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 <new> 16 #include <cassert> 17 18 int new_called = 0; 19 operator new(std::size_t s)20void* operator new(std::size_t s) throw(std::bad_alloc) 21 { 22 ++new_called; 23 return std::malloc(s); 24 } 25 operator delete(void * p)26void operator delete(void* p) throw() 27 { 28 --new_called; 29 std::free(p); 30 } 31 check(const std::locale & loc)32void check(const std::locale& loc) 33 { 34 assert(std::has_facet<std::collate<char> >(loc)); 35 assert(std::has_facet<std::collate<wchar_t> >(loc)); 36 37 assert(std::has_facet<std::ctype<char> >(loc)); 38 assert(std::has_facet<std::ctype<wchar_t> >(loc)); 39 assert((std::has_facet<std::codecvt<char, char, std::mbstate_t> >(loc))); 40 assert((std::has_facet<std::codecvt<char16_t, char, std::mbstate_t> >(loc))); 41 assert((std::has_facet<std::codecvt<char32_t, char, std::mbstate_t> >(loc))); 42 assert((std::has_facet<std::codecvt<wchar_t, char, std::mbstate_t> >(loc))); 43 44 assert((std::has_facet<std::moneypunct<char> >(loc))); 45 assert((std::has_facet<std::moneypunct<wchar_t> >(loc))); 46 assert((std::has_facet<std::money_get<char> >(loc))); 47 assert((std::has_facet<std::money_get<wchar_t> >(loc))); 48 assert((std::has_facet<std::money_put<char> >(loc))); 49 assert((std::has_facet<std::money_put<wchar_t> >(loc))); 50 51 assert((std::has_facet<std::numpunct<char> >(loc))); 52 assert((std::has_facet<std::numpunct<wchar_t> >(loc))); 53 assert((std::has_facet<std::num_get<char> >(loc))); 54 assert((std::has_facet<std::num_get<wchar_t> >(loc))); 55 assert((std::has_facet<std::num_put<char> >(loc))); 56 assert((std::has_facet<std::num_put<wchar_t> >(loc))); 57 58 assert((std::has_facet<std::time_get<char> >(loc))); 59 assert((std::has_facet<std::time_get<wchar_t> >(loc))); 60 assert((std::has_facet<std::time_put<char> >(loc))); 61 assert((std::has_facet<std::time_put<wchar_t> >(loc))); 62 63 assert((std::has_facet<std::messages<char> >(loc))); 64 assert((std::has_facet<std::messages<wchar_t> >(loc))); 65 } 66 67 struct my_facet 68 : public std::locale::facet 69 { testmy_facet70 int test() const {return 5;} 71 72 static std::locale::id id; 73 }; 74 75 std::locale::id my_facet::id; 76 main()77int main() 78 { 79 { 80 { 81 std::locale loc; 82 std::locale loc2(loc, new my_facet); 83 std::locale loc3 = loc.combine<my_facet>(loc2); 84 check(loc3); 85 assert(loc3.name() == "*"); 86 assert((std::has_facet<my_facet>(loc3))); 87 const my_facet& f = std::use_facet<my_facet>(loc3); 88 assert(f.test() == 5); 89 } 90 assert(new_called == 0); 91 } 92 { 93 { 94 std::locale loc; 95 std::locale loc2; 96 try 97 { 98 std::locale loc3 = loc.combine<my_facet>(loc2); 99 assert(false); 100 } 101 catch (std::runtime_error&) 102 { 103 } 104 } 105 assert(new_called == 0); 106 } 107 } 108