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1 | // { dg-do run { target c++11 } } |
2 | ||
3 | // Copyright (C) 2017 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 | // 23.2.2.4 list operations [lib.list.ops] | |
21 | ||
e5dcfacf | 22 | #include <list> |
881191e8 | 23 | #include <testsuite_hooks.h> |
e5dcfacf VV |
24 | |
25 | struct ThrowingComparator | |
26 | { | |
881191e8 JW |
27 | ThrowingComparator(unsigned n) : throw_after(n), count(0) { } |
28 | unsigned int throw_after; | |
29 | unsigned int count; | |
e5dcfacf VV |
30 | bool operator()(int, int) { |
31 | if (++count >= throw_after) { | |
32 | throw 666; | |
33 | } | |
881191e8 | 34 | return false; |
e5dcfacf VV |
35 | } |
36 | }; | |
37 | ||
38 | struct X | |
39 | { | |
40 | X() = default; | |
41 | X(int) {} | |
42 | }; | |
43 | ||
44 | unsigned int throw_after_X = 0; | |
45 | unsigned int count_X = 0; | |
46 | ||
47 | bool operator<(const X&, const X&) { | |
48 | if (++count_X >= throw_after_X) { | |
49 | throw 666; | |
50 | } | |
51 | return true; | |
52 | } | |
53 | ||
54 | ||
55 | int main() | |
56 | { | |
57 | std::list<int> a{1, 2, 3, 4}; | |
58 | std::list<int> b{5, 6, 7, 8, 9, 10, 11, 12}; | |
59 | try { | |
53426b63 | 60 | a.merge(b, ThrowingComparator{4}); |
e5dcfacf VV |
61 | } catch (...) { |
62 | } | |
53426b63 VV |
63 | VERIFY(a.size() == std::distance(a.begin(), a.end()) && |
64 | b.size() == std::distance(b.begin(), b.end())); | |
e5dcfacf VV |
65 | std::list<X> ax{1, 2, 3, 4}; |
66 | std::list<X> bx{5, 6, 7, 8, 9, 10, 11, 12}; | |
53426b63 | 67 | throw_after_X = 4; |
e5dcfacf VV |
68 | try { |
69 | ax.merge(bx); | |
70 | } catch (...) { | |
71 | } | |
53426b63 VV |
72 | VERIFY(ax.size() == std::distance(ax.begin(), ax.end()) && |
73 | bx.size() == std::distance(bx.begin(), bx.end())); | |
e5dcfacf VV |
74 | std::list<int> ay{5, 6, 7, 8, 9, 10, 11, 12}; |
75 | try { | |
76 | ay.sort(ThrowingComparator{5}); | |
77 | } catch (...) { | |
78 | } | |
79 | VERIFY(ay.size() == 8); | |
80 | std::list<X> az{5, 6, 7, 8, 9, 10, 11, 12}; | |
81 | throw_after_X = 5; | |
82 | try { | |
83 | az.sort(); | |
84 | } catch (...) { | |
85 | } | |
86 | VERIFY(az.size() == 8); | |
87 | } |