unordered/test/objects/exception.hpp

753 lines
20 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_EXCEPTION_TEST_OBJECTS_HEADER)
#define BOOST_UNORDERED_EXCEPTION_TEST_OBJECTS_HEADER
#include "../helpers/exception_test.hpp"
#include "../helpers/count.hpp"
#include "../helpers/fwd.hpp"
#include "../helpers/generators.hpp"
#include "../helpers/memory.hpp"
#include "./fwd.hpp"
#include <boost/limits.hpp>
#include <cstddef>
#include <new>
namespace test {
namespace exception {
class object;
class hash;
class equal_to;
template <class T> class allocator;
object generate(object const*, random_generator);
std::pair<object, object> generate(
std::pair<object, object> const*, random_generator);
struct true_type
{
enum
{
value = true
};
};
struct false_type
{
enum
{
value = false
};
};
class object : private counted_object
{
public:
int tag1_, tag2_;
explicit object() : tag1_(0), tag2_(0)
{
UNORDERED_SCOPE(object::object())
{
UNORDERED_EPOINT("Mock object default constructor.");
}
}
explicit object(int t1, int t2 = 0) : tag1_(t1), tag2_(t2)
{
UNORDERED_SCOPE(object::object(int))
{
UNORDERED_EPOINT("Mock object constructor by value.");
}
}
object(object const& x)
: counted_object(x), tag1_(x.tag1_), tag2_(x.tag2_)
{
UNORDERED_SCOPE(object::object(object))
{
UNORDERED_EPOINT("Mock object copy constructor.");
}
}
~object()
{
tag1_ = -1;
tag2_ = -1;
}
object& operator=(object const& x)
{
UNORDERED_SCOPE(object::operator=(object))
{
tag1_ = x.tag1_;
UNORDERED_EPOINT("Mock object assign operator 1.");
tag2_ = x.tag2_;
// UNORDERED_EPOINT("Mock object assign operator 2.");
}
return *this;
}
friend bool operator==(object const& x1, object const& x2)
{
UNORDERED_SCOPE(operator==(object, object))
{
UNORDERED_EPOINT("Mock object equality operator.");
}
return x1.tag1_ == x2.tag1_ && x1.tag2_ == x2.tag2_;
}
friend bool operator!=(object const& x1, object const& x2)
{
UNORDERED_SCOPE(operator!=(object, object))
{
UNORDERED_EPOINT("Mock object inequality operator.");
}
return !(x1.tag1_ == x2.tag1_ && x1.tag2_ == x2.tag2_);
}
// None of the last few functions are used by the unordered associative
// containers - so there aren't any exception points.
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*, random_generator g)
{
int* x = 0;
return object(::test::generate(x, g), ::test::generate(x, g));
}
friend std::ostream& operator<<(std::ostream& out, object const& o)
{
return out << "(" << o.tag1_ << "," << o.tag2_ << ")";
}
};
std::pair<object, object> generate(
std::pair<object, object> const*, random_generator g)
{
int* x = 0;
return std::make_pair(
object(::test::generate(x, g), ::test::generate(x, g)),
object(::test::generate(x, g), ::test::generate(x, g)));
}
class hash
{
int tag_;
public:
hash(int t = 0) : tag_(t)
{
UNORDERED_SCOPE(hash::object())
{
UNORDERED_EPOINT("Mock hash default constructor.");
}
}
hash(hash const& x) : tag_(x.tag_)
{
UNORDERED_SCOPE(hash::hash(hash))
{
UNORDERED_EPOINT("Mock hash copy constructor.");
}
}
hash& operator=(hash const& x)
{
UNORDERED_SCOPE(hash::operator=(hash))
{
UNORDERED_EPOINT("Mock hash assign operator 1.");
tag_ = x.tag_;
UNORDERED_EPOINT("Mock hash assign operator 2.");
}
return *this;
}
std::size_t operator()(object const& x) const
{
UNORDERED_SCOPE(hash::operator()(object))
{
UNORDERED_EPOINT("Mock hash function.");
}
return hash_impl(x);
}
std::size_t operator()(std::pair<object, object> const& x) const
{
UNORDERED_SCOPE(hash::operator()(std::pair<object, object>))
{
UNORDERED_EPOINT("Mock hash pair function.");
}
return hash_impl(x.first) * 193ul + hash_impl(x.second) * 97ul + 29ul;
}
std::size_t hash_impl(object const& x) const
{
int result;
switch (tag_) {
case 1:
result = x.tag1_;
break;
case 2:
result = x.tag2_;
break;
default:
result = x.tag1_ + x.tag2_;
}
return static_cast<std::size_t>(result);
}
friend bool operator==(hash const& x1, hash const& x2)
{
UNORDERED_SCOPE(operator==(hash, hash))
{
UNORDERED_EPOINT("Mock hash equality function.");
}
return x1.tag_ == x2.tag_;
}
friend bool operator!=(hash const& x1, hash const& x2)
{
UNORDERED_SCOPE(hash::operator!=(hash, hash))
{
UNORDERED_EPOINT("Mock hash inequality function.");
}
return x1.tag_ != x2.tag_;
}
};
class less
{
int tag_;
public:
less(int t = 0) : tag_(t) {}
less(less const& x) : tag_(x.tag_) {}
bool operator()(object const& x1, object const& x2) const
{
return less_impl(x1, x2);
}
bool operator()(std::pair<object, object> const& x1,
std::pair<object, object> const& x2) const
{
if (less_impl(x1.first, x2.first)) {
return true;
}
if (!less_impl(x1.first, x2.first)) {
return false;
}
return less_impl(x1.second, x2.second);
}
bool less_impl(object const& x1, object const& x2) const
{
switch (tag_) {
case 1:
return x1.tag1_ < x2.tag1_;
case 2:
return x1.tag2_ < x2.tag2_;
default:
return x1 < x2;
}
}
friend bool operator==(less const& x1, less const& x2)
{
return x1.tag_ == x2.tag_;
}
friend bool operator!=(less const& x1, less const& x2)
{
return x1.tag_ != x2.tag_;
}
};
class equal_to
{
int tag_;
public:
equal_to(int t = 0) : tag_(t)
{
UNORDERED_SCOPE(equal_to::equal_to())
{
UNORDERED_EPOINT("Mock equal_to default constructor.");
}
}
equal_to(equal_to const& x) : tag_(x.tag_)
{
UNORDERED_SCOPE(equal_to::equal_to(equal_to))
{
UNORDERED_EPOINT("Mock equal_to copy constructor.");
}
}
equal_to& operator=(equal_to const& x)
{
UNORDERED_SCOPE(equal_to::operator=(equal_to))
{
UNORDERED_EPOINT("Mock equal_to assign operator 1.");
tag_ = x.tag_;
UNORDERED_EPOINT("Mock equal_to assign operator 2.");
}
return *this;
}
bool operator()(object const& x1, object const& x2) const
{
UNORDERED_SCOPE(equal_to::operator()(object, object))
{
UNORDERED_EPOINT("Mock equal_to function.");
}
return equal_impl(x1, x2);
}
bool operator()(std::pair<object, object> const& x1,
std::pair<object, object> const& x2) const
{
UNORDERED_SCOPE(equal_to::operator()(
std::pair<object, object>, std::pair<object, object>))
{
UNORDERED_EPOINT("Mock equal_to function.");
}
return equal_impl(x1.first, x2.first) &&
equal_impl(x1.second, x2.second);
}
bool equal_impl(object const& x1, object const& x2) const
{
switch (tag_) {
case 1:
return x1.tag1_ == x2.tag1_;
case 2:
return x1.tag2_ == x2.tag2_;
default:
return x1 == x2;
}
}
friend bool operator==(equal_to const& x1, equal_to const& x2)
{
UNORDERED_SCOPE(operator==(equal_to, equal_to))
{
UNORDERED_EPOINT("Mock equal_to equality function.");
}
return x1.tag_ == x2.tag_;
}
friend bool operator!=(equal_to const& x1, equal_to const& x2)
{
UNORDERED_SCOPE(operator!=(equal_to, equal_to))
{
UNORDERED_EPOINT("Mock equal_to inequality function.");
}
return x1.tag_ != x2.tag_;
}
friend less create_compare(equal_to x) { return less(x.tag_); }
};
template <class T> class allocator
{
public:
int tag_;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef T* pointer;
typedef T const* const_pointer;
typedef T& reference;
typedef T const& const_reference;
typedef T value_type;
template <class U> struct rebind
{
typedef allocator<U> other;
};
explicit allocator(int t = 0) : tag_(t)
{
UNORDERED_SCOPE(allocator::allocator())
{
UNORDERED_EPOINT("Mock allocator default constructor.");
}
test::detail::tracker.allocator_ref();
}
template <class Y> allocator(allocator<Y> const& x) : tag_(x.tag_)
{
test::detail::tracker.allocator_ref();
}
allocator(allocator const& x) : tag_(x.tag_)
{
test::detail::tracker.allocator_ref();
}
~allocator() { test::detail::tracker.allocator_unref(); }
allocator& operator=(allocator const& x)
{
tag_ = x.tag_;
return *this;
}
// If address throws, then it can't be used in erase or the
// destructor, which is very limiting. I need to check up on
// this.
pointer address(reference r)
{
// UNORDERED_SCOPE(allocator::address(reference)) {
// UNORDERED_EPOINT("Mock allocator address function.");
//}
return pointer(&r);
}
const_pointer address(const_reference r)
{
// UNORDERED_SCOPE(allocator::address(const_reference)) {
// UNORDERED_EPOINT("Mock allocator const address function.");
//}
return const_pointer(&r);
}
pointer allocate(size_type n)
{
T* ptr = 0;
UNORDERED_SCOPE(allocator::allocate(size_type))
{
UNORDERED_EPOINT("Mock allocator allocate function.");
using namespace std;
ptr = (T*)malloc(n * sizeof(T));
if (!ptr)
throw std::bad_alloc();
}
test::detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
return pointer(ptr);
// return pointer(static_cast<T*>(::operator new(n * sizeof(T))));
}
pointer allocate(size_type n, void const*)
{
T* ptr = 0;
UNORDERED_SCOPE(allocator::allocate(size_type, const_pointer))
{
UNORDERED_EPOINT("Mock allocator allocate function.");
using namespace std;
ptr = (T*)malloc(n * sizeof(T));
if (!ptr)
throw std::bad_alloc();
}
test::detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
return pointer(ptr);
// return pointer(static_cast<T*>(::operator new(n * sizeof(T))));
}
void deallocate(pointer p, size_type n)
{
//::operator delete((void*) p);
if (p) {
test::detail::tracker.track_deallocate((void*)p, n, sizeof(T), tag_);
using namespace std;
free(p);
}
}
void construct(pointer p, T const& t)
{
UNORDERED_SCOPE(allocator::construct(T*, T))
{
UNORDERED_EPOINT("Mock allocator construct function.");
new (p) T(t);
}
test::detail::tracker.track_construct((void*)p, sizeof(T), tag_);
}
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
template <class... Args> void construct(T* p, BOOST_FWD_REF(Args)... args)
{
UNORDERED_SCOPE(allocator::construct(pointer, BOOST_FWD_REF(Args)...))
{
UNORDERED_EPOINT("Mock allocator construct function.");
new (p) T(boost::forward<Args>(args)...);
}
test::detail::tracker.track_construct((void*)p, sizeof(T), tag_);
}
#endif
void destroy(T* p)
{
test::detail::tracker.track_destroy((void*)p, sizeof(T), tag_);
p->~T();
}
size_type max_size() const
{
UNORDERED_SCOPE(allocator::construct(pointer, T))
{
UNORDERED_EPOINT("Mock allocator max_size function.");
}
return (std::numeric_limits<std::size_t>::max)();
}
typedef true_type propagate_on_container_copy_assignment;
typedef true_type propagate_on_container_move_assignment;
typedef true_type propagate_on_container_swap;
};
template <class T> void swap(allocator<T>& x, allocator<T>& y)
{
std::swap(x.tag_, y.tag_);
}
// It's pretty much impossible to write a compliant swap when these
// two can throw. So they don't.
template <class T>
inline bool operator==(allocator<T> const& x, allocator<T> const& y)
{
// UNORDERED_SCOPE(operator==(allocator, allocator)) {
// UNORDERED_EPOINT("Mock allocator equality operator.");
//}
return x.tag_ == y.tag_;
}
template <class T>
inline bool operator!=(allocator<T> const& x, allocator<T> const& y)
{
// UNORDERED_SCOPE(operator!=(allocator, allocator)) {
// UNORDERED_EPOINT("Mock allocator inequality operator.");
//}
return x.tag_ != y.tag_;
}
template <class T> class allocator2
{
public:
int tag_;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef T* pointer;
typedef T const* 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)
{
UNORDERED_SCOPE(allocator2::allocator2())
{
UNORDERED_EPOINT("Mock allocator2 default constructor.");
}
test::detail::tracker.allocator_ref();
}
allocator2(allocator<T> const& x) : tag_(x.tag_)
{
test::detail::tracker.allocator_ref();
}
template <class Y> allocator2(allocator2<Y> const& x) : tag_(x.tag_)
{
test::detail::tracker.allocator_ref();
}
allocator2(allocator2 const& x) : tag_(x.tag_)
{
test::detail::tracker.allocator_ref();
}
~allocator2() { test::detail::tracker.allocator_unref(); }
allocator2& operator=(allocator2 const&) { return *this; }
// If address throws, then it can't be used in erase or the
// destructor, which is very limiting. I need to check up on
// this.
pointer address(reference r)
{
// UNORDERED_SCOPE(allocator2::address(reference)) {
// UNORDERED_EPOINT("Mock allocator2 address function.");
//}
return pointer(&r);
}
const_pointer address(const_reference r)
{
// UNORDERED_SCOPE(allocator2::address(const_reference)) {
// UNORDERED_EPOINT("Mock allocator2 const address function.");
//}
return const_pointer(&r);
}
pointer allocate(size_type n)
{
T* ptr = 0;
UNORDERED_SCOPE(allocator2::allocate(size_type))
{
UNORDERED_EPOINT("Mock allocator2 allocate function.");
using namespace std;
ptr = (T*)malloc(n * sizeof(T));
if (!ptr)
throw std::bad_alloc();
}
test::detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
return pointer(ptr);
// return pointer(static_cast<T*>(::operator new(n * sizeof(T))));
}
pointer allocate(size_type n, void const*)
{
T* ptr = 0;
UNORDERED_SCOPE(allocator2::allocate(size_type, const_pointer))
{
UNORDERED_EPOINT("Mock allocator2 allocate function.");
using namespace std;
ptr = (T*)malloc(n * sizeof(T));
if (!ptr)
throw std::bad_alloc();
}
test::detail::tracker.track_allocate((void*)ptr, n, sizeof(T), tag_);
return pointer(ptr);
// return pointer(static_cast<T*>(::operator new(n * sizeof(T))));
}
void deallocate(pointer p, size_type n)
{
//::operator delete((void*) p);
if (p) {
test::detail::tracker.track_deallocate((void*)p, n, sizeof(T), tag_);
using namespace std;
free(p);
}
}
void construct(pointer p, T const& t)
{
UNORDERED_SCOPE(allocator2::construct(T*, T))
{
UNORDERED_EPOINT("Mock allocator2 construct function.");
new (p) T(t);
}
test::detail::tracker.track_construct((void*)p, sizeof(T), tag_);
}
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
template <class... Args> void construct(T* p, BOOST_FWD_REF(Args)... args)
{
UNORDERED_SCOPE(allocator2::construct(pointer, BOOST_FWD_REF(Args)...))
{
UNORDERED_EPOINT("Mock allocator2 construct function.");
new (p) T(boost::forward<Args>(args)...);
}
test::detail::tracker.track_construct((void*)p, sizeof(T), tag_);
}
#endif
void destroy(T* p)
{
test::detail::tracker.track_destroy((void*)p, sizeof(T), tag_);
p->~T();
}
size_type max_size() const
{
UNORDERED_SCOPE(allocator2::construct(pointer, T))
{
UNORDERED_EPOINT("Mock allocator2 max_size function.");
}
return (std::numeric_limits<std::size_t>::max)();
}
typedef false_type propagate_on_container_copy_assignment;
typedef false_type propagate_on_container_move_assignment;
typedef false_type propagate_on_container_swap;
};
template <class T> void swap(allocator2<T>& x, allocator2<T>& y)
{
std::swap(x.tag_, y.tag_);
}
// It's pretty much impossible to write a compliant swap when these
// two can throw. So they don't.
template <class T>
inline bool operator==(allocator2<T> const& x, allocator2<T> const& y)
{
// UNORDERED_SCOPE(operator==(allocator2, allocator2)) {
// UNORDERED_EPOINT("Mock allocator2 equality operator.");
//}
return x.tag_ == y.tag_;
}
template <class T>
inline bool operator!=(allocator2<T> const& x, allocator2<T> const& y)
{
// UNORDERED_SCOPE(operator!=(allocator2, allocator2)) {
// UNORDERED_EPOINT("Mock allocator2 inequality operator.");
//}
return x.tag_ != y.tag_;
}
}
}
namespace test {
template <typename X> struct equals_to_compare;
template <> struct equals_to_compare<test::exception::equal_to>
{
typedef test::exception::less type;
};
}
// Workaround for ADL deficient compilers
#if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
namespace test {
test::exception::object generate(
test::exception::object const* x, random_generator g)
{
return test::exception::generate(x, g);
}
std::pair<test::exception::object, test::exception::object> generate(
std::pair<test::exception::object, test::exception::object> const* x,
random_generator g)
{
return test::exception::generate(x, g);
}
}
#endif
#endif