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 charT> class numpunct; 13 14 // explicit numpunct(size_t refs = 0); 15 16 #include <locale> 17 #include <cassert> 18 19 template <class C> 20 class my_facet 21 : public std::numpunct<C> 22 { 23 public: 24 static int count; 25 26 explicit my_facet(std::size_t refs = 0) 27 : std::numpunct<C>(refs) {++count;} 28 29 ~my_facet() {--count;} 30 }; 31 32 template <class C> int my_facet<C>::count = 0; 33 34 int main() 35 { 36 { 37 std::locale l(std::locale::classic(), new my_facet<char>); 38 assert(my_facet<char>::count == 1); 39 } 40 assert(my_facet<char>::count == 0); 41 { 42 my_facet<char> f(1); 43 assert(my_facet<char>::count == 1); 44 { 45 std::locale l(std::locale::classic(), &f); 46 assert(my_facet<char>::count == 1); 47 } 48 assert(my_facet<char>::count == 1); 49 } 50 assert(my_facet<char>::count == 0); 51 { 52 std::locale l(std::locale::classic(), new my_facet<wchar_t>); 53 assert(my_facet<wchar_t>::count == 1); 54 } 55 assert(my_facet<wchar_t>::count == 0); 56 { 57 my_facet<wchar_t> f(1); 58 assert(my_facet<wchar_t>::count == 1); 59 { 60 std::locale l(std::locale::classic(), &f); 61 assert(my_facet<wchar_t>::count == 1); 62 } 63 assert(my_facet<wchar_t>::count == 1); 64 } 65 assert(my_facet<wchar_t>::count == 0); 66 } 67
