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comparison libstdc++-v3/testsuite/20_util/optional/assignment/92878_92947.cc @ 152:2b5abeee2509

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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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145:1830386684a0 152:2b5abeee2509
1 // { dg-options "-std=gnu++2a" }
2 // { dg-do run { target c++2a } }
3
4 // Copyright (C) 2020 Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11 //
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16 //
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING3. If not see
19 // <http://www.gnu.org/licenses/>.
20
21 #include <optional>
22 #include <testsuite_hooks.h>
23
24 struct aggressive_aggregate
25 {
26 int a;
27 int b;
28 };
29
30 void test01()
31 {
32 std::optional<aggressive_aggregate> x;
33 x.emplace(1, 2);
34 VERIFY(x->a == 1);
35 VERIFY(x->b == 2);
36 x.emplace(1);
37 VERIFY(x->a == 1);
38 VERIFY(x->b == 0);
39 x.emplace();
40 VERIFY(x->a == 0);
41 VERIFY(x->b == 0);
42 }
43
44 int main()
45 {
46 test01();
47 }