Index: third_party/gtest/src/gtest-port.cc |
diff --git a/third_party/gtest/src/gtest-port.cc b/third_party/gtest/src/gtest-port.cc |
deleted file mode 100644 |
index de169e2a0fc5dbd5775a87f0e57164823430be00..0000000000000000000000000000000000000000 |
--- a/third_party/gtest/src/gtest-port.cc |
+++ /dev/null |
@@ -1,680 +0,0 @@ |
-// Copyright 2008, Google Inc. |
-// All rights reserved. |
-// |
-// Redistribution and use in source and binary forms, with or without |
-// modification, are permitted provided that the following conditions are |
-// met: |
-// |
-// * Redistributions of source code must retain the above copyright |
-// notice, this list of conditions and the following disclaimer. |
-// * Redistributions in binary form must reproduce the above |
-// copyright notice, this list of conditions and the following disclaimer |
-// in the documentation and/or other materials provided with the |
-// distribution. |
-// * Neither the name of Google Inc. nor the names of its |
-// contributors may be used to endorse or promote products derived from |
-// this software without specific prior written permission. |
-// |
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
-// |
-// Author: wan@google.com (Zhanyong Wan) |
- |
-#include <gtest/internal/gtest-port.h> |
- |
-#include <limits.h> |
-#include <stdlib.h> |
-#include <stdio.h> |
- |
-#if GTEST_OS_WINDOWS_MOBILE |
-#include <windows.h> // For TerminateProcess() |
-#elif GTEST_OS_WINDOWS |
-#include <io.h> |
-#include <sys/stat.h> |
-#else |
-#include <unistd.h> |
-#endif // GTEST_OS_WINDOWS_MOBILE |
- |
-#if GTEST_OS_MAC |
-#include <mach/mach_init.h> |
-#include <mach/task.h> |
-#include <mach/vm_map.h> |
-#endif // GTEST_OS_MAC |
- |
-#include <gtest/gtest-spi.h> |
-#include <gtest/gtest-message.h> |
-#include <gtest/internal/gtest-string.h> |
- |
-// Indicates that this translation unit is part of Google Test's |
-// implementation. It must come before gtest-internal-inl.h is |
-// included, or there will be a compiler error. This trick is to |
-// prevent a user from accidentally including gtest-internal-inl.h in |
-// his code. |
-#define GTEST_IMPLEMENTATION_ 1 |
-#include "src/gtest-internal-inl.h" |
-#undef GTEST_IMPLEMENTATION_ |
- |
-namespace testing { |
-namespace internal { |
- |
-#if defined(_MSC_VER) || defined(__BORLANDC__) |
-// MSVC and C++Builder do not provide a definition of STDERR_FILENO. |
-const int kStdErrFileno = 2; |
-#else |
-const int kStdErrFileno = STDERR_FILENO; |
-#endif // _MSC_VER |
- |
-#if GTEST_OS_MAC |
- |
-// Returns the number of threads running in the process, or 0 to indicate that |
-// we cannot detect it. |
-size_t GetThreadCount() { |
- const task_t task = mach_task_self(); |
- mach_msg_type_number_t thread_count; |
- thread_act_array_t thread_list; |
- const kern_return_t status = task_threads(task, &thread_list, &thread_count); |
- if (status == KERN_SUCCESS) { |
- // task_threads allocates resources in thread_list and we need to free them |
- // to avoid leaks. |
- vm_deallocate(task, |
- reinterpret_cast<vm_address_t>(thread_list), |
- sizeof(thread_t) * thread_count); |
- return static_cast<size_t>(thread_count); |
- } else { |
- return 0; |
- } |
-} |
- |
-#else |
- |
-size_t GetThreadCount() { |
- // There's no portable way to detect the number of threads, so we just |
- // return 0 to indicate that we cannot detect it. |
- return 0; |
-} |
- |
-#endif // GTEST_OS_MAC |
- |
-#if GTEST_USES_POSIX_RE |
- |
-// Implements RE. Currently only needed for death tests. |
- |
-RE::~RE() { |
- regfree(&partial_regex_); |
- regfree(&full_regex_); |
- free(const_cast<char*>(pattern_)); |
-} |
- |
-// Returns true iff regular expression re matches the entire str. |
-bool RE::FullMatch(const char* str, const RE& re) { |
- if (!re.is_valid_) return false; |
- |
- regmatch_t match; |
- return regexec(&re.full_regex_, str, 1, &match, 0) == 0; |
-} |
- |
-// Returns true iff regular expression re matches a substring of str |
-// (including str itself). |
-bool RE::PartialMatch(const char* str, const RE& re) { |
- if (!re.is_valid_) return false; |
- |
- regmatch_t match; |
- return regexec(&re.partial_regex_, str, 1, &match, 0) == 0; |
-} |
- |
-// Initializes an RE from its string representation. |
-void RE::Init(const char* regex) { |
- pattern_ = posix::StrDup(regex); |
- |
- // Reserves enough bytes to hold the regular expression used for a |
- // full match. |
- const size_t full_regex_len = strlen(regex) + 10; |
- char* const full_pattern = new char[full_regex_len]; |
- |
- snprintf(full_pattern, full_regex_len, "^(%s)$", regex); |
- is_valid_ = regcomp(&full_regex_, full_pattern, REG_EXTENDED) == 0; |
- // We want to call regcomp(&partial_regex_, ...) even if the |
- // previous expression returns false. Otherwise partial_regex_ may |
- // not be properly initialized can may cause trouble when it's |
- // freed. |
- // |
- // Some implementation of POSIX regex (e.g. on at least some |
- // versions of Cygwin) doesn't accept the empty string as a valid |
- // regex. We change it to an equivalent form "()" to be safe. |
- const char* const partial_regex = (*regex == '\0') ? "()" : regex; |
- is_valid_ = (regcomp(&partial_regex_, partial_regex, REG_EXTENDED) == 0) |
- && is_valid_; |
- EXPECT_TRUE(is_valid_) |
- << "Regular expression \"" << regex |
- << "\" is not a valid POSIX Extended regular expression."; |
- |
- delete[] full_pattern; |
-} |
- |
-#elif GTEST_USES_SIMPLE_RE |
- |
-// Returns true iff ch appears anywhere in str (excluding the |
-// terminating '\0' character). |
-bool IsInSet(char ch, const char* str) { |
- return ch != '\0' && strchr(str, ch) != NULL; |
-} |
- |
-// Returns true iff ch belongs to the given classification. Unlike |
-// similar functions in <ctype.h>, these aren't affected by the |
-// current locale. |
-bool IsDigit(char ch) { return '0' <= ch && ch <= '9'; } |
-bool IsPunct(char ch) { |
- return IsInSet(ch, "^-!\"#$%&'()*+,./:;<=>?@[\\]_`{|}~"); |
-} |
-bool IsRepeat(char ch) { return IsInSet(ch, "?*+"); } |
-bool IsWhiteSpace(char ch) { return IsInSet(ch, " \f\n\r\t\v"); } |
-bool IsWordChar(char ch) { |
- return ('a' <= ch && ch <= 'z') || ('A' <= ch && ch <= 'Z') || |
- ('0' <= ch && ch <= '9') || ch == '_'; |
-} |
- |
-// Returns true iff "\\c" is a supported escape sequence. |
-bool IsValidEscape(char c) { |
- return (IsPunct(c) || IsInSet(c, "dDfnrsStvwW")); |
-} |
- |
-// Returns true iff the given atom (specified by escaped and pattern) |
-// matches ch. The result is undefined if the atom is invalid. |
-bool AtomMatchesChar(bool escaped, char pattern_char, char ch) { |
- if (escaped) { // "\\p" where p is pattern_char. |
- switch (pattern_char) { |
- case 'd': return IsDigit(ch); |
- case 'D': return !IsDigit(ch); |
- case 'f': return ch == '\f'; |
- case 'n': return ch == '\n'; |
- case 'r': return ch == '\r'; |
- case 's': return IsWhiteSpace(ch); |
- case 'S': return !IsWhiteSpace(ch); |
- case 't': return ch == '\t'; |
- case 'v': return ch == '\v'; |
- case 'w': return IsWordChar(ch); |
- case 'W': return !IsWordChar(ch); |
- } |
- return IsPunct(pattern_char) && pattern_char == ch; |
- } |
- |
- return (pattern_char == '.' && ch != '\n') || pattern_char == ch; |
-} |
- |
-// Helper function used by ValidateRegex() to format error messages. |
-String FormatRegexSyntaxError(const char* regex, int index) { |
- return (Message() << "Syntax error at index " << index |
- << " in simple regular expression \"" << regex << "\": ").GetString(); |
-} |
- |
-// Generates non-fatal failures and returns false if regex is invalid; |
-// otherwise returns true. |
-bool ValidateRegex(const char* regex) { |
- if (regex == NULL) { |
- // TODO(wan@google.com): fix the source file location in the |
- // assertion failures to match where the regex is used in user |
- // code. |
- ADD_FAILURE() << "NULL is not a valid simple regular expression."; |
- return false; |
- } |
- |
- bool is_valid = true; |
- |
- // True iff ?, *, or + can follow the previous atom. |
- bool prev_repeatable = false; |
- for (int i = 0; regex[i]; i++) { |
- if (regex[i] == '\\') { // An escape sequence |
- i++; |
- if (regex[i] == '\0') { |
- ADD_FAILURE() << FormatRegexSyntaxError(regex, i - 1) |
- << "'\\' cannot appear at the end."; |
- return false; |
- } |
- |
- if (!IsValidEscape(regex[i])) { |
- ADD_FAILURE() << FormatRegexSyntaxError(regex, i - 1) |
- << "invalid escape sequence \"\\" << regex[i] << "\"."; |
- is_valid = false; |
- } |
- prev_repeatable = true; |
- } else { // Not an escape sequence. |
- const char ch = regex[i]; |
- |
- if (ch == '^' && i > 0) { |
- ADD_FAILURE() << FormatRegexSyntaxError(regex, i) |
- << "'^' can only appear at the beginning."; |
- is_valid = false; |
- } else if (ch == '$' && regex[i + 1] != '\0') { |
- ADD_FAILURE() << FormatRegexSyntaxError(regex, i) |
- << "'$' can only appear at the end."; |
- is_valid = false; |
- } else if (IsInSet(ch, "()[]{}|")) { |
- ADD_FAILURE() << FormatRegexSyntaxError(regex, i) |
- << "'" << ch << "' is unsupported."; |
- is_valid = false; |
- } else if (IsRepeat(ch) && !prev_repeatable) { |
- ADD_FAILURE() << FormatRegexSyntaxError(regex, i) |
- << "'" << ch << "' can only follow a repeatable token."; |
- is_valid = false; |
- } |
- |
- prev_repeatable = !IsInSet(ch, "^$?*+"); |
- } |
- } |
- |
- return is_valid; |
-} |
- |
-// Matches a repeated regex atom followed by a valid simple regular |
-// expression. The regex atom is defined as c if escaped is false, |
-// or \c otherwise. repeat is the repetition meta character (?, *, |
-// or +). The behavior is undefined if str contains too many |
-// characters to be indexable by size_t, in which case the test will |
-// probably time out anyway. We are fine with this limitation as |
-// std::string has it too. |
-bool MatchRepetitionAndRegexAtHead( |
- bool escaped, char c, char repeat, const char* regex, |
- const char* str) { |
- const size_t min_count = (repeat == '+') ? 1 : 0; |
- const size_t max_count = (repeat == '?') ? 1 : |
- static_cast<size_t>(-1) - 1; |
- // We cannot call numeric_limits::max() as it conflicts with the |
- // max() macro on Windows. |
- |
- for (size_t i = 0; i <= max_count; ++i) { |
- // We know that the atom matches each of the first i characters in str. |
- if (i >= min_count && MatchRegexAtHead(regex, str + i)) { |
- // We have enough matches at the head, and the tail matches too. |
- // Since we only care about *whether* the pattern matches str |
- // (as opposed to *how* it matches), there is no need to find a |
- // greedy match. |
- return true; |
- } |
- if (str[i] == '\0' || !AtomMatchesChar(escaped, c, str[i])) |
- return false; |
- } |
- return false; |
-} |
- |
-// Returns true iff regex matches a prefix of str. regex must be a |
-// valid simple regular expression and not start with "^", or the |
-// result is undefined. |
-bool MatchRegexAtHead(const char* regex, const char* str) { |
- if (*regex == '\0') // An empty regex matches a prefix of anything. |
- return true; |
- |
- // "$" only matches the end of a string. Note that regex being |
- // valid guarantees that there's nothing after "$" in it. |
- if (*regex == '$') |
- return *str == '\0'; |
- |
- // Is the first thing in regex an escape sequence? |
- const bool escaped = *regex == '\\'; |
- if (escaped) |
- ++regex; |
- if (IsRepeat(regex[1])) { |
- // MatchRepetitionAndRegexAtHead() calls MatchRegexAtHead(), so |
- // here's an indirect recursion. It terminates as the regex gets |
- // shorter in each recursion. |
- return MatchRepetitionAndRegexAtHead( |
- escaped, regex[0], regex[1], regex + 2, str); |
- } else { |
- // regex isn't empty, isn't "$", and doesn't start with a |
- // repetition. We match the first atom of regex with the first |
- // character of str and recurse. |
- return (*str != '\0') && AtomMatchesChar(escaped, *regex, *str) && |
- MatchRegexAtHead(regex + 1, str + 1); |
- } |
-} |
- |
-// Returns true iff regex matches any substring of str. regex must be |
-// a valid simple regular expression, or the result is undefined. |
-// |
-// The algorithm is recursive, but the recursion depth doesn't exceed |
-// the regex length, so we won't need to worry about running out of |
-// stack space normally. In rare cases the time complexity can be |
-// exponential with respect to the regex length + the string length, |
-// but usually it's must faster (often close to linear). |
-bool MatchRegexAnywhere(const char* regex, const char* str) { |
- if (regex == NULL || str == NULL) |
- return false; |
- |
- if (*regex == '^') |
- return MatchRegexAtHead(regex + 1, str); |
- |
- // A successful match can be anywhere in str. |
- do { |
- if (MatchRegexAtHead(regex, str)) |
- return true; |
- } while (*str++ != '\0'); |
- return false; |
-} |
- |
-// Implements the RE class. |
- |
-RE::~RE() { |
- free(const_cast<char*>(pattern_)); |
- free(const_cast<char*>(full_pattern_)); |
-} |
- |
-// Returns true iff regular expression re matches the entire str. |
-bool RE::FullMatch(const char* str, const RE& re) { |
- return re.is_valid_ && MatchRegexAnywhere(re.full_pattern_, str); |
-} |
- |
-// Returns true iff regular expression re matches a substring of str |
-// (including str itself). |
-bool RE::PartialMatch(const char* str, const RE& re) { |
- return re.is_valid_ && MatchRegexAnywhere(re.pattern_, str); |
-} |
- |
-// Initializes an RE from its string representation. |
-void RE::Init(const char* regex) { |
- pattern_ = full_pattern_ = NULL; |
- if (regex != NULL) { |
- pattern_ = posix::StrDup(regex); |
- } |
- |
- is_valid_ = ValidateRegex(regex); |
- if (!is_valid_) { |
- // No need to calculate the full pattern when the regex is invalid. |
- return; |
- } |
- |
- const size_t len = strlen(regex); |
- // Reserves enough bytes to hold the regular expression used for a |
- // full match: we need space to prepend a '^', append a '$', and |
- // terminate the string with '\0'. |
- char* buffer = static_cast<char*>(malloc(len + 3)); |
- full_pattern_ = buffer; |
- |
- if (*regex != '^') |
- *buffer++ = '^'; // Makes sure full_pattern_ starts with '^'. |
- |
- // We don't use snprintf or strncpy, as they trigger a warning when |
- // compiled with VC++ 8.0. |
- memcpy(buffer, regex, len); |
- buffer += len; |
- |
- if (len == 0 || regex[len - 1] != '$') |
- *buffer++ = '$'; // Makes sure full_pattern_ ends with '$'. |
- |
- *buffer = '\0'; |
-} |
- |
-#endif // GTEST_USES_POSIX_RE |
- |
- |
-GTestLog::GTestLog(GTestLogSeverity severity, const char* file, int line) |
- : severity_(severity) { |
- const char* const marker = |
- severity == GTEST_INFO ? "[ INFO ]" : |
- severity == GTEST_WARNING ? "[WARNING]" : |
- severity == GTEST_ERROR ? "[ ERROR ]" : "[ FATAL ]"; |
- GetStream() << ::std::endl << marker << " " |
- << FormatFileLocation(file, line).c_str() << ": "; |
-} |
- |
-// Flushes the buffers and, if severity is GTEST_FATAL, aborts the program. |
-GTestLog::~GTestLog() { |
- GetStream() << ::std::endl; |
- if (severity_ == GTEST_FATAL) { |
- fflush(stderr); |
- posix::Abort(); |
- } |
-} |
-// Disable Microsoft deprecation warnings for POSIX functions called from |
-// this class (creat, dup, dup2, and close) |
-#ifdef _MSC_VER |
-#pragma warning(push) |
-#pragma warning(disable: 4996) |
-#endif // _MSC_VER |
- |
-// Defines the stderr capturer. |
- |
-class CapturedStderr { |
- public: |
- // The ctor redirects stderr to a temporary file. |
- CapturedStderr() { |
-#if GTEST_OS_WINDOWS_MOBILE |
- // Not supported on Windows CE. |
- posix::Abort(); |
-#else |
- uncaptured_fd_ = dup(kStdErrFileno); |
- |
-#if GTEST_OS_WINDOWS |
- char temp_dir_path[MAX_PATH + 1] = { '\0' }; // NOLINT |
- char temp_file_path[MAX_PATH + 1] = { '\0' }; // NOLINT |
- |
- ::GetTempPathA(sizeof(temp_dir_path), temp_dir_path); |
- ::GetTempFileNameA(temp_dir_path, "gtest_redir", 0, temp_file_path); |
- const int captured_fd = creat(temp_file_path, _S_IREAD | _S_IWRITE); |
- filename_ = temp_file_path; |
-#else |
- // There's no guarantee that a test has write access to the |
- // current directory, so we create the temporary file in the /tmp |
- // directory instead. |
- char name_template[] = "/tmp/captured_stderr.XXXXXX"; |
- const int captured_fd = mkstemp(name_template); |
- filename_ = name_template; |
-#endif // GTEST_OS_WINDOWS |
- fflush(NULL); |
- dup2(captured_fd, kStdErrFileno); |
- close(captured_fd); |
-#endif // GTEST_OS_WINDOWS_MOBILE |
- } |
- |
- ~CapturedStderr() { |
-#if !GTEST_OS_WINDOWS_MOBILE |
- remove(filename_.c_str()); |
-#endif // !GTEST_OS_WINDOWS_MOBILE |
- } |
- |
- // Stops redirecting stderr. |
- void StopCapture() { |
-#if !GTEST_OS_WINDOWS_MOBILE |
- // Restores the original stream. |
- fflush(NULL); |
- dup2(uncaptured_fd_, kStdErrFileno); |
- close(uncaptured_fd_); |
- uncaptured_fd_ = -1; |
-#endif // !GTEST_OS_WINDOWS_MOBILE |
- } |
- |
- // Returns the name of the temporary file holding the stderr output. |
- // GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we |
- // can use it here. |
- ::std::string filename() const { return filename_; } |
- |
- private: |
- int uncaptured_fd_; |
- ::std::string filename_; |
-}; |
- |
-#ifdef _MSC_VER |
-#pragma warning(pop) |
-#endif // _MSC_VER |
- |
-static CapturedStderr* g_captured_stderr = NULL; |
- |
-// Returns the size (in bytes) of a file. |
-static size_t GetFileSize(FILE * file) { |
- fseek(file, 0, SEEK_END); |
- return static_cast<size_t>(ftell(file)); |
-} |
- |
-// Reads the entire content of a file as a string. |
-static String ReadEntireFile(FILE * file) { |
- const size_t file_size = GetFileSize(file); |
- char* const buffer = new char[file_size]; |
- |
- size_t bytes_last_read = 0; // # of bytes read in the last fread() |
- size_t bytes_read = 0; // # of bytes read so far |
- |
- fseek(file, 0, SEEK_SET); |
- |
- // Keeps reading the file until we cannot read further or the |
- // pre-determined file size is reached. |
- do { |
- bytes_last_read = fread(buffer+bytes_read, 1, file_size-bytes_read, file); |
- bytes_read += bytes_last_read; |
- } while (bytes_last_read > 0 && bytes_read < file_size); |
- |
- const String content(buffer, bytes_read); |
- delete[] buffer; |
- |
- return content; |
-} |
- |
-// Starts capturing stderr. |
-void CaptureStderr() { |
- if (g_captured_stderr != NULL) { |
- GTEST_LOG_(FATAL) << "Only one stderr capturer can exist at one time."; |
- } |
- g_captured_stderr = new CapturedStderr; |
-} |
- |
-// Stops capturing stderr and returns the captured string. |
-// GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we can |
-// use it here. |
-String GetCapturedStderr() { |
- g_captured_stderr->StopCapture(); |
- |
- FILE* const file = posix::FOpen(g_captured_stderr->filename().c_str(), "r"); |
- const String content = ReadEntireFile(file); |
- posix::FClose(file); |
- |
- delete g_captured_stderr; |
- g_captured_stderr = NULL; |
- |
- return content; |
-} |
- |
-#if GTEST_HAS_DEATH_TEST |
- |
-// A copy of all command line arguments. Set by InitGoogleTest(). |
-::std::vector<String> g_argvs; |
- |
-// Returns the command line as a vector of strings. |
-const ::std::vector<String>& GetArgvs() { return g_argvs; } |
- |
-#endif // GTEST_HAS_DEATH_TEST |
- |
-#if GTEST_OS_WINDOWS_MOBILE |
-namespace posix { |
-void Abort() { |
- DebugBreak(); |
- TerminateProcess(GetCurrentProcess(), 1); |
-} |
-} // namespace posix |
-#endif // GTEST_OS_WINDOWS_MOBILE |
- |
-// Returns the name of the environment variable corresponding to the |
-// given flag. For example, FlagToEnvVar("foo") will return |
-// "GTEST_FOO" in the open-source version. |
-static String FlagToEnvVar(const char* flag) { |
- const String full_flag = |
- (Message() << GTEST_FLAG_PREFIX_ << flag).GetString(); |
- |
- Message env_var; |
- for (size_t i = 0; i != full_flag.length(); i++) { |
- env_var << static_cast<char>(toupper(full_flag.c_str()[i])); |
- } |
- |
- return env_var.GetString(); |
-} |
- |
-// Parses 'str' for a 32-bit signed integer. If successful, writes |
-// the result to *value and returns true; otherwise leaves *value |
-// unchanged and returns false. |
-bool ParseInt32(const Message& src_text, const char* str, Int32* value) { |
- // Parses the environment variable as a decimal integer. |
- char* end = NULL; |
- const long long_value = strtol(str, &end, 10); // NOLINT |
- |
- // Has strtol() consumed all characters in the string? |
- if (*end != '\0') { |
- // No - an invalid character was encountered. |
- Message msg; |
- msg << "WARNING: " << src_text |
- << " is expected to be a 32-bit integer, but actually" |
- << " has value \"" << str << "\".\n"; |
- printf("%s", msg.GetString().c_str()); |
- fflush(stdout); |
- return false; |
- } |
- |
- // Is the parsed value in the range of an Int32? |
- const Int32 result = static_cast<Int32>(long_value); |
- if (long_value == LONG_MAX || long_value == LONG_MIN || |
- // The parsed value overflows as a long. (strtol() returns |
- // LONG_MAX or LONG_MIN when the input overflows.) |
- result != long_value |
- // The parsed value overflows as an Int32. |
- ) { |
- Message msg; |
- msg << "WARNING: " << src_text |
- << " is expected to be a 32-bit integer, but actually" |
- << " has value " << str << ", which overflows.\n"; |
- printf("%s", msg.GetString().c_str()); |
- fflush(stdout); |
- return false; |
- } |
- |
- *value = result; |
- return true; |
-} |
- |
-// Reads and returns the Boolean environment variable corresponding to |
-// the given flag; if it's not set, returns default_value. |
-// |
-// The value is considered true iff it's not "0". |
-bool BoolFromGTestEnv(const char* flag, bool default_value) { |
- const String env_var = FlagToEnvVar(flag); |
- const char* const string_value = posix::GetEnv(env_var.c_str()); |
- return string_value == NULL ? |
- default_value : strcmp(string_value, "0") != 0; |
-} |
- |
-// Reads and returns a 32-bit integer stored in the environment |
-// variable corresponding to the given flag; if it isn't set or |
-// doesn't represent a valid 32-bit integer, returns default_value. |
-Int32 Int32FromGTestEnv(const char* flag, Int32 default_value) { |
- const String env_var = FlagToEnvVar(flag); |
- const char* const string_value = posix::GetEnv(env_var.c_str()); |
- if (string_value == NULL) { |
- // The environment variable is not set. |
- return default_value; |
- } |
- |
- Int32 result = default_value; |
- if (!ParseInt32(Message() << "Environment variable " << env_var, |
- string_value, &result)) { |
- printf("The default value %s is used.\n", |
- (Message() << default_value).GetString().c_str()); |
- fflush(stdout); |
- return default_value; |
- } |
- |
- return result; |
-} |
- |
-// Reads and returns the string environment variable corresponding to |
-// the given flag; if it's not set, returns default_value. |
-const char* StringFromGTestEnv(const char* flag, const char* default_value) { |
- const String env_var = FlagToEnvVar(flag); |
- const char* const value = posix::GetEnv(env_var.c_str()); |
- return value == NULL ? default_value : value; |
-} |
- |
-} // namespace internal |
-} // namespace testing |