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99dee823 | 1 | // Copyright (C) 2020-2021 Free Software Foundation, Inc. |
bc464641 PP |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-options "-std=gnu++2a" } | |
19 | // { dg-do run { target c++2a } } | |
20 | ||
21 | #include <algorithm> | |
22 | #include <testsuite_hooks.h> | |
23 | #include <testsuite_iterators.h> | |
24 | ||
25 | using __gnu_test::test_container; | |
26 | using __gnu_test::test_range; | |
27 | using __gnu_test::input_iterator_wrapper; | |
28 | using __gnu_test::output_iterator_wrapper; | |
29 | using __gnu_test::forward_iterator_wrapper; | |
30 | ||
31 | namespace ranges = std::ranges; | |
32 | ||
33 | void | |
34 | test01() | |
35 | { | |
36 | { | |
37 | int x[] = {1,2,3,4,5,6,7,8,9,10,11}; | |
38 | int y[5], z[6]; | |
39 | test_container<int, forward_iterator_wrapper> cx(x); | |
40 | test_container<int, forward_iterator_wrapper> cy(y), cz(z); | |
41 | auto pred = [] (int a) { return a%2==0; }; | |
42 | auto [in,out_true,out_false] | |
43 | = ranges::partition_copy(cx, cy.begin(), cz.begin(), pred); | |
44 | VERIFY( in.ptr == x+11 ); | |
45 | VERIFY( out_true.ptr == y+5 ); | |
46 | VERIFY( out_false.ptr == z+6 ); | |
47 | VERIFY( ranges::all_of(cy, pred) ); | |
48 | VERIFY( ranges::none_of(cz, pred) ); | |
49 | } | |
50 | ||
51 | { | |
52 | int x[] = {1,2,3,4,5,6,7,8,9,10,11}; | |
53 | int y[6], z[5]; | |
54 | test_range<int, input_iterator_wrapper> cx(x); | |
55 | test_range<int, output_iterator_wrapper> cy(y), cz(z); | |
56 | auto pred = [] (int a) { return a%2==0; }; | |
57 | auto proj = [] (int a) { return a+1; }; | |
58 | auto [in,out_true,out_false] | |
59 | = ranges::partition_copy(cx, cy.begin(), cz.begin(), pred, proj); | |
60 | VERIFY( in.ptr == x+11 ); | |
61 | VERIFY( out_true.ptr == y+6 ); | |
62 | VERIFY( out_false.ptr == z+5 ); | |
63 | VERIFY( ranges::none_of(y, pred) ); | |
64 | VERIFY( ranges::all_of(z, pred) ); | |
65 | } | |
66 | } | |
67 | ||
68 | constexpr bool | |
69 | test02() | |
70 | { | |
71 | int x[] = {1,2,3,4,5,6,7,8,9,10}; | |
72 | auto range = ranges::partition(x, x+9, [] (int a) { return a < 100; }); | |
73 | return (range.begin() == x+9 && range.end() == x+9); | |
74 | } | |
75 | ||
76 | int | |
77 | main() | |
78 | { | |
79 | test01(); | |
80 | static_assert(test02()); | |
81 | } |