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// Copyright 2021-2023, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
* @file
* @brief Generic callback collection tests.
* @author Rylie Pavlik <rylie.pavlik@collabora.com>
*/
#include "catch_amalgamated.hpp"
#include <util/u_generic_callbacks.hpp>
using xrt::auxiliary::util::GenericCallbacks;
enum class MyEvent
{
ACQUIRED = 1u << 0u,
LOST = 1u << 1u,
};
using mask_t = std::underlying_type_t<MyEvent>;
static bool
increment_userdata_int(MyEvent event, void *userdata)
{
*static_cast<int *>(userdata) += 1;
return true;
}
using callback_t = bool (*)(MyEvent event, void *userdata);
TEST_CASE("u_generic_callbacks")
{
GenericCallbacks<callback_t, MyEvent> callbacks;
// Simplest possible invoker.
auto invoker = [](MyEvent event, callback_t callback, void *userdata) { return callback(event, userdata); };
SECTION("call when empty")
{
CHECK(0 == callbacks.invokeCallbacks(MyEvent::ACQUIRED, invoker));
CHECK(0 == callbacks.invokeCallbacks(MyEvent::LOST, invoker));
CHECK(0 == callbacks.removeCallback(&increment_userdata_int, (mask_t)MyEvent::LOST, nullptr));
}
SECTION("same function, different mask and userdata")
{
int numAcquired = 0;
int numLost = 0;
REQUIRE_NOTHROW(callbacks.addCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numAcquired));
REQUIRE_NOTHROW(callbacks.addCallback(increment_userdata_int, (mask_t)MyEvent::LOST, &numLost));
SECTION("contains")
{
CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::LOST, &numLost));
CHECK_FALSE(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::LOST, &numAcquired));
}
SECTION("removal matching")
{
CHECK(0 ==
callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::LOST, &numAcquired));
CHECK(0 ==
callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numLost));
}
SECTION("duplicates, contains, and removal")
{
REQUIRE(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numAcquired));
REQUIRE_NOTHROW(
callbacks.addCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numAcquired));
CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numAcquired));
// Now we have two ACQUIRED and one LOST callback.
SECTION("max_remove")
{
CHECK(0 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired, 0, 0));
CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired));
CHECK(1 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired, 0, 1));
CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired));
// LOST callback should still be there to remove
CHECK(1 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::LOST,
&numLost));
}
SECTION("large max_remove")
{
CHECK(2 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired, 0, 3));
CHECK_FALSE(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired));
// LOST callback should still be there to remove
CHECK(1 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::LOST,
&numLost));
}
SECTION("num_skip")
{
CHECK(0 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired, 3));
CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired));
CHECK(1 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired, 1));
CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired));
// LOST callback should still be there to remove
CHECK(1 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::LOST,
&numLost));
}
SECTION("invoke acquired")
{
CHECK(2 == callbacks.invokeCallbacks(MyEvent::ACQUIRED, invoker));
CHECK(2 == numAcquired);
CHECK(0 == numLost);
{
INFO("should have removed themselves");
CHECK_FALSE(callbacks.contains(increment_userdata_int,
(mask_t)MyEvent::ACQUIRED, &numAcquired));
}
{
INFO("LOST callbacks should still be there");
CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::LOST,
&numLost));
CHECK(1 == callbacks.removeCallback(increment_userdata_int,
(mask_t)MyEvent::LOST, &numLost));
}
}
SECTION("invoke lost")
{
CHECK(1 == callbacks.invokeCallbacks(MyEvent::LOST, invoker));
CHECK(0 == numAcquired);
CHECK(1 == numLost);
{
INFO("should have removed themselves");
CHECK_FALSE(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::LOST,
&numLost));
}
{
INFO("ACQUIRED callbacks should still be there");
CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
&numAcquired));
CHECK(2 == callbacks.removeCallback(increment_userdata_int,
(mask_t)MyEvent::ACQUIRED, &numAcquired));
}
}
}
}
}
enum MyCEvent
{
MY_C_EVENT_ACQUIRE = 1u << 0u,
MY_C_EVENT_LOST = 1u << 1u,
};
using c_callback_type = bool (*)(MyCEvent event, void *userdata);
TEST_CASE("u_generic_callbacks-C")
{
GenericCallbacks<c_callback_type, MyCEvent> callbacks;
}
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