Home | History | Annotate | Download | only in locale.members 
      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 
     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 {
     57     int test() const {return 5;}
     58 
     59     static std::locale::id id;
     60 };
     61 
     62 std::locale::id my_facet::id;
     63 
     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