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
19void 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
54struct my_facet
55    : public std::locale::facet
56{
57    int test() const {return 5;}
58
59    static std::locale::id id;
60};
61
62std::locale::id my_facet::id;
63
64int 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