libcruft-util/test/alloc/easy.cpp

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#include "alloc/easy.hpp"
#include "alloc/linear.hpp"
#include "buffer/simple.hpp"
#include "tap.hpp"
#include <cstdlib>
///////////////////////////////////////////////////////////////////////////////
struct setter {
setter (const setter&) = delete;
setter (bool &_target):
target (_target)
{ target = false; }
~setter ()
{ target = true; }
bool &target;
};
///////////////////////////////////////////////////////////////////////////////
int main ()
{
static constexpr std::size_t elements = 4096;
cruft::buffer::simple buf (elements);
cruft::alloc::easy::owned <
cruft::alloc::linear,
cruft::buffer::simple
> alloc (
std::move (buf)
);
cruft::TAP::logger tap;
bool flag = true;
// double check our testing object is working, because I'm tired and stupid
{
setter val (flag);
CHECK (!flag);
}
CHECK (flag);
// ensure manual acquire and release calls constructors and destructors
{
auto obj = alloc.acquire<setter> (flag);
tap.expect_eq (flag, false, "backed::acquire calls constructor");
alloc.release (obj);
tap.expect_eq (flag, true, "backed::release calls destructor");
}
// ensure unique_ptr like objects call constructors and destructors
{
auto obj = alloc.unique<setter> (flag);
tap.expect_eq (flag, false, "backed::unique acquire calls constructor");
}
tap.expect_eq (flag, true, "backed::unique release calls destructor");
return tap.status ();
}