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-rw-r--r--src/boost/libs/interprocess/test/shared_ptr_test.cpp615
1 files changed, 615 insertions, 0 deletions
diff --git a/src/boost/libs/interprocess/test/shared_ptr_test.cpp b/src/boost/libs/interprocess/test/shared_ptr_test.cpp
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+++ b/src/boost/libs/interprocess/test/shared_ptr_test.cpp
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+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Peter Dimov 2002-2005, 2007.
+// (C) Copyright Ion Gaztanaga 2006-2012.
+// 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)
+//
+// See http://www.boost.org/libs/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/offset_ptr.hpp>
+#include <boost/interprocess/smart_ptr/shared_ptr.hpp>
+#include <boost/interprocess/smart_ptr/weak_ptr.hpp>
+#include <boost/interprocess/smart_ptr/enable_shared_from_this.hpp>
+#include <boost/interprocess/managed_shared_memory.hpp>
+#include <boost/interprocess/allocators/allocator.hpp>
+#include <boost/interprocess/containers/string.hpp>
+#include <boost/interprocess/containers/vector.hpp>
+#include <boost/interprocess/smart_ptr/deleter.hpp>
+#include <boost/interprocess/smart_ptr/scoped_ptr.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <string>
+#include "get_process_id_name.hpp"
+
+
+#include <boost/interprocess/sync/upgradable_lock.hpp>
+#include <boost/interprocess/sync/interprocess_upgradable_mutex.hpp>
+
+using namespace boost::interprocess;
+
+class base_class
+{
+ public:
+ virtual ~base_class()
+ {}
+};
+
+class derived_class
+ : public base_class
+{
+ public:
+ virtual ~derived_class()
+ {}
+};
+
+int simple_test()
+{
+ typedef managed_shared_memory::segment_manager segment_mngr_t;
+ typedef allocator<base_class, segment_mngr_t> base_class_allocator;
+ typedef deleter<base_class, segment_mngr_t> base_deleter_t;
+ typedef shared_ptr<base_class, base_class_allocator, base_deleter_t> base_shared_ptr;
+
+ std::string process_name;
+ test::get_process_id_name(process_name);
+
+ shared_memory_object::remove(process_name.c_str());
+ {
+ managed_shared_memory shmem(create_only, process_name.c_str(), 10000);
+
+ {
+ base_shared_ptr s_ptr(base_shared_ptr::pointer(0),
+ base_class_allocator(shmem.get_segment_manager()),
+ base_deleter_t(shmem.get_segment_manager()));
+
+ base_shared_ptr s_ptr2(shmem.construct<base_class>("base_class")(),
+ base_class_allocator(shmem.get_segment_manager()),
+ base_deleter_t(shmem.get_segment_manager()));
+
+ base_shared_ptr s_ptr3(offset_ptr<derived_class>(shmem.construct<derived_class>("derived_class")()),
+ base_class_allocator(shmem.get_segment_manager()),
+ base_deleter_t(shmem.get_segment_manager()));
+
+ if(s_ptr3.get_deleter() == 0){
+ return 1;
+ }
+ //if(s_ptr3.get_allocator() == 0){
+ //return 1;
+ //}
+
+ base_shared_ptr s_ptr_empty;
+
+ if(s_ptr_empty.get_deleter() != 0){
+ return 1;
+ }
+ //if(s_ptr_empty.get_allocator() != 0){
+ //return 1;
+ //}
+ }
+ }
+ shared_memory_object::remove(process_name.c_str());
+ return 0;
+}
+
+int string_shared_ptr_vector_insertion_test()
+{
+ typedef managed_shared_memory::segment_manager segment_mngr_t;
+
+ //Allocator of chars
+ typedef allocator<char, segment_mngr_t> char_allocator_t;
+
+ //A shared memory string class
+ typedef basic_string<char, std::char_traits<char>, char_allocator_t> string_t;
+
+ //A shared memory string allocator
+ typedef allocator<string_t, segment_mngr_t> string_allocator_t;
+
+ //A deleter for shared_ptr<> that erases a shared memory string
+ typedef deleter<string_t, segment_mngr_t> string_deleter_t;
+
+ //A shared pointer that points to a shared memory string and its instantiation
+ typedef shared_ptr<string_t, string_allocator_t, string_deleter_t> string_shared_ptr_t;
+
+ //An allocator for shared pointers to a string in shared memory
+ typedef allocator<string_shared_ptr_t, segment_mngr_t> string_shared_ptr_allocator_t;
+
+ //A weak pointer that points to a shared memory string and its instantiation
+ typedef weak_ptr<string_t, string_allocator_t, string_deleter_t> string_weak_ptr_t;
+
+ //An allocator for weak pointers to a string in shared memory
+ typedef allocator<string_weak_ptr_t, segment_mngr_t > string_weak_ptr_allocator_t;
+
+ //A vector of shared pointers to strings (all in shared memory) and its instantiation
+ typedef vector<string_shared_ptr_t, string_shared_ptr_allocator_t>
+ string_shared_ptr_vector_t;
+
+ //A vector of weak pointers to strings (all in shared memory) and its instantiation
+ typedef vector<string_weak_ptr_t, string_weak_ptr_allocator_t>
+ string_weak_ptr_vector_t;
+
+ std::string process_name;
+ test::get_process_id_name(process_name);
+
+ //A shared memory managed memory classes
+ shared_memory_object::remove(process_name.c_str());
+ {
+ managed_shared_memory shmem(create_only, process_name.c_str(), 20000);
+
+ {
+ const int NumElements = 100;
+ //Construct the allocator of strings
+ string_allocator_t string_allocator(shmem.get_segment_manager());
+ //Construct the allocator of a shared_ptr to string
+ string_shared_ptr_allocator_t string_shared_ptr_allocator(shmem.get_segment_manager());
+ //Construct the allocator of a shared_ptr to string
+ string_weak_ptr_allocator_t string_weak_ptr_allocator(shmem.get_segment_manager());
+ //This is a string deleter using destroy_ptr() function of the managed_shared_memory
+ string_deleter_t deleter(shmem.get_segment_manager());
+ //Create a string in shared memory, to avoid leaks with exceptions use
+ //scoped ptr until we store this pointer in the shared ptr
+ scoped_ptr<string_t, string_deleter_t> scoped_string
+ (shmem.construct<string_t>(anonymous_instance)(string_allocator), deleter);
+ //Now construct a shared pointer to a string
+ string_shared_ptr_t string_shared_ptr (scoped_string.get(),
+ string_shared_ptr_allocator,
+ deleter);
+ //Check use count is just one
+ if(!string_shared_ptr.unique()){
+ return 1;
+ }
+ //We don't need the scoped_ptr anonymous since the raw pointer is in the shared ptr
+ scoped_string.release();
+ //Now fill a shared memory vector of shared_ptrs to a string
+ string_shared_ptr_vector_t my_sharedptr_vector(string_shared_ptr_allocator);
+ my_sharedptr_vector.insert(my_sharedptr_vector.begin(), NumElements, string_shared_ptr);
+ //Insert in the middle to test movability
+ my_sharedptr_vector.insert(my_sharedptr_vector.begin() + my_sharedptr_vector.size()/2, NumElements, string_shared_ptr);
+ //Now check the shared count is the objects contained in the
+ //vector plus string_shared_ptr
+ if(string_shared_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size()+1)){
+ return 1;
+ }
+ //Now create a weak ptr from the shared_ptr
+ string_weak_ptr_t string_weak_ptr (string_shared_ptr);
+ //Use count should remain the same
+ if(string_weak_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size()+1)){
+ return 1;
+ }
+ //Now reset the local shared_ptr and check use count
+ string_shared_ptr.reset();
+ if(string_weak_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size())){
+ return 1;
+ }
+ //Now reset the local shared_ptr's use count should be zero
+ if(string_shared_ptr.use_count() != 0){
+ return 1;
+ }
+ //Now recreate the shared ptr from the weak ptr
+ //and recheck use count
+ string_shared_ptr = string_shared_ptr_t(string_weak_ptr);
+ if(string_shared_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size()+1)){
+ return 1;
+ }
+ //Now fill a vector of weak_ptr-s
+ string_weak_ptr_vector_t my_weakptr_vector(string_weak_ptr_allocator);
+ my_weakptr_vector.insert(my_weakptr_vector.begin(), NumElements, string_weak_ptr);
+ //The shared count should remain the same
+ if(string_shared_ptr.use_count() != static_cast<long>(my_sharedptr_vector.size()+1)){
+ return 1;
+ }
+ //So weak pointers should be fine
+ string_weak_ptr_vector_t::iterator beg = my_weakptr_vector.begin(),
+ end = my_weakptr_vector.end();
+ for(;beg != end; ++beg){
+ if(beg->expired()){
+ return 1;
+ }
+ //The shared pointer constructed from weak ptr should
+ //be the same as the original, since all weak pointer
+ //point the the same object
+ if(string_shared_ptr_t(*beg) != string_shared_ptr){
+ return 1;
+ }
+ }
+ //Now destroy all the shared ptr-s of the shared ptr vector
+ my_sharedptr_vector.clear();
+ //The only alive shared ptr should be the local one
+ if(string_shared_ptr.use_count() != 1){
+ return 1;
+ }
+ //Now we invalidate the last alive shared_ptr
+ string_shared_ptr.reset();
+ //Now all weak pointers should have expired
+ beg = my_weakptr_vector.begin();
+ end = my_weakptr_vector.end();
+ for(;beg != end; ++beg){
+ if(!beg->expired()){
+ return 1;
+ }
+ bool success = false;
+ //Now this should throw
+ try{
+ string_shared_ptr_t dummy(*beg);
+ //We should never reach here
+ return 1;
+ }
+ catch(const boost::interprocess::bad_weak_ptr &){
+ success = true;
+ }
+ if(!success){
+ return 1;
+ }
+ }
+ //Clear weak ptr vector
+ my_weakptr_vector.clear();
+ //Now lock returned shared ptr should return null
+ if(string_weak_ptr.lock().get()){
+ return 1;
+ }
+ //Reset weak_ptr
+ string_weak_ptr.reset();
+ }
+ }
+ shared_memory_object::remove(process_name.c_str());
+ return 0;
+}
+
+//
+// This part is taken from shared_ptr_basic_test.cpp
+//
+// Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
+// Copyright (c) 2006 Ion Gaztanaga
+//
+// 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)
+//
+
+static int cnt = 0;
+
+struct X
+{
+ X(){ ++cnt; }
+ // virtual destructor deliberately omitted
+ virtual ~X(){ --cnt; }
+
+ virtual int id() const
+ { return 1; }
+
+ private:
+ X(X const &);
+ X & operator= (X const &);
+};
+
+struct Y: public X
+{
+ Y(){ ++cnt; }
+ virtual ~Y(){ --cnt; }
+
+ virtual int id() const
+ { return 2; }
+
+ private:
+ Y(Y const &);
+ Y & operator= (Y const &);
+};
+
+int * get_object()
+{ ++cnt; return &cnt; }
+
+void release_object(int * p)
+{ BOOST_TEST(p == &cnt); --cnt; }
+
+template<class T, class A, class D>
+void test_is_X(shared_ptr<T, A, D> const & p)
+{
+ BOOST_TEST(p->id() == 1);
+ BOOST_TEST((*p).id() == 1);
+}
+
+template<class T, class A, class D>
+void test_is_X(weak_ptr<T, A, D> const & p)
+{
+ BOOST_TEST(p.get() != 0);
+ BOOST_TEST(p.get()->id() == 1);
+}
+
+template<class T, class A, class D>
+void test_is_Y(shared_ptr<T, A, D> const & p)
+{
+ BOOST_TEST(p->id() == 2);
+ BOOST_TEST((*p).id() == 2);
+}
+
+template<class T, class A, class D>
+void test_is_Y(weak_ptr<T, A, D> const & p)
+{
+ shared_ptr<T, A, D> q = p.lock();
+ BOOST_TEST(q.get() != 0);
+ BOOST_TEST(q->id() == 2);
+}
+
+template<class T, class T2>
+void test_eq(T const & a, T2 const & b)
+{
+ BOOST_TEST(a == b);
+ BOOST_TEST(!(a != b));
+ BOOST_TEST(!(a < b));
+ BOOST_TEST(!(b < a));
+}
+
+template<class T, class T2>
+void test_ne(T const & a, T2 const & b)
+{
+ BOOST_TEST(!(a == b));
+ BOOST_TEST(a != b);
+ BOOST_TEST(a < b || b < a);
+ BOOST_TEST(!(a < b && b < a));
+}
+
+template<class T, class U, class A, class D, class D2>
+void test_shared(weak_ptr<T, A, D> const & a, weak_ptr<U, A, D2> const & b)
+{
+ BOOST_TEST(!(a < b));
+ BOOST_TEST(!(b < a));
+}
+
+template<class T, class U, class A, class D, class D2>
+void test_nonshared(weak_ptr<T, A, D> const & a, weak_ptr<U, A, D2> const & b)
+{
+ BOOST_TEST(a < b || b < a);
+ BOOST_TEST(!(a < b && b < a));
+}
+
+template<class T, class U>
+void test_eq2(T const & a, U const & b)
+{
+ BOOST_TEST(a == b);
+ BOOST_TEST(!(a != b));
+}
+
+template<class T, class U>
+void test_ne2(T const & a, U const & b)
+{
+ BOOST_TEST(!(a == b));
+ BOOST_TEST(a != b);
+}
+
+template<class T, class A, class D>
+void test_is_zero(shared_ptr<T, A, D> const & p)
+{
+ BOOST_TEST(!p);
+ BOOST_TEST(p.get() == 0);
+}
+
+template<class T, class A, class D>
+void test_is_nonzero(shared_ptr<T, A, D> const & p)
+{
+ // p? true: false is used to test p in a boolean context.
+ // BOOST_TEST(p) is not guaranteed to test the conversion,
+ // as the macro might test !!p instead.
+ BOOST_TEST(p? true: false);
+ BOOST_TEST(p.get() != 0);
+}
+
+int basic_shared_ptr_test()
+{
+ typedef managed_shared_memory::segment_manager segment_mngr_t;
+ typedef allocator<void, segment_mngr_t> v_allocator_t;
+ typedef deleter<X, segment_mngr_t> x_deleter_t;
+ typedef deleter<Y, segment_mngr_t> y_deleter_t;
+ typedef shared_ptr<X, v_allocator_t, x_deleter_t> x_shared_ptr;
+ typedef shared_ptr<Y, v_allocator_t, y_deleter_t> y_shared_ptr;
+ typedef weak_ptr<X, v_allocator_t, x_deleter_t> x_weak_ptr;
+ typedef weak_ptr<Y, v_allocator_t, y_deleter_t> y_weak_ptr;
+
+ std::string process_name;
+ test::get_process_id_name(process_name);
+
+ shared_memory_object::remove(process_name.c_str());
+ {
+ managed_shared_memory shmem(create_only, process_name.c_str(), 10000);
+ {
+ v_allocator_t v_allocator (shmem.get_segment_manager());
+ x_deleter_t x_deleter (shmem.get_segment_manager());
+ y_deleter_t y_deleter (shmem.get_segment_manager());
+
+ y_shared_ptr p (shmem.construct<Y>(anonymous_instance)(), v_allocator, y_deleter);
+ x_shared_ptr p2(shmem.construct<X>(anonymous_instance)(), v_allocator, x_deleter);
+
+ test_is_nonzero(p);
+ test_is_nonzero(p2);
+ test_is_Y(p);
+ test_is_X(p2);
+ test_ne(p, p2);
+
+ {
+ shared_ptr<X, v_allocator_t, y_deleter_t> q(p);
+ test_eq(p, q);
+ }
+
+ y_shared_ptr p3 (dynamic_pointer_cast<Y>(p));
+ shared_ptr<Y, v_allocator_t, x_deleter_t> p4 (dynamic_pointer_cast<Y>(p2));
+ test_is_nonzero(p3);
+ test_is_zero(p4);
+ BOOST_TEST(p.use_count() == 2);
+ BOOST_TEST(p2.use_count() == 1);
+ BOOST_TEST(p3.use_count() == 2);
+ test_is_Y(p3);
+ test_eq2(p, p3);
+ test_ne2(p2, p4);
+
+ shared_ptr<void, v_allocator_t, y_deleter_t> p5(p);
+
+ test_is_nonzero(p5);
+ test_eq2(p, p5);
+ BOOST_TEST(p5.use_count() == 3);
+
+ x_weak_ptr wp1(p2);
+
+ BOOST_TEST(!wp1.expired());
+ BOOST_TEST(wp1.use_count() != 0);
+
+ p.reset();
+ p2.reset();
+ p3.reset();
+ p4.reset();
+
+ test_is_zero(p);
+ test_is_zero(p2);
+ test_is_zero(p3);
+ test_is_zero(p4);
+
+ BOOST_TEST(p5.use_count() == 1);
+ BOOST_TEST(wp1.expired());
+ BOOST_TEST(wp1.use_count() == 0);
+
+ try{
+ x_shared_ptr sp1(wp1);
+ BOOST_ERROR("shared_ptr<X, A, D> sp1(wp1) failed to throw");
+ }
+ catch(boost::interprocess::bad_weak_ptr const &)
+ {}
+
+ test_is_zero(wp1.lock());
+
+ weak_ptr<X, v_allocator_t, y_deleter_t> wp2 = static_pointer_cast<X>(p5);
+
+ BOOST_TEST(wp2.use_count() == 1);
+ test_is_Y(wp2);
+ test_nonshared(wp1, wp2);
+
+ // Scoped to not affect the subsequent use_count() tests.
+ {
+ shared_ptr<X, v_allocator_t, y_deleter_t> sp2(wp2);
+ test_is_nonzero(wp2.lock());
+ }
+
+ y_weak_ptr wp3 = dynamic_pointer_cast<Y>(wp2.lock());
+
+ BOOST_TEST(wp3.use_count() == 1);
+ test_shared(wp2, wp3);
+
+ weak_ptr<X, v_allocator_t, y_deleter_t> wp4(wp3);
+
+ BOOST_TEST(wp4.use_count() == 1);
+ test_shared(wp2, wp4);
+
+ wp1 = p2;
+ test_is_zero(wp1.lock());
+
+ wp1 = p4;
+
+ x_weak_ptr wp5;
+
+ bool b1 = wp1 < wp5;
+ bool b2 = wp5 < wp1;
+
+ y_shared_ptr p6 = static_pointer_cast<Y>(p5);
+ p5.reset();
+ p6.reset();
+
+ BOOST_TEST(wp1.use_count() == 0);
+ BOOST_TEST(wp2.use_count() == 0);
+ BOOST_TEST(wp3.use_count() == 0);
+
+ // Test operator< stability for std::set< weak_ptr<> >
+ // Thanks to Joe Gottman for pointing this out
+ BOOST_TEST(b1 == (wp1 < wp5));
+ BOOST_TEST(b2 == (wp5 < wp1));
+ }
+
+ BOOST_TEST(cnt == 0);
+ }
+ shared_memory_object::remove(process_name.c_str());
+ return boost::report_errors();
+}
+
+struct alias_tester
+{
+ int v_;
+
+ explicit alias_tester( int v ): v_( v )
+ {
+ }
+
+ ~alias_tester()
+ {
+ v_ = 0;
+ }
+};
+
+void test_alias()
+{
+ typedef managed_shared_memory::segment_manager segment_mngr_t;
+ typedef allocator<void, segment_mngr_t> v_allocator_t;
+ typedef deleter<int, segment_mngr_t> int_deleter_t;
+
+ typedef shared_ptr<int, v_allocator_t, int_deleter_t> int_shared_ptr;
+ typedef shared_ptr<const int, v_allocator_t, int_deleter_t> const_int_shared_ptr;
+
+ std::string process_name;
+ test::get_process_id_name(process_name);
+
+ shared_memory_object::remove(process_name.c_str());
+ {
+ managed_shared_memory shmem(create_only, process_name.c_str(), 10000);
+
+ {
+ int m = 0;
+ int_shared_ptr p;
+ int_shared_ptr p2( p, &m );
+
+ BOOST_TEST( ipcdetail::to_raw_pointer(p2.get()) == &m );
+ BOOST_TEST( p2? true: false );
+ BOOST_TEST( !!p2 );
+ BOOST_TEST( p2.use_count() == p.use_count() );
+ BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
+
+ p2.reset( p, static_cast<int*>(0) );
+
+ BOOST_TEST( p2.get() == 0 );
+
+ BOOST_TEST( p2? false: true );
+ BOOST_TEST( !p2 );
+ BOOST_TEST( p2.use_count() == p.use_count() );
+ BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
+ }
+
+ {
+ int m = 0;
+ int_shared_ptr p(make_managed_shared_ptr
+ (shmem.construct<int>(anonymous_instance)(), shmem));
+ const_int_shared_ptr p2( p, &m );
+
+ BOOST_TEST( ipcdetail::to_raw_pointer(p2.get()) == &m );
+ BOOST_TEST( p2? true: false );
+ BOOST_TEST( !!p2 );
+ BOOST_TEST( p2.use_count() == p.use_count() );
+ BOOST_TEST( !( p < p2 ) && !( p2 < p ) );
+ int_shared_ptr p_nothrow(make_managed_shared_ptr
+ (shmem.construct<int>(anonymous_instance)(), shmem, std::nothrow));
+ }
+ }
+ shared_memory_object::remove(process_name.c_str());
+}
+
+int main()
+{
+ if(0 != simple_test())
+ return 1;
+
+ if(0 != string_shared_ptr_vector_insertion_test())
+ return 1;
+
+ if(0 != basic_shared_ptr_test())
+ return 1;
+
+ test_alias();
+}
+
+#include <boost/interprocess/detail/config_end.hpp>
+
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