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 // REQUIRES: locale.fr_FR.UTF-8 12 13 // <ios> 14 15 // template <class charT, class traits> class basic_ios 16 17 // basic_ios& copyfmt(const basic_ios& rhs); 18 19 #include <ios> 20 #include <streambuf> 21 #include <cassert> 22 23 #include "platform_support.h" // locale name macros 24 25 struct testbuf 26 : public std::streambuf 27 { 28 }; 29 30 bool f1_called = false; 31 bool f2_called = false; 32 33 bool g1_called = false; 34 bool g2_called = false; 35 bool g3_called = false; 36 37 void f1(std::ios_base::event ev, std::ios_base& stream, int index) 38 { 39 if (ev == std::ios_base::erase_event) 40 { 41 assert(!f1_called); 42 assert( f2_called); 43 assert(!g1_called); 44 assert(!g2_called); 45 assert(!g3_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::erase_event) 55 { 56 assert(!f1_called); 57 assert(!f2_called); 58 assert(!g1_called); 59 assert(!g2_called); 60 assert(!g3_called); 61 assert(stream.getloc().name() == LOCALE_en_US_UTF_8); 62 assert(index == 5); 63 f2_called = true; 64 } 65 } 66 67 void g1(std::ios_base::event ev, std::ios_base& stream, int index) 68 { 69 if (ev == std::ios_base::copyfmt_event) 70 { 71 assert( f1_called); 72 assert( f2_called); 73 assert(!g1_called); 74 assert( g2_called); 75 assert( g3_called); 76 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8); 77 assert(index == 7); 78 g1_called = true; 79 } 80 } 81 82 void g2(std::ios_base::event ev, std::ios_base& stream, int index) 83 { 84 if (ev == std::ios_base::copyfmt_event) 85 { 86 assert( f1_called); 87 assert( f2_called); 88 assert(!g1_called); 89 assert(!g2_called); 90 assert( g3_called); 91 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8); 92 assert(index == 8); 93 g2_called = true; 94 } 95 } 96 97 void g3(std::ios_base::event ev, std::ios_base& stream, int index) 98 { 99 if (ev == std::ios_base::copyfmt_event) 100 { 101 assert( f1_called); 102 assert( f2_called); 103 assert(!g1_called); 104 assert(!g2_called); 105 assert(!g3_called); 106 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8); 107 assert(index == 9); 108 g3_called = true; 109 } 110 } 111 112 int main() 113 { 114 testbuf sb1; 115 std::ios ios1(&sb1); 116 ios1.flags(std::ios::boolalpha | std::ios::dec | std::ios::fixed); 117 ios1.precision(1); 118 ios1.width(11); 119 ios1.imbue(std::locale(LOCALE_en_US_UTF_8)); 120 ios1.exceptions(std::ios::failbit); 121 ios1.setstate(std::ios::eofbit); 122 ios1.register_callback(f1, 4); 123 ios1.register_callback(f2, 5); 124 ios1.iword(0) = 1; 125 ios1.iword(1) = 2; 126 ios1.iword(2) = 3; 127 char c1, c2, c3; 128 ios1.pword(0) = &c1; 129 ios1.pword(1) = &c2; 130 ios1.pword(2) = &c3; 131 ios1.tie((std::ostream*)1); 132 ios1.fill('1'); 133 134 testbuf sb2; 135 std::ios ios2(&sb2); 136 ios2.flags(std::ios::showpoint | std::ios::uppercase); 137 ios2.precision(2); 138 ios2.width(12); 139 ios2.imbue(std::locale(LOCALE_fr_FR_UTF_8)); 140 ios2.exceptions(std::ios::eofbit); 141 ios2.setstate(std::ios::goodbit); 142 ios2.register_callback(g1, 7); 143 ios2.register_callback(g2, 8); 144 ios2.register_callback(g3, 9); 145 ios2.iword(0) = 4; 146 ios2.iword(1) = 5; 147 ios2.iword(2) = 6; 148 ios2.iword(3) = 7; 149 ios2.iword(4) = 8; 150 ios2.iword(5) = 9; 151 char d1, d2; 152 ios2.pword(0) = &d1; 153 ios2.pword(1) = &d2; 154 ios2.tie((std::ostream*)2); 155 ios2.fill('2'); 156 157 ios1.copyfmt(ios1); 158 assert(!f1_called); 159 160 try 161 { 162 ios1.copyfmt(ios2); 163 assert(false); 164 } 165 catch (std::ios_base::failure&) 166 { 167 } 168 assert(ios1.rdstate() == std::ios::eofbit); 169 assert(ios1.rdbuf() == &sb1); 170 assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase)); 171 assert(ios1.precision() == 2); 172 assert(ios1.width() == 12); 173 assert(ios1.getloc().name() == LOCALE_fr_FR_UTF_8); 174 assert(ios1.exceptions() == std::ios::eofbit); 175 assert(f1_called); 176 assert(f2_called); 177 assert(g1_called); 178 assert(g2_called); 179 assert(g3_called); 180 assert(ios1.iword(0) == 4); 181 assert(ios1.iword(1) == 5); 182 assert(ios1.iword(2) == 6); 183 assert(ios1.iword(3) == 7); 184 assert(ios1.iword(4) == 8); 185 assert(ios1.iword(5) == 9); 186 assert(ios1.pword(0) == &d1); 187 assert(ios1.pword(1) == &d2); 188 assert(ios1.tie() == (std::ostream*)2); 189 assert(ios1.fill() == '2'); 190 } 191
