feedc0de/boost_smart_ptr
1
0
Fork 0
forked from boostorg/smart_ptr
Code Pull Requests Activity

More tests added.

Browse Source 
[SVN r16363]
This commit is contained in:
Peter Dimov
2002-11-21 13:20:46 +00:00
parent 8283ec826b
commit 2e53e2e5d7
1 changed files with 295 additions and 151 deletions
Download Patch File Download Diff File Expand all files Collapse all files

446
shared_ptr_test.cpp
View File

@ -356,10 +356,10 @@ void deleter2(int * p)
struct deleter3 struct deleter3
{ {
void operator()(incomplete * p) void operator()(incomplete * p)
{ {
BOOST_TEST(p == 0); BOOST_TEST(p == 0);
} }
}; };
// Borland C++ 5.5.1 fails on static_cast<incomplete*>(0) // Borland C++ 5.5.1 fails on static_cast<incomplete*>(0)
@ -706,8 +706,29 @@ void copy_constructor()
void weak_ptr_constructor() void weak_ptr_constructor()
{ {
boost::shared_ptr<Y> p(new Y); {
boost::weak_ptr<Y> wp;
try
{
boost::shared_ptr<Y> p2(wp);
BOOST_ERROR("shared_ptr<Y> p2(wp) failed to throw");
}
catch(boost::bad_weak_ptr)
{
}
try
{
boost::shared_ptr<X> p3(wp);
BOOST_ERROR("shared_ptr<X> p3(wp) failed to throw");
}
catch(boost::bad_weak_ptr)
{
}
}
boost::shared_ptr<Y> p(new Y);
boost::weak_ptr<Y> wp(p); boost::weak_ptr<Y> wp(p);
{ {
@ -1110,323 +1131,323 @@ long Y::instances = 0;
void copy_assignment() void copy_assignment()
{ {
{ {
boost::shared_ptr<incomplete> p1; boost::shared_ptr<incomplete> p1;
p1 = p1; p1 = p1;
BOOST_TEST(p1 == p1); BOOST_TEST(p1 == p1);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
boost::shared_ptr<incomplete> p2; boost::shared_ptr<incomplete> p2;
p1 = p2; p1 = p2;
BOOST_TEST(p1 == p2); BOOST_TEST(p1 == p2);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
boost::shared_ptr<incomplete> p3(p1); boost::shared_ptr<incomplete> p3(p1);
p1 = p3; p1 = p3;
BOOST_TEST(p1 == p3); BOOST_TEST(p1 == p3);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
} }
{ {
boost::shared_ptr<void> p1; boost::shared_ptr<void> p1;
p1 = p1; p1 = p1;
BOOST_TEST(p1 == p1); BOOST_TEST(p1 == p1);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
boost::shared_ptr<void> p2; boost::shared_ptr<void> p2;
p1 = p2; p1 = p2;
BOOST_TEST(p1 == p2); BOOST_TEST(p1 == p2);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
boost::shared_ptr<void> p3(p1); boost::shared_ptr<void> p3(p1);
p1 = p3; p1 = p3;
BOOST_TEST(p1 == p3); BOOST_TEST(p1 == p3);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
boost::shared_ptr<void> p4(new int); boost::shared_ptr<void> p4(new int);
BOOST_TEST(p4.use_count() == 1); BOOST_TEST(p4.use_count() == 1);
p1 = p4; p1 = p4;
BOOST_TEST(p1 == p4); BOOST_TEST(p1 == p4);
BOOST_TEST(!(p1 < p4 || p4 < p1)); BOOST_TEST(!(p1 < p4 || p4 < p1));
BOOST_TEST(p1.use_count() == 2); BOOST_TEST(p1.use_count() == 2);
BOOST_TEST(p4.use_count() == 2); BOOST_TEST(p4.use_count() == 2);
p1 = p3; p1 = p3;
BOOST_TEST(p1 == p3); BOOST_TEST(p1 == p3);
BOOST_TEST(p4.use_count() == 1); BOOST_TEST(p4.use_count() == 1);
} }
{ {
boost::shared_ptr<X> p1; boost::shared_ptr<X> p1;
p1 = p1; p1 = p1;
BOOST_TEST(p1 == p1); BOOST_TEST(p1 == p1);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
boost::shared_ptr<X> p2; boost::shared_ptr<X> p2;
p1 = p2; p1 = p2;
BOOST_TEST(p1 == p2); BOOST_TEST(p1 == p2);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
boost::shared_ptr<X> p3(p1); boost::shared_ptr<X> p3(p1);
p1 = p3; p1 = p3;
BOOST_TEST(p1 == p3); BOOST_TEST(p1 == p3);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
BOOST_TEST(X::instances == 0); BOOST_TEST(X::instances == 0);
boost::shared_ptr<X> p4(new X); boost::shared_ptr<X> p4(new X);
BOOST_TEST(X::instances == 1); BOOST_TEST(X::instances == 1);
p1 = p4; p1 = p4;
BOOST_TEST(X::instances == 1); BOOST_TEST(X::instances == 1);
BOOST_TEST(p1 == p4); BOOST_TEST(p1 == p4);
BOOST_TEST(!(p1 < p4 || p4 < p1)); BOOST_TEST(!(p1 < p4 || p4 < p1));
BOOST_TEST(p1.use_count() == 2); BOOST_TEST(p1.use_count() == 2);
p1 = p2; p1 = p2;
BOOST_TEST(p1 == p2); BOOST_TEST(p1 == p2);
BOOST_TEST(X::instances == 1); BOOST_TEST(X::instances == 1);
p4 = p3; p4 = p3;
BOOST_TEST(p4 == p3); BOOST_TEST(p4 == p3);
BOOST_TEST(X::instances == 0); BOOST_TEST(X::instances == 0);
} }
} }
void conversion_assignment() void conversion_assignment()
{ {
{ {
boost::shared_ptr<void> p1; boost::shared_ptr<void> p1;
boost::shared_ptr<incomplete> p2; boost::shared_ptr<incomplete> p2;
p1 = p2; p1 = p2;
BOOST_TEST(p1 == p2); BOOST_TEST(p1 == p2);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
boost::shared_ptr<int> p4(new int); boost::shared_ptr<int> p4(new int);
BOOST_TEST(p4.use_count() == 1); BOOST_TEST(p4.use_count() == 1);
boost::shared_ptr<void> p5(p4); boost::shared_ptr<void> p5(p4);
BOOST_TEST(p4.use_count() == 2); BOOST_TEST(p4.use_count() == 2);
p1 = p4; p1 = p4;
BOOST_TEST(p1 == p4); BOOST_TEST(p1 == p4);
BOOST_TEST(!(p1 < p5 || p5 < p1)); BOOST_TEST(!(p1 < p5 || p5 < p1));
BOOST_TEST(p1.use_count() == 3); BOOST_TEST(p1.use_count() == 3);
BOOST_TEST(p4.use_count() == 3); BOOST_TEST(p4.use_count() == 3);
p1 = p2; p1 = p2;
BOOST_TEST(p1 == p2); BOOST_TEST(p1 == p2);
BOOST_TEST(p4.use_count() == 2); BOOST_TEST(p4.use_count() == 2);
} }
{ {
boost::shared_ptr<X> p1; boost::shared_ptr<X> p1;
boost::shared_ptr<Y> p2; boost::shared_ptr<Y> p2;
p1 = p2; p1 = p2;
BOOST_TEST(p1 == p2); BOOST_TEST(p1 == p2);
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
BOOST_TEST(X::instances == 0); BOOST_TEST(X::instances == 0);
BOOST_TEST(Y::instances == 0); BOOST_TEST(Y::instances == 0);
boost::shared_ptr<Y> p4(new Y); boost::shared_ptr<Y> p4(new Y);
BOOST_TEST(X::instances == 1); BOOST_TEST(X::instances == 1);
BOOST_TEST(Y::instances == 1); BOOST_TEST(Y::instances == 1);
BOOST_TEST(p4.use_count() == 1); BOOST_TEST(p4.use_count() == 1);
boost::shared_ptr<X> p5(p4); boost::shared_ptr<X> p5(p4);
BOOST_TEST(p4.use_count() == 2); BOOST_TEST(p4.use_count() == 2);
p1 = p4; p1 = p4;
BOOST_TEST(X::instances == 1); BOOST_TEST(X::instances == 1);
BOOST_TEST(Y::instances == 1); BOOST_TEST(Y::instances == 1);
BOOST_TEST(p1 == p4); BOOST_TEST(p1 == p4);
BOOST_TEST(!(p1 < p5 || p5 < p1)); BOOST_TEST(!(p1 < p5 || p5 < p1));
BOOST_TEST(p1.use_count() == 3); BOOST_TEST(p1.use_count() == 3);
BOOST_TEST(p4.use_count() == 3); BOOST_TEST(p4.use_count() == 3);
p1 = p2; p1 = p2;
BOOST_TEST(p1 == p2); BOOST_TEST(p1 == p2);
BOOST_TEST(X::instances == 1); BOOST_TEST(X::instances == 1);
BOOST_TEST(Y::instances == 1); BOOST_TEST(Y::instances == 1);
BOOST_TEST(p4.use_count() == 2); BOOST_TEST(p4.use_count() == 2);
p4 = p2; p4 = p2;
p5 = p2; p5 = p2;
BOOST_TEST(p4 == p2); BOOST_TEST(p4 == p2);
BOOST_TEST(X::instances == 0); BOOST_TEST(X::instances == 0);
BOOST_TEST(Y::instances == 0); BOOST_TEST(Y::instances == 0);
} }
} }
void auto_ptr_assignment() void auto_ptr_assignment()
{ {
{ {
boost::shared_ptr<int> p1; boost::shared_ptr<int> p1;
std::auto_ptr<int> p2; std::auto_ptr<int> p2;
p1 = p2; p1 = p2;
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
BOOST_TEST(p1.use_count() == 1); BOOST_TEST(p1.use_count() == 1);
int * p = new int; int * p = new int;
std::auto_ptr<int> p3(p); std::auto_ptr<int> p3(p);
p1 = p3; p1 = p3;
BOOST_TEST(p1.get() == p); BOOST_TEST(p1.get() == p);
BOOST_TEST(p1.use_count() == 1); BOOST_TEST(p1.use_count() == 1);
#if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1300) #if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1300)
BOOST_TEST(p3.get() == 0); BOOST_TEST(p3.get() == 0);
#endif #endif
p1 = p2; p1 = p2;
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
BOOST_TEST(p1.use_count() == 1); BOOST_TEST(p1.use_count() == 1);
} }
{ {
boost::shared_ptr<void> p1; boost::shared_ptr<void> p1;
std::auto_ptr<int> p2; std::auto_ptr<int> p2;
p1 = p2; p1 = p2;
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
BOOST_TEST(p1.use_count() == 1); BOOST_TEST(p1.use_count() == 1);
int * p = new int; int * p = new int;
std::auto_ptr<int> p3(p); std::auto_ptr<int> p3(p);
p1 = p3; p1 = p3;
BOOST_TEST(p1.get() == p); BOOST_TEST(p1.get() == p);
BOOST_TEST(p1.use_count() == 1); BOOST_TEST(p1.use_count() == 1);
#if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1300) #if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1300)
BOOST_TEST(p3.get() == 0); BOOST_TEST(p3.get() == 0);
#endif #endif
p1 = p2; p1 = p2;
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
BOOST_TEST(p1.use_count() == 1); BOOST_TEST(p1.use_count() == 1);
} }
{ {
boost::shared_ptr<X> p1; boost::shared_ptr<X> p1;
std::auto_ptr<Y> p2; std::auto_ptr<Y> p2;
p1 = p2; p1 = p2;
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
BOOST_TEST(p1.use_count() == 1); BOOST_TEST(p1.use_count() == 1);
BOOST_TEST(X::instances == 0); BOOST_TEST(X::instances == 0);
BOOST_TEST(Y::instances == 0); BOOST_TEST(Y::instances == 0);
Y * p = new Y; Y * p = new Y;
std::auto_ptr<Y> p3(p); std::auto_ptr<Y> p3(p);
BOOST_TEST(X::instances == 1); BOOST_TEST(X::instances == 1);
BOOST_TEST(Y::instances == 1); BOOST_TEST(Y::instances == 1);
p1 = p3; p1 = p3;
BOOST_TEST(p1.get() == p); BOOST_TEST(p1.get() == p);
BOOST_TEST(p1.use_count() == 1); BOOST_TEST(p1.use_count() == 1);
BOOST_TEST(X::instances == 1); BOOST_TEST(X::instances == 1);
BOOST_TEST(Y::instances == 1); BOOST_TEST(Y::instances == 1);
#if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1300) #if !defined(BOOST_MSVC) || (BOOST_MSVC >= 1300)
BOOST_TEST(p3.get() == 0); BOOST_TEST(p3.get() == 0);
#endif #endif
p1 = p2; p1 = p2;
BOOST_TEST(p1? false: true); BOOST_TEST(p1? false: true);
BOOST_TEST(!p1); BOOST_TEST(!p1);
BOOST_TEST(p1.get() == 0); BOOST_TEST(p1.get() == 0);
BOOST_TEST(p1.use_count() == 1); BOOST_TEST(p1.use_count() == 1);
BOOST_TEST(X::instances == 0); BOOST_TEST(X::instances == 0);
BOOST_TEST(Y::instances == 0); BOOST_TEST(Y::instances == 0);
} }
} }
void test() void test()
{ {
copy_assignment(); copy_assignment();
conversion_assignment(); conversion_assignment();
auto_ptr_assignment(); auto_ptr_assignment();
} }
} // namespace n_assignment } // namespace n_assignment
@ -1448,9 +1469,9 @@ void deleter_reset()
void test() void test()
{ {
plain_reset(); plain_reset();
pointer_reset(); pointer_reset();
deleter_reset(); deleter_reset();
} }
} // namespace n_reset } // namespace n_reset
@ -1690,7 +1711,7 @@ void test()
BOOST_TEST(!(px != px)); BOOST_TEST(!(px != px));
BOOST_TEST(!(px < px)); BOOST_TEST(!(px < px));
boost::shared_ptr<X> px2; boost::shared_ptr<X> px2;
BOOST_TEST(px.get() == px2.get()); BOOST_TEST(px.get() == px2.get());
BOOST_TEST(px == px2); BOOST_TEST(px == px2);
@ -1702,7 +1723,7 @@ void test()
boost::shared_ptr<X> px; boost::shared_ptr<X> px;
boost::shared_ptr<X> px2(px); boost::shared_ptr<X> px2(px);
BOOST_TEST(px2 == px2); BOOST_TEST(px2 == px2);
BOOST_TEST(!(px2 != px2)); BOOST_TEST(!(px2 != px2));
BOOST_TEST(!(px2 < px2)); BOOST_TEST(!(px2 < px2));
@ -1716,7 +1737,7 @@ void test()
boost::shared_ptr<X> px; boost::shared_ptr<X> px;
boost::shared_ptr<X> px2(new X); boost::shared_ptr<X> px2(new X);
BOOST_TEST(px2 == px2); BOOST_TEST(px2 == px2);
BOOST_TEST(!(px2 != px2)); BOOST_TEST(!(px2 != px2));
BOOST_TEST(!(px2 < px2)); BOOST_TEST(!(px2 < px2));
@ -1742,7 +1763,7 @@ void test()
boost::shared_ptr<X> px(new X); boost::shared_ptr<X> px(new X);
boost::shared_ptr<X> px2(px); boost::shared_ptr<X> px2(px);
BOOST_TEST(px2 == px2); BOOST_TEST(px2 == px2);
BOOST_TEST(!(px2 != px2)); BOOST_TEST(!(px2 != px2));
BOOST_TEST(!(px2 < px2)); BOOST_TEST(!(px2 < px2));
@ -1767,7 +1788,7 @@ void test()
boost::shared_ptr<void> pvx(px); boost::shared_ptr<void> pvx(px);
BOOST_TEST(pvx == pvx); BOOST_TEST(pvx == pvx);
BOOST_TEST(!(pvx != pvx)); BOOST_TEST(!(pvx != pvx));
BOOST_TEST(!(pvx < pvx)); BOOST_TEST(!(pvx < pvx));
@ -1778,16 +1799,16 @@ void test()
BOOST_TEST(pvx < pvz || pvz < pvx); BOOST_TEST(pvx < pvz || pvz < pvx);
BOOST_TEST(pvy < pvz || pvz < pvy); BOOST_TEST(pvy < pvz || pvz < pvy);
BOOST_TEST(!(pvx < pvy && pvy < pvx)); BOOST_TEST(!(pvx < pvy && pvy < pvx));
BOOST_TEST(!(pvx < pvz && pvz < pvx)); BOOST_TEST(!(pvx < pvz && pvz < pvx));
BOOST_TEST(!(pvy < pvz && pvz < pvy)); BOOST_TEST(!(pvy < pvz && pvz < pvy));
} }
{ {
boost::shared_ptr<Z> pz(new Z); boost::shared_ptr<Z> pz(new Z);
boost::shared_ptr<X> px(pz); boost::shared_ptr<X> px(pz);
BOOST_TEST(px == px); BOOST_TEST(px == px);
BOOST_TEST(!(px != px)); BOOST_TEST(!(px != px));
BOOST_TEST(!(px < px)); BOOST_TEST(!(px < px));
@ -2602,9 +2623,9 @@ class X
{ {
public: public:
X() X()
{ {
} }
private: private:
@ -2639,8 +2660,131 @@ void test()
namespace n_spt_another_sp namespace n_spt_another_sp
{ {
template<class T> class another_ptr: private boost::shared_ptr<T>
{
private:
typedef boost::shared_ptr<T> base_type;
public:
explicit another_ptr(T * p = 0): base_type(p)
{
}
void reset()
{
base_type::reset();
}
T * get() const
{
return base_type::get();
}
};
class event_handler
{
public:
virtual ~event_handler() {}
virtual void begin() = 0;
virtual void handle(int event) = 0;
virtual void end() = 0;
};
int begin_called = 0;
int handle_called = 0;
int end_called = 0;
class event_handler_impl: public event_handler
{
public:
virtual void begin()
{
++begin_called;
}
virtual void handle(int event)
{
handle_called = event;
}
virtual void end()
{
++end_called;
}
};
another_ptr<event_handler> get_event_handler()
{
another_ptr<event_handler> p(new event_handler_impl);
return p;
}
boost::shared_ptr<event_handler> current_handler;
void install_event_handler(boost::shared_ptr<event_handler> p)
{
p->begin();
current_handler = p;
}
void handle_event(int event)
{
current_handler->handle(event);
}
void remove_event_handler()
{
current_handler->end();
current_handler.reset();
}
template<class P> class smart_pointer_deleter
{
private:
P p_;
public:
smart_pointer_deleter(P const & p): p_(p)
{
}
void operator()(void const *)
{
p_.reset();
}
};
void test() void test()
{ {
another_ptr<event_handler> p = get_event_handler();
boost::shared_ptr<event_handler> q(p.get(), smart_pointer_deleter< another_ptr<event_handler> >(p));
p.reset();
BOOST_TEST(begin_called == 0);
install_event_handler(q);
BOOST_TEST(begin_called == 1);
BOOST_TEST(handle_called == 0);
handle_event(17041);
BOOST_TEST(handle_called == 17041);
BOOST_TEST(end_called == 0);
remove_event_handler();
BOOST_TEST(end_called == 1);
} }
} // namespace n_spt_another_sp } // namespace n_spt_another_sp