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[test/misc] Updated RC test (test/misc/rc.cpp) to test weak pointers.

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This commit is contained in:
James Yonan 2015-05-26 17:12:38 -06:00 committed by Frank Lichtenheld
parent 0462dd2a77
commit d911ef260e
1 changed files with 69 additions and 6 deletions
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75
test/misc/rc.cpp
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@ -1,4 +1,5 @@
#include <iostream>
#include <string>
#include <openvpn/log/logsimple.hpp>
#include <openvpn/common/size.hpp>
@ -8,28 +9,90 @@
using namespace openvpn;
class Test : public RC<thread_safe_refcount>
class Test : public RCWeak<thread_safe_refcount>
{
public:
typedef RCPtr<Test> Ptr;
typedef RCWeakPtr<Test> WPtr;
Test()
: name("Test")
{
OPENVPN_LOG("Test()");
OPENVPN_LOG(name << "()");
}
~Test()
{
OPENVPN_LOG("~Test()");
OPENVPN_LOG("~" << name << "()");
}
void go(const char *title)
{
OPENVPN_LOG(title << ": " << name);
}
std::string name;
};
int main(int /*argc*/, char* /*argv*/[])
{
try {
Test::Ptr t1 = new Test();
Test::Ptr t2(t1);
Test::Ptr t3(t2);
{
OPENVPN_LOG("TEST1");
Test::Ptr t1 = new Test();
Test::Ptr t2(t1);
Test::Ptr t3(t2);
}
{
OPENVPN_LOG("TEST2");
Test::WPtr w1z;
Test::WPtr w2z;
{
Test::Ptr t1 = new Test();
Test::WPtr w1 = t1;
RCWeakPtr<Test::WPtr::element_type> w2 = t1.get();
w1z.reset(t1);
w2z.reset(t1.get());
Test::Ptr t1a = w1.lock();
Test::Ptr t2a = w2.lock();
t1a->go("t1a");
t2a->go("t2a");
t1a = w1z.lock();
t2a = w2z.lock();
t1a->go("t1b");
t2a->go("t2b");
Test::WPtr z;
z.swap(w1);
Test::Ptr tz = z.lock();
tz->go("tz");
tz = w1.lock();
if (tz)
OPENVPN_LOG("BUG ALERT #1");
z.reset();
tz = z.lock();
if (tz)
OPENVPN_LOG("BUG ALERT #2");
OPENVPN_LOG("w1z=" << w1z.use_count() << " w2z=" << w2z.use_count());
}
Test::Ptr x = w1z.lock();
Test::Ptr y = w2z.lock();
if (x || y || !w1z.expired() || !w2z.expired())
OPENVPN_LOG("BUG ALERT #3");
else
OPENVPN_LOG("OK!");
w1z = w2z;
}
}
catch (const std::exception& e)
{