0,0 → 1,805 |
// 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> |
#include <string.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 |
|
#if GTEST_OS_QNX |
# include <devctl.h> |
# include <sys/procfs.h> |
#endif // GTEST_OS_QNX |
|
#include "gtest/gtest-spi.h" |
#include "gtest/gtest-message.h" |
#include "gtest/internal/gtest-internal.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 kStdOutFileno = 1; |
const int kStdErrFileno = 2; |
#else |
const int kStdOutFileno = STDOUT_FILENO; |
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; |
} |
} |
|
#elif GTEST_OS_QNX |
|
// Returns the number of threads running in the process, or 0 to indicate that |
// we cannot detect it. |
size_t GetThreadCount() { |
const int fd = open("/proc/self/as", O_RDONLY); |
if (fd < 0) { |
return 0; |
} |
procfs_info process_info; |
const int status = |
devctl(fd, DCMD_PROC_INFO, &process_info, sizeof(process_info), NULL); |
close(fd); |
if (status == EOK) { |
return static_cast<size_t>(process_info.num_threads); |
} 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() { |
if (is_valid_) { |
// regfree'ing an invalid regex might crash because the content |
// of the regex is undefined. Since the regex's are essentially |
// the same, one cannot be valid (or invalid) without the other |
// being so too. |
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)$", regex); |
is_valid_ = regcomp(&full_regex_, full_pattern, REG_EXTENDED) == 0; |
// We want to call regcomp(&partial_regex_, ...) even if the |
// previous expression returns false. Otherwise partial_regex_ may |
// not be properly initialized can may cause trouble when it's |
// freed. |
// |
// Some implementation of POSIX regex (e.g. on at least some |
// versions of Cygwin) doesn't accept the empty string as a valid |
// regex. We change it to an equivalent form "()" to be safe. |
if (is_valid_) { |
const char* const partial_regex = (*regex == '\0') ? "()" : regex; |
is_valid_ = regcomp(&partial_regex_, partial_regex, REG_EXTENDED) == 0; |
} |
EXPECT_TRUE(is_valid_) |
<< "Regular expression \"" << regex |
<< "\" is not a valid POSIX Extended regular expression."; |
|
delete[] full_pattern; |
} |
|
#elif GTEST_USES_SIMPLE_RE |
|
// Returns true iff ch appears anywhere in str (excluding the |
// terminating '\0' character). |
bool IsInSet(char ch, const char* str) { |
return ch != '\0' && strchr(str, ch) != NULL; |
} |
|
// Returns true iff ch belongs to the given classification. Unlike |
// similar functions in <ctype.h>, these aren't affected by the |
// current locale. |
bool IsAsciiDigit(char ch) { return '0' <= ch && ch <= '9'; } |
bool IsAsciiPunct(char ch) { |
return IsInSet(ch, "^-!\"#$%&'()*+,./:;<=>?@[\\]_`{|}~"); |
} |
bool IsRepeat(char ch) { return IsInSet(ch, "?*+"); } |
bool IsAsciiWhiteSpace(char ch) { return IsInSet(ch, " \f\n\r\t\v"); } |
bool IsAsciiWordChar(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 (IsAsciiPunct(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 IsAsciiDigit(ch); |
case 'D': return !IsAsciiDigit(ch); |
case 'f': return ch == '\f'; |
case 'n': return ch == '\n'; |
case 'r': return ch == '\r'; |
case 's': return IsAsciiWhiteSpace(ch); |
case 'S': return !IsAsciiWhiteSpace(ch); |
case 't': return ch == '\t'; |
case 'v': return ch == '\v'; |
case 'w': return IsAsciiWordChar(ch); |
case 'W': return !IsAsciiWordChar(ch); |
} |
return IsAsciiPunct(pattern_char) && pattern_char == ch; |
} |
|
return (pattern_char == '.' && ch != '\n') || pattern_char == ch; |
} |
|
// Helper function used by ValidateRegex() to format error messages. |
std::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 |
|
const char kUnknownFile[] = "unknown file"; |
|
// Formats a source file path and a line number as they would appear |
// in an error message from the compiler used to compile this code. |
GTEST_API_ ::std::string FormatFileLocation(const char* file, int line) { |
const std::string file_name(file == NULL ? kUnknownFile : file); |
|
if (line < 0) { |
return file_name + ":"; |
} |
#ifdef _MSC_VER |
return file_name + "(" + StreamableToString(line) + "):"; |
#else |
return file_name + ":" + StreamableToString(line) + ":"; |
#endif // _MSC_VER |
} |
|
// Formats a file location for compiler-independent XML output. |
// Although this function is not platform dependent, we put it next to |
// FormatFileLocation in order to contrast the two functions. |
// Note that FormatCompilerIndependentFileLocation() does NOT append colon |
// to the file location it produces, unlike FormatFileLocation(). |
GTEST_API_ ::std::string FormatCompilerIndependentFileLocation( |
const char* file, int line) { |
const std::string file_name(file == NULL ? kUnknownFile : file); |
|
if (line < 0) |
return file_name; |
else |
return file_name + ":" + StreamableToString(line); |
} |
|
|
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 |
|
#if GTEST_HAS_STREAM_REDIRECTION |
|
// Object that captures an output stream (stdout/stderr). |
class CapturedStream { |
public: |
// The ctor redirects the stream to a temporary file. |
explicit CapturedStream(int fd) : fd_(fd), uncaptured_fd_(dup(fd)) { |
# 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); |
const UINT success = ::GetTempFileNameA(temp_dir_path, |
"gtest_redir", |
0, // Generate unique file name. |
temp_file_path); |
GTEST_CHECK_(success != 0) |
<< "Unable to create a temporary file in " << temp_dir_path; |
const int captured_fd = creat(temp_file_path, _S_IREAD | _S_IWRITE); |
GTEST_CHECK_(captured_fd != -1) << "Unable to open temporary file " |
<< temp_file_path; |
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. We use /tmp on most systems, and /sdcard on Android. |
// That's because Android doesn't have /tmp. |
# if GTEST_OS_LINUX_ANDROID |
// Note: Android applications are expected to call the framework's |
// Context.getExternalStorageDirectory() method through JNI to get |
// the location of the world-writable SD Card directory. However, |
// this requires a Context handle, which cannot be retrieved |
// globally from native code. Doing so also precludes running the |
// code as part of a regular standalone executable, which doesn't |
// run in a Dalvik process (e.g. when running it through 'adb shell'). |
// |
// The location /sdcard is directly accessible from native code |
// and is the only location (unofficially) supported by the Android |
// team. It's generally a symlink to the real SD Card mount point |
// which can be /mnt/sdcard, /mnt/sdcard0, /system/media/sdcard, or |
// other OEM-customized locations. Never rely on these, and always |
// use /sdcard. |
char name_template[] = "/sdcard/gtest_captured_stream.XXXXXX"; |
# else |
char name_template[] = "/tmp/captured_stream.XXXXXX"; |
# endif // GTEST_OS_LINUX_ANDROID |
const int captured_fd = mkstemp(name_template); |
filename_ = name_template; |
# endif // GTEST_OS_WINDOWS |
fflush(NULL); |
dup2(captured_fd, fd_); |
close(captured_fd); |
} |
|
~CapturedStream() { |
remove(filename_.c_str()); |
} |
|
std::string GetCapturedString() { |
if (uncaptured_fd_ != -1) { |
// Restores the original stream. |
fflush(NULL); |
dup2(uncaptured_fd_, fd_); |
close(uncaptured_fd_); |
uncaptured_fd_ = -1; |
} |
|
FILE* const file = posix::FOpen(filename_.c_str(), "r"); |
const std::string content = ReadEntireFile(file); |
posix::FClose(file); |
return content; |
} |
|
private: |
// Reads the entire content of a file as an std::string. |
static std::string ReadEntireFile(FILE* file); |
|
// Returns the size (in bytes) of a file. |
static size_t GetFileSize(FILE* file); |
|
const int fd_; // A stream to capture. |
int uncaptured_fd_; |
// Name of the temporary file holding the stderr output. |
::std::string filename_; |
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(CapturedStream); |
}; |
|
// Returns the size (in bytes) of a file. |
size_t CapturedStream::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. |
std::string CapturedStream::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 std::string content(buffer, bytes_read); |
delete[] buffer; |
|
return content; |
} |
|
# ifdef _MSC_VER |
# pragma warning(pop) |
# endif // _MSC_VER |
|
static CapturedStream* g_captured_stderr = NULL; |
static CapturedStream* g_captured_stdout = NULL; |
|
// Starts capturing an output stream (stdout/stderr). |
void CaptureStream(int fd, const char* stream_name, CapturedStream** stream) { |
if (*stream != NULL) { |
GTEST_LOG_(FATAL) << "Only one " << stream_name |
<< " capturer can exist at a time."; |
} |
*stream = new CapturedStream(fd); |
} |
|
// Stops capturing the output stream and returns the captured string. |
std::string GetCapturedStream(CapturedStream** captured_stream) { |
const std::string content = (*captured_stream)->GetCapturedString(); |
|
delete *captured_stream; |
*captured_stream = NULL; |
|
return content; |
} |
|
// Starts capturing stdout. |
void CaptureStdout() { |
CaptureStream(kStdOutFileno, "stdout", &g_captured_stdout); |
} |
|
// Starts capturing stderr. |
void CaptureStderr() { |
CaptureStream(kStdErrFileno, "stderr", &g_captured_stderr); |
} |
|
// Stops capturing stdout and returns the captured string. |
std::string GetCapturedStdout() { |
return GetCapturedStream(&g_captured_stdout); |
} |
|
// Stops capturing stderr and returns the captured string. |
std::string GetCapturedStderr() { |
return GetCapturedStream(&g_captured_stderr); |
} |
|
#endif // GTEST_HAS_STREAM_REDIRECTION |
|
#if GTEST_HAS_DEATH_TEST |
|
// A copy of all command line arguments. Set by InitGoogleTest(). |
::std::vector<testing::internal::string> g_argvs; |
|
static const ::std::vector<testing::internal::string>* g_injected_test_argvs = |
NULL; // Owned. |
|
void SetInjectableArgvs(const ::std::vector<testing::internal::string>* argvs) { |
if (g_injected_test_argvs != argvs) |
delete g_injected_test_argvs; |
g_injected_test_argvs = argvs; |
} |
|
const ::std::vector<testing::internal::string>& GetInjectableArgvs() { |
if (g_injected_test_argvs != NULL) { |
return *g_injected_test_argvs; |
} |
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 std::string FlagToEnvVar(const char* flag) { |
const std::string full_flag = |
(Message() << GTEST_FLAG_PREFIX_ << flag).GetString(); |
|
Message env_var; |
for (size_t i = 0; i != full_flag.length(); i++) { |
env_var << 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 std::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 std::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 std::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 |