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Changed intrusive_ref_counter to follow CRTP design.

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[SVN r85547]
This commit is contained in:
Andrey Semashev
2013-09-01 21:05:14 +00:00
parent a7d96b4762
commit 7b9354fcf3
4 changed files with 88 additions and 76 deletions
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test/intrusive_ref_counter_test.cpp
+25 -15
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@@ -38,7 +38,7 @@
namespace N1 {
class my_class :
public boost::intrusive_ref_counter
public boost::intrusive_ref_counter< my_class >
{
public:
static unsigned int destructor_count;
@@ -56,7 +56,7 @@ unsigned int my_class::destructor_count = 0;
namespace N2 {
class my_class :
public boost::basic_intrusive_ref_counter< boost::thread_unsafe_counter >
public boost::intrusive_ref_counter< my_class, boost::thread_unsafe_counter >
{
public:
static unsigned int destructor_count;
@@ -73,17 +73,18 @@ unsigned int my_class::destructor_count = 0;
namespace N3 {
struct X :
public virtual boost::intrusive_ref_counter
struct root :
public boost::intrusive_ref_counter< root >
{
virtual ~root() {}
};
} // namespace N3
namespace N4 {
struct Y :
public virtual boost::intrusive_ref_counter
struct X :
public virtual N3::root
{
};
@@ -91,9 +92,18 @@ struct Y :
namespace N5 {
struct Y :
public virtual N3::root
{
};
} // namespace N5
namespace N6 {
struct Z :
public N3::X,
public N4::Y
public N4::X,
public N5::Y
{
static unsigned int destructor_count;
@@ -105,7 +115,7 @@ struct Z :
unsigned int Z::destructor_count = 0;
} // namespace N5
} // namespace N6
int main()
@@ -130,16 +140,16 @@ int main()
// The test checks that destroying through the base class works
{
boost::intrusive_ptr< N5::Z > p1 = new N5::Z();
boost::intrusive_ptr< N6::Z > p1 = new N6::Z();
BOOST_TEST(p1->use_count() == 1);
BOOST_TEST(N5::Z::destructor_count == 0);
boost::intrusive_ptr< boost::intrusive_ref_counter > p2 = p1;
BOOST_TEST(N6::Z::destructor_count == 0);
boost::intrusive_ptr< N3::root > p2 = p1;
BOOST_TEST(p1->use_count() == 2);
BOOST_TEST(N5::Z::destructor_count == 0);
BOOST_TEST(N6::Z::destructor_count == 0);
p1 = NULL;
BOOST_TEST(N5::Z::destructor_count == 0);
BOOST_TEST(N6::Z::destructor_count == 0);
p2 = NULL;
BOOST_TEST(N5::Z::destructor_count == 1);
BOOST_TEST(N6::Z::destructor_count == 1);
}
return boost::report_errors();