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256 lines
12 KiB
C++
256 lines
12 KiB
C++
// Range v3 library
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//
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// Copyright Eric Niebler 2014-present
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//
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// Use, modification and distribution is subject to the
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// Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Project home: https://github.com/ericniebler/range-v3
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include <range/v3/core.hpp>
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#include <range/v3/algorithm/find_first_of.hpp>
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#include "../simple_test.hpp"
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#include "../test_iterators.hpp"
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#include "../test_utils.hpp"
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namespace rng = ranges;
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void test_iter()
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{
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using namespace ranges;
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int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
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static constexpr auto sa = size(ia);
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int ib[] = {1, 3, 5, 7};
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static constexpr auto sb = size(ib);
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CHECK(rng::find_first_of(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + sa),
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ForwardIterator<const int*>(ib),
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Sentinel<const int*>(ib + sb)) ==
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InputIterator<const int*>(ia+1));
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int ic[] = {7};
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CHECK(rng::find_first_of(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + sa),
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ForwardIterator<const int*>(ic),
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Sentinel<const int*>(ic + 1)) ==
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InputIterator<const int*>(ia+sa));
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CHECK(rng::find_first_of(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + sa),
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ForwardIterator<const int*>(ic),
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Sentinel<const int*>(ic)) ==
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InputIterator<const int*>(ia+sa));
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CHECK(rng::find_first_of(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia),
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ForwardIterator<const int*>(ic),
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Sentinel<const int*>(ic+1)) ==
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InputIterator<const int*>(ia));
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}
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void test_iter_pred()
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{
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using namespace ranges;
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int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
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static constexpr auto sa = size(ia);
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int ib[] = {1, 3, 5, 7};
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static constexpr auto sb = size(ib);
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CHECK(rng::find_first_of(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + sa),
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ForwardIterator<const int*>(ib),
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Sentinel<const int*>(ib + sb),
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std::equal_to<int>()) ==
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InputIterator<const int*>(ia+1));
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int ic[] = {7};
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CHECK(rng::find_first_of(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + sa),
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ForwardIterator<const int*>(ic),
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Sentinel<const int*>(ic + 1),
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std::equal_to<int>()) ==
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InputIterator<const int*>(ia+sa));
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CHECK(rng::find_first_of(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + sa),
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ForwardIterator<const int*>(ic),
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Sentinel<const int*>(ic),
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std::equal_to<int>()) ==
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InputIterator<const int*>(ia+sa));
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CHECK(rng::find_first_of(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia),
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ForwardIterator<const int*>(ic),
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Sentinel<const int*>(ic+1),
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std::equal_to<int>()) ==
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InputIterator<const int*>(ia));
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}
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void test_rng()
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{
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using namespace ranges;
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int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
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static constexpr auto sa = size(ia);
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int ib[] = {1, 3, 5, 7};
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static constexpr auto sb = size(ib);
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CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia + sa)),
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make_subrange(ForwardIterator<const int*>(ib),
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ForwardIterator<const int*>(ib + sb))) ==
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InputIterator<const int*>(ia+1));
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CHECK(::is_dangling(rng::find_first_of(::MakeTestRange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia + sa)),
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make_subrange(ForwardIterator<const int*>(ib),
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ForwardIterator<const int*>(ib + sb)))));
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int ic[] = {7};
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CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia + sa)),
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make_subrange(ForwardIterator<const int*>(ic),
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ForwardIterator<const int*>(ic + 1))) ==
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InputIterator<const int*>(ia+sa));
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CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia + sa)),
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make_subrange(ForwardIterator<const int*>(ic),
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ForwardIterator<const int*>(ic))) ==
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InputIterator<const int*>(ia+sa));
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CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia)),
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make_subrange(ForwardIterator<const int*>(ic),
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ForwardIterator<const int*>(ic+1))) ==
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InputIterator<const int*>(ia));
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CHECK(::is_dangling(rng::find_first_of(::MakeTestRange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia + sa)),
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make_subrange(ForwardIterator<const int*>(ic),
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ForwardIterator<const int*>(ic + 1)))));
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CHECK(::is_dangling(rng::find_first_of(::MakeTestRange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia + sa)),
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make_subrange(ForwardIterator<const int*>(ic),
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ForwardIterator<const int*>(ic)))));
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CHECK(::is_dangling(rng::find_first_of(::MakeTestRange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia)),
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make_subrange(ForwardIterator<const int*>(ic),
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ForwardIterator<const int*>(ic+1)))));
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}
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void test_rng_pred()
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{
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using namespace ranges;
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int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
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static constexpr auto sa = size(ia);
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int ib[] = {1, 3, 5, 7};
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static constexpr auto sb = size(ib);
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CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia + sa)),
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make_subrange(ForwardIterator<const int*>(ib),
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ForwardIterator<const int*>(ib + sb)),
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std::equal_to<int>()) ==
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InputIterator<const int*>(ia+1));
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int ic[] = {7};
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CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia + sa)),
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make_subrange(ForwardIterator<const int*>(ic),
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ForwardIterator<const int*>(ic + 1)),
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std::equal_to<int>()) ==
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InputIterator<const int*>(ia+sa));
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CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia + sa)),
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make_subrange(ForwardIterator<const int*>(ic),
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ForwardIterator<const int*>(ic)),
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std::equal_to<int>()) ==
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InputIterator<const int*>(ia+sa));
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CHECK(rng::find_first_of(make_subrange(InputIterator<const int*>(ia),
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InputIterator<const int*>(ia)),
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make_subrange(ForwardIterator<const int*>(ic),
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ForwardIterator<const int*>(ic+1)),
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std::equal_to<int>()) ==
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InputIterator<const int*>(ia));
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}
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struct S
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{
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int i;
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};
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void test_rng_pred_proj()
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{
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using namespace ranges;
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S ia[] = {S{0}, S{1}, S{2}, S{3}, S{0}, S{1}, S{2}, S{3}};
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static constexpr auto sa = size(ia);
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S ib[] = {S{1}, S{3}, S{5}, S{7}};
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static constexpr auto sb = size(ib);
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CHECK(rng::find_first_of(make_subrange(InputIterator<const S*>(ia),
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InputIterator<const S*>(ia + sa)),
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make_subrange(ForwardIterator<const S*>(ib),
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ForwardIterator<const S*>(ib + sb)),
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std::equal_to<int>(), &S::i, &S::i) ==
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InputIterator<const S*>(ia+1));
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S ic[] = {S{7}};
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CHECK(rng::find_first_of(make_subrange(InputIterator<const S*>(ia),
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InputIterator<const S*>(ia + sa)),
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make_subrange(ForwardIterator<const S*>(ic),
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ForwardIterator<const S*>(ic + 1)),
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std::equal_to<int>(), &S::i, &S::i) ==
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InputIterator<const S*>(ia+sa));
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CHECK(rng::find_first_of(make_subrange(InputIterator<const S*>(ia),
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InputIterator<const S*>(ia + sa)),
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make_subrange(ForwardIterator<const S*>(ic),
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ForwardIterator<const S*>(ic)),
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std::equal_to<int>(), &S::i, &S::i) ==
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InputIterator<const S*>(ia+sa));
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CHECK(rng::find_first_of(make_subrange(InputIterator<const S*>(ia),
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InputIterator<const S*>(ia)),
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make_subrange(ForwardIterator<const S*>(ic),
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ForwardIterator<const S*>(ic+1)),
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std::equal_to<int>(), &S::i, &S::i) ==
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InputIterator<const S*>(ia));
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}
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void test_constexpr()
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{
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using namespace ranges;
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constexpr int ia[] = {0, 1, 2, 3, 0, 1, 2, 3};
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constexpr auto sa = size(ia);
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constexpr int ib[] = {1, 3, 5, 7};
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constexpr auto sb = size(ib);
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STATIC_CHECK(
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rng::find_first_of(as_lvalue(make_subrange(InputIterator<const int *>(ia),
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InputIterator<const int *>(ia + sa))),
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make_subrange(ForwardIterator<const int *>(ib),
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ForwardIterator<const int *>(ib + sb)),
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equal_to{}) == InputIterator<const int *>(ia + 1));
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constexpr int ic[] = {7};
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STATIC_CHECK(
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rng::find_first_of(as_lvalue(make_subrange(InputIterator<const int *>(ia),
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InputIterator<const int *>(ia + sa))),
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make_subrange(ForwardIterator<const int *>(ic),
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ForwardIterator<const int *>(ic + 1)),
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equal_to{}) == InputIterator<const int *>(ia + sa));
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STATIC_CHECK(
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rng::find_first_of(as_lvalue(make_subrange(InputIterator<const int *>(ia),
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InputIterator<const int *>(ia + sa))),
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make_subrange(ForwardIterator<const int *>(ic),
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ForwardIterator<const int *>(ic)),
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equal_to{}) == InputIterator<const int *>(ia + sa));
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STATIC_CHECK(
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rng::find_first_of(as_lvalue(make_subrange(InputIterator<const int *>(ia),
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InputIterator<const int *>(ia))),
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make_subrange(ForwardIterator<const int *>(ic),
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ForwardIterator<const int *>(ic + 1)),
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equal_to{}) == InputIterator<const int *>(ia));
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}
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int main()
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{
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::test_iter();
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::test_iter_pred();
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::test_rng();
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::test_rng_pred();
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::test_rng_pred_proj();
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return ::test_result();
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}
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