| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| } |
