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1 // Copyright (C) 2013 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/>.
19 // { dg-options "-std=c++11" }
21 #include <unordered_set>
22 #include <testsuite_allocator.h>
28 std::size_t operator()(const T t
) const noexcept
34 bool operator()(const T
& lhs
, const T
& rhs
) const noexcept
35 { return lhs
.i
== rhs
.i
; }
42 swap(propagating_allocator
<U
, true>& l
, propagating_allocator
<U
, true>& r
)
47 using __gnu_test::propagating_allocator
;
51 typedef std::allocator
<T
> alloc_type
;
52 typedef std::unordered_set
<T
, hash
, equal_to
, alloc_type
> test_type
;
55 // this is a GNU extension for std::allocator
56 static_assert( noexcept( v1
= std::move(v2
) ), "Move assign cannot throw" );
57 static_assert( noexcept( v1
.swap(v2
) ), "Swap cannot throw" );
62 typedef propagating_allocator
<T
, false> alloc_type
;
63 typedef std::unordered_set
<T
, hash
, equal_to
, alloc_type
> test_type
;
64 test_type
v1(alloc_type(1));
65 test_type
v2(alloc_type(2));
66 static_assert( !noexcept( v1
= std::move(v2
) ), "Move assign can throw" );
67 static_assert( noexcept( v1
.swap(v2
) ), "Swap cannot throw" );
72 typedef propagating_allocator
<T
, true> alloc_type
;
73 typedef std::unordered_set
<T
, hash
, equal_to
, alloc_type
> test_type
;
74 test_type
v1(alloc_type(1));
75 test_type
v2(alloc_type(2));
76 static_assert( noexcept( v1
= std::move(v2
) ), "Move assign cannot throw" );
77 static_assert( !noexcept( v1
.swap(v2
) ), "Swap can throw" );