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47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/*
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* This file is open source software, licensed to you under the terms
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* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
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* distributed with this work for additional information regarding copyright
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* ownership. You may not use this file except in compliance with the License.
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*
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright (C) 2014-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.1
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*/
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#define BOOST_TEST_MODULE core
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#include <boost/test/unit_test.hpp>
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#include "cartesian_product.hh"
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template<typename Range>
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auto to_vec(Range&& r) {
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std::vector<typename Range::iterator::value_type> v;
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std::copy(std::begin(r), std::end(r), std::back_inserter(v));
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return v;
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}
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BOOST_AUTO_TEST_CASE(test_cartesian_product) {
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using vec = std::vector<std::vector<int>>;
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BOOST_REQUIRE(to_vec(make_cartesian_product(vec({{1, 2}, {3}, {4, 5}}))) == vec({
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{1, 3, 4},
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{1, 3, 5},
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{2, 3, 4},
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{2, 3, 5}
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}));
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}
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