4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
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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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// <iterator>
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// reverse_iterator
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// Test nested types and data member:
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// template <BidirectionalIterator Iter>
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// class reverse_iterator {
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// protected:
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// Iter current;
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// public:
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// iterator<typename iterator_traits<Iterator>::iterator_category,
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// typename iterator_traits<Iterator>::value_type,
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// typename iterator_traits<Iterator>::difference_type,
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// typename iterator_traits<Iterator>::pointer,
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// typename iterator_traits<Iterator>::reference> {
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// };
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#include <iterator>
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#include <type_traits>
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#include "test_iterators.h"
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template <class It>
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struct find_current
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: private std::reverse_iterator<It>
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{
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void test() {++(this->current);}
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};
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template <class It>
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void
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test()
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{
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typedef std::reverse_iterator<It> R;
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typedef std::iterator_traits<It> T;
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find_current<It> q;
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q.test();
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static_assert((std::is_same<typename R::iterator_type, It>::value), "");
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static_assert((std::is_same<typename R::value_type, typename T::value_type>::value), "");
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static_assert((std::is_same<typename R::difference_type, typename T::difference_type>::value), "");
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static_assert((std::is_same<typename R::reference, typename T::reference>::value), "");
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static_assert((std::is_same<typename R::pointer, typename std::iterator_traits<It>::pointer>::value), "");
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static_assert((std::is_same<typename R::iterator_category, typename T::iterator_category>::value), "");
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}
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int main()
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{
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test<bidirectional_iterator<char*> >();
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test<random_access_iterator<char*> >();
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test<char*>();
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}
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