1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <locale>
11
12 // template <class charT> bool isdigit (charT c, const locale& loc);
13
14 #include <locale>
15 #include <cassert>
16
main()17 int main()
18 {
19 std::locale l;
20 assert(!std::isdigit(' ', l));
21 assert(!std::isdigit('<', l));
22 assert(!std::isdigit('\x8', l));
23 assert(!std::isdigit('A', l));
24 assert(!std::isdigit('a', l));
25 assert(!std::isdigit('z', l));
26 assert( std::isdigit('3', l));
27 assert(!std::isdigit('.', l));
28 assert(!std::isdigit('f', l));
29 assert( std::isdigit('9', l));
30 assert(!std::isdigit('+', l));
31 }
32