40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
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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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// <algorithm>
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// template<ForwardIterator Iter, EquivalenceRelation<auto, Iter::value_type> Pred>
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// requires CopyConstructible<Pred>
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// Iter
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// adjacent_find(Iter first, Iter last, Pred pred);
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#include <algorithm>
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#include <functional>
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#include <cassert>
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#include "test_iterators.h"
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int main()
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{
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int ia[] = {0, 1, 2, 2, 0, 1, 2, 3};
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const unsigned sa = sizeof(ia)/sizeof(ia[0]);
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assert(std::adjacent_find(forward_iterator<const int*>(ia),
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forward_iterator<const int*>(ia + sa),
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std::equal_to<int>()) ==
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forward_iterator<const int*>(ia+2));
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assert(std::adjacent_find(forward_iterator<const int*>(ia),
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forward_iterator<const int*>(ia),
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std::equal_to<int>()) ==
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forward_iterator<const int*>(ia));
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assert(std::adjacent_find(forward_iterator<const int*>(ia+3),
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forward_iterator<const int*>(ia + sa),
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std::equal_to<int>()) ==
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forward_iterator<const int*>(ia+sa));
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}
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