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 // <ios> 11 12 // class ios_base 13 14 // ~ios_base() 15 16 #include <ios> 17 #include <string> 18 #include <locale> 19 #include <cassert> 20 21 class test 22 : public std::ios 23 { 24 public: 25 test() 26 { 27 init(0); 28 } 29 }; 30 31 bool f1_called = false; 32 bool f2_called = false; 33 bool f3_called = false; 34 35 void f1(std::ios_base::event ev, std::ios_base& stream, int index) 36 { 37 if (ev == std::ios_base::erase_event) 38 { 39 assert(!f1_called); 40 assert( f2_called); 41 assert( f3_called); 42 assert(stream.getloc().name() == "C"); 43 assert(index == 4); 44 f1_called = true; 45 } 46 } 47 48 void f2(std::ios_base::event ev, std::ios_base& stream, int index) 49 { 50 if (ev == std::ios_base::erase_event) 51 { 52 assert(!f1_called); 53 assert(!f2_called); 54 assert( f3_called); 55 assert(stream.getloc().name() == "C"); 56 assert(index == 5); 57 f2_called = true; 58 } 59 } 60 61 void f3(std::ios_base::event ev, std::ios_base& stream, int index) 62 { 63 if (ev == std::ios_base::erase_event) 64 { 65 assert(!f1_called); 66 assert(!f2_called); 67 assert(!f3_called); 68 assert(stream.getloc().name() == "C"); 69 assert(index == 6); 70 f3_called = true; 71 } 72 } 73 74 int main() 75 { 76 { 77 test t; 78 std::ios_base& b = t; 79 b.register_callback(f1, 4); 80 b.register_callback(f2, 5); 81 b.register_callback(f3, 6); 82 } 83 assert(f1_called); 84 assert(f2_called); 85 assert(f3_called); 86 } 87