35 lines
992 B
C++
35 lines
992 B
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.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
// type_traits
|
||
|
|
|
||
|
|
// bool_constant
|
||
|
|
|
||
|
|
#include <type_traits>
|
||
|
|
#include <cassert>
|
||
|
|
|
||
|
|
#include "test_macros.h"
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
#if TEST_STD_VER > 14
|
||
|
|
typedef std::bool_constant<true> _t;
|
||
|
|
static_assert(_t::value, "");
|
||
|
|
static_assert((std::is_same<_t::value_type, bool>::value), "");
|
||
|
|
static_assert((std::is_same<_t::type, _t>::value), "");
|
||
|
|
static_assert((_t() == true), "");
|
||
|
|
|
||
|
|
typedef std::bool_constant<false> _f;
|
||
|
|
static_assert(!_f::value, "");
|
||
|
|
static_assert((std::is_same<_f::value_type, bool>::value), "");
|
||
|
|
static_assert((std::is_same<_f::type, _f>::value), "");
|
||
|
|
static_assert((_f() == false), "");
|
||
|
|
#endif
|
||
|
|
}
|