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 23class test 24 : public std::ios 25{ 26public: 27 test() 28 { 29 init(0); 30 } 31}; 32 33bool f1_called = false; 34bool f2_called = false; 35bool f3_called = false; 36 37void 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 50void 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 63void 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 76int 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