swap.pass.cpp revision c0d0cbad9ed434267a7af9531bdeeae52eb6d706
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <ios> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class charT, class traits> class basic_ios 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// void move(basic_ios&& rhs); 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <ios> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <streambuf> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 20c0d0cbad9ed434267a7af9531bdeeae52eb6d706Howard Hinnant#include "../../../../platform_support.h" // locale name macros 21c0d0cbad9ed434267a7af9531bdeeae52eb6d706Howard Hinnant 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct testbuf 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant : public std::streambuf 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantstruct testios 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant : public std::ios 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testios(std::streambuf* p) : std::ios(p) {} 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant void swap(std::ios& x) {std::ios::swap(x);} 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantbool f1_called = false; 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantbool f2_called = false; 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantbool g1_called = false; 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantbool g2_called = false; 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantbool g3_called = false; 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid f1(std::ios_base::event ev, std::ios_base& stream, int index) 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(index == 4); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant f1_called = true; 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid f2(std::ios_base::event ev, std::ios_base& stream, int index) 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(index == 5); 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant f2_called = true; 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid g1(std::ios_base::event ev, std::ios_base& stream, int index) 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(index == 7); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant g1_called = true; 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid g2(std::ios_base::event ev, std::ios_base& stream, int index) 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(index == 8); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant g2_called = true; 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantvoid g3(std::ios_base::event ev, std::ios_base& stream, int index) 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(index == 9); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant g3_called = true; 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf sb1; 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testios ios1(&sb1); 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.flags(std::ios::boolalpha | std::ios::dec | std::ios::fixed); 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.precision(1); 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.width(11); 78c0d0cbad9ed434267a7af9531bdeeae52eb6d706Howard Hinnant ios1.imbue(std::locale(LOCALE_en_US_UTF_8)); 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.exceptions(std::ios::failbit); 80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.setstate(std::ios::eofbit); 81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.register_callback(f1, 4); 82bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.register_callback(f2, 5); 83bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.iword(0) = 1; 84bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.iword(1) = 2; 85bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.iword(2) = 3; 86bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant char c1, c2, c3; 87bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.pword(0) = &c1; 88bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.pword(1) = &c2; 89bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.pword(2) = &c3; 90bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.tie((std::ostream*)1); 91bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.fill('1'); 92bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 93bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testbuf sb2; 94bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant testios ios2(&sb2); 95bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.flags(std::ios::showpoint | std::ios::uppercase); 96bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.precision(2); 97bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.width(12); 98c0d0cbad9ed434267a7af9531bdeeae52eb6d706Howard Hinnant ios2.imbue(std::locale(LOCALE_fr_FR_UTF_8)); 99bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.exceptions(std::ios::eofbit); 100bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.setstate(std::ios::goodbit); 101bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.register_callback(g1, 7); 102bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.register_callback(g2, 8); 103bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.register_callback(g3, 9); 104bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.iword(0) = 4; 105bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.iword(1) = 5; 106bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.iword(2) = 6; 107bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.iword(3) = 7; 108bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.iword(4) = 8; 109bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.iword(5) = 9; 110bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant char d1, d2; 111bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.pword(0) = &d1; 112bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.pword(1) = &d2; 113bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.tie((std::ostream*)2); 114bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.fill('2'); 115bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 116bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.swap(ios2); 117bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 118bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.rdstate() == std::ios::goodbit); 119bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.rdbuf() == &sb1); 120bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase)); 121bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.precision() == 2); 122bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.width() == 12); 123c0d0cbad9ed434267a7af9531bdeeae52eb6d706Howard Hinnant assert(ios1.getloc().name() == LOCALE_fr_FR_UTF_8); 124bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.exceptions() == std::ios::eofbit); 125bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!f1_called); 126bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!f2_called); 127bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!g1_called); 128bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!g2_called); 129bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!g3_called); 130bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.iword(0) == 4); 131bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.iword(1) == 5); 132bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.iword(2) == 6); 133bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.iword(3) == 7); 134bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.iword(4) == 8); 135bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.iword(5) == 9); 136bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.pword(0) == &d1); 137bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.pword(1) == &d2); 138bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.tie() == (std::ostream*)2); 139bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios1.fill() == '2'); 140bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios1.imbue(std::locale("C")); 141bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!f1_called); 142bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(!f2_called); 143bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(g1_called); 144bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(g2_called); 145bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(g3_called); 146bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 147bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.rdstate() == std::ios::eofbit); 148bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.rdbuf() == &sb2); 149bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.flags() == (std::ios::boolalpha | std::ios::dec | std::ios::fixed)); 150bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.precision() == 1); 151bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.width() == 11); 152c0d0cbad9ed434267a7af9531bdeeae52eb6d706Howard Hinnant assert(ios2.getloc().name() == LOCALE_en_US_UTF_8); 153bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.exceptions() == std::ios::failbit); 154bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.iword(0) == 1); 155bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.iword(1) == 2); 156bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.iword(2) == 3); 157bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.pword(0) == &c1); 158bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.pword(1) == &c2); 159bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.pword(2) == &c3); 160bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.tie() == (std::ostream*)1); 161bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(ios2.fill() == '1'); 162bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant ios2.imbue(std::locale("C")); 163bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(f1_called); 164bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(f2_called); 165bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 166