesChar(escaped, c, str[i])) 303fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return false; 304fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 305fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return false; 306fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 307fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 308fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff regex matches a prefix of str. regex must be a 309fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// valid simple regular expression and not start with "^", or the 310fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// result is undefined. 311fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool MatchRegexAtHead(const char* regex, const char* str) { 312fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (*regex == '\0') // An empty regex matches a prefix of anything. 313fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return true; 314fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 315fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // "$" only matches the end of a string. Note that regex being 316fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // valid guarantees that there's nothing after "$" in it. 317fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (*regex == '$') 318fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return *str == '\0'; 319fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 320fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Is the first thing in regex an escape sequence? 321fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const bool escaped = *regex == '\\'; 322fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (escaped) 323fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ++regex; 324fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (IsRepeat(regex[1])) { 325fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // MatchRepetitionAndRegexAtHead() calls MatchRegexAtHead(), so 326fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // here's an indirect recursion. It terminates as the regex gets 327fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // shorter in each recursion. 328fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return MatchRepetitionAndRegexAtHead( 329fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville escaped, regex[0], regex[1], regex + 2, str); 330fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else { 331fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // regex isn't empty, isn't "$", and doesn't start with a 332fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // repetition. We match the first atom of regex with the first 333fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // character of str and recurse. 334fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return (*str != '\0') && AtomMatchesChar(escaped, *regex, *str) && 335fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville MatchRegexAtHead(regex + 1, str + 1); 336fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 337fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 338fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 339fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff regex matches any substring of str. regex must be 340fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// a valid simple regular expression, or the result is undefined. 341fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 342fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The algorithm is recursive, but the recursion depth doesn't exceed 343fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the regex length, so we won't need to worry about running out of 344fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// stack space normally. In rare cases the time complexity can be 345fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// exponential with respect to the regex length + the string length, 346fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// but usually it's must faster (often close to linear). 347fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool MatchRegexAnywhere(const char* regex, const char* str) { 348fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (regex == NULL || str == NULL) 349fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return false; 350fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 351fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (*regex == '^') 352fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return MatchRegexAtHead(regex + 1, str); 353fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 354fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // A successful match can be anywhere in str. 355fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville do { 356fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (MatchRegexAtHead(regex, str)) 357fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return true; 358fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } while (*str++ != '\0'); 359fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return false; 360fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 361fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 362fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Implements the RE class. 363fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 364fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleRE::~RE() { 365fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville free(const_cast<char*>(pattern_)); 366fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville free(const_cast<char*>(full_pattern_)); 367fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 368fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 369fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff regular expression re matches the entire str. 370fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool RE::FullMatch(const char* str, const RE& re) { 371fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return re.is_valid_ && MatchRegexAnywhere(re.full_pattern_, str); 372fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 373fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 374fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns true iff regular expression re matches a substring of str 375fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (including str itself). 376fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool RE::PartialMatch(const char* str, const RE& re) { 377fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return re.is_valid_ && MatchRegexAnywhere(re.pattern_, str); 378fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 379fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 380fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Initializes an RE from its string representation. 381fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid RE::Init(const char* regex) { 382fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville pattern_ = full_pattern_ = NULL; 383fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (regex != NULL) { 384fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville pattern_ = posix::StrDup(regex); 385fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 386fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 387fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville is_valid_ = ValidateRegex(regex); 388fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (!is_valid_) { 389fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // No need to calculate the full pattern when the regex is invalid. 390fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return; 391fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 392fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 393fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const size_t len = strlen(regex); 394fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Reserves enough bytes to hold the regular expression used for a 395fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // full match: we need space to prepend a '^', append a '$', and 396fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // terminate the string with '\0'. 397fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville char* buffer = static_cast<char*>(malloc(len + 3)); 398fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville full_pattern_ = buffer; 399fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 400fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (*regex != '^') 401fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville *buffer++ = '^'; // Makes sure full_pattern_ starts with '^'. 402fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 403fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // We don't use snprintf or strncpy, as they trigger a warning when 404fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // compiled with VC++ 8.0. 405fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville memcpy(buffer, regex, len); 406fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville buffer += len; 407fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 408fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (len == 0 || regex[len - 1] != '$') 409fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville *buffer++ = '$'; // Makes sure full_pattern_ ends with '$'. 410fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 411fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville *buffer = '\0'; 412fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 413fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 414fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_USES_POSIX_RE 415fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 416d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 417d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink SavilleGTestLog::GTestLog(GTestLogSeverity severity, const char* file, int line) 418d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville : severity_(severity) { 419fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* const marker = 420fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville severity == GTEST_INFO ? "[ INFO ]" : 421fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville severity == GTEST_WARNING ? "[WARNING]" : 422fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville severity == GTEST_ERROR ? "[ ERROR ]" : "[ FATAL ]"; 423d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GetStream() << ::std::endl << marker << " " 424d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville << FormatFileLocation(file, line).c_str() << ": "; 425d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville} 426d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville 427d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville// Flushes the buffers and, if severity is GTEST_FATAL, aborts the program. 428d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink SavilleGTestLog::~GTestLog() { 429d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GetStream() << ::std::endl; 430d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville if (severity_ == GTEST_FATAL) { 431d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville fflush(stderr); 432fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville posix::Abort(); 433fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 434fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 435fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Disable Microsoft deprecation warnings for POSIX functions called from 436fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// this class (creat, dup, dup2, and close) 437fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef _MSC_VER 438fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#pragma warning(push) 439fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#pragma warning(disable: 4996) 440fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // _MSC_VER 441fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 442fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Defines the stderr capturer. 443fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 444fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleclass CapturedStderr { 445fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville public: 446fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The ctor redirects stderr to a temporary file. 447fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville CapturedStderr() { 448d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#if GTEST_OS_WINDOWS_MOBILE 449fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Not supported on Windows CE. 450fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville posix::Abort(); 451fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 452fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville uncaptured_fd_ = dup(kStdErrFileno); 453fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 454fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_OS_WINDOWS 455fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville char temp_dir_path[MAX_PATH + 1] = { '\0' }; // NOLINT 456fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville char temp_file_path[MAX_PATH + 1] = { '\0' }; // NOLINT 457fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 458fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::GetTempPathA(sizeof(temp_dir_path), temp_dir_path); 459fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::GetTempFileNameA(temp_dir_path, "gtest_redir", 0, temp_file_path); 460fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const int captured_fd = creat(temp_file_path, _S_IREAD | _S_IWRITE); 461fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville filename_ = temp_file_path; 462fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#else 463fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // There's no guarantee that a test has write access to the 464fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // current directory, so we create the temporary file in the /tmp 465fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // directory instead. 466fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville char name_template[] = "/tmp/captured_stderr.XXXXXX"; 467fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const int captured_fd = mkstemp(name_template); 468fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville filename_ = name_template; 469fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_OS_WINDOWS 470fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fflush(NULL); 471fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville dup2(captured_fd, kStdErrFileno); 472fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville close(captured_fd); 473d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif // GTEST_OS_WINDOWS_MOBILE 474fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 475fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 476fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ~CapturedStderr() { 477d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#if !GTEST_OS_WINDOWS_MOBILE 478fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville remove(filename_.c_str()); 479d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif // !GTEST_OS_WINDOWS_MOBILE 480fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 481fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 482fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Stops redirecting stderr. 483fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville void StopCapture() { 484d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#if !GTEST_OS_WINDOWS_MOBILE 485fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Restores the original stream. 486fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fflush(NULL); 487fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville dup2(uncaptured_fd_, kStdErrFileno); 488fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville close(uncaptured_fd_); 489fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville uncaptured_fd_ = -1; 490d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif // !GTEST_OS_WINDOWS_MOBILE 491fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 492fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 493fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Returns the name of the temporary file holding the stderr output. 494fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we 495fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // can use it here. 496fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::std::string filename() const { return filename_; } 497fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 498fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville private: 499fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville int uncaptured_fd_; 500fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ::std::string filename_; 501fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville}; 502fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 503fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#ifdef _MSC_VER 504fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#pragma warning(pop) 505fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // _MSC_VER 506fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 507fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic CapturedStderr* g_captured_stderr = NULL; 508fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 509fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns the size (in bytes) of a file. 510fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic size_t GetFileSize(FILE * file) { 511fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fseek(file, 0, SEEK_END); 512fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return static_cast<size_t>(ftell(file)); 513fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 514fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 515fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Reads the entire content of a file as a string. 516fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic String ReadEntireFile(FILE * file) { 517fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const size_t file_size = GetFileSize(file); 518fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville char* const buffer = new char[file_size]; 519fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 520fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville size_t bytes_last_read = 0; // # of bytes read in the last fread() 521fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville size_t bytes_read = 0; // # of bytes read so far 522fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 523fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fseek(file, 0, SEEK_SET); 524fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 525fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Keeps reading the file until we cannot read further or the 526fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // pre-determined file size is reached. 527fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville do { 528fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bytes_last_read = fread(buffer+bytes_read, 1, file_size-bytes_read, file); 529fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville bytes_read += bytes_last_read; 530fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } while (bytes_last_read > 0 && bytes_read < file_size); 531fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 532fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const String content(buffer, bytes_read); 533fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville delete[] buffer; 534fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 535fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return content; 536fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 537fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 538fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Starts capturing stderr. 539fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid CaptureStderr() { 540fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (g_captured_stderr != NULL) { 541d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville GTEST_LOG_(FATAL) << "Only one stderr capturer can exist at one time."; 542fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 543fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville g_captured_stderr = new CapturedStderr; 544fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 545fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 546fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Stops capturing stderr and returns the captured string. 547fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we can 548fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// use it here. 549fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleString GetCapturedStderr() { 550fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville g_captured_stderr->StopCapture(); 551fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 552fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville FILE* const file = posix::FOpen(g_captured_stderr->filename().c_str(), "r"); 553fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const String content = ReadEntireFile(file); 554fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville posix::FClose(file); 555fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 556fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville delete g_captured_stderr; 557fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville g_captured_stderr = NULL; 558fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 559fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return content; 560fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 561fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 562fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#if GTEST_HAS_DEATH_TEST 563fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 564fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A copy of all command line arguments. Set by InitGoogleTest(). 565fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville::std::vector<String> g_argvs; 566fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 567fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns the command line as a vector of strings. 568fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleconst ::std::vector<String>& GetArgvs() { return g_argvs; } 569fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 570fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#endif // GTEST_HAS_DEATH_TEST 571fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 572d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#if GTEST_OS_WINDOWS_MOBILE 573fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace posix { 574fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid Abort() { 575fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville DebugBreak(); 576fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville TerminateProcess(GetCurrentProcess(), 1); 577fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 578fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace posix 579d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville#endif // GTEST_OS_WINDOWS_MOBILE 580fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 581fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Returns the name of the environment variable corresponding to the 582fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// given flag. For example, FlagToEnvVar("foo") will return 583fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// "GTEST_FOO" in the open-source version. 584fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillestatic String FlagToEnvVar(const char* flag) { 585fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const String full_flag = 586fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville (Message() << GTEST_FLAG_PREFIX_ << flag).GetString(); 587fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 588fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Message env_var; 589d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville for (size_t i = 0; i != full_flag.length(); i++) { 590fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville env_var << static_cast<char>(toupper(full_flag.c_str()[i])); 591fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 592fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 593fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return env_var.GetString(); 594fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 595fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 596fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Parses 'str' for a 32-bit signed integer. If successful, writes 597fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the result to *value and returns true; otherwise leaves *value 598fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// unchanged and returns false. 599fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool ParseInt32(const Message& src_text, const char* str, Int32* value) { 600fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Parses the environment variable as a decimal integer. 601fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville char* end = NULL; 602fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const long long_value = strtol(str, &end, 10); // NOLINT 603fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 604fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Has strtol() consumed all characters in the string? 605fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (*end != '\0') { 606fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // No - an invalid character was encountered. 607fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Message msg; 608fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville msg << "WARNING: " << src_text 609fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << " is expected to be a 32-bit integer, but actually" 610fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << " has value \"" << str << "\".\n"; 611fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville printf("%s", msg.GetString().c_str()); 612fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fflush(stdout); 613fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return false; 614fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 615fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 616fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // Is the parsed value in the range of an Int32? 617fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const Int32 result = static_cast<Int32>(long_value); 618fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (long_value == LONG_MAX || long_value == LONG_MIN || 619fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The parsed value overflows as a long. (strtol() returns 620fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // LONG_MAX or LONG_MIN when the input overflows.) 621fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville result != long_value 622fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The parsed value overflows as an Int32. 623fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ) { 624fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Message msg; 625fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville msg << "WARNING: " << src_text 626fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << " is expected to be a 32-bit integer, but actually" 627fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville << " has value " << str << ", which overflows.\n"; 628fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville printf("%s", msg.GetString().c_str()); 629fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fflush(stdout); 630fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return false; 631fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 632fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 633fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville *value = result; 634fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return true; 635fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 636fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 637fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Reads and returns the Boolean environment variable corresponding to 638fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the given flag; if it's not set, returns default_value. 639fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 640fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// The value is considered true iff it's not "0". 641fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillebool BoolFromGTestEnv(const char* flag, bool default_value) { 642fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const String env_var = FlagToEnvVar(flag); 643fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* const string_value = posix::GetEnv(env_var.c_str()); 644fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return string_value == NULL ? 645fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville default_value : strcmp(string_value, "0") != 0; 646fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 647fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 648fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Reads and returns a 32-bit integer stored in the environment 649fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// variable corresponding to the given flag; if it isn't set or 650fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// doesn't represent a valid 32-bit integer, returns default_value. 651fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleInt32 Int32FromGTestEnv(const char* flag, Int32 default_value) { 652fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const String env_var = FlagToEnvVar(flag); 653fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* const string_value = posix::GetEnv(env_var.c_str()); 654fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (string_value == NULL) { 655fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // The environment variable is not set. 656fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return default_value; 657fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 658fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 659fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville Int32 result = default_value; 660fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (!ParseInt32(Message() << "Environment variable " << env_var, 661fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville string_value, &result)) { 662fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville printf("The default value %s is used.\n", 663fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville (Message() << default_value).GetString().c_str()); 664fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville fflush(stdout); 665fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return default_value; 666fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 667fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 668fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return result; 669fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 670fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 671fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Reads and returns the string environment variable corresponding to 672fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// the given flag; if it's not set, returns default_value. 673fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleconst char* StringFromGTestEnv(const char* flag, const char* default_value) { 674fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const String env_var = FlagToEnvVar(flag); 675fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville const char* const value = posix::GetEnv(env_var.c_str()); 676fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return value == NULL ? default_value : value; 677fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 678fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 679fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace internal 680fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace testing 681