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      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 <stdexcept>
     16 #include <cassert>
     17 
     18 #include "count_new.hpp"
     19 
     20 #include "test_macros.h"
     21 
     22 void check(const std::locale& loc)
     23 {
     24     assert(std::has_facet<std::collate<char> >(loc));
     25     assert(std::has_facet<std::collate<wchar_t> >(loc));
     26 
     27     assert(std::has_facet<std::ctype<char> >(loc));
     28     assert(std::has_facet<std::ctype<wchar_t> >(loc));
     29     assert((std::has_facet<std::codecvt<char, char, std::mbstate_t> >(loc)));
     30     assert((std::has_facet<std::codecvt<char16_t, char, std::mbstate_t> >(loc)));
     31     assert((std::has_facet<std::codecvt<char32_t, char, std::mbstate_t> >(loc)));
     32     assert((std::has_facet<std::codecvt<wchar_t, char, std::mbstate_t> >(loc)));
     33 
     34     assert((std::has_facet<std::moneypunct<char> >(loc)));
     35     assert((std::has_facet<std::moneypunct<wchar_t> >(loc)));
     36     assert((std::has_facet<std::money_get<char> >(loc)));
     37     assert((std::has_facet<std::money_get<wchar_t> >(loc)));
     38     assert((std::has_facet<std::money_put<char> >(loc)));
     39     assert((std::has_facet<std::money_put<wchar_t> >(loc)));
     40 
     41     assert((std::has_facet<std::numpunct<char> >(loc)));
     42     assert((std::has_facet<std::numpunct<wchar_t> >(loc)));
     43     assert((std::has_facet<std::num_get<char> >(loc)));
     44     assert((std::has_facet<std::num_get<wchar_t> >(loc)));
     45     assert((std::has_facet<std::num_put<char> >(loc)));
     46     assert((std::has_facet<std::num_put<wchar_t> >(loc)));
     47 
     48     assert((std::has_facet<std::time_get<char> >(loc)));
     49     assert((std::has_facet<std::time_get<wchar_t> >(loc)));
     50     assert((std::has_facet<std::time_put<char> >(loc)));
     51     assert((std::has_facet<std::time_put<wchar_t> >(loc)));
     52 
     53     assert((std::has_facet<std::messages<char> >(loc)));
     54     assert((std::has_facet<std::messages<wchar_t> >(loc)));
     55 }
     56 
     57 struct my_facet
     58     : public std::locale::facet
     59 {
     60     int test() const {return 5;}
     61 
     62     static std::locale::id id;
     63 };
     64 
     65 std::locale::id my_facet::id;
     66 
     67 int main()
     68 {
     69 {
     70     {
     71         std::locale loc;
     72         std::locale loc2(loc, new my_facet);
     73         std::locale loc3 = loc.combine<my_facet>(loc2);
     74         check(loc3);
     75         assert(loc3.name() == "*");
     76         assert((std::has_facet<my_facet>(loc3)));
     77         const my_facet& f = std::use_facet<my_facet>(loc3);
     78         assert(f.test() == 5);
     79     }
     80     assert(globalMemCounter.checkOutstandingNewEq(0));
     81 }
     82 #ifndef TEST_HAS_NO_EXCEPTIONS
     83 {
     84     {
     85         std::locale loc;
     86         std::locale loc2;
     87         try
     88         {
     89             std::locale loc3 = loc.combine<my_facet>(loc2);
     90             assert(false);
     91         }
     92         catch (std::runtime_error&)
     93         {
     94         }
     95     }
     96     assert(globalMemCounter.checkOutstandingNewEq(0));
     97 }
     98 #endif
     99 }
    100