bc8d3f97eb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <istream>
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// template <class charT, class traits = char_traits<charT> >
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// class basic_iostream;
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// void swap(basic_iostream& rhs);
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#include <istream>
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#include <cassert>
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template <class CharT>
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struct testbuf
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: public std::basic_streambuf<CharT>
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{
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testbuf() {}
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};
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template <class CharT>
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struct test_iostream
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: public std::basic_iostream<CharT>
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{
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typedef std::basic_iostream<CharT> base;
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test_iostream(testbuf<CharT>* sb) : base(sb) {}
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void swap(test_iostream& s) {base::swap(s);}
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};
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int main()
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{
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{
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testbuf<char> sb1;
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testbuf<char> sb2;
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test_iostream<char> is1(&sb1);
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test_iostream<char> is2(&sb2);
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is1.swap(is2);
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assert(is1.rdbuf() == &sb1);
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assert(is1.tie() == 0);
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assert(is1.fill() == ' ');
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assert(is1.rdstate() == is1.goodbit);
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assert(is1.exceptions() == is1.goodbit);
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assert(is1.flags() == (is1.skipws | is1.dec));
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assert(is1.precision() == 6);
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assert(is1.getloc().name() == "C");
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assert(is2.rdbuf() == &sb2);
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assert(is2.tie() == 0);
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assert(is2.fill() == ' ');
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assert(is2.rdstate() == is2.goodbit);
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assert(is2.exceptions() == is2.goodbit);
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assert(is2.flags() == (is2.skipws | is2.dec));
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assert(is2.precision() == 6);
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assert(is2.getloc().name() == "C");
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}
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{
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testbuf<wchar_t> sb1;
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testbuf<wchar_t> sb2;
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test_iostream<wchar_t> is1(&sb1);
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test_iostream<wchar_t> is2(&sb2);
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is1.swap(is2);
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assert(is1.rdbuf() == &sb1);
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assert(is1.tie() == 0);
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assert(is1.fill() == ' ');
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assert(is1.rdstate() == is1.goodbit);
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assert(is1.exceptions() == is1.goodbit);
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assert(is1.flags() == (is1.skipws | is1.dec));
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assert(is1.precision() == 6);
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assert(is1.getloc().name() == "C");
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assert(is2.rdbuf() == &sb2);
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assert(is2.tie() == 0);
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assert(is2.fill() == ' ');
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assert(is2.rdstate() == is2.goodbit);
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assert(is2.exceptions() == is2.goodbit);
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assert(is2.flags() == (is2.skipws | is2.dec));
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assert(is2.precision() == 6);
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assert(is2.getloc().name() == "C");
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}
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}
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