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 // REQUIRES: locale.en_US.UTF-8 11 12 // <ios> 13 14 // class ios_base 15 16 // locale imbue(const locale& loc); 17 18 #include <ios> 19 #include <string> 20 #include <locale> 21 #include <cassert> 22 23 #include "platform_support.h" // locale name macros 24 25 class test 26 : public std::ios 27 { 28 public: 29 test() 30 { 31 init(0); 32 } 33 }; 34 35 bool f1_called = false; 36 bool f2_called = false; 37 bool f3_called = false; 38 39 void f1(std::ios_base::event ev, std::ios_base& stream, int index) 40 { 41 if (ev == std::ios_base::imbue_event) 42 { 43 assert(!f1_called); 44 assert( f2_called); 45 assert( f3_called); 46 assert(stream.getloc().name() == LOCALE_en_US_UTF_8); 47 assert(index == 4); 48 f1_called = true; 49 } 50 } 51 52 void f2(std::ios_base::event ev, std::ios_base& stream, int index) 53 { 54 if (ev == std::ios_base::imbue_event) 55 { 56 assert(!f1_called); 57 assert(!f2_called); 58 assert( f3_called); 59 assert(stream.getloc().name() == LOCALE_en_US_UTF_8); 60 assert(index == 5); 61 f2_called = true; 62 } 63 } 64 65 void f3(std::ios_base::event ev, std::ios_base& stream, int index) 66 { 67 if (ev == std::ios_base::imbue_event) 68 { 69 assert(!f1_called); 70 assert(!f2_called); 71 assert(!f3_called); 72 assert(stream.getloc().name() == LOCALE_en_US_UTF_8); 73 assert(index == 6); 74 f3_called = true; 75 } 76 } 77 78 int main() 79 { 80 test t; 81 std::ios_base& b = t; 82 b.register_callback(f1, 4); 83 b.register_callback(f2, 5); 84 b.register_callback(f3, 6); 85 std::locale l = b.imbue(std::locale(LOCALE_en_US_UTF_8)); 86 assert(l.name() == std::string("C")); 87 assert(b.getloc().name() == std::string(LOCALE_en_US_UTF_8)); 88 assert(f1_called); 89 assert(f2_called); 90 assert(f3_called); 91 } 92
