locale_facetptr.pass.cpp revision 83e2c4d877fe2d7793868b1c6a5d9525a7c4d431 
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(const locale& other, Facet* f);
13
14#include <locale>
15#include <new>
16#include <cassert>
17
18#include "platform_support.h" // locale name macros
19
20int new_called = 0;
21
22void* operator new(std::size_t s) throw(std::bad_alloc)
23{
24    ++new_called;
25    return std::malloc(s);
26}
27
28void  operator delete(void* p) throw()
29{
30    --new_called;
31    std::free(p);
32}
33
34void check(const std::locale& loc)
35{
36    assert(std::has_facet<std::collate<char> >(loc));
37    assert(std::has_facet<std::collate<wchar_t> >(loc));
38
39    assert(std::has_facet<std::ctype<char> >(loc));
40    assert(std::has_facet<std::ctype<wchar_t> >(loc));
41    assert((std::has_facet<std::codecvt<char, char, std::mbstate_t> >(loc)));
42    assert((std::has_facet<std::codecvt<char16_t, char, std::mbstate_t> >(loc)));
43    assert((std::has_facet<std::codecvt<char32_t, char, std::mbstate_t> >(loc)));
44    assert((std::has_facet<std::codecvt<wchar_t, char, std::mbstate_t> >(loc)));
45
46    assert((std::has_facet<std::moneypunct<char> >(loc)));
47    assert((std::has_facet<std::moneypunct<wchar_t> >(loc)));
48    assert((std::has_facet<std::money_get<char> >(loc)));
49    assert((std::has_facet<std::money_get<wchar_t> >(loc)));
50    assert((std::has_facet<std::money_put<char> >(loc)));
51    assert((std::has_facet<std::money_put<wchar_t> >(loc)));
52
53    assert((std::has_facet<std::numpunct<char> >(loc)));
54    assert((std::has_facet<std::numpunct<wchar_t> >(loc)));
55    assert((std::has_facet<std::num_get<char> >(loc)));
56    assert((std::has_facet<std::num_get<wchar_t> >(loc)));
57    assert((std::has_facet<std::num_put<char> >(loc)));
58    assert((std::has_facet<std::num_put<wchar_t> >(loc)));
59
60    assert((std::has_facet<std::time_get<char> >(loc)));
61    assert((std::has_facet<std::time_get<wchar_t> >(loc)));
62    assert((std::has_facet<std::time_put<char> >(loc)));
63    assert((std::has_facet<std::time_put<wchar_t> >(loc)));
64
65    assert((std::has_facet<std::messages<char> >(loc)));
66    assert((std::has_facet<std::messages<wchar_t> >(loc)));
67}
68
69struct my_facet
70    : public std::locale::facet
71{
72    int test() const {return 5;}
73
74    static std::locale::id id;
75};
76
77std::locale::id my_facet::id;
78
79int main()
80{
81{
82    {
83        std::locale loc(LOCALE_ru_RU_UTF_8);
84        check(loc);
85        std::locale loc2(loc, new my_facet);
86        check(loc2);
87        assert((std::has_facet<my_facet>(loc2)));
88        const my_facet& f = std::use_facet<my_facet>(loc2);
89        assert(f.test() == 5);
90    }
91    assert(new_called == 0);
92}
93{
94    {
95        std::locale loc;
96        check(loc);
97        std::locale loc2(loc, (std::ctype<char>*)0);
98        check(loc2);
99        assert(loc == loc2);
100    }
101    assert(new_called == 0);
102}
103}
104