74 lines
3.1 KiB
C++
74 lines
3.1 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<InputIterator Iter1, InputIterator Iter2, CopyConstructible Compare>
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// requires Predicate<Compare, Iter1::value_type, Iter2::value_type>
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// && Predicate<Compare, Iter2::value_type, Iter1::value_type>
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// bool
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// lexicographical_compare(Iter1 first1, Iter1 last1,
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// Iter2 first2, Iter2 last2, Compare comp);
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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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template <class Iter1, class Iter2>
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void
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test()
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{
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int ia[] = {1, 2, 3, 4};
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const unsigned sa = sizeof(ia)/sizeof(ia[0]);
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int ib[] = {1, 2, 3};
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typedef std::greater<int> C;
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C c;
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assert(!std::lexicographical_compare(ia, ia+sa, ib, ib+2, c));
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assert(std::lexicographical_compare(ib, ib+2, ia, ia+sa, c));
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assert(!std::lexicographical_compare(ia, ia+sa, ib, ib+3, c));
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assert(std::lexicographical_compare(ib, ib+3, ia, ia+sa, c));
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assert(!std::lexicographical_compare(ia, ia+sa, ib+1, ib+3, c));
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assert(std::lexicographical_compare(ib+1, ib+3, ia, ia+sa, c));
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}
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int main()
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{
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test<input_iterator<const int*>, input_iterator<const int*> >();
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test<input_iterator<const int*>, forward_iterator<const int*> >();
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test<input_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<input_iterator<const int*>, random_access_iterator<const int*> >();
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test<input_iterator<const int*>, const int*>();
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test<forward_iterator<const int*>, input_iterator<const int*> >();
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test<forward_iterator<const int*>, forward_iterator<const int*> >();
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test<forward_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<forward_iterator<const int*>, random_access_iterator<const int*> >();
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test<forward_iterator<const int*>, const int*>();
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test<bidirectional_iterator<const int*>, input_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, forward_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, random_access_iterator<const int*> >();
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test<bidirectional_iterator<const int*>, const int*>();
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test<random_access_iterator<const int*>, input_iterator<const int*> >();
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test<random_access_iterator<const int*>, forward_iterator<const int*> >();
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test<random_access_iterator<const int*>, bidirectional_iterator<const int*> >();
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test<random_access_iterator<const int*>, random_access_iterator<const int*> >();
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test<random_access_iterator<const int*>, const int*>();
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test<const int*, input_iterator<const int*> >();
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test<const int*, forward_iterator<const int*> >();
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test<const int*, bidirectional_iterator<const int*> >();
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test<const int*, random_access_iterator<const int*> >();
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test<const int*, const int*>();
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}
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