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/**
* @file
*
* This program checks if the compiler / platform supports the
* std::auto_ptr<> correctly. The motivation for this test was a discussion
* on the development mailing list, and the documentation was captured
* in:
*
* http://bugzilla.dre.vanderbilt.edu/show_bug.cgi?id=3715
*/
#include "test_config.h"
// The first part of the test is to compile this line. If the program
// does not compile the platform is just too broken.
#include <memory>
#include <utility>
// For extra challenge, we use the anonymous namespace
namespace
{
/**
* @class Base
*/
class Base
{
public:
Base()
{
constructors++;
}
Base(Base const & )
{
constructors++;
}
~Base()
{
destructors++;
}
static int constructors;
static int destructors;
};
int Base::constructors = 0;
int Base::destructors = 0;
class Derived : public Base
{
public:
Derived()
: Base()
{}
};
}
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT("Compiler_Features_09_Test"));
// As usual, the exit status from the test is 0 on success, 1 on
// failure
int status = 0;
// ... this works with the ACE version of auto_ptr (well, the
// namespace is broken, but you get the idea) ...
std::unique_ptr<Base> x(new Base);
std::unique_ptr<Derived> y(new Derived);
// ... with a compliant implementation of std::auto_ptr<> you should be
// able to write:
// x = y;
// but the Solaris compiler was broken as of August, 2009!! So you have
// to work around in the following way. This compiler is important
// enough for the ACE community, so we have to support this broken
// configuration ...
x.reset(y.release());
// ... there should be just one destruction so far ...
if (Base::destructors != 1)
{
status = 1;
ACE_ERROR((LM_ERROR,
ACE_TEXT("Destructor count off, expected 1, found %d\n"),
Base::destructors));
}
std::unique_ptr<Base> z;
z = std::move(x);
if (Base::destructors != 1)
{
status = 1;
ACE_ERROR((LM_ERROR,
ACE_TEXT("Destructor count off, expected 1, found %d\n"),
Base::destructors));
}
if (x.get())
{
status = 1;
ACE_ERROR((LM_ERROR,
ACE_TEXT("x contents should have been transferred\n")
));
}
ACE_END_TEST;
return status;
}
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