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1 // Copyright (C) 2013-2016 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 } }
20 #include <unordered_set>
21 #include <testsuite_allocator.h>
27 std::size_t operator()(const T t
) const noexcept
33 bool operator()(const T
& lhs
, const T
& rhs
) const noexcept
34 { return lhs
.i
== rhs
.i
; }
37 // Versions of the function objects without nothrow swap.
38 struct hash_t
: hash
{ };
39 void swap(hash_t
&, hash_t
&) noexcept(false) { }
40 struct equal_to_t
: equal_to
{ };
41 void swap(equal_to_t
&, equal_to_t
&) noexcept(false) { }
43 using __gnu_test::propagating_allocator
;
47 typedef std::allocator
<T
> alloc_type
;
48 typedef std::unordered_set
<T
, hash
, equal_to
, alloc_type
> test_type
;
51 // this is a GNU extension for std::allocator
52 static_assert( noexcept( v1
= std::move(v2
) ), "Move assign cannot throw" );
53 static_assert( noexcept( v1
.swap(v2
) ), "Swap cannot throw" );
58 typedef std::allocator
<T
> alloc_type
;
59 typedef std::unordered_set
<T
, hash_t
, equal_to
, alloc_type
> test_type
;
62 static_assert( noexcept( v1
= std::move(v2
) ), "Move assign cannot throw" );
63 static_assert( !noexcept( v1
.swap(v2
) ), "Swap can throw" );
68 typedef std::allocator
<T
> alloc_type
;
69 typedef std::unordered_set
<T
, hash
, equal_to_t
, alloc_type
> test_type
;
72 static_assert( noexcept( v1
= std::move(v2
) ), "Move assign cannot throw" );
73 static_assert( !noexcept( v1
.swap(v2
) ), "Swap can throw" );
78 typedef propagating_allocator
<T
, false> alloc_type
;
79 typedef std::unordered_set
<T
, hash
, equal_to
, alloc_type
> test_type
;
80 test_type
v1(alloc_type(1));
81 test_type
v2(alloc_type(2));
82 static_assert( !noexcept( v1
= std::move(v2
) ), "Move assign can throw" );
83 static_assert( noexcept( v1
.swap(v2
) ), "Swap cannot throw" );
88 typedef propagating_allocator
<T
, true> alloc_type
;
89 typedef std::unordered_set
<T
, hash
, equal_to
, alloc_type
> test_type
;
90 test_type
v1(alloc_type(1));
91 test_type
v2(alloc_type(2));
92 static_assert( noexcept( v1
= std::move(v2
) ), "Move assign cannot throw" );
93 static_assert( noexcept( v1
.swap(v2
) ), "Swap cannot throw" );
98 typedef std::unordered_set
<int> test_type
;
99 static_assert( noexcept( test_type() ), "Default constructor does not throw" );
100 static_assert( noexcept( test_type(test_type()) ), "Move constructor does not throw" );