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> class ctype_byname;
13 
14 // charT widen(char c) const;
15 
16 // I doubt this test is portable
17 
18 #include <locale>
19 #include <cassert>
20 #include <limits.h>
21 
22 #include "platform_support.h" // locale name macros
23 
24 int main()
25 {
26     {
27         std::locale l(LOCALE_en_US_UTF_8);
28         {
29             typedef std::ctype<wchar_t> F;
30             const F& f = std::use_facet<F>(l);
31 
32             assert(f.widen(' ') == L' ');
33             assert(f.widen('A') == L'A');
34             assert(f.widen('\x07') == L'\x07');
35             assert(f.widen('.') == L'.');
36             assert(f.widen('a') == L'a');
37             assert(f.widen('1') == L'1');
38             assert(f.widen(char(-5)) == wchar_t(-1));
39         }
40     }
41     {
42         std::locale l("C");
43         {
44             typedef std::ctype<wchar_t> F;
45             const F& f = std::use_facet<F>(l);
46 
47             assert(f.widen(' ') == L' ');
48             assert(f.widen('A') == L'A');
49             assert(f.widen('\x07') == L'\x07');
50             assert(f.widen('.') == L'.');
51             assert(f.widen('a') == L'a');
52             assert(f.widen('1') == L'1');
53             assert(f.widen(char(-5)) == wchar_t(251));
54         }
55     }
56 }
57