1// Copyright (C) 2014-2015 Free Software Foundation, Inc.
2//
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)
7// any later version.
8
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.
13
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/>.
17
18// { dg-do compile }
19// { dg-options "-std=gnu++11" }
20
21#include <deque>
22#include <testsuite_allocator.h>
23
24struct T { int i; };
25
26namespace __gnu_test
27{
28  template<typename U>
29    inline void
30    swap(propagating_allocator<U, true>& l, propagating_allocator<U, true>& r)
31    noexcept(false)
32    { }
33}
34
35using __gnu_test::propagating_allocator;
36
37void test01()
38{
39  typedef std::allocator<T> alloc_type;
40  typedef std::deque<T, alloc_type> test_type;
41  test_type v1;
42  test_type v2;
43  // this is a GNU extension for std::allocator
44  // static_assert( noexcept( v1 = std::move(v2) ), "Move assign cannot throw" );
45  static_assert( noexcept( v1.swap(v2) ), "Swap cannot throw" );
46}
47
48void test02()
49{
50  typedef propagating_allocator<T, false> alloc_type;
51  typedef std::deque<T, alloc_type> test_type;
52  test_type v1(alloc_type(1));
53  test_type v2(alloc_type(2));
54  static_assert( !noexcept( v1 = std::move(v2) ), "Move assign can throw" );
55  static_assert( noexcept( v1.swap(v2) ), "Swap cannot throw" );
56}
57
58void test03()
59{
60  typedef propagating_allocator<T, true> alloc_type;
61  typedef std::deque<T, alloc_type> test_type;
62  test_type v1(alloc_type(1));
63  test_type v2(alloc_type(2));
64  // static_assert( noexcept( v1 = std::move(v2) ), "Move assign cannot throw" );
65  // noexcept spec of deque::swap depends on swap overload at top of this file
66  static_assert( !noexcept( v1.swap(v2) ), "Swap can throw" );
67}
68