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417de87cb2
Based on the work for the Android surface callbacks, just finished being made generic since we'll need to reuse it.
105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
// Copyright 2021, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Generic callback collection tests.
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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*/
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#include "catch/catch.hpp"
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#include <util/u_generic_callbacks.hpp>
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using xrt::auxiliary::util::GenericCallbacks;
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enum class MyEvent
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{
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ACQUIRED,
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LOST,
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};
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using mask_t = std::underlying_type_t<MyEvent>;
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static bool
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increment_userdata_int(MyEvent event, void *userdata)
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{
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*static_cast<int *>(userdata) += 1;
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return true;
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}
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using callback_t = bool (*)(MyEvent event, void *userdata);
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TEST_CASE("u_generic_callbacks")
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{
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GenericCallbacks<callback_t, MyEvent> callbacks;
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// Simplest possible invoker.
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auto invoker = [](MyEvent event, callback_t callback, void *userdata) { return callback(event, userdata); };
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SECTION("call when empty")
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{
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CHECK(0 == callbacks.invokeCallbacks(MyEvent::ACQUIRED, invoker));
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CHECK(0 == callbacks.invokeCallbacks(MyEvent::LOST, invoker));
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CHECK(0 == callbacks.removeCallback(&increment_userdata_int, (mask_t)MyEvent::LOST, nullptr));
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}
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SECTION("same function, different mask and userdata")
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{
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int numAcquired = 0;
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int numLost = 0;
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REQUIRE_NOTHROW(callbacks.addCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numAcquired));
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REQUIRE_NOTHROW(callbacks.addCallback(increment_userdata_int, (mask_t)MyEvent::LOST, &numLost));
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SECTION("contains")
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{
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CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::LOST, &numLost));
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CHECK_FALSE(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::LOST, &numAcquired));
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}
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SECTION("removal matching")
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{
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CHECK(0 ==
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callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::LOST, &numAcquired));
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CHECK(0 ==
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callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numLost));
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}
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SECTION("duplicates, contains, and removal")
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{
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REQUIRE(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numAcquired));
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REQUIRE_NOTHROW(
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callbacks.addCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numAcquired));
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CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED, &numAcquired));
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// Now we have two ACQUIRED and one LOST callback.
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SECTION("max_remove")
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{
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CHECK(0 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired, 0, 0));
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CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired));
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CHECK(1 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired, 0, 1));
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CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired));
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}
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SECTION("large max_remove")
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{
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CHECK(2 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired, 0, 3));
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CHECK_FALSE(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired));
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}
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SECTION("num_skip")
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{
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CHECK(0 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired, 3));
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CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired));
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CHECK(1 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired, 1));
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CHECK(callbacks.contains(increment_userdata_int, (mask_t)MyEvent::ACQUIRED,
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&numAcquired));
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}
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}
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CHECK(1 == callbacks.removeCallback(increment_userdata_int, (mask_t)MyEvent::LOST, &numLost));
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}
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}
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