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 // template <class charT, class traits> class basic_ios 13 14 // basic_ios& copyfmt(const basic_ios& rhs); 15 16 #include <ios> 17 #include <streambuf> 18 #include <cassert> 19 20 #include "platform_support.h" // locale name macros 21 22 struct testbuf 23 : public std::streambuf 24 { 25 }; 26 27 bool f1_called = false; 28 bool f2_called = false; 29 30 bool g1_called = false; 31 bool g2_called = false; 32 bool g3_called = false; 33 34 void f1(std::ios_base::event ev, std::ios_base& stream, int index) 35 { 36 if (ev == std::ios_base::erase_event) 37 { 38 assert(!f1_called); 39 assert( f2_called); 40 assert(!g1_called); 41 assert(!g2_called); 42 assert(!g3_called); 43 assert(stream.getloc().name() == LOCALE_en_US_UTF_8); 44 assert(index == 4); 45 f1_called = true; 46 } 47 } 48 49 void f2(std::ios_base::event ev, std::ios_base& stream, int index) 50 { 51 if (ev == std::ios_base::erase_event) 52 { 53 assert(!f1_called); 54 assert(!f2_called); 55 assert(!g1_called); 56 assert(!g2_called); 57 assert(!g3_called); 58 assert(stream.getloc().name() == LOCALE_en_US_UTF_8); 59 assert(index == 5); 60 f2_called = true; 61 } 62 } 63 64 void g1(std::ios_base::event ev, std::ios_base& stream, int index) 65 { 66 if (ev == std::ios_base::copyfmt_event) 67 { 68 assert( f1_called); 69 assert( f2_called); 70 assert(!g1_called); 71 assert( g2_called); 72 assert( g3_called); 73 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8); 74 assert(index == 7); 75 g1_called = true; 76 } 77 } 78 79 void g2(std::ios_base::event ev, std::ios_base& stream, int index) 80 { 81 if (ev == std::ios_base::copyfmt_event) 82 { 83 assert( f1_called); 84 assert( f2_called); 85 assert(!g1_called); 86 assert(!g2_called); 87 assert( g3_called); 88 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8); 89 assert(index == 8); 90 g2_called = true; 91 } 92 } 93 94 void g3(std::ios_base::event ev, std::ios_base& stream, int index) 95 { 96 if (ev == std::ios_base::copyfmt_event) 97 { 98 assert( f1_called); 99 assert( f2_called); 100 assert(!g1_called); 101 assert(!g2_called); 102 assert(!g3_called); 103 assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8); 104 assert(index == 9); 105 g3_called = true; 106 } 107 } 108 109 int main() 110 { 111 testbuf sb1; 112 std::ios ios1(&sb1); 113 ios1.flags(std::ios::boolalpha | std::ios::dec | std::ios::fixed); 114 ios1.precision(1); 115 ios1.width(11); 116 ios1.imbue(std::locale(LOCALE_en_US_UTF_8)); 117 ios1.exceptions(std::ios::failbit); 118 ios1.setstate(std::ios::eofbit); 119 ios1.register_callback(f1, 4); 120 ios1.register_callback(f2, 5); 121 ios1.iword(0) = 1; 122 ios1.iword(1) = 2; 123 ios1.iword(2) = 3; 124 char c1, c2, c3; 125 ios1.pword(0) = &c1; 126 ios1.pword(1) = &c2; 127 ios1.pword(2) = &c3; 128 ios1.tie((std::ostream*)1); 129 ios1.fill('1'); 130 131 testbuf sb2; 132 std::ios ios2(&sb2); 133 ios2.flags(std::ios::showpoint | std::ios::uppercase); 134 ios2.precision(2); 135 ios2.width(12); 136 ios2.imbue(std::locale(LOCALE_fr_FR_UTF_8)); 137 ios2.exceptions(std::ios::eofbit); 138 ios2.setstate(std::ios::goodbit); 139 ios2.register_callback(g1, 7); 140 ios2.register_callback(g2, 8); 141 ios2.register_callback(g3, 9); 142 ios2.iword(0) = 4; 143 ios2.iword(1) = 5; 144 ios2.iword(2) = 6; 145 ios2.iword(3) = 7; 146 ios2.iword(4) = 8; 147 ios2.iword(5) = 9; 148 char d1, d2; 149 ios2.pword(0) = &d1; 150 ios2.pword(1) = &d2; 151 ios2.tie((std::ostream*)2); 152 ios2.fill('2'); 153 154 ios1.copyfmt(ios1); 155 assert(!f1_called); 156 157 try 158 { 159 ios1.copyfmt(ios2); 160 assert(false); 161 } 162 catch (std::ios_base::failure&) 163 { 164 } 165 assert(ios1.rdstate() == std::ios::eofbit); 166 assert(ios1.rdbuf() == &sb1); 167 assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase)); 168 assert(ios1.precision() == 2); 169 assert(ios1.width() == 12); 170 assert(ios1.getloc().name() == LOCALE_fr_FR_UTF_8); 171 assert(ios1.exceptions() == std::ios::eofbit); 172 assert(f1_called); 173 assert(f2_called); 174 assert(g1_called); 175 assert(g2_called); 176 assert(g3_called); 177 assert(ios1.iword(0) == 4); 178 assert(ios1.iword(1) == 5); 179 assert(ios1.iword(2) == 6); 180 assert(ios1.iword(3) == 7); 181 assert(ios1.iword(4) == 8); 182 assert(ios1.iword(5) == 9); 183 assert(ios1.pword(0) == &d1); 184 assert(ios1.pword(1) == &d2); 185 assert(ios1.tie() == (std::ostream*)2); 186 assert(ios1.fill() == '2'); 187 } 188
