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 <utility>
21 #include <tuple>
22 #include <vector>
23 #include <map>
24 #include <testsuite_hooks.h>
25
26 class PathPoint
27 {
28 public:
PathPoint(char t,const std::vector<double> & c)29 PathPoint(char t, const std::vector<double>& c)
30 : type(t), coords(c) { }
PathPoint(char t,std::vector<double> && c)31 PathPoint(char t, std::vector<double>&& c)
32 : type(t), coords(std::move(c)) { }
getType() const33 char getType() const { return type; }
getCoords() const34 const std::vector<double>& getCoords() const { return coords; }
35 private:
36 char type;
37 std::vector<double> coords;
38 };
39
test01()40 void test01()
41 {
42 typedef std::map<char, std::vector<double>> Map;
43 Map m;
44
45 std::vector<double> coord1 = { 0.0, 1.0, 2.0 };
46
47 auto ret = m.emplace('a', coord1);
48 VERIFY( ret.second );
49 VERIFY( m.size() == 1 );
50 VERIFY( ret.first->first == 'a' );
51
52 coord1[0] = 3.0;
53 ret = m.emplace('a', coord1);
54 VERIFY( !ret.second );
55 VERIFY( m.size() == 1 );
56 VERIFY( ret.first->first == 'a' );
57 VERIFY( ret.first->second[0] == 0.0 );
58
59 auto it = m.emplace_hint(m.begin(), 'b', coord1);
60 VERIFY( it != m.end() );
61 VERIFY( it->first == 'b' );
62 VERIFY( it->second[0] == 3.0 );
63
64 double *px = &coord1[0];
65 ret = m.emplace('c', std::move(coord1));
66 VERIFY( ret.second );
67 VERIFY( ret.first->first == 'c' );
68 VERIFY( &(ret.first->second[0]) == px );
69 }
70
test02()71 void test02()
72 {
73 using namespace std;
74 typedef map<char, PathPoint> Map;
75 Map m;
76
77 vector<double> coord1 = { 0.0, 1.0, 2.0 };
78
79 auto ret = m.emplace(piecewise_construct,
80 make_tuple('a'), make_tuple('a', coord1));
81 VERIFY( ret.second );
82 VERIFY( m.size() == 1 );
83 VERIFY( ret.first->first == 'a' );
84
85 coord1[0] = 3.0;
86 ret = m.emplace(piecewise_construct,
87 make_tuple('a'), make_tuple( 'b', coord1));
88 VERIFY( !ret.second );
89 VERIFY( m.size() == 1 );
90 VERIFY( ret.first->first == 'a' );
91 VERIFY( ret.first->second.getCoords()[0] == 0.0 );
92
93 auto it = m.emplace_hint(m.begin(), piecewise_construct,
94 make_tuple('b'), make_tuple('c', coord1));
95 VERIFY( it != m.end() );
96 VERIFY( it->first == 'b' );
97 VERIFY( it->second.getCoords()[0] == 3.0 );
98
99 double *px = &coord1[0];
100 ret = m.emplace(piecewise_construct,
101 make_tuple('c'), make_tuple('d', move(coord1)));
102 VERIFY( ret.second );
103 VERIFY( ret.first->first == 'c' );
104 VERIFY( &(ret.first->second.getCoords()[0]) == px );
105 }
106
main()107 int main()
108 {
109 test01();
110 test02();
111 return 0;
112 }
113