mirror of
https://github.com/boostorg/unordered.git
synced 2025-05-11 13:34:06 +00:00
3f060a70d1
It looks the odd result in unnecessary_copy_tests on Visual C++ 11 is not a bug, but add some extra tests just to make sure. Also some extra rehash and reserve testing thrown in. [SVN r80705]
644 lines
18 KiB
C++
644 lines
18 KiB
C++
|
|
// 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)
|
|
|
|
#if !defined(BOOST_UNORDERED_TEST_OBJECTS_HEADER)
|
|
#define BOOST_UNORDERED_TEST_OBJECTS_HEADER
|
|
|
|
#include <boost/config.hpp>
|
|
#include <boost/limits.hpp>
|
|
#include <cstddef>
|
|
#include "../helpers/fwd.hpp"
|
|
#include "../helpers/count.hpp"
|
|
#include "../helpers/memory.hpp"
|
|
|
|
namespace test
|
|
{
|
|
// Note that the default hash function will work for any equal_to (but not
|
|
// very well).
|
|
class object;
|
|
class movable;
|
|
class implicitly_convertible;
|
|
class hash;
|
|
class less;
|
|
class equal_to;
|
|
template <class T> class allocator1;
|
|
template <class T> class allocator2;
|
|
object generate(object const*);
|
|
movable generate(movable const*);
|
|
implicitly_convertible generate(implicitly_convertible const*);
|
|
|
|
inline void ignore_variable(void const*) {}
|
|
|
|
class object : private counted_object
|
|
{
|
|
friend class hash;
|
|
friend class equal_to;
|
|
friend class less;
|
|
int tag1_, tag2_;
|
|
public:
|
|
explicit object(int t1 = 0, int t2 = 0) : tag1_(t1), tag2_(t2) {}
|
|
|
|
~object() {
|
|
tag1_ = -1;
|
|
tag2_ = -1;
|
|
}
|
|
|
|
friend bool operator==(object const& x1, object const& x2) {
|
|
return x1.tag1_ == x2.tag1_ && x1.tag2_ == x2.tag2_;
|
|
}
|
|
|
|
friend bool operator!=(object const& x1, object const& x2) {
|
|
return x1.tag1_ != x2.tag1_ || x1.tag2_ != x2.tag2_;
|
|
}
|
|
|
|
friend bool operator<(object const& x1, object const& x2) {
|
|
return x1.tag1_ < x2.tag1_ ||
|
|
(x1.tag1_ == x2.tag1_ && x1.tag2_ < x2.tag2_);
|
|
}
|
|
|
|
friend object generate(object const*) {
|
|
int* x = 0;
|
|
return object(generate(x), generate(x));
|
|
}
|
|
|
|
friend std::ostream& operator<<(std::ostream& out, object const& o)
|
|
{
|
|
return out<<"("<<o.tag1_<<","<<o.tag2_<<")";
|
|
}
|
|
};
|
|
|
|
class movable : private counted_object
|
|
{
|
|
friend class hash;
|
|
friend class equal_to;
|
|
friend class less;
|
|
int tag1_, tag2_;
|
|
|
|
BOOST_COPYABLE_AND_MOVABLE(movable)
|
|
public:
|
|
explicit movable(int t1 = 0, int t2 = 0) : tag1_(t1), tag2_(t2) {}
|
|
|
|
movable(movable const& x) :
|
|
counted_object(x), tag1_(x.tag1_), tag2_(x.tag2_)
|
|
{
|
|
BOOST_TEST(x.tag1_ != -1);
|
|
}
|
|
|
|
movable(BOOST_RV_REF(movable) x) :
|
|
counted_object(x), tag1_(x.tag1_), tag2_(x.tag2_)
|
|
{
|
|
BOOST_TEST(x.tag1_ != -1);
|
|
x.tag1_ = -1;
|
|
x.tag2_ = -1;
|
|
}
|
|
|
|
movable& operator=(BOOST_COPY_ASSIGN_REF(movable) x) // Copy assignment
|
|
{
|
|
BOOST_TEST(x.tag1_ != -1);
|
|
tag1_ = x.tag1_;
|
|
tag2_ = x.tag2_;
|
|
return *this;
|
|
}
|
|
|
|
movable& operator=(BOOST_RV_REF(movable) x) //Move assignment
|
|
{
|
|
BOOST_TEST(x.tag1_ != -1);
|
|
tag1_ = x.tag1_;
|
|
tag2_ = x.tag2_;
|
|
x.tag1_ = -1;
|
|
x.tag2_ = -1;
|
|
return *this;
|
|
}
|
|
|
|
~movable() {
|
|
tag1_ = -1;
|
|
tag2_ = -1;
|
|
}
|
|
|
|
friend bool operator==(movable const& x1, movable const& x2) {
|
|
BOOST_TEST(x1.tag1_ != -1 && x2.tag1_ != -1);
|
|
return x1.tag1_ == x2.tag1_ && x1.tag2_ == x2.tag2_;
|
|
}
|
|
|
|
friend bool operator!=(movable const& x1, movable const& x2) {
|
|
BOOST_TEST(x1.tag1_ != -1 && x2.tag1_ != -1);
|
|
return x1.tag1_ != x2.tag1_ || x1.tag2_ != x2.tag2_;
|
|
}
|
|
|
|
friend bool operator<(movable const& x1, movable const& x2) {
|
|
BOOST_TEST(x1.tag1_ != -1 && x2.tag1_ != -1);
|
|
return x1.tag1_ < x2.tag1_ ||
|
|
(x1.tag1_ == x2.tag1_ && x1.tag2_ < x2.tag2_);
|
|
}
|
|
|
|
friend movable generate(movable const*) {
|
|
int* x = 0;
|
|
return movable(generate(x), generate(x));
|
|
}
|
|
|
|
friend std::ostream& operator<<(std::ostream& out, movable const& o)
|
|
{
|
|
return out<<"("<<o.tag1_<<","<<o.tag2_<<")";
|
|
}
|
|
};
|
|
|
|
class implicitly_convertible : private counted_object
|
|
{
|
|
int tag1_, tag2_;
|
|
public:
|
|
|
|
explicit implicitly_convertible(int t1 = 0, int t2 = 0)
|
|
: tag1_(t1), tag2_(t2)
|
|
{}
|
|
|
|
operator object() const
|
|
{
|
|
return object(tag1_, tag2_);
|
|
}
|
|
|
|
operator movable() const
|
|
{
|
|
return movable(tag1_, tag2_);
|
|
}
|
|
|
|
friend implicitly_convertible generate(implicitly_convertible const*) {
|
|
int* x = 0;
|
|
return implicitly_convertible(generate(x), generate(x));
|
|
}
|
|
|
|
friend std::ostream& operator<<(std::ostream& out, implicitly_convertible const& o)
|
|
{
|
|
return out<<"("<<o.tag1_<<","<<o.tag2_<<")";
|
|
}
|
|
};
|
|
|
|
// Note: This is a deliberately bad hash function.
|
|
class hash
|
|
{
|
|
int type_;
|
|
public:
|
|
explicit hash(int t = 0) : type_(t) {}
|
|
|
|
std::size_t operator()(object const& x) const {
|
|
switch(type_) {
|
|
case 1:
|
|
return x.tag1_;
|
|
case 2:
|
|
return x.tag2_;
|
|
default:
|
|
return x.tag1_ + x.tag2_;
|
|
}
|
|
}
|
|
|
|
std::size_t operator()(movable const& x) const {
|
|
switch(type_) {
|
|
case 1:
|
|
return x.tag1_;
|
|
case 2:
|
|
return x.tag2_;
|
|
default:
|
|
return x.tag1_ + x.tag2_;
|
|
}
|
|
}
|
|
|
|
std::size_t operator()(int x) const {
|
|
return x;
|
|
}
|
|
|
|
friend bool operator==(hash const& x1, hash const& x2) {
|
|
return x1.type_ == x2.type_;
|
|
}
|
|
|
|
friend bool operator!=(hash const& x1, hash const& x2) {
|
|
return x1.type_ != x2.type_;
|
|
}
|
|
};
|
|
|
|
std::size_t hash_value(test::object const& x) {
|
|
return hash()(x);
|
|
}
|
|
|
|
std::size_t hash_value(test::movable const& x) {
|
|
return hash()(x);
|
|
}
|
|
|
|
class less
|
|
{
|
|
int type_;
|
|
public:
|
|
explicit less(int t = 0) : type_(t) {}
|
|
|
|
bool operator()(object const& x1, object const& x2) const {
|
|
switch(type_) {
|
|
case 1:
|
|
return x1.tag1_ < x2.tag1_;
|
|
case 2:
|
|
return x1.tag2_ < x2.tag2_;
|
|
default:
|
|
return x1 < x2;
|
|
}
|
|
}
|
|
|
|
bool operator()(movable const& x1, movable const& x2) const {
|
|
switch(type_) {
|
|
case 1:
|
|
return x1.tag1_ < x2.tag1_;
|
|
case 2:
|
|
return x1.tag2_ < x2.tag2_;
|
|
default:
|
|
return x1 < x2;
|
|
}
|
|
}
|
|
|
|
std::size_t operator()(int x1, int x2) const {
|
|
return x1 < x2;
|
|
}
|
|
|
|
friend bool operator==(less const& x1, less const& x2) {
|
|
return x1.type_ == x2.type_;
|
|
}
|
|
};
|
|
|
|
class equal_to
|
|
{
|
|
int type_;
|
|
public:
|
|
explicit equal_to(int t = 0) : type_(t) {}
|
|
|
|
bool operator()(object const& x1, object const& x2) const {
|
|
switch(type_) {
|
|
case 1:
|
|
return x1.tag1_ == x2.tag1_;
|
|
case 2:
|
|
return x1.tag2_ == x2.tag2_;
|
|
default:
|
|
return x1 == x2;
|
|
}
|
|
}
|
|
|
|
bool operator()(movable const& x1, movable const& x2) const {
|
|
switch(type_) {
|
|
case 1:
|
|
return x1.tag1_ == x2.tag1_;
|
|
case 2:
|
|
return x1.tag2_ == x2.tag2_;
|
|
default:
|
|
return x1 == x2;
|
|
}
|
|
}
|
|
|
|
std::size_t operator()(int x1, int x2) const {
|
|
return x1 == x2;
|
|
}
|
|
|
|
friend bool operator==(equal_to const& x1, equal_to const& x2) {
|
|
return x1.type_ == x2.type_;
|
|
}
|
|
|
|
friend bool operator!=(equal_to const& x1, equal_to const& x2) {
|
|
return x1.type_ != x2.type_;
|
|
}
|
|
|
|
friend less create_compare(equal_to x) {
|
|
return less(x.type_);
|
|
}
|
|
};
|
|
|
|
// allocator1 only has the old fashioned 'construct' method and has
|
|
// a few less typedefs. allocator2 uses a custom pointer class.
|
|
|
|
template <class T>
|
|
class allocator1
|
|
{
|
|
public:
|
|
int tag_;
|
|
|
|
typedef T value_type;
|
|
|
|
template <class U> struct rebind { typedef allocator1<U> other; };
|
|
|
|
explicit allocator1(int t = 0) : tag_(t)
|
|
{
|
|
detail::tracker.allocator_ref();
|
|
}
|
|
|
|
template <class Y> allocator1(allocator1<Y> const& x)
|
|
: tag_(x.tag_)
|
|
{
|
|
detail::tracker.allocator_ref();
|
|
}
|
|
|
|
allocator1(allocator1 const& x)
|
|
: tag_(x.tag_)
|
|
{
|
|
detail::tracker.allocator_ref();
|
|
}
|
|
|
|
~allocator1()
|
|
{
|
|
detail::tracker.allocator_unref();
|
|
}
|
|
|
|
T* allocate(std::size_t n) {
|
|
T* ptr(static_cast<T*>(::operator new(n * sizeof(T))));
|
|
detail::tracker.track_allocate((void*) ptr, n, sizeof(T), tag_);
|
|
return ptr;
|
|
}
|
|
|
|
T* allocate(std::size_t n, void const* u)
|
|
{
|
|
T* ptr(static_cast<T*>(::operator new(n * sizeof(T))));
|
|
detail::tracker.track_allocate((void*) ptr, n, sizeof(T), tag_);
|
|
return ptr;
|
|
}
|
|
|
|
void deallocate(T* p, std::size_t n)
|
|
{
|
|
detail::tracker.track_deallocate((void*) p, n, sizeof(T), tag_);
|
|
::operator delete((void*) p);
|
|
}
|
|
|
|
void construct(T* p, T const& t) {
|
|
// Don't count constructions here as it isn't always called.
|
|
//detail::tracker.track_construct((void*) p, sizeof(T), tag_);
|
|
new(p) T(t);
|
|
}
|
|
|
|
void destroy(T* p) {
|
|
//detail::tracker.track_destroy((void*) p, sizeof(T), tag_);
|
|
p->~T();
|
|
|
|
// Work around MSVC buggy unused parameter warning.
|
|
ignore_variable(&p);
|
|
}
|
|
|
|
bool operator==(allocator1 const& x) const
|
|
{
|
|
return tag_ == x.tag_;
|
|
}
|
|
|
|
bool operator!=(allocator1 const& x) const
|
|
{
|
|
return tag_ != x.tag_;
|
|
}
|
|
|
|
enum {
|
|
is_select_on_copy = false,
|
|
is_propagate_on_swap = false,
|
|
is_propagate_on_assign = false,
|
|
is_propagate_on_move = false
|
|
};
|
|
};
|
|
|
|
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 allocator2<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_; }
|
|
};
|
|
|
|
template <class T>
|
|
class const_ptr
|
|
{
|
|
friend class allocator2<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_; }
|
|
};
|
|
|
|
template <class T>
|
|
class allocator2
|
|
{
|
|
# ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
|
|
public:
|
|
# else
|
|
template <class> friend class allocator2;
|
|
# endif
|
|
int tag_;
|
|
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 allocator2<U> other; };
|
|
|
|
explicit allocator2(int t = 0) : tag_(t)
|
|
{
|
|
detail::tracker.allocator_ref();
|
|
}
|
|
|
|
template <class Y> allocator2(allocator2<Y> const& x)
|
|
: tag_(x.tag_)
|
|
{
|
|
detail::tracker.allocator_ref();
|
|
}
|
|
|
|
allocator2(allocator2 const& x)
|
|
: tag_(x.tag_)
|
|
{
|
|
detail::tracker.allocator_ref();
|
|
}
|
|
|
|
~allocator2()
|
|
{
|
|
detail::tracker.allocator_unref();
|
|
}
|
|
|
|
pointer address(reference r)
|
|
{
|
|
return pointer(&r);
|
|
}
|
|
|
|
const_pointer address(const_reference r)
|
|
{
|
|
return const_pointer(&r);
|
|
}
|
|
|
|
pointer allocate(size_type n) {
|
|
pointer p(static_cast<T*>(::operator new(n * sizeof(T))));
|
|
detail::tracker.track_allocate((void*) p.ptr_, n, sizeof(T), tag_);
|
|
return p;
|
|
}
|
|
|
|
pointer allocate(size_type n, void const* u)
|
|
{
|
|
pointer ptr(static_cast<T*>(::operator new(n * sizeof(T))));
|
|
detail::tracker.track_allocate((void*) ptr, n, sizeof(T), tag_);
|
|
return ptr;
|
|
}
|
|
|
|
void deallocate(pointer p, size_type n)
|
|
{
|
|
detail::tracker.track_deallocate((void*) p.ptr_, n, sizeof(T), tag_);
|
|
::operator delete((void*) p.ptr_);
|
|
}
|
|
|
|
void construct(T* p, T const& t) {
|
|
detail::tracker.track_construct((void*) p, sizeof(T), tag_);
|
|
new(p) T(t);
|
|
}
|
|
|
|
#if !defined(BOOST_NO_VARIADIC_TEMPLATES)
|
|
template<class... Args> void construct(T* p, BOOST_FWD_REF(Args)... args) {
|
|
detail::tracker.track_construct((void*) p, sizeof(T), tag_);
|
|
new(p) T(boost::forward<Args>(args)...);
|
|
}
|
|
#endif
|
|
|
|
void destroy(T* p) {
|
|
detail::tracker.track_destroy((void*) p, sizeof(T), tag_);
|
|
p->~T();
|
|
}
|
|
|
|
size_type max_size() const {
|
|
return (std::numeric_limits<size_type>::max)();
|
|
}
|
|
|
|
bool operator==(allocator2 const& x) const
|
|
{
|
|
return tag_ == x.tag_;
|
|
}
|
|
|
|
bool operator!=(allocator2 const& x) const
|
|
{
|
|
return tag_ != x.tag_;
|
|
}
|
|
|
|
enum {
|
|
is_select_on_copy = false,
|
|
is_propagate_on_swap = false,
|
|
is_propagate_on_assign = false,
|
|
is_propagate_on_move = false
|
|
};
|
|
};
|
|
|
|
template <class T>
|
|
bool equivalent_impl(allocator1<T> const& x, allocator1<T> const& y,
|
|
test::derived_type)
|
|
{
|
|
return x == y;
|
|
}
|
|
|
|
template <class T>
|
|
bool equivalent_impl(allocator2<T> const& x, allocator2<T> const& y,
|
|
test::derived_type)
|
|
{
|
|
return x == y;
|
|
}
|
|
}
|
|
|
|
#endif
|