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// Copyright (C) 2020-2022 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[2] = { 1, 2 };
volatile int j[2] = { 0, 0 };
int k[2] = { 0, 0 };
std::copy(i, i+2, j);
VERIFY( j[0] == 1 && j[1] == 2 );
std::copy(i, i+2, k);
VERIFY( k[0] == 1 && k[1] == 2 );
std::copy(k+1, k+2, i);
VERIFY( i[0] == 2 );
const volatile int* cj = j;
std::copy(cj, cj+2, i);
VERIFY( i[0] == 1 && i[1] == 2 );
std::copy(cj+1, cj+2, k);
VERIFY( k[0] == 2 );
const int* ck = k;
std::copy(ck, ck+2, i);
VERIFY( i[0] == 2 && i[1] == 2 );
}
void
test02()
{
#if __cplusplus > 201703L
volatile int i[2] = { 1, 2 };
volatile int j[2] = { 0, 0 };
int k[2] = { 0, 0 };
std::ranges::copy(i, i+2, j);
VERIFY( j[0] == 1 && j[1] == 2 );
std::ranges::copy(i, i+2, k);
VERIFY( k[0] == 1 && k[1] == 2 );
std::ranges::copy(k+1, k+2, i);
VERIFY( i[0] == 2 );
const volatile int* cj = j;
std::ranges::copy(cj, cj+2, i);
VERIFY( i[0] == 1 && i[1] == 2 );
std::ranges::copy(cj+1, cj+2, k);
VERIFY( k[0] == 2 );
const int* ck = k;
std::ranges::copy(ck, ck+2, i);
VERIFY( i[0] == 2 && i[1] == 2 );
#endif
}
int
main()
{
test01();
test02();
}