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68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
// Range v3 library
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//
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// Copyright Andrew Sutton 2014
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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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#include <range/v3/core.hpp>
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#include <range/v3/algorithm/count.hpp>
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#include "../simple_test.hpp"
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#include "../test_iterators.hpp"
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struct S
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{
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int i;
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};
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int main()
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{
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using namespace ranges;
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int ia[] = {0, 1, 2, 2, 0, 1, 2, 3};
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constexpr auto cia = size(ia);
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CHECK(count(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + cia), 2) == 3);
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CHECK(count(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + cia), 7) == 0);
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CHECK(count(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia), 2) == 0);
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CHECK(count(make_subrange(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + cia)), 2) == 3);
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CHECK(count(make_subrange(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia + cia)), 7) == 0);
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CHECK(count(make_subrange(InputIterator<const int*>(ia),
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Sentinel<const int*>(ia)), 2) == 0);
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S sa[] = {{0}, {1}, {2}, {2}, {0}, {1}, {2}, {3}};
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constexpr auto csa = size(ia);
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CHECK(count(InputIterator<const S*>(sa),
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Sentinel<const S*>(sa + csa), 2, &S::i) == 3);
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CHECK(count(InputIterator<const S*>(sa),
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Sentinel<const S*>(sa + csa), 7, &S::i) == 0);
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CHECK(count(InputIterator<const S*>(sa),
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Sentinel<const S*>(sa), 2, &S::i) == 0);
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CHECK(count(make_subrange(InputIterator<const S*>(sa),
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Sentinel<const S*>(sa + csa)), 2, &S::i) == 3);
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CHECK(count(make_subrange(InputIterator<const S*>(sa),
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Sentinel<const S*>(sa + csa)), 7, &S::i) == 0);
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CHECK(count(make_subrange(InputIterator<const S*>(sa),
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Sentinel<const S*>(sa)), 2, &S::i) == 0);
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{
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using IL = std::initializer_list<int>;
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STATIC_CHECK(ranges::count(IL{0, 1, 2, 1, 3, 1, 4}, 1) == 3);
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STATIC_CHECK(ranges::count(IL{0, 1, 2, 1, 3, 1, 4}, 5) == 0);
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}
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return ::test_result();
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}
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