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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/is_empty/value.cc
1 // { dg-do compile { target c++11 } }
3 // Copyright (C) 2013-2021 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 #include <type_traits>
21 #include <testsuite_tr1.h>
24 { typedef int type
; };
32 class NonEmptyClassOne
35 class NonEmptyClassTwo
38 virtual ~NonEmptyClassTwo();
44 using namespace __gnu_test
;
47 static_assert(test_category
<is_empty
, ClassType
>(true), "");
48 static_assert(test_category
<is_empty
, EmptyClassOne
>(true), "");
49 static_assert(test_category
<is_empty
, EmptyClassTwo
>(true), "");
50 static_assert(test_category
<is_empty
, EmptyClassThree
>(true), "");
53 static_assert(test_category
<is_empty
, void>(false), "");
54 static_assert(test_category
<is_empty
, float>(false), "");
55 static_assert(test_category
<is_empty
, int[4]>(false), "");
56 static_assert(test_category
<is_empty
, int*>(false), "");
57 static_assert(test_category
<is_empty
, int&>(false), "");
58 static_assert(test_category
<is_empty
, int (ClassType::*)>(false), "");
59 static_assert(test_category
<is_empty
, EnumType
>(false), "");
60 static_assert(test_category
<is_empty
, int (int)>(false), "");
62 static_assert(test_category
<is_empty
, AbstractClass
>(false), "");
63 static_assert(test_category
<is_empty
, NonEmptyClassOne
>(false), "");
64 static_assert(test_category
<is_empty
, NonEmptyClassTwo
>(false), "");