1 // Copyright (C) 2015-2019 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 run { target c++11 } }
19 
20 #include <memory>
21 #include <testsuite_hooks.h>
22 
23 struct X
24 {
25   X() = default;
26   X(X const &) = default;
27   X& operator=(X const&) = delete;
28 };
29 
30 static_assert(__is_trivial(X), "X is trivial");
31 
32 int constructed = 0;
33 int assigned = 0;
34 
35 struct Y
36 {
37   Y() = default;
38   Y(Y const &) = default;
39   Y& operator=(Y const&) = default;
40 
YY41   Y(const X&) { ++constructed; }
operator =Y42   Y& operator=(const X&)& { ++assigned; return *this; }
43   Y& operator=(const X&)&& = delete;
44   Y& operator=(X&&) = delete;
45 };
46 
47 static_assert(__is_trivial(Y), "Y is trivial");
48 
49 void
test01()50 test01()
51 {
52   X a[100];
53   Y b[100];
54 
55   std::uninitialized_copy(a, a+10, b);
56 
57   VERIFY(constructed == 0);
58   VERIFY(assigned == 10);
59 }
60 
61 int
main()62 main()
63 {
64   test01();
65 }
66