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This reverts commit b1faebae4a.
This commit is contained in:
Grant Limberg 2022-06-24 10:11:57 -07:00
parent ff8da9d246
commit c07e4a8c01
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77
ext/libpqxx-7.7.3/test/test04.cxx
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@ -1,77 +0,0 @@
#include <cerrno>
#include <chrono>
#include <cstring>
#include <ctime>
#include <pqxx/internal/header-pre.hxx>
#include <pqxx/internal/wait.hxx>
#include <pqxx/internal/header-post.hxx>
#include <pqxx/notification>
#include <pqxx/transaction>
#include <pqxx/transactor>
#include "test_helpers.hxx"
using namespace pqxx;
// Example program for libpqxx. Send notification to self.
namespace
{
int Backend_PID{0};
// Sample implementation of notification receiver.
class TestListener final : public notification_receiver
{
bool m_done;
public:
explicit TestListener(connection &conn) :
notification_receiver(conn, "listen"), m_done(false)
{}
virtual void operator()(std::string const &, int be_pid) override
{
m_done = true;
PQXX_CHECK_EQUAL(
be_pid, Backend_PID, "Notification came from wrong backend process.");
}
bool done() const { return m_done; }
};
void test_004()
{
connection conn;
TestListener L{conn};
// Trigger our notification receiver.
perform([&conn, &L] {
work tx(conn);
tx.exec0("NOTIFY " + conn.quote_name(L.channel()));
Backend_PID = conn.backendpid();
tx.commit();
});
int notifs{0};
for (int i{0}; (i < 20) and not L.done(); ++i)
{
PQXX_CHECK_EQUAL(notifs, 0, "Got unexpected notifications.");
// Sleep for one second. I'm not proud of this, but how does one inject
// a change to the built-in clock in a static language?
pqxx::internal::wait_for(1'000'000u);
notifs = conn.get_notifs();
}
PQXX_CHECK_NOT_EQUAL(L.done(), false, "No notification received.");
PQXX_CHECK_EQUAL(notifs, 1, "Got too many notifications.");
}
PQXX_REGISTER_TEST(test_004);
} // namespace