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52066eae | 1 | // { dg-do run { target c++11 } } |
f5783e34 | 2 | |
7adcbafe | 3 | // Copyright (C) 2005-2022 Free Software Foundation, Inc. |
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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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
2328b1de | 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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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 | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 25.2.12 [lib.alg.partitions] Partitions. | |
21 | ||
22 | #undef _GLIBCXX_CONCEPT_CHECKS | |
23 | ||
24 | #include <algorithm> | |
25 | #include <functional> | |
26 | #include <testsuite_hooks.h> | |
27 | #include <testsuite_rvalref.h> | |
28 | #include <testsuite_iterators.h> | |
29 | ||
30 | using __gnu_test::test_container; | |
31 | using __gnu_test::forward_iterator_wrapper; | |
32 | using __gnu_test::bidirectional_iterator_wrapper; | |
33 | using __gnu_test::rvalstruct; | |
34 | ||
35 | typedef test_container<rvalstruct, forward_iterator_wrapper> Fcontainer; | |
36 | typedef test_container<rvalstruct, bidirectional_iterator_wrapper> Bcontainer; | |
37 | ||
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38 | const int A[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17}; |
39 | const int B[] = {2, 4, 6, 8, 10, 12, 14, 16, 1, 3, 5, 7, 9, 11, 13, 15, 17}; | |
40 | const int N = sizeof(A) / sizeof(int); | |
41 | ||
42 | struct Pred | |
43 | { | |
44 | bool | |
45 | operator()(const rvalstruct& x) const | |
46 | { return (x.val % 2) == 0; } | |
47 | }; | |
48 | ||
49 | // 25.2.12 partition() | |
50 | void | |
51 | test01() | |
52 | { | |
53 | using std::partition; | |
54 | ||
55 | rvalstruct farray[N]; | |
56 | rvalstruct barray[N]; | |
57 | ||
58 | std::copy(A, A + N, farray); | |
59 | std::copy(A, A + N, barray); | |
60 | ||
61 | Fcontainer fcon(farray, farray + N); | |
62 | Bcontainer bcon(barray, barray + N); | |
63 | ||
64 | Pred pred; | |
65 | ||
66 | VERIFY(partition(fcon.begin(), fcon.end(), pred).ptr - farray == N/2); | |
67 | for (const rvalstruct* i = farray; i < farray+N/2; ++i) | |
68 | VERIFY(pred(*i)); | |
69 | ||
70 | for (const rvalstruct* i = farray+N/2; i < farray + N; ++i) | |
71 | VERIFY(!pred(*i)); | |
72 | ||
73 | VERIFY(partition(bcon.begin(), bcon.end(), pred).ptr - barray == N/2); | |
74 | ||
75 | for (const rvalstruct* i = barray; i < barray+N/2; ++i) | |
76 | VERIFY(pred(*i)); | |
77 | for (const rvalstruct* i = barray+N/2; i < barray + N; ++i) | |
78 | VERIFY(!pred(*i)); | |
79 | } | |
80 | ||
81 | int | |
82 | main() | |
83 | { | |
84 | test01(); | |
85 | return 0; | |
86 | } |