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103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// REQUIRES: locale.en_US.UTF-8
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// <streambuf>
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// template <class charT, class traits = char_traits<charT> >
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// class basic_streambuf;
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// void swap(basic_streambuf& rhs);
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#include <streambuf>
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#include <cassert>
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#include "platform_support.h" // locale name macros
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template <class CharT>
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struct test
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: public std::basic_streambuf<CharT>
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{
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typedef std::basic_streambuf<CharT> base;
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test() {}
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void swap(test& t)
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{
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test old_this(*this);
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test old_that(t);
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base::swap(t);
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assert(this->eback() == old_that.eback());
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assert(this->gptr() == old_that.gptr());
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assert(this->egptr() == old_that.egptr());
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assert(this->pbase() == old_that.pbase());
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assert(this->pptr() == old_that.pptr());
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assert(this->epptr() == old_that.epptr());
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assert(this->getloc() == old_that.getloc());
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assert(t.eback() == old_this.eback());
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assert(t.gptr() == old_this.gptr());
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assert(t.egptr() == old_this.egptr());
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assert(t.pbase() == old_this.pbase());
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assert(t.pptr() == old_this.pptr());
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assert(t.epptr() == old_this.epptr());
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assert(t.getloc() == old_this.getloc());
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}
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void setg(CharT* gbeg, CharT* gnext, CharT* gend)
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{
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base::setg(gbeg, gnext, gend);
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}
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void setp(CharT* pbeg, CharT* pend)
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{
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base::setp(pbeg, pend);
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}
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};
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int main()
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{
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{
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test<char> t;
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test<char> t2;
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t2.swap(t);
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}
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{
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test<wchar_t> t;
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test<wchar_t> t2;
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t2.swap(t);
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}
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{
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char g1, g2, g3, p1, p3;
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test<char> t;
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t.setg(&g1, &g2, &g3);
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t.setp(&p1, &p3);
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test<char> t2;
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t2.swap(t);
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}
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{
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wchar_t g1, g2, g3, p1, p3;
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test<wchar_t> t;
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t.setg(&g1, &g2, &g3);
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t.setp(&p1, &p3);
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test<wchar_t> t2;
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t2.swap(t);
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}
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std::locale::global(std::locale(LOCALE_en_US_UTF_8));
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{
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test<char> t;
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test<char> t2;
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t2.swap(t);
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}
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{
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test<wchar_t> t;
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test<wchar_t> t2;
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t2.swap(t);
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}
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}
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