| // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-options "-std=gnu++2a" } |
| // { dg-do run { target c++2a } } |
| |
| #include <algorithm> |
| #include <vector> |
| #include <testsuite_hooks.h> |
| #include <testsuite_iterators.h> |
| |
| using __gnu_test::test_container; |
| using __gnu_test::test_range; |
| using __gnu_test::bidirectional_iterator_wrapper; |
| |
| namespace ranges = std::ranges; |
| |
| void |
| test01() |
| { |
| int x[] = {1,2,3,4,5}; |
| for (int i = 0; i <= 5; i++) |
| for (int j = 0; j <= 5; j++) |
| { |
| std::vector<int> v(x, x+i); |
| v.insert(v.end(), x, x+j); |
| ranges::sort(v); |
| |
| test_range<int, bidirectional_iterator_wrapper> rz(v.data(), v.data()+i+j); |
| auto result = ranges::inplace_merge(rz, ranges::next(ranges::begin(rz), i)); |
| VERIFY( result == rz.end() ); |
| |
| VERIFY( ranges::is_sorted(rz) ); |
| } |
| } |
| |
| void |
| test02() |
| { |
| struct X { int i, j; }; |
| X x[] = { {1, 1}, {3, 4}, {5, 5}, {2, 2}, {2, 3} }; |
| auto comp = ranges::greater{}; |
| auto proj = [] (X a) { return -a.i; }; |
| ranges::inplace_merge(x, x+3, x+5, comp, proj); |
| VERIFY( ranges::is_sorted(x, {}, &X::i) ); |
| VERIFY( ranges::is_sorted(x, {}, &X::j) ); |
| } |
| |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| } |