mirror of
https://github.com/boostorg/container.git
synced 2026-07-10 20:00:51 +02:00
Fix node_handle bugs:
-> Bad allocator destruction in swap -> Wrong assertion in operator= -> Make dangerous functions private Added full testsuite.
This commit is contained in:
Ion Gaztañaga
+616
-1
@@ -8,11 +8,626 @@
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/core/lightweight_test.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/container/node_handle.hpp>
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#include <boost/container/new_allocator.hpp>
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#include <boost/move/utility_core.hpp>
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#include <boost/move/adl_move_swap.hpp>
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#include <boost/container/detail/pair_key_mapped_of_value.hpp>
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using namespace ::boost::container;
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int main ()
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enum EAllocState
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{
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DefaultConstructed,
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MoveConstructed,
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MoveAssigned,
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CopyConstructed,
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CopyAssigned,
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Swapped,
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Destructed
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};
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template<class Node>
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class trace_allocator
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: public new_allocator<Node>
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{
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BOOST_COPYABLE_AND_MOVABLE(trace_allocator)
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typedef new_allocator<Node> base_t;
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public:
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struct propagate_on_container_move_assignment
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{
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static const bool value = true;
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};
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struct propagate_on_container_swap
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{
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static const bool value = true;
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};
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//!Obtains an new_allocator that allocates
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//!objects of type T2
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template<class T2>
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struct rebind
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{
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typedef trace_allocator<T2> other;
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};
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explicit trace_allocator(unsigned value = 999)
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: m_state(DefaultConstructed), m_value(value)
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{
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++count;
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}
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trace_allocator(BOOST_RV_REF(trace_allocator) other)
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: base_t(boost::move(BOOST_MOVE_BASE(base_t, other))), m_state(MoveConstructed), m_value(other.m_value)
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{
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++count;
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}
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trace_allocator(const trace_allocator &other)
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: base_t(other), m_state(CopyConstructed), m_value(other.m_value)
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{
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++count;
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}
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trace_allocator & operator=(BOOST_RV_REF(trace_allocator) other)
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{
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m_value = other.m_value;
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m_state = MoveAssigned;
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return *this;
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}
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template<class OtherNode>
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trace_allocator(const trace_allocator<OtherNode> &other)
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: m_state(CopyConstructed), m_value(other.m_value)
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{
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++count;
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}
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template<class OtherNode>
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trace_allocator & operator=(BOOST_COPY_ASSIGN_REF(trace_allocator<OtherNode>) other)
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{
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m_value = other.m_value;
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m_state = CopyAssigned;
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return *this;
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}
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~trace_allocator()
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{
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m_value = 0u-1u;
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m_state = Destructed;
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--count;
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}
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void swap(trace_allocator &other)
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{
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boost::adl_move_swap(m_value, other.m_value);
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m_state = other.m_state = Swapped;
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}
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friend void swap(trace_allocator &left, trace_allocator &right)
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{
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left.swap(right);
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}
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EAllocState m_state;
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unsigned m_value;
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static unsigned int count;
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static void reset_count()
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{ count = 0; }
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};
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template<class Node>
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unsigned int trace_allocator<Node>::count = 0;
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template<class T>
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struct node
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{
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typedef T value_type;
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value_type value;
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value_type &get_data() { return value; }
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const value_type &get_data() const { return value; }
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node()
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{
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++count;
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}
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~node()
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{
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--count;
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}
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static unsigned int count;
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static void reset_count()
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{ count = 0; }
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};
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template<class T1, class T2>
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struct value
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{
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T1 first;
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T2 second;
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};
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template<class T>
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unsigned int node<T>::count = 0;
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//Common types
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typedef value<int, unsigned> test_pair;
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typedef pair_key_mapped_of_value<int, unsigned> key_mapped_t;
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typedef node<test_pair> node_t;
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typedef trace_allocator< node_t > node_alloc_t;
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typedef node_handle<node_alloc_t, void> node_handle_set_t;
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typedef node_handle<node_alloc_t, key_mapped_t> node_handle_map_t;
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typedef allocator_traits<node_alloc_t>::portable_rebind_alloc<test_pair>::type value_allocator_type;
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void test_types()
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{
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//set
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BOOST_STATIC_ASSERT(( container_detail::is_same<node_handle_set_t::value_type, test_pair>::value ));
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BOOST_STATIC_ASSERT(( container_detail::is_same<node_handle_set_t::key_type, test_pair>::value ));
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BOOST_STATIC_ASSERT(( container_detail::is_same<node_handle_set_t::mapped_type, test_pair>::value ));
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BOOST_STATIC_ASSERT(( container_detail::is_same<node_handle_set_t::allocator_type, value_allocator_type>::value ));
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//map
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BOOST_STATIC_ASSERT(( container_detail::is_same<node_handle_map_t::value_type, test_pair>::value ));
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BOOST_STATIC_ASSERT(( container_detail::is_same<node_handle_map_t::key_type, int>::value ));
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BOOST_STATIC_ASSERT(( container_detail::is_same<node_handle_map_t::mapped_type, unsigned>::value ));
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BOOST_STATIC_ASSERT(( container_detail::is_same<node_handle_map_t::allocator_type, value_allocator_type>::value ));
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}
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void test_default_constructor()
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{
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node_alloc_t::reset_count();
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{
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node_handle_set_t nh;
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BOOST_TEST(node_alloc_t::count == 0);
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}
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BOOST_TEST(node_alloc_t::count == 0);
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}
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void test_arg_constructor()
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{
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//With non-null pointer
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node_alloc_t::reset_count();
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node_t::reset_count();
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{
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const node_alloc_t al;
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BOOST_TEST(node_alloc_t::count == 1);
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{
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node_handle_set_t nh(new node_t, al);
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 2);
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}
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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//With null pointer
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node_alloc_t::reset_count();
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node_t::reset_count();
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{
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const node_alloc_t al;
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BOOST_TEST(node_alloc_t::count == 1);
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{
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node_handle_set_t nh(0, al);
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_alloc_t::count == 1);
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BOOST_TEST(node_t::count == 0);
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}
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BOOST_TEST(node_alloc_t::count == 0);
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}
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void test_move_constructor()
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{
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//With non-null pointer
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node_alloc_t::reset_count();
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node_t::reset_count();
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{
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const node_alloc_t al;
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BOOST_TEST(node_alloc_t::count == 1);
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{
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node_t *const from_ptr = new node_t;
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node_handle_set_t nh(from_ptr, al);
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 2);
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{
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node_handle_set_t nh2(boost::move(nh));
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BOOST_TEST(nh.empty());
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BOOST_TEST(!nh2.empty());
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BOOST_TEST(nh2.get() == from_ptr);
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BOOST_TEST(nh2.node_alloc().m_state == MoveConstructed);
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 2);
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}
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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//With null pointer
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node_alloc_t::reset_count();
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node_t::reset_count();
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{
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const node_alloc_t al;
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BOOST_TEST(node_alloc_t::count == 1);
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{
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node_handle_set_t nh;
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{
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node_handle_set_t nh2(boost::move(nh));
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BOOST_TEST(nh.empty());
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BOOST_TEST(nh2.empty());
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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}
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void test_related_constructor()
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{
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//With non-null pointer
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node_alloc_t::reset_count();
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node_t::reset_count();
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{
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const node_alloc_t al;
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BOOST_TEST(node_alloc_t::count == 1);
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{
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node_t *const from_ptr = new node_t;
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node_handle_map_t nh(from_ptr, al);
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 2);
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{
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node_handle_set_t nh2(boost::move(nh));
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BOOST_TEST(nh.empty());
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BOOST_TEST(!nh2.empty());
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BOOST_TEST(nh2.get() == from_ptr);
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BOOST_TEST(nh2.node_alloc().m_state == MoveConstructed);
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 2);
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}
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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//With null pointer
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node_alloc_t::reset_count();
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node_t::reset_count();
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{
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const node_alloc_t al;
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BOOST_TEST(node_alloc_t::count == 1);
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{
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node_handle_set_t nh;
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{
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node_handle_map_t nh2(boost::move(nh));
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BOOST_TEST(nh.empty());
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BOOST_TEST(nh2.empty());
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_alloc_t::count == 1);
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}
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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}
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void test_move_assignment()
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{
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//empty = full
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{
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node_alloc_t::reset_count();
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node_t::reset_count();
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node_t *const from_ptr = new node_t;
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node_handle_set_t nh_from(from_ptr, node_alloc_t());
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 1);
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node_handle_set_t nh_to;
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BOOST_TEST(nh_to.empty());
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 1);
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nh_to = boost::move(nh_from);
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BOOST_TEST(nh_from.empty());
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BOOST_TEST(!nh_to.empty());
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BOOST_TEST(nh_to.get() == from_ptr);
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BOOST_TEST(nh_to.node_alloc().m_state == MoveConstructed);
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 1);
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}
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//empty = empty
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{
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node_alloc_t::reset_count();
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node_t::reset_count();
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node_handle_set_t nh_from;
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BOOST_TEST(nh_from.empty());
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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node_handle_set_t nh_to;
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BOOST_TEST(nh_to.empty());
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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nh_to = boost::move(nh_from);
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BOOST_TEST(nh_from.empty());
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BOOST_TEST(nh_to.empty());
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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}
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//full = empty
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{
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node_alloc_t::reset_count();
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node_t::reset_count();
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node_handle_set_t nh_from;
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BOOST_TEST(nh_from.empty());
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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node_handle_set_t nh_to(new node_t, node_alloc_t());
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 1);
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nh_to = boost::move(nh_from);
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BOOST_TEST(nh_from.empty());
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BOOST_TEST(nh_to.empty());
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BOOST_TEST(node_t::count == 0);
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BOOST_TEST(node_alloc_t::count == 0);
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}
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//full = full
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{
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node_alloc_t::reset_count();
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node_t::reset_count();
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node_t *const from_ptr = new node_t;
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node_handle_set_t nh_from(from_ptr, node_alloc_t());
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 1);
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node_handle_set_t nh_to(new node_t, node_alloc_t());
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BOOST_TEST(node_t::count == 2);
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BOOST_TEST(node_alloc_t::count == 2);
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nh_to = boost::move(nh_from);
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BOOST_TEST(nh_from.empty());
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BOOST_TEST(!nh_to.empty());
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BOOST_TEST(nh_to.get() == from_ptr);
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BOOST_TEST(nh_to.node_alloc().m_state == MoveAssigned);
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 1);
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}
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}
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void test_value_key_mapped()
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{
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//value()
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{
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node_t *from_ptr = new node_t;
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const node_handle_set_t nh_from(from_ptr, node_alloc_t());
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from_ptr->value.first = -99;
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from_ptr->value.second = 99;
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BOOST_TEST(nh_from.value().first == -99);
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BOOST_TEST(nh_from.value().second == 99);
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}
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//key()/mapped()
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{
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node_t *from_ptr = new node_t;
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const node_handle_map_t nh_from(from_ptr, node_alloc_t());
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from_ptr->value.first = -98;
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from_ptr->value.second = 98;
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BOOST_TEST(nh_from.key() == -98);
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BOOST_TEST(nh_from.mapped() == 98);
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}
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}
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void test_get_allocator()
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{
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const node_handle_set_t nh(new node_t, node_alloc_t(888));
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allocator_traits<node_alloc_t>::portable_rebind_alloc<test_pair>::type a = nh.get_allocator();
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BOOST_TEST(a.m_value == 888);
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}
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void test_bool_conversion_empty()
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{
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const node_handle_set_t nh(new node_t, node_alloc_t(777));
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const node_handle_set_t nh_null;
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BOOST_TEST(nh && !nh_null);
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BOOST_TEST(!(!nh || nh_null));
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BOOST_TEST(!nh.empty() && nh_null.empty());
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BOOST_TEST(!(nh.empty() || !nh_null.empty()));
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}
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void test_swap()
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{
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//empty.swap(full)
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{
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node_alloc_t::reset_count();
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node_t::reset_count();
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node_t *const from_ptr = new node_t;
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node_handle_set_t nh_from(from_ptr, node_alloc_t());
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 1);
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node_handle_set_t nh_to;
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BOOST_TEST(nh_to.empty());
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BOOST_TEST(node_t::count == 1);
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BOOST_TEST(node_alloc_t::count == 1);
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nh_to.swap(nh_from);
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BOOST_TEST(nh_from.empty());
|
||||
BOOST_TEST(!nh_to.empty());
|
||||
BOOST_TEST(nh_to.get() == from_ptr);
|
||||
BOOST_TEST(nh_to.node_alloc().m_state == MoveConstructed);
|
||||
BOOST_TEST(node_t::count == 1);
|
||||
BOOST_TEST(node_alloc_t::count == 1);
|
||||
}
|
||||
|
||||
//empty.swap(empty)
|
||||
{
|
||||
node_alloc_t::reset_count();
|
||||
node_t::reset_count();
|
||||
|
||||
node_handle_set_t nh_from;
|
||||
BOOST_TEST(nh_from.empty());
|
||||
BOOST_TEST(node_t::count == 0);
|
||||
BOOST_TEST(node_alloc_t::count == 0);
|
||||
|
||||
node_handle_set_t nh_to;
|
||||
BOOST_TEST(nh_to.empty());
|
||||
BOOST_TEST(node_t::count == 0);
|
||||
BOOST_TEST(node_alloc_t::count == 0);
|
||||
|
||||
nh_to.swap(nh_from);
|
||||
|
||||
BOOST_TEST(nh_from.empty());
|
||||
BOOST_TEST(nh_to.empty());
|
||||
BOOST_TEST(node_t::count == 0);
|
||||
BOOST_TEST(node_alloc_t::count == 0);
|
||||
}
|
||||
|
||||
//full.swap(empty)
|
||||
{
|
||||
node_alloc_t::reset_count();
|
||||
node_t::reset_count();
|
||||
|
||||
node_handle_set_t nh_from;
|
||||
BOOST_TEST(nh_from.empty());
|
||||
BOOST_TEST(node_t::count == 0);
|
||||
BOOST_TEST(node_alloc_t::count == 0);
|
||||
|
||||
node_t *const to_ptr = new node_t;
|
||||
node_handle_set_t nh_to(to_ptr, node_alloc_t());
|
||||
BOOST_TEST(node_t::count == 1);
|
||||
BOOST_TEST(node_alloc_t::count == 1);
|
||||
|
||||
nh_to.swap(nh_from);
|
||||
|
||||
BOOST_TEST(!nh_from.empty());
|
||||
BOOST_TEST(nh_from.node_alloc().m_state == MoveConstructed);
|
||||
BOOST_TEST(nh_from.get() == to_ptr);
|
||||
BOOST_TEST(nh_to.empty());
|
||||
|
||||
BOOST_TEST(node_t::count == 1);
|
||||
BOOST_TEST(node_alloc_t::count == 1);
|
||||
}
|
||||
|
||||
//full.swap(full)
|
||||
{
|
||||
node_alloc_t::reset_count();
|
||||
node_t::reset_count();
|
||||
|
||||
node_t *const from_ptr = new node_t;
|
||||
node_handle_set_t nh_from(from_ptr, node_alloc_t());
|
||||
BOOST_TEST(node_t::count == 1);
|
||||
BOOST_TEST(node_alloc_t::count == 1);
|
||||
|
||||
node_t *const to_ptr = new node_t;
|
||||
node_handle_set_t nh_to(to_ptr, node_alloc_t());
|
||||
BOOST_TEST(node_t::count == 2);
|
||||
BOOST_TEST(node_alloc_t::count == 2);
|
||||
|
||||
nh_to.swap(nh_from);
|
||||
|
||||
BOOST_TEST(!nh_from.empty());
|
||||
BOOST_TEST(nh_from.get() == to_ptr);
|
||||
BOOST_TEST(nh_from.node_alloc().m_state == Swapped);
|
||||
|
||||
BOOST_TEST(!nh_to.empty());
|
||||
BOOST_TEST(nh_to.get() == from_ptr);
|
||||
BOOST_TEST(nh_to.node_alloc().m_state == Swapped);
|
||||
|
||||
BOOST_TEST(node_t::count == 2);
|
||||
BOOST_TEST(node_alloc_t::count == 2);
|
||||
}
|
||||
}
|
||||
|
||||
void test_get_release()
|
||||
{
|
||||
//get()
|
||||
{
|
||||
node_alloc_t::reset_count();
|
||||
node_t::reset_count();
|
||||
|
||||
node_t *const ptr = new node_t;
|
||||
const node_handle_set_t nh(ptr, node_alloc_t());
|
||||
BOOST_TEST(node_t::count == 1);
|
||||
BOOST_TEST(node_alloc_t::count == 1);
|
||||
|
||||
BOOST_TEST(nh.get() == ptr);
|
||||
BOOST_TEST(!nh.empty());
|
||||
BOOST_TEST(node_t::count == 1);
|
||||
BOOST_TEST(node_alloc_t::count == 1);
|
||||
}
|
||||
BOOST_TEST(node_t::count == 0);
|
||||
BOOST_TEST(node_alloc_t::count == 0);
|
||||
|
||||
//release()
|
||||
{
|
||||
node_alloc_t::reset_count();
|
||||
node_t::reset_count();
|
||||
|
||||
node_t *const ptr = new node_t;
|
||||
node_handle_set_t nh(ptr, node_alloc_t());
|
||||
BOOST_TEST(node_t::count == 1);
|
||||
BOOST_TEST(node_alloc_t::count == 1);
|
||||
|
||||
BOOST_TEST(nh.release() == ptr);
|
||||
BOOST_TEST(nh.empty());
|
||||
BOOST_TEST(node_t::count == 1);
|
||||
BOOST_TEST(node_alloc_t::count == 0);
|
||||
delete ptr;
|
||||
}
|
||||
BOOST_TEST(node_t::count == 0);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test_types();
|
||||
test_default_constructor();
|
||||
test_arg_constructor();
|
||||
test_move_constructor();
|
||||
test_related_constructor();
|
||||
test_move_assignment();
|
||||
test_value_key_mapped();
|
||||
test_get_allocator();
|
||||
test_bool_conversion_empty();
|
||||
test_swap();
|
||||
test_get_release();
|
||||
return ::boost::report_errors();
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user