]>
git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/tuple/tuple_size.cc
e1106ce8dc8d74e67d7a1d1418efc90ad41c811c
1 // { dg-do compile { target c++11 } }
3 // Copyright (C) 2007-2016 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/>.
23 #include <testsuite_hooks.h>
30 bool test
__attribute__((unused
)) = true;
32 static_assert(tuple_size
<tuple
<>>::value
== 0, "");
33 static_assert(tuple_size
<tuple
<int>>::value
== 1, "");
34 static_assert(tuple_size
<tuple
<void>>::value
== 1, "");
35 typedef tuple
<int,const int&,void> test_tuple1
;
36 static_assert(tuple_size
<test_tuple1
>::value
== 3, "");
37 static_assert(tuple_size
<tuple
<tuple
<void>>>::value
== 1, "");
39 static_assert(tuple_size
<const tuple
<>>::value
== 0, "");
40 static_assert(tuple_size
<const tuple
<int>>::value
== 1, "");
41 static_assert(tuple_size
<const tuple
<void>>::value
== 1, "");
42 static_assert(tuple_size
<const test_tuple1
>::value
== 3, "");
43 static_assert(tuple_size
<const tuple
<tuple
<void>>>::value
== 1, "");
45 static_assert(tuple_size
<volatile tuple
<>>::value
== 0, "");
46 static_assert(tuple_size
<volatile tuple
<int>>::value
== 1, "");
47 static_assert(tuple_size
<volatile tuple
<void>>::value
== 1, "");
48 static_assert(tuple_size
<volatile test_tuple1
>::value
== 3, "");
49 static_assert(tuple_size
<volatile tuple
<tuple
<void>>>::value
== 1, "");
51 static_assert(tuple_size
<const volatile tuple
<>>::value
== 0, "");
52 static_assert(tuple_size
<const volatile tuple
<int>>::value
== 1, "");
53 static_assert(tuple_size
<const volatile tuple
<void>>::value
== 1, "");
54 static_assert(tuple_size
<const volatile test_tuple1
>::value
== 3, "");
55 static_assert(tuple_size
<const volatile tuple
<tuple
<void>>>::value
== 1,"");