89 lines
2.8 KiB
C++
89 lines
2.8 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-options "-std=gnu++2a" }
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// { dg-do run { target c++2a } }
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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 { int i; };
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void
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test01()
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{
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X x[] = { {2}, {6}, {8}, {10}, {11} };
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X y[] = { {10}, {11} };
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{
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test_container<X, forward_iterator_wrapper> c(x);
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auto res = ranges::search(c, y, {}, &X::i, &X::i);
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VERIFY( std::get<0>(res)->i == 10 && std::get<1>(res) == ranges::end(c) );
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res = ranges::search(c, c, {}, &X::i, &X::i);
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VERIFY( std::get<0>(res) == ranges::begin(c)
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&& std::get<1>(res) == ranges::end(c) );
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}
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{
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test_range<X, forward_iterator_wrapper> r(x);
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auto res = ranges::search(r, y, {}, &X::i, &X::i);
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VERIFY( std::get<0>(res)->i == 10 && std::get<1>(res) == ranges::end(r) );
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res = ranges::search(r, r, {}, &X::i, &X::i);
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VERIFY( std::get<0>(res) == ranges::begin(r)
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&& std::get<1>(res) == ranges::end(r) );
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}
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}
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void
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test02()
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{
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static constexpr X x[] = { {2}, {2}, {6}, {8}, {10}, {11} };
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static constexpr X y[] = { {6}, {8} };
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static constexpr int z[] = { 2, 8 };
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static constexpr int w[] = { 2 };
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static_assert(std::get<0>(ranges::search(x, y, {}, &X::i, &X::i)) == x+2);
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static_assert(std::get<1>(ranges::search(x, y, {}, &X::i, &X::i)) == x+4);
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static_assert(std::get<0>(ranges::search(x, z, {}, &X::i)) == x+6);
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static_assert(std::get<1>(ranges::search(x, z, {}, &X::i)) == x+6);
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static_assert(std::get<0>(ranges::search(x, w, {}, &X::i)) == x+0);
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static_assert(std::get<1>(ranges::search(x, w, {}, &X::i)) == x+1);
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static_assert(std::get<0>(ranges::search(x, x+6, w, w, {}, &X::i)) == x+0);
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static_assert(std::get<1>(ranges::search(x, x+6, w, w, {}, &X::i)) == x+0);
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static_assert(std::get<0>(ranges::search(x, x, w, w+1, {}, &X::i)) == x+0);
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static_assert(std::get<1>(ranges::search(x, x, w, w+1, {}, &X::i)) == x+0);
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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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test02();
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}
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