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Diffstat (limited to 'src/gtest/gtest-port.cc')
-rw-r--r-- | src/gtest/gtest-port.cc | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/src/gtest/gtest-port.cc b/src/gtest/gtest-port.cc deleted file mode 100644 index 5c126149..00000000 --- a/src/gtest/gtest-port.cc +++ /dev/null @@ -1,292 +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> -#ifdef GTEST_HAS_DEATH_TEST -#include <regex.h> -#endif // GTEST_HAS_DEATH_TEST -#include <stdlib.h> -#include <stdio.h> - -#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 - -// Implements RE. Currently only needed for death tests. - -RE::~RE() { - regfree(®ex_); - free(const_cast<char*>(pattern_)); -} - -// Returns true iff str contains regular expression re. -bool RE::PartialMatch(const char* str, const RE& re) { - if (!re.is_valid_) return false; - - regmatch_t match; - return regexec(&re.regex_, str, 1, &match, 0) == 0; -} - -// Initializes an RE from its string representation. -void RE::Init(const char* regex) { - pattern_ = strdup(regex); - is_valid_ = regcomp(®ex_, regex, REG_EXTENDED) == 0; - EXPECT_TRUE(is_valid_) - << "Regular expression \"" << regex - << "\" is not a valid POSIX Extended regular expression."; -} - -#endif // GTEST_HAS_DEATH_TEST - -// Logs a message at the given severity level. -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 - -// Defines the stderr capturer. - -class CapturedStderr { - public: - // The ctor redirects stderr to a temporary file. - CapturedStderr() { - uncaptured_fd_ = dup(STDERR_FILENO); - - char name_template[] = "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()); - } - - // Stops redirecting stderr. - void StopCapture() { - // Restores the original stream. - fflush(NULL); - dup2(uncaptured_fd_, STDERR_FILENO); - close(uncaptured_fd_); - uncaptured_fd_ = -1; - } - - // 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_; -}; - -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. -// GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we can -// use it here. -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; // # 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, 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. -::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; -} - -// A copy of all command line arguments. Set by ParseGTestFlags(). -::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 - -// 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 (int i = 0; i != full_flag.GetLength(); i++) { - env_var << static_cast<char>(toupper(full_flag.c_str()[i])); - } - - return env_var.GetString(); -} - -// 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 = GetEnv(env_var.c_str()); - return string_value == NULL ? - default_value : strcmp(string_value, "0") != 0; -} - -// 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 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 = 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 = GetEnv(env_var.c_str()); - return value == NULL ? default_value : value; -} - -} // namespace internal -} // namespace testing |