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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/23_containers/map/allocator/noexcept.cc
1 // Copyright (C) 2013-2022 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
18 // { dg-do compile { target c++11 } }
21 #include <testsuite_allocator.h>
25 bool operator<(T l
, T r
) { return l
.i
< r
.i
; }
27 using Cmp
= std::less
<T
>;
29 struct CmpThrow
: Cmp
{ };
30 void swap(CmpThrow
&, CmpThrow
&) noexcept(false) { }
34 using __gnu_test::propagating_allocator
;
38 typedef std::allocator
<std::pair
<const T
, U
>> alloc_type
;
39 typedef std::map
<T
, U
, Cmp
, alloc_type
> test_type
;
42 // this is a GNU extension for std::allocator
43 static_assert( noexcept( v1
= std::move(v2
) ), "Move assign cannot throw" );
44 static_assert( noexcept( v1
.swap(v2
) ), "Swap cannot throw" );
49 typedef std::allocator
<std::pair
<const T
, U
>> alloc_type
;
50 typedef std::map
<T
, U
, CmpThrow
, alloc_type
> test_type
;
53 static_assert( noexcept( v1
= std::move(v2
) ), "Move assign cannot throw" );
54 static_assert( !noexcept( v1
.swap(v2
) ), "Swap can throw" );
59 typedef propagating_allocator
<std::pair
<const T
, U
>, false> alloc_type
;
60 typedef std::map
<T
, U
, Cmp
, alloc_type
> test_type
;
61 test_type
v1(alloc_type(1));
62 test_type
v2(alloc_type(2));
63 static_assert( !noexcept( v1
= std::move(v2
) ), "Move assign can throw" );
64 static_assert( noexcept( v1
.swap(v2
) ), "Swap cannot throw" );
69 typedef propagating_allocator
<std::pair
<const T
, U
>, true> alloc_type
;
70 typedef std::map
<T
, U
, Cmp
, alloc_type
> test_type
;
71 test_type
v1(alloc_type(1));
72 test_type
v2(alloc_type(2));
73 static_assert( noexcept( v1
= std::move(v2
) ), "Move assign cannot throw" );
74 static_assert( noexcept( v1
.swap(v2
) ), "Swap cannot throw" );