44         assert(m.begin()->second == 1.5);  in main()
46         assert(std::next(m.begin())->second == 2.5);  in main()
48         assert(std::next(m.begin(), 2)->second == 3.5);  in main()
50         assert(std::next(m.begin(), 3)->second == 4.5);  in main()
52         assert(std::next(m.begin(), 4)->second == 5.5);  in main()
54         assert(std::next(m.begin(), 5)->second == 6.5);  in main()
56         assert(std::next(m.begin(), 6)->second == 7.5);  in main()
58         assert(std::next(m.begin(), 7)->second == 8.5);  in main()
64         assert(m.begin()->second == 1.5);  in main()
66         assert(std::next(m.begin())->second == 2.5);  in main()
68         assert(std::next(m.begin(), 2)->second == 3.5);  in main()
70         assert(std::next(m.begin(), 3)->second == 5.5);  in main()
72         assert(std::next(m.begin(), 4)->second == 6.5);  in main()
74         assert(std::next(m.begin(), 5)->second == 7.5);  in main()
76         assert(std::next(m.begin(), 6)->second == 8.5);  in main()
82         assert(m.begin()->second == 2.5);  in main()
84         assert(std::next(m.begin())->second == 3.5);  in main()
86         assert(std::next(m.begin(), 2)->second == 5.5);  in main()
88         assert(std::next(m.begin(), 3)->second == 6.5);  in main()
90         assert(std::next(m.begin(), 4)->second == 7.5);  in main()
92         assert(std::next(m.begin(), 5)->second == 8.5);  in main()
98         assert(m.begin()->second == 2.5);  in main()
100         assert(std::next(m.begin())->second == 3.5);  in main()
102         assert(std::next(m.begin(), 2)->second == 5.5);  in main()
104         assert(std::next(m.begin(), 3)->second == 6.5);  in main()
106         assert(std::next(m.begin(), 4)->second == 7.5);  in main()
112         assert(m.begin()->second == 2.5);  in main()
114         assert(std::next(m.begin())->second == 5.5);  in main()
116         assert(std::next(m.begin(), 2)->second == 6.5);  in main()
118         assert(std::next(m.begin(), 3)->second == 7.5);  in main()
124         assert(m.begin()->second == 2.5);  in main()
126         assert(std::next(m.begin())->second == 5.5);  in main()
128         assert(std::next(m.begin(), 2)->second == 7.5);  in main()
134         assert(m.begin()->second == 2.5);  in main()
136         assert(std::next(m.begin())->second == 5.5);  in main()
142         assert(m.begin()->second == 5.5);  in main()
170         assert(m.begin()->second == 1.5);  in main()
172         assert(std::next(m.begin())->second == 2.5);  in main()
174         assert(std::next(m.begin(), 2)->second == 3.5);  in main()
176         assert(std::next(m.begin(), 3)->second == 4.5);  in main()
178         assert(std::next(m.begin(), 4)->second == 5.5);  in main()
180         assert(std::next(m.begin(), 5)->second == 6.5);  in main()
182         assert(std::next(m.begin(), 6)->second == 7.5);  in main()
184         assert(std::next(m.begin(), 7)->second == 8.5);  in main()
190         assert(m.begin()->second == 1.5);  in main()
192         assert(std::next(m.begin())->second == 2.5);  in main()
194         assert(std::next(m.begin(), 2)->second == 3.5);  in main()
196         assert(std::next(m.begin(), 3)->second == 5.5);  in main()
198         assert(std::next(m.begin(), 4)->second == 6.5);  in main()
200         assert(std::next(m.begin(), 5)->second == 7.5);  in main()
202         assert(std::next(m.begin(), 6)->second == 8.5);  in main()
208         assert(m.begin()->second == 2.5);  in main()
210         assert(std::next(m.begin())->second == 3.5);  in main()
212         assert(std::next(m.begin(), 2)->second == 5.5);  in main()
214         assert(std::next(m.begin(), 3)->second == 6.5);  in main()
216         assert(std::next(m.begin(), 4)->second == 7.5);  in main()
218         assert(std::next(m.begin(), 5)->second == 8.5);  in main()
224         assert(m.begin()->second == 2.5);  in main()
226         assert(std::next(m.begin())->second == 3.5);  in main()
228         assert(std::next(m.begin(), 2)->second == 5.5);  in main()
230         assert(std::next(m.begin(), 3)->second == 6.5);  in main()
232         assert(std::next(m.begin(), 4)->second == 7.5);  in main()
238         assert(m.begin()->second == 2.5);  in main()
240         assert(std::next(m.begin())->second == 5.5);  in main()
242         assert(std::next(m.begin(), 2)->second == 6.5);  in main()
244         assert(std::next(m.begin(), 3)->second == 7.5);  in main()
250         assert(m.begin()->second == 2.5);  in main()
252         assert(std::next(m.begin())->second == 5.5);  in main()
254         assert(std::next(m.begin(), 2)->second == 7.5);  in main()
260         assert(m.begin()->second == 2.5);  in main()
262         assert(std::next(m.begin())->second == 5.5);  in main()
268         assert(m.begin()->second == 5.5);  in main()