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libcxx/test/std/input.output/string.streams/ostringstream/ostringstream.cons/default.pass.cpp

47 lines
1.2 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <sstream>
// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
// class basic_ostringstream
// explicit basic_ostringstream(ios_base::openmode which = ios_base::in);
#include <sstream>
#include <cassert>
int main()
{
{
std::ostringstream ss;
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == "");
}
{
std::ostringstream ss(std::ios_base::out);
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == "");
}
{
std::wostringstream ss;
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == L"");
}
{
std::wostringstream ss(std::ios_base::out);
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == L"");
}
}