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 ctype; 13 14 // explicit ctype(const mask* tbl = 0, bool del = false, size_t refs = 0); 15 16 #include <locale> 17 #include <cassert> 18 19 class my_facet 20 : public std::ctype<char> 21 { 22 public: 23 static int count; 24 25 explicit my_facet(const mask* tbl = 0, bool del = false, std::size_t refs = 0) 26 : std::ctype<char>(tbl, del, refs) {++count;} 27 28 ~my_facet() {--count;} 29 }; 30 31 int my_facet::count = 0; 32 33 int main() 34 { 35 { 36 std::locale l(std::locale::classic(), new my_facet); 37 assert(my_facet::count == 1); 38 } 39 assert(my_facet::count == 0); 40 { 41 my_facet f(0, false, 1); 42 assert(my_facet::count == 1); 43 { 44 std::locale l(std::locale::classic(), &f); 45 assert(my_facet::count == 1); 46 } 47 assert(my_facet::count == 1); 48 } 49 assert(my_facet::count == 0); 50 } 51