70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
// Copyright (C) 2020-2021 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-do run }
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#include <algorithm>
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#include <testsuite_hooks.h>
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void
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test01()
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{
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volatile int i[] = { 0, 1, 2, 3 };
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volatile int j[] = { 1, 2, 3 };
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int k[] = { 2, 3, 4 };
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VERIFY( std::equal(i+1, i+4, j) ); // volatile, volatile
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VERIFY( std::equal(i+2, i+4, k) ); // volatile, unqual
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VERIFY( ! std::equal(k, k+3, i+1) ); // unqual, volatile
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const volatile int* cj = j;
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VERIFY( ! std::equal(cj, cj+2, cj+1) ); // const volatile, const volatile
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VERIFY( std::equal(cj, cj+3, i+1) ); // const volatile, volatile
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VERIFY( ! std::equal(i, i+2, cj) ); // volatile, const volatile
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VERIFY( std::equal(cj+1, cj+3, k) ); // const volatile, unqual
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VERIFY( ! std::equal(k, k+2, cj) ); // unqual, const volatile
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const int* ck = k;
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VERIFY( std::equal(ck, ck+2, i+2) ); // const, volatile
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VERIFY( ! std::equal(i, i+3, ck) ); // volatile, const
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VERIFY( std::equal(cj+1, cj+3, ck) ); // const volatile, const
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VERIFY( ! std::equal(ck, ck+1, cj) ); // const, const volatile
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#if __cplusplus > 201703L
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using std::ranges::equal;
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VERIFY( equal(i+1, i+4, j, j+3) ); // volatile, volatile
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VERIFY( equal(i+2, i+4, k, k+2) ); // volatile, unqual
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VERIFY( ! equal(k, k+3, i+1, i+4) ); // unqual, volatile
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VERIFY( ! equal(cj, cj+2, cj+1, cj+3) );// const volatile, const volatile
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VERIFY( equal(cj, cj+3, i+1, i+4) ); // const volatile, volatile
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VERIFY( ! equal(i, i+2, cj, cj+2) ); // volatile, const volatile
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VERIFY( equal(cj+1, cj+3, k, k+2) ); // const volatile, unqual
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VERIFY( ! equal(k, k+2, cj, cj+2) ); // unqual, const volatile
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VERIFY( equal(ck, ck+2, i+2, i+4) ); // const, volatile
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VERIFY( ! equal(i, i+3, ck, ck+3) ); // volatile, const
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VERIFY( equal(cj+1, cj+3, ck, ck+2) ); // const volatile, const
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VERIFY( ! equal(ck, ck+1, cj, cj+1) ); // const, const volatile
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#endif
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}
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int
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main()
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{
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test01();
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}
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