1 // { dg-do run { target c++11 } }
2
3 // Copyright (C) 2012-2018 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 //
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15 //
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
19
20 #include <vector>
21 #include <set>
22 #include <testsuite_hooks.h>
23
24 class PathPoint
25 {
26 public:
PathPoint(char t,const std::vector<double> & c)27 PathPoint(char t, const std::vector<double>& c)
28 : type(t), coords(c) { }
PathPoint(char t,std::vector<double> && c)29 PathPoint(char t, std::vector<double>&& c)
30 : type(t), coords(std::move(c)) { }
getType() const31 char getType() const { return type; }
getCoords() const32 const std::vector<double>& getCoords() const { return coords; }
33 private:
34 char type;
35 std::vector<double> coords;
36 };
37
38 struct PathPointLess
39 {
operator ()PathPointLess40 bool operator() (const PathPoint& __lhs, const PathPoint& __rhs) const
41 { return __lhs.getType() < __rhs.getType(); }
42 };
43
test01()44 void test01()
45 {
46 typedef std::multiset<PathPoint, PathPointLess> Mset;
47 Mset ms;
48
49 std::vector<double> coord1 = { 0.0, 1.0, 2.0 };
50
51 auto it = ms.emplace('a', coord1);
52 VERIFY( ms.size() == 1 );
53 VERIFY( it->getType() == 'a' );
54
55 coord1[0] = 3.0;
56 it = ms.emplace('a', coord1);
57 VERIFY( ms.size() == 2 );
58 VERIFY( it->getType() == 'a' );
59 VERIFY( it->getCoords()[0] == 3.0 );
60
61 it = ms.emplace_hint(ms.begin(), 'b', coord1);
62 VERIFY( it != ms.end() );
63 VERIFY( it->getType() == 'b' );
64 VERIFY( it->getCoords()[0] == 3.0 );
65
66 double *px = &coord1[0];
67 it = ms.emplace('c', std::move(coord1));
68 VERIFY( ms.size() == 4 );
69 VERIFY( it->getType() == 'c' );
70 VERIFY( &(it->getCoords()[0]) == px );
71 }
72
main()73 int main()
74 {
75 test01();
76 return 0;
77 }
78