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+
+// Copyright 2006-2009 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// Define some minimal classes which provide the bare minimum concepts to
+// test that the containers don't rely on something that they shouldn't.
+// They are not intended to be good examples of how to implement the concepts.
+
+#if !defined(BOOST_UNORDERED_OBJECTS_MINIMAL_HEADER)
+#define BOOST_UNORDERED_OBJECTS_MINIMAL_HEADER
+
+#include <boost/move/move.hpp>
+#include <cstddef>
+#include <utility>
+
+#if defined(BOOST_MSVC)
+#pragma warning(push)
+#pragma warning(disable : 4100) // unreferenced formal parameter
+#endif
+
+#if !BOOST_WORKAROUND(BOOST_MSVC, == 1500)
+#define BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED 1
+#else
+#define BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED 0
+#endif
+
+namespace test {
+ namespace minimal {
+ class destructible;
+ class copy_constructible;
+ class copy_constructible_equality_comparable;
+ class default_assignable;
+ class assignable;
+
+ struct ampersand_operator_used
+ {
+ ampersand_operator_used() { BOOST_TEST(false); }
+ };
+
+ template <class T> class hash;
+ template <class T> class equal_to;
+ template <class T> class ptr;
+ template <class T> class const_ptr;
+ template <class T> class allocator;
+ template <class T> class cxx11_allocator;
+
+ struct constructor_param
+ {
+ operator int() const { return 0; }
+ };
+
+ class destructible
+ {
+ public:
+ destructible(constructor_param const&) {}
+ ~destructible() {}
+ void dummy_member() const {}
+
+ private:
+ destructible(destructible const&);
+ destructible& operator=(destructible const&);
+ };
+
+ class copy_constructible
+ {
+ public:
+ copy_constructible(constructor_param const&) {}
+ copy_constructible(copy_constructible const&) {}
+ ~copy_constructible() {}
+ void dummy_member() const {}
+
+ private:
+ copy_constructible& operator=(copy_constructible const&);
+ copy_constructible() {}
+ };
+
+ class copy_constructible_equality_comparable
+ {
+ public:
+ copy_constructible_equality_comparable(constructor_param const&) {}
+
+ copy_constructible_equality_comparable(
+ copy_constructible_equality_comparable const&)
+ {
+ }
+
+ ~copy_constructible_equality_comparable() {}
+
+ void dummy_member() const {}
+
+ private:
+ copy_constructible_equality_comparable& operator=(
+ copy_constructible_equality_comparable const&);
+ copy_constructible_equality_comparable() {}
+#if BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED
+ ampersand_operator_used operator&() const
+ {
+ return ampersand_operator_used();
+ }
+#endif
+ };
+
+ bool operator==(copy_constructible_equality_comparable,
+ copy_constructible_equality_comparable)
+ {
+ return true;
+ }
+
+ bool operator!=(copy_constructible_equality_comparable,
+ copy_constructible_equality_comparable)
+ {
+ return false;
+ }
+
+ class default_assignable
+ {
+ public:
+ default_assignable(constructor_param const&) {}
+
+ default_assignable() {}
+
+ default_assignable(default_assignable const&) {}
+
+ default_assignable& operator=(default_assignable const&) { return *this; }
+
+ ~default_assignable() {}
+
+ void dummy_member() const {}
+
+#if BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED
+ ampersand_operator_used operator&() const
+ {
+ return ampersand_operator_used();
+ }
+#endif
+ };
+
+ class assignable
+ {
+ public:
+ assignable(constructor_param const&) {}
+ assignable(assignable const&) {}
+ assignable& operator=(assignable const&) { return *this; }
+ ~assignable() {}
+ void dummy_member() const {}
+
+ private:
+ assignable() {}
+#if BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED
+ ampersand_operator_used operator&() const
+ {
+ return ampersand_operator_used();
+ }
+#endif
+ };
+
+ struct movable_init
+ {
+ };
+
+ class movable1
+ {
+ BOOST_MOVABLE_BUT_NOT_COPYABLE(movable1)
+
+ public:
+ movable1(constructor_param const&) {}
+ movable1() {}
+ explicit movable1(movable_init) {}
+ movable1(BOOST_RV_REF(movable1)) {}
+ movable1& operator=(BOOST_RV_REF(movable1)) { return *this; }
+ ~movable1() {}
+ void dummy_member() const {}
+ };
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+ class movable2
+ {
+ public:
+ movable2(constructor_param const&) {}
+ explicit movable2(movable_init) {}
+ movable2(movable2&&) {}
+ ~movable2() {}
+ movable2& operator=(movable2&&) { return *this; }
+ void dummy_member() const {}
+
+ private:
+ movable2() {}
+ movable2(movable2 const&);
+ movable2& operator=(movable2 const&);
+ };
+#else
+ typedef movable1 movable2;
+#endif
+
+ template <class T> class hash
+ {
+ public:
+ hash(constructor_param const&) {}
+ hash() {}
+ hash(hash const&) {}
+ hash& operator=(hash const&) { return *this; }
+ ~hash() {}
+
+ std::size_t operator()(T const&) const { return 0; }
+#if BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED
+ ampersand_operator_used operator&() const
+ {
+ return ampersand_operator_used();
+ }
+#endif
+ };
+
+ template <class T> class equal_to
+ {
+ public:
+ equal_to(constructor_param const&) {}
+ equal_to() {}
+ equal_to(equal_to const&) {}
+ equal_to& operator=(equal_to const&) { return *this; }
+ ~equal_to() {}
+
+ bool operator()(T const&, T const&) const { return true; }
+#if BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED
+ ampersand_operator_used operator&() const
+ {
+ return ampersand_operator_used();
+ }
+#endif
+ };
+
+ template <class T> class ptr;
+ template <class T> class const_ptr;
+
+ struct void_ptr
+ {
+#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
+ template <typename T> friend class ptr;
+
+ private:
+#endif
+
+ void* ptr_;
+
+ public:
+ void_ptr() : ptr_(0) {}
+
+ template <typename T> explicit void_ptr(ptr<T> const& x) : ptr_(x.ptr_) {}
+
+ // I'm not using the safe bool idiom because the containers should be
+ // able to cope with bool conversions.
+ operator bool() const { return !!ptr_; }
+
+ bool operator==(void_ptr const& x) const { return ptr_ == x.ptr_; }
+ bool operator!=(void_ptr const& x) const { return ptr_ != x.ptr_; }
+ };
+
+ class void_const_ptr
+ {
+#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
+ template <typename T> friend class const_ptr;
+
+ private:
+#endif
+
+ void* ptr_;
+
+ public:
+ void_const_ptr() : ptr_(0) {}
+
+ template <typename T>
+ explicit void_const_ptr(const_ptr<T> const& x) : ptr_(x.ptr_)
+ {
+ }
+
+ // I'm not using the safe bool idiom because the containers should be
+ // able to cope with bool conversions.
+ operator bool() const { return !!ptr_; }
+
+ bool operator==(void_const_ptr const& x) const { return ptr_ == x.ptr_; }
+ bool operator!=(void_const_ptr const& x) const { return ptr_ != x.ptr_; }
+ };
+
+ template <class T> class ptr
+ {
+ friend class allocator<T>;
+ friend class const_ptr<T>;
+ friend struct void_ptr;
+
+ T* ptr_;
+
+ ptr(T* x) : ptr_(x) {}
+
+ public:
+ ptr() : ptr_(0) {}
+ explicit ptr(void_ptr const& x) : ptr_((T*)x.ptr_) {}
+
+ T& operator*() const { return *ptr_; }
+ T* operator->() const { return ptr_; }
+ ptr& operator++()
+ {
+ ++ptr_;
+ return *this;
+ }
+ ptr operator++(int)
+ {
+ ptr tmp(*this);
+ ++ptr_;
+ return tmp;
+ }
+ ptr operator+(std::ptrdiff_t s) const { return ptr<T>(ptr_ + s); }
+ friend ptr operator+(std::ptrdiff_t s, ptr p)
+ {
+ return ptr<T>(s + p.ptr_);
+ }
+ T& operator[](std::ptrdiff_t s) const { return ptr_[s]; }
+ bool operator!() const { return !ptr_; }
+
+ // I'm not using the safe bool idiom because the containers should be
+ // able to cope with bool conversions.
+ operator bool() const { return !!ptr_; }
+
+ bool operator==(ptr const& x) const { return ptr_ == x.ptr_; }
+ bool operator!=(ptr const& x) const { return ptr_ != x.ptr_; }
+ bool operator<(ptr const& x) const { return ptr_ < x.ptr_; }
+ bool operator>(ptr const& x) const { return ptr_ > x.ptr_; }
+ bool operator<=(ptr const& x) const { return ptr_ <= x.ptr_; }
+ bool operator>=(ptr const& x) const { return ptr_ >= x.ptr_; }
+#if BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED
+ ampersand_operator_used operator&() const
+ {
+ return ampersand_operator_used();
+ }
+#endif
+ };
+
+ template <class T> class const_ptr
+ {
+ friend class allocator<T>;
+ friend struct const_void_ptr;
+
+ T const* ptr_;
+
+ const_ptr(T const* ptr) : ptr_(ptr) {}
+
+ public:
+ const_ptr() : ptr_(0) {}
+ const_ptr(ptr<T> const& x) : ptr_(x.ptr_) {}
+ explicit const_ptr(void_const_ptr const& x) : ptr_((T const*)x.ptr_) {}
+
+ T const& operator*() const { return *ptr_; }
+ T const* operator->() const { return ptr_; }
+ const_ptr& operator++()
+ {
+ ++ptr_;
+ return *this;
+ }
+ const_ptr operator++(int)
+ {
+ const_ptr tmp(*this);
+ ++ptr_;
+ return tmp;
+ }
+ const_ptr operator+(std::ptrdiff_t s) const
+ {
+ return const_ptr(ptr_ + s);
+ }
+ friend const_ptr operator+(std::ptrdiff_t s, const_ptr p)
+ {
+ return ptr<T>(s + p.ptr_);
+ }
+ T const& operator[](int s) const { return ptr_[s]; }
+ bool operator!() const { return !ptr_; }
+ operator bool() const { return !!ptr_; }
+
+ bool operator==(const_ptr const& x) const { return ptr_ == x.ptr_; }
+ bool operator!=(const_ptr const& x) const { return ptr_ != x.ptr_; }
+ bool operator<(const_ptr const& x) const { return ptr_ < x.ptr_; }
+ bool operator>(const_ptr const& x) const { return ptr_ > x.ptr_; }
+ bool operator<=(const_ptr const& x) const { return ptr_ <= x.ptr_; }
+ bool operator>=(const_ptr const& x) const { return ptr_ >= x.ptr_; }
+#if BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED
+ ampersand_operator_used operator&() const
+ {
+ return ampersand_operator_used();
+ }
+#endif
+ };
+
+ template <class T> class allocator
+ {
+ public:
+ typedef std::size_t size_type;
+ typedef std::ptrdiff_t difference_type;
+ typedef void_ptr void_pointer;
+ typedef void_const_ptr const_void_pointer;
+ typedef ptr<T> pointer;
+ typedef const_ptr<T> const_pointer;
+ typedef T& reference;
+ typedef T const& const_reference;
+ typedef T value_type;
+
+ template <class U> struct rebind
+ {
+ typedef allocator<U> other;
+ };
+
+ allocator() {}
+ template <class Y> allocator(allocator<Y> const&) {}
+ allocator(allocator const&) {}
+ ~allocator() {}
+
+ pointer address(reference r) { return pointer(&r); }
+ const_pointer address(const_reference r) { return const_pointer(&r); }
+
+ pointer allocate(size_type n)
+ {
+ return pointer(static_cast<T*>(::operator new(n * sizeof(T))));
+ }
+
+ template <class Y> pointer allocate(size_type n, const_ptr<Y>)
+ {
+ return pointer(static_cast<T*>(::operator new(n * sizeof(T))));
+ }
+
+ void deallocate(pointer p, size_type)
+ {
+ ::operator delete((void*)p.ptr_);
+ }
+
+ void construct(T* p, T const& t) { new ((void*)p) T(t); }
+
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+ template <class... Args> void construct(T* p, BOOST_FWD_REF(Args)... args)
+ {
+ new ((void*)p) T(boost::forward<Args>(args)...);
+ }
+#endif
+
+ void destroy(T* p) { p->~T(); }
+
+ size_type max_size() const { return 1000; }
+
+#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) || \
+ BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
+ public:
+ allocator& operator=(allocator const&) { return *this; }
+#else
+ private:
+ allocator& operator=(allocator const&);
+#endif
+#if BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED
+ ampersand_operator_used operator&() const
+ {
+ return ampersand_operator_used();
+ }
+#endif
+ };
+
+ template <class T> class allocator<T const>
+ {
+ public:
+ typedef std::size_t size_type;
+ typedef std::ptrdiff_t difference_type;
+ typedef void_ptr void_pointer;
+ typedef void_const_ptr const_void_pointer;
+ // Maybe these two should be const_ptr<T>
+ typedef ptr<T const> pointer;
+ typedef const_ptr<T const> const_pointer;
+ typedef T const& reference;
+ typedef T const& const_reference;
+ typedef T const value_type;
+
+ template <class U> struct rebind
+ {
+ typedef allocator<U> other;
+ };
+
+ allocator() {}
+ template <class Y> allocator(allocator<Y> const&) {}
+ allocator(allocator const&) {}
+ ~allocator() {}
+
+ const_pointer address(const_reference r) { return const_pointer(&r); }
+
+ pointer allocate(size_type n)
+ {
+ return pointer(static_cast<T const*>(::operator new(n * sizeof(T))));
+ }
+
+ template <class Y> pointer allocate(size_type n, const_ptr<Y>)
+ {
+ return pointer(static_cast<T const*>(::operator new(n * sizeof(T))));
+ }
+
+ void deallocate(pointer p, size_type)
+ {
+ ::operator delete((void*)p.ptr_);
+ }
+
+ void construct(T const* p, T const& t) { new ((void*)p) T(t); }
+
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+ template <class... Args>
+ void construct(T const* p, BOOST_FWD_REF(Args)... args)
+ {
+ new ((void*)p) T(boost::forward<Args>(args)...);
+ }
+#endif
+
+ void destroy(T const* p) { p->~T(); }
+
+ size_type max_size() const { return 1000; }
+
+#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) || \
+ BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
+ public:
+ allocator& operator=(allocator const&) { return *this; }
+#else
+ private:
+ allocator& operator=(allocator const&);
+#endif
+#if BOOST_UNORDERED_CHECK_ADDR_OPERATOR_NOT_USED
+ ampersand_operator_used operator&() const
+ {
+ return ampersand_operator_used();
+ }
+#endif
+ };
+
+ template <class T>
+ inline bool operator==(allocator<T> const&, allocator<T> const&)
+ {
+ return true;
+ }
+
+ template <class T>
+ inline bool operator!=(allocator<T> const&, allocator<T> const&)
+ {
+ return false;
+ }
+
+ template <class T> void swap(allocator<T>&, allocator<T>&) {}
+
+ // C++11 allocator
+ //
+ // Not a fully minimal C++11 allocator, just what I support. Hopefully will
+ // cut down further in the future.
+
+ template <class T> class cxx11_allocator
+ {
+ public:
+ typedef T value_type;
+ // template <class U> struct rebind { typedef cxx11_allocator<U> other; };
+
+ cxx11_allocator() {}
+ template <class Y> cxx11_allocator(cxx11_allocator<Y> const&) {}
+ cxx11_allocator(cxx11_allocator const&) {}
+ ~cxx11_allocator() {}
+
+ T* address(T& r) { return &r; }
+ T const* address(T const& r) { return &r; }
+
+ T* allocate(std::size_t n)
+ {
+ return static_cast<T*>(::operator new(n * sizeof(T)));
+ }
+
+ template <class Y> T* allocate(std::size_t n, const_ptr<Y>)
+ {
+ return static_cast<T*>(::operator new(n * sizeof(T)));
+ }
+
+ void deallocate(T* p, std::size_t) { ::operator delete((void*)p); }
+
+ void construct(T* p, T const& t) { new ((void*)p) T(t); }
+
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+ template <class... Args> void construct(T* p, BOOST_FWD_REF(Args)... args)
+ {
+ new ((void*)p) T(boost::forward<Args>(args)...);
+ }
+#endif
+
+ void destroy(T* p) { p->~T(); }
+
+ std::size_t max_size() const { return 1000u; }
+ };
+
+ template <class T>
+ inline bool operator==(cxx11_allocator<T> const&, cxx11_allocator<T> const&)
+ {
+ return true;
+ }
+
+ template <class T>
+ inline bool operator!=(cxx11_allocator<T> const&, cxx11_allocator<T> const&)
+ {
+ return false;
+ }
+
+ template <class T> void swap(cxx11_allocator<T>&, cxx11_allocator<T>&) {}
+ }
+}
+
+#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
+namespace boost {
+#else
+namespace test {
+ namespace minimal {
+#endif
+ std::size_t hash_value(test::minimal::copy_constructible_equality_comparable)
+ {
+ return 1;
+ }
+#if !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
+}
+}
+#else
+ }
+#endif
+
+#if defined(BOOST_MSVC)
+#pragma warning(pop)
+#endif
+
+#endif