1 files changed, 84 insertions, 0 deletions
diff --git a/src/fmt/test/util.h b/src/fmt/test/util.h
new file mode 100644
index 000000000..24a5f4e34
--- /dev/null
+++ b/src/fmt/test/util.h
@@ -0,0 +1,84 @@
+// 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 <string>
+
+#include "fmt/os.h"
+
+enum { BUFFER_SIZE = 256 };
+
+#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);
+}
+
+// Increment a number in a string.
+void increment(char* s);
+
+std::string get_system_error(int error_code);
+
+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 BasicTestString {
+ private:
+  std::basic_string<Char> value_;
+
+  static const Char EMPTY[];
+
+ public:
+  explicit BasicTestString(const Char* value = EMPTY) : value_(value) {}
+
+  const std::basic_string<Char>& value() const { return value_; }
+};
+
+template <typename Char> const Char BasicTestString<Char>::EMPTY[] = {0};
+
+typedef BasicTestString<char> TestString;
+typedef BasicTestString<wchar_t> TestWString;
+
+template <typename Char>
+std::basic_ostream<Char>& operator<<(std::basic_ostream<Char>& os,
+                                     const BasicTestString<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_; }
+};