cxx/test/utilities/function.objects/logical.operations/logical_not.pass.cpp
2013-07-29 14:21:53 +00:00

34 lines
825 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.
//
//===----------------------------------------------------------------------===//
// <functional>
// logical_not
#include <functional>
#include <type_traits>
#include <cassert>
int main()
{
typedef std::logical_not<int> F;
const F f = F();
static_assert((std::is_base_of<std::unary_function<int, bool>, F>::value), "");
assert(!f(36));
assert(f(0));
#if _LIBCPP_STD_VER > 11
typedef std::logical_not<> F2;
const F2 f2 = F2();
assert(!f2(36));
assert( f2(0));
assert(!f2(36L));
assert( f2(0L));
#endif
}