b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
68 lines
1.6 KiB
C++
68 lines
1.6 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <locale>
|
|
|
|
// wbuffer_convert<Codecvt, Elem, Tr>
|
|
|
|
// wbuffer_convert(streambuf *bytebuf = 0, Codecvt *pcvt = new Codecvt,
|
|
// state_type state = state_type());
|
|
|
|
#include <locale>
|
|
#include <codecvt>
|
|
#include <sstream>
|
|
#include <cassert>
|
|
#include <new>
|
|
|
|
int new_called = 0;
|
|
|
|
void* operator new(std::size_t s) throw(std::bad_alloc)
|
|
{
|
|
++new_called;
|
|
return std::malloc(s);
|
|
}
|
|
|
|
void operator delete(void* p) throw()
|
|
{
|
|
--new_called;
|
|
std::free(p);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;
|
|
{
|
|
B b;
|
|
assert(b.rdbuf() == nullptr);
|
|
assert(new_called != 0);
|
|
}
|
|
assert(new_called == 0);
|
|
{
|
|
std::stringstream s;
|
|
B b(s.rdbuf());
|
|
assert(b.rdbuf() == s.rdbuf());
|
|
assert(new_called != 0);
|
|
}
|
|
assert(new_called == 0);
|
|
{
|
|
std::stringstream s;
|
|
B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>);
|
|
assert(b.rdbuf() == s.rdbuf());
|
|
assert(new_called != 0);
|
|
}
|
|
assert(new_called == 0);
|
|
{
|
|
std::stringstream s;
|
|
B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>, std::mbstate_t());
|
|
assert(b.rdbuf() == s.rdbuf());
|
|
assert(new_called != 0);
|
|
}
|
|
assert(new_called == 0);
|
|
}
|