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 codecvt_byname<char, char, mbstate_t> 13 14 // explicit codecvt_byname(const char* nm, size_t refs = 0); 15 // explicit codecvt_byname(const string& nm, size_t refs = 0); 16 17 #include <locale> 18 #include <cassert> 19 20 #include "platform_support.h" 21 22 typedef std::codecvt_byname<char, char, std::mbstate_t> F; 23 24 class my_facet 25 : public F 26 { 27 public: 28 static int count; 29 30 explicit my_facet(const char* nm, std::size_t refs = 0) 31 : F(nm, refs) {++count;} 32 explicit my_facet(const std::string& nm, std::size_t refs = 0) 33 : F(nm, refs) {++count;} 34 35 ~my_facet() {--count;} 36 }; 37 38 int my_facet::count = 0; 39 40 int main() 41 { 42 { 43 std::locale l(std::locale::classic(), new my_facet(LOCALE_en_US)); 44 assert(my_facet::count == 1); 45 } 46 assert(my_facet::count == 0); 47 { 48 my_facet f(LOCALE_en_US, 1); 49 assert(my_facet::count == 1); 50 { 51 std::locale l(std::locale::classic(), &f); 52 assert(my_facet::count == 1); 53 } 54 assert(my_facet::count == 1); 55 } 56 assert(my_facet::count == 0); 57 { 58 std::locale l(std::locale::classic(), new my_facet(std::string(LOCALE_en_US))); 59 assert(my_facet::count == 1); 60 } 61 assert(my_facet::count == 0); 62 { 63 my_facet f(std::string(LOCALE_en_US), 1); 64 assert(my_facet::count == 1); 65 { 66 std::locale l(std::locale::classic(), &f); 67 assert(my_facet::count == 1); 68 } 69 assert(my_facet::count == 1); 70 } 71 assert(my_facet::count == 0); 72 } 73
