#include <gtest/internal/gtest-port.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#ifdef GTEST_HAS_DEATH_TEST
#include <regex.h>
#endif // GTEST_HAS_DEATH_TEST
#ifdef _WIN32_WCE
#include <windows.h> // For TerminateProcess()
#endif // _WIN32_WCE
#include <gtest/gtest-spi.h>
#include <gtest/gtest-message.h>
#include <gtest/internal/gtest-string.h>
namespace testing {
namespace internal {
#ifdef GTEST_HAS_DEATH_TEST
RE::~RE() {
regfree(&partial_regex_);
regfree(&full_regex_);
free(const_cast<char*>(pattern_));
}
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;
}
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;
}
void RE::Init(const char* regex) {
pattern_ = strdup(regex);
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;
is_valid_ = (regcomp(&partial_regex_, regex, REG_EXTENDED) == 0) && is_valid_;
EXPECT_TRUE(is_valid_)
<< "Regular expression \"" << regex
<< "\" is not a valid POSIX Extended regular expression.";
delete[] full_pattern;
}
#endif // GTEST_HAS_DEATH_TEST
void GTestLog(GTestLogSeverity severity, const char* file,
int line, const char* msg) {
const char* const marker =
severity == GTEST_INFO ? "[ INFO ]" :
severity == GTEST_WARNING ? "[WARNING]" :
severity == GTEST_ERROR ? "[ ERROR ]" : "[ FATAL ]";
fprintf(stderr, "\n%s %s:%d: %s\n", marker, file, line, msg);
if (severity == GTEST_FATAL) {
abort();
}
}
#ifdef GTEST_HAS_DEATH_TEST
class CapturedStderr {
public:
CapturedStderr() {
uncaptured_fd_ = dup(STDERR_FILENO);
char name_template[] = "/tmp/captured_stderr.XXXXXX";
const int captured_fd = mkstemp(name_template);
filename_ = name_template;
fflush(NULL);
dup2(captured_fd, STDERR_FILENO);
close(captured_fd);
}
~CapturedStderr() {
remove(filename_.c_str());
}
void StopCapture() {
fflush(NULL);
dup2(uncaptured_fd_, STDERR_FILENO);
close(uncaptured_fd_);
uncaptured_fd_ = -1;
}
::std::string filename() const { return filename_; }
private:
int uncaptured_fd_;
::std::string filename_;
};
static CapturedStderr* g_captured_stderr = NULL;
static size_t GetFileSize(FILE * file) {
fseek(file, 0, SEEK_END);
return static_cast<size_t>(ftell(file));
}
static ::std::string ReadEntireFile(FILE * file) {
const size_t file_size = GetFileSize(file);
char* const buffer = new char[file_size];
size_t bytes_last_read = 0; size_t bytes_read = 0;
fseek(file, 0, SEEK_SET);
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, buffer+bytes_read);
delete[] buffer;
return content;
}
void CaptureStderr() {
if (g_captured_stderr != NULL) {
GTEST_LOG_(FATAL, "Only one stderr capturer can exist at one time.");
}
g_captured_stderr = new CapturedStderr;
}
::std::string GetCapturedStderr() {
g_captured_stderr->StopCapture();
FILE* const file = fopen(g_captured_stderr->filename().c_str(), "r");
const ::std::string content = ReadEntireFile(file);
fclose(file);
delete g_captured_stderr;
g_captured_stderr = NULL;
return content;
}
::std::vector<String> g_argvs;
const ::std::vector<String>& GetArgvs() { return g_argvs; }
#endif // GTEST_HAS_DEATH_TEST
#ifdef _WIN32_WCE
void abort() {
DebugBreak();
TerminateProcess(GetCurrentProcess(), 1);
}
#endif // _WIN32_WCE
static String FlagToEnvVar(const char* flag) {
const String full_flag = (Message() << GTEST_FLAG_PREFIX << flag).GetString();
Message env_var;
for (int i = 0; i != full_flag.GetLength(); i++) {
env_var << static_cast<char>(toupper(full_flag.c_str()[i]));
}
return env_var.GetString();
}
bool BoolFromGTestEnv(const char* flag, bool default_value) {
const String env_var = FlagToEnvVar(flag);
const char* const string_value = GetEnv(env_var.c_str());
return string_value == NULL ?
default_value : strcmp(string_value, "0") != 0;
}
bool ParseInt32(const Message& src_text, const char* str, Int32* value) {
char* end = NULL;
const long long_value = strtol(str, &end, 10);
if (*end != '\0') {
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;
}
const Int32 result = static_cast<Int32>(long_value);
if (long_value == LONG_MAX || long_value == LONG_MIN ||
result != long_value
) {
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;
}
Int32 Int32FromGTestEnv(const char* flag, Int32 default_value) {
const String env_var = FlagToEnvVar(flag);
const char* const string_value = GetEnv(env_var.c_str());
if (string_value == NULL) {
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;
}
const char* StringFromGTestEnv(const char* flag, const char* default_value) {
const String env_var = FlagToEnvVar(flag);
const char* const value = GetEnv(env_var.c_str());
return value == NULL ? default_value : value;
}
} }