| // Copyright (C) 2020-2021 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-do run } |
| |
| #include <algorithm> |
| #include <testsuite_hooks.h> |
| |
| void |
| test01() |
| { |
| volatile int i[] = { 0, 1, 2, 3 }; |
| volatile int j[] = { 1, 2, 3 }; |
| int k[] = { 2, 3, 4 }; |
| |
| VERIFY( std::equal(i+1, i+4, j) ); // volatile, volatile |
| VERIFY( std::equal(i+2, i+4, k) ); // volatile, unqual |
| VERIFY( ! std::equal(k, k+3, i+1) ); // unqual, volatile |
| |
| const volatile int* cj = j; |
| VERIFY( ! std::equal(cj, cj+2, cj+1) ); // const volatile, const volatile |
| VERIFY( std::equal(cj, cj+3, i+1) ); // const volatile, volatile |
| VERIFY( ! std::equal(i, i+2, cj) ); // volatile, const volatile |
| VERIFY( std::equal(cj+1, cj+3, k) ); // const volatile, unqual |
| VERIFY( ! std::equal(k, k+2, cj) ); // unqual, const volatile |
| const int* ck = k; |
| VERIFY( std::equal(ck, ck+2, i+2) ); // const, volatile |
| VERIFY( ! std::equal(i, i+3, ck) ); // volatile, const |
| VERIFY( std::equal(cj+1, cj+3, ck) ); // const volatile, const |
| VERIFY( ! std::equal(ck, ck+1, cj) ); // const, const volatile |
| |
| #if __cplusplus > 201703L |
| using std::ranges::equal; |
| VERIFY( equal(i+1, i+4, j, j+3) ); // volatile, volatile |
| VERIFY( equal(i+2, i+4, k, k+2) ); // volatile, unqual |
| VERIFY( ! equal(k, k+3, i+1, i+4) ); // unqual, volatile |
| |
| VERIFY( ! equal(cj, cj+2, cj+1, cj+3) );// const volatile, const volatile |
| VERIFY( equal(cj, cj+3, i+1, i+4) ); // const volatile, volatile |
| VERIFY( ! equal(i, i+2, cj, cj+2) ); // volatile, const volatile |
| VERIFY( equal(cj+1, cj+3, k, k+2) ); // const volatile, unqual |
| VERIFY( ! equal(k, k+2, cj, cj+2) ); // unqual, const volatile |
| |
| VERIFY( equal(ck, ck+2, i+2, i+4) ); // const, volatile |
| VERIFY( ! equal(i, i+3, ck, ck+3) ); // volatile, const |
| VERIFY( equal(cj+1, cj+3, ck, ck+2) ); // const volatile, const |
| VERIFY( ! equal(ck, ck+1, cj, cj+1) ); // const, const volatile |
| #endif |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| } |