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