103 lines
2.6 KiB
C++
103 lines
2.6 KiB
C++
// Copyright (C) 2020-2025 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 { target c++20 } }
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#include <algorithm>
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#include <testsuite_hooks.h>
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#include <testsuite_iterators.h>
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using __gnu_test::test_container;
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using __gnu_test::test_range;
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using __gnu_test::input_iterator_wrapper;
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using __gnu_test::forward_iterator_wrapper;
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namespace ranges = std::ranges;
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struct X
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{
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int i;
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friend constexpr bool
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operator==(const X& a, const X& b)
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{
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return a.i == b.i;
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}
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};
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void
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test01()
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{
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{
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X x[6] = { {2}, {2}, {6}, {8}, {10}, {11} };
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X y[6] = { {2}, {2}, {6}, {9}, {10}, {11} };
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auto res = ranges::replace(x, x+5, 8, X{9}, &X::i);
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VERIFY( res == x+5 );
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VERIFY( ranges::equal(x, y) );
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}
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{
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X x[6] = { {2}, {2}, {6}, {8}, {10}, {11} };
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X y[6] = { {2}, {2}, {6}, {8}, {10}, {11} };
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auto res = ranges::replace(x, x+5, 7, X{9}, &X::i);
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VERIFY( res == x+5 );
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VERIFY( ranges::equal(x, y) );
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}
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{
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X x[6] = { {2}, {2}, {6}, {8}, {10}, {11} };
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X y[6] = { {7}, {7}, {6}, {8}, {10}, {11} };
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test_container<X, forward_iterator_wrapper> cx(x), cy(y);
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auto res = ranges::replace(cx, 2, X{7}, &X::i);
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VERIFY( res == cx.end() );
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VERIFY( ranges::equal(cx, cy) );
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}
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{
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int x[6] = { {2}, {2}, {6}, {8}, {10}, {2} };
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int y[6] = { {7}, {7}, {6}, {8}, {10}, {7} };
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test_range<int, input_iterator_wrapper> rx(x), ry(y);
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auto res = ranges::replace(rx, 2, 7);
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VERIFY( res == rx.end() );
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rx.bounds.first = x;
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ry.bounds.first = y;
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VERIFY( ranges::equal(rx, ry) );
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}
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}
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struct Y { int i; int j; };
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constexpr bool
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test02()
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{
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bool ok = true;
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Y x[] = { {3,2}, {2,4}, {3,6} };
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Y y[] = { {4,5}, {2,4}, {4,5} };
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auto res = ranges::replace(x, 3, Y{4,5}, &Y::i);
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ok &= res == x+3;
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ok &= ranges::equal(x, y, {}, &Y::i, &Y::i);
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ok &= ranges::equal(x, y, {}, &Y::j, &Y::j);
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return ok;
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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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static_assert(test02());
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}
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