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 Facet> locale combine(const locale& other) const;
13 
14 #include <locale>
15 #include <cassert>
16 
17 #include "count_new.hpp"
18 
check(const std::locale & loc)19 void check(const std::locale& loc)
20 {
21     assert(std::has_facet<std::collate<char> >(loc));
22     assert(std::has_facet<std::collate<wchar_t> >(loc));
23 
24     assert(std::has_facet<std::ctype<char> >(loc));
25     assert(std::has_facet<std::ctype<wchar_t> >(loc));
26     assert((std::has_facet<std::codecvt<char, char, std::mbstate_t> >(loc)));
27     assert((std::has_facet<std::codecvt<char16_t, char, std::mbstate_t> >(loc)));
28     assert((std::has_facet<std::codecvt<char32_t, char, std::mbstate_t> >(loc)));
29     assert((std::has_facet<std::codecvt<wchar_t, char, std::mbstate_t> >(loc)));
30 
31     assert((std::has_facet<std::moneypunct<char> >(loc)));
32     assert((std::has_facet<std::moneypunct<wchar_t> >(loc)));
33     assert((std::has_facet<std::money_get<char> >(loc)));
34     assert((std::has_facet<std::money_get<wchar_t> >(loc)));
35     assert((std::has_facet<std::money_put<char> >(loc)));
36     assert((std::has_facet<std::money_put<wchar_t> >(loc)));
37 
38     assert((std::has_facet<std::numpunct<char> >(loc)));
39     assert((std::has_facet<std::numpunct<wchar_t> >(loc)));
40     assert((std::has_facet<std::num_get<char> >(loc)));
41     assert((std::has_facet<std::num_get<wchar_t> >(loc)));
42     assert((std::has_facet<std::num_put<char> >(loc)));
43     assert((std::has_facet<std::num_put<wchar_t> >(loc)));
44 
45     assert((std::has_facet<std::time_get<char> >(loc)));
46     assert((std::has_facet<std::time_get<wchar_t> >(loc)));
47     assert((std::has_facet<std::time_put<char> >(loc)));
48     assert((std::has_facet<std::time_put<wchar_t> >(loc)));
49 
50     assert((std::has_facet<std::messages<char> >(loc)));
51     assert((std::has_facet<std::messages<wchar_t> >(loc)));
52 }
53 
54 struct my_facet
55     : public std::locale::facet
56 {
testmy_facet57     int test() const {return 5;}
58 
59     static std::locale::id id;
60 };
61 
62 std::locale::id my_facet::id;
63 
main()64 int main()
65 {
66 {
67     {
68         std::locale loc;
69         std::locale loc2(loc, new my_facet);
70         std::locale loc3 = loc.combine<my_facet>(loc2);
71         check(loc3);
72         assert(loc3.name() == "*");
73         assert((std::has_facet<my_facet>(loc3)));
74         const my_facet& f = std::use_facet<my_facet>(loc3);
75         assert(f.test() == 5);
76     }
77     assert(globalMemCounter.checkOutstandingNewEq(0));
78 }
79 {
80     {
81         std::locale loc;
82         std::locale loc2;
83         try
84         {
85             std::locale loc3 = loc.combine<my_facet>(loc2);
86             assert(false);
87         }
88         catch (std::runtime_error&)
89         {
90         }
91     }
92     assert(globalMemCounter.checkOutstandingNewEq(0));
93 }
94 }
95