llvm-project

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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <set>
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// class multiset
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// template <class InputIterator>
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//     multiset(InputIterator first, InputIterator last, const value_compare& comp);
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#include <set>
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#include <cassert>
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#include "test_macros.h"
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#include "test_iterators.h"
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#include "../../../test_compare.h"
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int main(int, char**)
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{
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    typedef int V;
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    V ar[] =
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    {
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        1,
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        1,
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        1,
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        2,
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        2,
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        2,
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        3,
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        3,
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        3
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    };
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    typedef test_less<V> C;
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    std::multiset<V, C> m(cpp17_input_iterator<const V*>(ar),
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                     cpp17_input_iterator<const V*>(ar+sizeof(ar)/sizeof(ar[0])), C(5));
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    assert(m.value_comp() == C(5));
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    assert(m.size() == 9);
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    assert(std::distance(m.begin(), m.end()) == 9);
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    assert(*std::next(m.begin(), 0) == 1);
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    assert(*std::next(m.begin(), 1) == 1);
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    assert(*std::next(m.begin(), 2) == 1);
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    assert(*std::next(m.begin(), 3) == 2);
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    assert(*std::next(m.begin(), 4) == 2);
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    assert(*std::next(m.begin(), 5) == 2);
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    assert(*std::next(m.begin(), 6) == 3);
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    assert(*std::next(m.begin(), 7) == 3);
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    assert(*std::next(m.begin(), 8) == 3);
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  return 0;
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}
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