86 lines
3.8 KiB
C++
86 lines
3.8 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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// <string>
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// Test nested types and default template args:
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// template<class charT, class traits = char_traits<charT>,
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// class Allocator = allocator<charT> >
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// {
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// public:
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// // types:
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// typedef traits traits_type;
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// typedef typename traits::char_type value_type;
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// typedef Allocator allocator_type;
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// typedef typename Allocator::size_type size_type;
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// typedef typename Allocator::difference_type difference_type;
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// typedef typename Allocator::reference reference;
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// typedef typename Allocator::const_reference const_reference;
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// typedef typename Allocator::pointer pointer;
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// typedef typename Allocator::const_pointer const_pointer;
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// typedef implementation-defined iterator; // See 23.1
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// typedef implementation-defined const_iterator; // See 23.1
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// typedef std::reverse_iterator<iterator> reverse_iterator;
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// typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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// static const size_type npos = -1;
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// };
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#include <string>
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#include <iterator>
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#include <type_traits>
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#include "test_traits.h"
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#include "test_allocator.h"
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#include "min_allocator.h"
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template <class Traits, class Allocator>
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void
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test()
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{
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typedef std::basic_string<typename Traits::char_type, Traits, Allocator> S;
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static_assert((std::is_same<typename S::traits_type, Traits>::value), "");
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static_assert((std::is_same<typename S::value_type, typename Traits::char_type>::value), "");
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static_assert((std::is_same<typename S::value_type, typename Allocator::value_type>::value), "");
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static_assert((std::is_same<typename S::allocator_type, Allocator>::value), "");
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static_assert((std::is_same<typename S::size_type, typename std::allocator_traits<Allocator>::size_type>::value), "");
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static_assert((std::is_same<typename S::difference_type, typename std::allocator_traits<Allocator>::difference_type>::value), "");
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static_assert((std::is_same<typename S::reference, typename S::value_type&>::value), "");
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static_assert((std::is_same<typename S::const_reference, const typename S::value_type&>::value), "");
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static_assert((std::is_same<typename S::pointer, typename std::allocator_traits<Allocator>::pointer>::value), "");
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static_assert((std::is_same<typename S::const_pointer, typename std::allocator_traits<Allocator>::const_pointer>::value), "");
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static_assert((std::is_same<
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typename std::iterator_traits<typename S::iterator>::iterator_category,
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std::random_access_iterator_tag>::value), "");
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static_assert((std::is_same<
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typename std::iterator_traits<typename S::const_iterator>::iterator_category,
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std::random_access_iterator_tag>::value), "");
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static_assert((std::is_same<
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typename S::reverse_iterator,
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std::reverse_iterator<typename S::iterator> >::value), "");
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static_assert((std::is_same<
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typename S::const_reverse_iterator,
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std::reverse_iterator<typename S::const_iterator> >::value), "");
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static_assert(S::npos == -1, "");
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}
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int main()
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{
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test<test_traits<char>, test_allocator<char> >();
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test<std::char_traits<wchar_t>, std::allocator<wchar_t> >();
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static_assert((std::is_same<std::basic_string<char>::traits_type,
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std::char_traits<char> >::value), "");
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static_assert((std::is_same<std::basic_string<char>::allocator_type,
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std::allocator<char> >::value), "");
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#if __cplusplus >= 201103L
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test<std::char_traits<char>, min_allocator<char> >();
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#endif
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}
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