fmt/test/util.h
2021-05-24 14:09:19 -07:00

82 lines
2.0 KiB
C++

// Formatting library for C++ - test utilities
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#include <cstdarg>
#include <cstdio>
#include <locale>
#include <string>
#include "fmt/os.h"
#ifdef _MSC_VER
# define FMT_VSNPRINTF vsprintf_s
#else
# define FMT_VSNPRINTF vsnprintf
#endif
template <size_t SIZE>
void safe_sprintf(char (&buffer)[SIZE], const char* format, ...) {
std::va_list args;
va_start(args, format);
FMT_VSNPRINTF(buffer, SIZE, format, args);
va_end(args);
}
extern const char* const file_content;
// Opens a buffered file for reading.
fmt::buffered_file open_buffered_file(FILE** fp = nullptr);
inline FILE* safe_fopen(const char* filename, const char* mode) {
#if defined(_WIN32) && !defined(__MINGW32__)
// Fix MSVC warning about "unsafe" fopen.
FILE* f = 0;
errno = fopen_s(&f, filename, mode);
return f;
#else
return std::fopen(filename, mode);
#endif
}
template <typename Char> class basic_test_string {
private:
std::basic_string<Char> value_;
static const Char empty[];
public:
explicit basic_test_string(const Char* value = empty) : value_(value) {}
const std::basic_string<Char>& value() const { return value_; }
};
template <typename Char> const Char basic_test_string<Char>::empty[] = {0};
typedef basic_test_string<char> test_string;
typedef basic_test_string<wchar_t> test_wstring;
template <typename Char>
std::basic_ostream<Char>& operator<<(std::basic_ostream<Char>& os,
const basic_test_string<Char>& s) {
os << s.value();
return os;
}
class date {
int year_, month_, day_;
public:
date(int year, int month, int day) : year_(year), month_(month), day_(day) {}
int year() const { return year_; }
int month() const { return month_; }
int day() const { return day_; }
};
// Returns a locale with the given name if available or classic locale othewise.
std::locale get_locale(const char* name, const char* alt_name = nullptr);