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// { dg-do compile { target c++11 } }
// Copyright (C) 2013-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <type_traits>
#include <testsuite_tr1.h>
class EmptyClassOne
{ typedef int type; };
class EmptyClassTwo
{ static int data; };
class EmptyClassThree
{ int f(); };
class NonEmptyClassOne
{ int data; };
class NonEmptyClassTwo
{
virtual int f();
virtual ~NonEmptyClassTwo();
};
void test01()
{
using std::is_empty;
using namespace __gnu_test;
// Positive tests.
static_assert(test_category<is_empty, ClassType>(true), "");
static_assert(test_category<is_empty, EmptyClassOne>(true), "");
static_assert(test_category<is_empty, EmptyClassTwo>(true), "");
static_assert(test_category<is_empty, EmptyClassThree>(true), "");
// Negative tests.
static_assert(test_category<is_empty, void>(false), "");
static_assert(test_category<is_empty, float>(false), "");
static_assert(test_category<is_empty, int[4]>(false), "");
static_assert(test_category<is_empty, int*>(false), "");
static_assert(test_category<is_empty, int&>(false), "");
static_assert(test_category<is_empty, int (ClassType::*)>(false), "");
static_assert(test_category<is_empty, EnumType>(false), "");
static_assert(test_category<is_empty, int (int)>(false), "");
static_assert(test_category<is_empty, AbstractClass>(false), "");
static_assert(test_category<is_empty, NonEmptyClassOne>(false), "");
static_assert(test_category<is_empty, NonEmptyClassTwo>(false), "");
}
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