f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
912 B
C++
35 lines
912 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <ios>
|
|
|
|
// template <class charT, class traits> class basic_ios
|
|
|
|
// basic_streambuf<charT,traits>* rdbuf(basic_streambuf<charT,traits>* sb);
|
|
|
|
#include <ios>
|
|
#include <streambuf>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
std::ios ios(0);
|
|
assert(ios.rdbuf() == 0);
|
|
assert(!ios.good());
|
|
std::streambuf* sb = (std::streambuf*)1;
|
|
std::streambuf* sb2 = ios.rdbuf(sb);
|
|
assert(sb2 == 0);
|
|
assert(ios.rdbuf() == sb);
|
|
assert(ios.good());
|
|
sb2 = ios.rdbuf(0);
|
|
assert(sb2 == (std::streambuf*)1);
|
|
assert(ios.rdbuf() == 0);
|
|
assert(ios.bad());
|
|
}
|