copyfmt.pass.cpp revision 83e2c4d877fe2d7793868b1c6a5d9525a7c4d431
1dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu//===----------------------------------------------------------------------===// 2dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu// 3dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu// The LLVM Compiler Infrastructure 4dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu// 5dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu// This file is dual licensed under the MIT and the University of Illinois Open 6dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu// Source Licenses. See LICENSE.TXT for details. 7dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu// 8dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu//===----------------------------------------------------------------------===// 9dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 10dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu// <ios> 11dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 12dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu// template <class charT, class traits> class basic_ios 13dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 14dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu// basic_ios& copyfmt(const basic_ios& rhs); 15dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 16dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu#include <ios> 17dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu#include <streambuf> 18dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu#include <cassert> 19dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 20dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu#include "platform_support.h" // locale name macros 21dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 22dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhustruct testbuf 23dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu : public std::streambuf 24dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu{ 25dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu}; 26dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 27dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhubool f1_called = false; 28dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhubool f2_called = false; 29dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 30dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhubool g1_called = false; 31dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhubool g2_called = false; 32dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhubool g3_called = false; 33dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 34dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuvoid f1(std::ios_base::event ev, std::ios_base& stream, int index) 35dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu{ 36dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (ev == std::ios_base::erase_event) 37dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu { 38dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!f1_called); 39dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( f2_called); 40dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g1_called); 41dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g2_called); 42dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g3_called); 43dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(stream.getloc().name() == LOCALE_en_US_UTF_8); 44dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(index == 4); 45dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu f1_called = true; 46dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 47dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 48dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 49dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuvoid f2(std::ios_base::event ev, std::ios_base& stream, int index) 50dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu{ 51dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (ev == std::ios_base::erase_event) 52dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu { 53dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!f1_called); 54dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!f2_called); 55dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g1_called); 56dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g2_called); 57dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g3_called); 58dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(stream.getloc().name() == LOCALE_en_US_UTF_8); 59dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(index == 5); 60dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu f2_called = true; 61dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 62dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 63dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 64dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuvoid g1(std::ios_base::event ev, std::ios_base& stream, int index) 65dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu{ 66dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (ev == std::ios_base::copyfmt_event) 67dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu { 68dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( f1_called); 69dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( f2_called); 70dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g1_called); 71dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( g2_called); 72dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( g3_called); 73dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8); 74dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(index == 7); 75dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu g1_called = true; 76dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 77dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 78dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 79dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuvoid g2(std::ios_base::event ev, std::ios_base& stream, int index) 80dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu{ 81dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (ev == std::ios_base::copyfmt_event) 82dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu { 83dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( f1_called); 84dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( f2_called); 85dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g1_called); 86dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g2_called); 87dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( g3_called); 88dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8); 89dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(index == 8); 90dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu g2_called = true; 91dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 92dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 93dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 94dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuvoid g3(std::ios_base::event ev, std::ios_base& stream, int index) 95dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu{ 96dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (ev == std::ios_base::copyfmt_event) 97dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu { 98dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( f1_called); 99dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert( f2_called); 100dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g1_called); 101dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g2_called); 102dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(!g3_called); 103dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(stream.getloc().name() == LOCALE_fr_FR_UTF_8); 104dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu assert(index == 9); 105dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu g3_called = true; 106dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 107dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 108dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 109dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuint main() 110dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu{ 111dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu testbuf sb1; 112dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu std::ios ios1(&sb1); 113dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.flags(std::ios::boolalpha | std::ios::dec | std::ios::fixed); 114dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.precision(1); 115dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.width(11); 116dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.imbue(std::locale(LOCALE_en_US_UTF_8)); 117dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.exceptions(std::ios::failbit); 118dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.setstate(std::ios::eofbit); 119dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.register_callback(f1, 4); 120dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.register_callback(f2, 5); 121dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.iword(0) = 1; 122dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.iword(1) = 2; 123dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu ios1.iword(2) = 3; 124dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 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