forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
1.0 KiB
C++
35 lines
1.0 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <ios>
|
|
|
|
// template <class charT, class traits> class basic_ios
|
|
|
|
// operator unspecified-bool-type() const;
|
|
|
|
#include <ios>
|
|
#include <type_traits>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
int main()
|
|
{
|
|
std::ios ios(0);
|
|
assert(static_cast<bool>(ios) == !ios.fail());
|
|
ios.setstate(std::ios::failbit);
|
|
assert(static_cast<bool>(ios) == !ios.fail());
|
|
static_assert((!std::is_convertible<std::ios, void*>::value), "");
|
|
static_assert((!std::is_convertible<std::ios, int>::value), "");
|
|
static_assert((!std::is_convertible<std::ios const&, int>::value), "");
|
|
#if TEST_STD_VER >= 11
|
|
static_assert((!std::is_convertible<std::ios, bool>::value), "");
|
|
#endif
|
|
}
|