copyfmt.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c
1//===----------------------------------------------------------------------===// 2// 3// ��������������������The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. 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 20struct testbuf 21 : public std::streambuf 22{ 23}; 24 25bool f1_called = false; 26bool f2_called = false; 27 28bool g1_called = false; 29bool g2_called = false; 30bool g3_called = false; 31 32void f1(std::ios_base::event ev, std::ios_base& stream, int index) 33{ 34 if (ev == std::ios_base::erase_event) 35 { 36 assert(!f1_called); 37 assert( f2_called); 38 assert(!g1_called); 39 assert(!g2_called); 40 assert(!g3_called); 41 assert(stream.getloc().name() == "en_US"); 42 assert(index == 4); 43 f1_called = true; 44 } 45} 46 47void f2(std::ios_base::event ev, std::ios_base& stream, int index) 48{ 49 if (ev == std::ios_base::erase_event) 50 { 51 assert(!f1_called); 52 assert(!f2_called); 53 assert(!g1_called); 54 assert(!g2_called); 55 assert(!g3_called); 56 assert(stream.getloc().name() == "en_US"); 57 assert(index == 5); 58 f2_called = true; 59 } 60} 61 62void g1(std::ios_base::event ev, std::ios_base& stream, int index) 63{ 64 if (ev == std::ios_base::copyfmt_event) 65 { 66 assert( f1_called); 67 assert( f2_called); 68 assert(!g1_called); 69 assert( g2_called); 70 assert( g3_called); 71 assert(stream.getloc().name() == "fr_FR"); 72 assert(index == 7); 73 g1_called = true; 74 } 75} 76 77void g2(std::ios_base::event ev, std::ios_base& stream, int index) 78{ 79 if (ev == std::ios_base::copyfmt_event) 80 { 81 assert( f1_called); 82 assert( f2_called); 83 assert(!g1_called); 84 assert(!g2_called); 85 assert( g3_called); 86 assert(stream.getloc().name() == "fr_FR"); 87 assert(index == 8); 88 g2_called = true; 89 } 90} 91 92void g3(std::ios_base::event ev, std::ios_base& stream, int index) 93{ 94 if (ev == std::ios_base::copyfmt_event) 95 { 96 assert( f1_called); 97 assert( f2_called); 98 assert(!g1_called); 99 assert(!g2_called); 100 assert(!g3_called); 101 assert(stream.getloc().name() == "fr_FR"); 102 assert(index == 9); 103 g3_called = true; 104 } 105} 106 107int main() 108{ 109 testbuf sb1; 110 std::ios ios1(&sb1); 111 ios1.flags(std::ios::boolalpha | std::ios::dec | std::ios::fixed); 112 ios1.precision(1); 113 ios1.width(11); 114 ios1.imbue(std::locale("en_US")); 115 ios1.exceptions(std::ios::failbit); 116 ios1.setstate(std::ios::eofbit); 117 ios1.register_callback(f1, 4); 118 ios1.register_callback(f2, 5); 119 ios1.iword(0) = 1; 120 ios1.iword(1) = 2; 121 ios1.iword(2) = 3; 122 char c1, c2, c3; 123 ios1.pword(0) = &c1; 124 ios1.pword(1) = &c2; 125 ios1.pword(2) = &c3; 126 ios1.tie((std::ostream*)1); 127 ios1.fill('1'); 128 129 testbuf sb2; 130 std::ios ios2(&sb2); 131 ios2.flags(std::ios::showpoint | std::ios::uppercase); 132 ios2.precision(2); 133 ios2.width(12); 134 ios2.imbue(std::locale("fr_FR")); 135 ios2.exceptions(std::ios::eofbit); 136 ios2.setstate(std::ios::goodbit); 137 ios2.register_callback(g1, 7); 138 ios2.register_callback(g2, 8); 139 ios2.register_callback(g3, 9); 140 ios2.iword(0) = 4; 141 ios2.iword(1) = 5; 142 ios2.iword(2) = 6; 143 ios2.iword(3) = 7; 144 ios2.iword(4) = 8; 145 ios2.iword(5) = 9; 146 char d1, d2; 147 ios2.pword(0) = &d1; 148 ios2.pword(1) = &d2; 149 ios2.tie((std::ostream*)2); 150 ios2.fill('2'); 151 152 ios1.copyfmt(ios1); 153 assert(!f1_called); 154 155 try 156 { 157 ios1.copyfmt(ios2); 158 assert(false); 159 } 160 catch (std::ios_base::failure&) 161 { 162 } 163 assert(ios1.rdstate() == std::ios::eofbit); 164 assert(ios1.rdbuf() == &sb1); 165 assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase)); 166 assert(ios1.precision() == 2); 167 assert(ios1.width() == 12); 168 assert(ios1.getloc().name() == "fr_FR"); 169 assert(ios1.exceptions() == std::ios::eofbit); 170 assert(f1_called); 171 assert(f2_called); 172 assert(g1_called); 173 assert(g2_called); 174 assert(g3_called); 175 assert(ios1.iword(0) == 4); 176 assert(ios1.iword(1) == 5); 177 assert(ios1.iword(2) == 6); 178 assert(ios1.iword(3) == 7); 179 assert(ios1.iword(4) == 8); 180 assert(ios1.iword(5) == 9); 181 assert(ios1.pword(0) == &d1); 182 assert(ios1.pword(1) == &d2); 183 assert(ios1.tie() == (std::ostream*)2); 184 assert(ios1.fill() == '2'); 185} 186