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#ifndef BOOST_TEST_DYN_LINK
#define BOOST_TEST_DYN_LINK
#endif
#define BOOST_TEST_NO_MAIN
#include <boost/test/unit_test.hpp>
#include "channel.hh"
struct MyObject
{
uint64_t a{0};
};
BOOST_AUTO_TEST_SUITE(test_channel)
BOOST_AUTO_TEST_CASE(test_object_queue)
{
auto [sender, receiver] = pdns::channel::createObjectQueue<MyObject>();
BOOST_CHECK(receiver.getDescriptor() != -1);
BOOST_CHECK_EQUAL(receiver.isClosed(), false);
auto got = receiver.receive();
BOOST_CHECK(!got);
auto obj = std::make_unique<MyObject>();
obj->a = 42U;
BOOST_CHECK_EQUAL(sender.send(std::move(obj)), true);
BOOST_CHECK(!obj);
got = receiver.receive();
BOOST_CHECK(got != std::nullopt && *got);
BOOST_CHECK_EQUAL((*got)->a, 42U);
}
BOOST_AUTO_TEST_CASE(test_object_queue_full)
{
auto [sender, receiver] = pdns::channel::createObjectQueue<MyObject>();
{
auto got = receiver.receive();
BOOST_CHECK(!got);
}
/* add objects to the queue until it becomes full */
bool blocked = false;
size_t queued = 0;
while (!blocked) {
auto obj = std::make_unique<MyObject>();
obj->a = 42U;
blocked = !sender.send(std::move(obj));
if (blocked) {
BOOST_CHECK(obj);
}
else {
BOOST_CHECK(!obj);
++queued;
}
}
BOOST_CHECK_GT(queued, 1U);
/* clear the queue */
blocked = false;
size_t received = 0;
while (!blocked) {
auto got = receiver.receive();
if (got) {
++received;
}
else {
blocked = true;
}
}
BOOST_CHECK_EQUAL(queued, received);
/* we should be able to write again */
auto obj = std::make_unique<MyObject>();
obj->a = 42U;
BOOST_CHECK(sender.send(std::move(obj)));
/* and to get it */
{
auto got = receiver.receive();
BOOST_CHECK(got);
}
}
BOOST_AUTO_TEST_CASE(test_object_queue_throw_on_eof)
{
auto [sender, receiver] = pdns::channel::createObjectQueue<MyObject>();
sender.close();
BOOST_CHECK_THROW(receiver.receive(), std::runtime_error);
BOOST_CHECK_EQUAL(receiver.isClosed(), true);
}
BOOST_AUTO_TEST_CASE(test_object_queue_do_not_throw_on_eof)
{
auto [sender, receiver] = pdns::channel::createObjectQueue<MyObject>(pdns::channel::SenderBlockingMode::SenderNonBlocking, pdns::channel::ReceiverBlockingMode::ReceiverNonBlocking, 0U, false);
sender.close();
auto got = receiver.receive();
BOOST_CHECK(got == std::nullopt);
BOOST_CHECK_EQUAL(receiver.isClosed(), true);
}
BOOST_AUTO_TEST_CASE(test_notification_queue_full)
{
auto [notifier, waiter] = pdns::channel::createNotificationQueue();
BOOST_CHECK(waiter.getDescriptor() != -1);
BOOST_CHECK_EQUAL(waiter.isClosed(), false);
waiter.clear();
/* add notifications until the queue becomes full */
bool blocked = false;
while (!blocked) {
blocked = notifier.notify();
}
/* clear the queue */
waiter.clear();
/* we should be able to write again */
BOOST_CHECK(notifier.notify());
}
BOOST_AUTO_TEST_CASE(test_notification_queue_throw_on_eof)
{
auto [notifier, waiter] = pdns::channel::createNotificationQueue();
BOOST_CHECK(waiter.getDescriptor() != -1);
BOOST_CHECK_EQUAL(waiter.isClosed(), false);
BOOST_CHECK_EQUAL(notifier.notify(), true);
waiter.clear();
notifier = pdns::channel::Notifier();
BOOST_CHECK_THROW(waiter.clear(), std::runtime_error);
}
BOOST_AUTO_TEST_CASE(test_notification_queue_do_not_throw_on_eof)
{
auto [notifier, waiter] = pdns::channel::createNotificationQueue(true, 0, false);
BOOST_CHECK(waiter.getDescriptor() != -1);
BOOST_CHECK_EQUAL(waiter.isClosed(), false);
BOOST_CHECK_EQUAL(notifier.notify(), true);
waiter.clear();
notifier = pdns::channel::Notifier();
waiter.clear();
BOOST_CHECK_EQUAL(waiter.isClosed(), true);
}
BOOST_AUTO_TEST_SUITE_END()
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