f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <ostream>
|
|
|
|
// template <class charT, class traits = char_traits<charT> >
|
|
// class basic_ostream;
|
|
|
|
// void swap(basic_ostream& rhs);
|
|
|
|
#include <ostream>
|
|
#include <cassert>
|
|
|
|
template <class CharT>
|
|
struct testbuf
|
|
: public std::basic_streambuf<CharT>
|
|
{
|
|
testbuf() {}
|
|
};
|
|
|
|
template <class CharT>
|
|
struct test_ostream
|
|
: public std::basic_ostream<CharT>
|
|
{
|
|
typedef std::basic_ostream<CharT> base;
|
|
test_ostream(testbuf<CharT>* sb) : base(sb) {}
|
|
|
|
void swap(test_ostream& s) {base::swap(s);}
|
|
};
|
|
|
|
int main()
|
|
{
|
|
{
|
|
testbuf<char> sb1;
|
|
testbuf<char> sb2;
|
|
test_ostream<char> os1(&sb1);
|
|
test_ostream<char> os2(&sb2);
|
|
os1.swap(os2);
|
|
assert(os1.rdbuf() == &sb1);
|
|
assert(os1.tie() == 0);
|
|
assert(os1.fill() == ' ');
|
|
assert(os1.rdstate() == os1.goodbit);
|
|
assert(os1.exceptions() == os1.goodbit);
|
|
assert(os1.flags() == (os1.skipws | os1.dec));
|
|
assert(os1.precision() == 6);
|
|
assert(os1.getloc().name() == "C");
|
|
assert(os2.rdbuf() == &sb2);
|
|
assert(os2.tie() == 0);
|
|
assert(os2.fill() == ' ');
|
|
assert(os2.rdstate() == os2.goodbit);
|
|
assert(os2.exceptions() == os2.goodbit);
|
|
assert(os2.flags() == (os2.skipws | os2.dec));
|
|
assert(os2.precision() == 6);
|
|
assert(os2.getloc().name() == "C");
|
|
}
|
|
{
|
|
testbuf<wchar_t> sb1;
|
|
testbuf<wchar_t> sb2;
|
|
test_ostream<wchar_t> os1(&sb1);
|
|
test_ostream<wchar_t> os2(&sb2);
|
|
os1.swap(os2);
|
|
assert(os1.rdbuf() == &sb1);
|
|
assert(os1.tie() == 0);
|
|
assert(os1.fill() == ' ');
|
|
assert(os1.rdstate() == os1.goodbit);
|
|
assert(os1.exceptions() == os1.goodbit);
|
|
assert(os1.flags() == (os1.skipws | os1.dec));
|
|
assert(os1.precision() == 6);
|
|
assert(os1.getloc().name() == "C");
|
|
assert(os2.rdbuf() == &sb2);
|
|
assert(os2.tie() == 0);
|
|
assert(os2.fill() == ' ');
|
|
assert(os2.rdstate() == os2.goodbit);
|
|
assert(os2.exceptions() == os2.goodbit);
|
|
assert(os2.flags() == (os2.skipws | os2.dec));
|
|
assert(os2.precision() == 6);
|
|
assert(os2.getloc().name() == "C");
|
|
}
|
|
}
|