libcxx/test/std/localization/locales/locale.convenience/conversions/conversions.character/tolower.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <locale>
  10
  11 // template <class charT> charT tolower(charT c, const locale& loc);
  12
  13 #include <locale>
  14 #include <cassert>
  15
  16 #include "test_macros.h"
  17
  18 int main(int, char**)
  19 {
  20     std::locale l;
  21     assert(std::tolower(' ', l) == ' ');
  22     assert(std::tolower('<', l) == '<');
  23     assert(std::tolower('\x8', l) == '\x8');
  24     assert(std::tolower('A', l) == 'a');
  25     assert(std::tolower('a', l) == 'a');
  26     assert(std::tolower('z', l) == 'z');
  27     assert(std::tolower('3', l) == '3');
  28     assert(std::tolower('.', l) == '.');
  29     assert(std::tolower('f', l) == 'f');
  30     assert(std::tolower('9', l) == '9');
  31     assert(std::tolower('+', l) == '+');
  32
  33   return 0;
  34 }