llvm-project/libcxx/test/std/utilities/function.objects/logical.operations/logical_or.pass.cpp

50 lines
1.3 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.
//
//===----------------------------------------------------------------------===//
// <functional>
// logical_or
#include <functional>
#include <type_traits>
#include <cassert>
int main()
{
typedef std::logical_or<int> F;
const F f = F();
static_assert((std::is_same<int, F::first_argument_type>::value), "" );
static_assert((std::is_same<int, F::second_argument_type>::value), "" );
static_assert((std::is_same<bool, F::result_type>::value), "" );
assert(f(36, 36));
assert(f(36, 0));
assert(f(0, 36));
assert(!f(0, 0));
#if _LIBCPP_STD_VER > 11
typedef std::logical_or<> F2;
const F2 f2 = F2();
assert( f2(36, 36));
assert( f2(36, 36L));
assert( f2(36L, 36));
assert( f2(36, 0));
assert( f2(0, 36));
assert( f2(36, 0L));
assert( f2(0, 36L));
assert(!f2(0, 0));
assert(!f2(0, 0L));
assert(!f2(0L, 0));
constexpr bool foo = std::logical_or<int> () (36, 36);
static_assert ( foo, "" );
constexpr bool bar = std::logical_or<> () (36.0, 36);
static_assert ( bar, "" );
#endif
}