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
main(int,char **)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 }
35