add timer node tests

tests/scene/test_timer.h

@@ -0,0 +1,217 @@
+/**************************************************************************/
+/*  test_timer.h                                                          */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef TEST_TIMER_H
+#define TEST_TIMER_H
+
+#include "scene/main/timer.h"
+
+#include "tests/test_macros.h"
+
+namespace TestTimer {
+
+TEST_CASE("[SceneTree][Timer] Check Timer Setters and Getters") {
+	Timer *test_timer = memnew(Timer);
+
+	SUBCASE("[Timer] Timer set and get wait time") {
+		// check default
+		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 1.0));
+
+		test_timer->set_wait_time(50.0);
+		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 50.0));
+
+		test_timer->set_wait_time(42.0);
+		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 42.0));
+
+		// wait time remains unchanged if we attempt to set it negative or zero
+		ERR_PRINT_OFF;
+		test_timer->set_wait_time(-22.0);
+		ERR_PRINT_ON;
+		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 42.0));
+
+		ERR_PRINT_OFF;
+		test_timer->set_wait_time(0.0);
+		ERR_PRINT_ON;
+		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 42.0));
+	}
+
+	SUBCASE("[Timer] Timer set and get one shot") {
+		// check default
+		CHECK(test_timer->is_one_shot() == false);
+
+		test_timer->set_one_shot(true);
+		CHECK(test_timer->is_one_shot() == true);
+
+		test_timer->set_one_shot(false);
+		CHECK(test_timer->is_one_shot() == false);
+	}
+
+	SUBCASE("[Timer] Timer set and get autostart") {
+		// check default
+		CHECK(test_timer->has_autostart() == false);
+
+		test_timer->set_autostart(true);
+		CHECK(test_timer->has_autostart() == true);
+
+		test_timer->set_autostart(false);
+		CHECK(test_timer->has_autostart() == false);
+	}
+
+	SUBCASE("[Timer] Timer start and stop") {
+		test_timer->set_autostart(false);
+	}
+
+	SUBCASE("[Timer] Timer set and get paused") {
+		// check default
+		CHECK(test_timer->is_paused() == false);
+
+		test_timer->set_paused(true);
+		CHECK(test_timer->is_paused() == true);
+
+		test_timer->set_paused(false);
+		CHECK(test_timer->is_paused() == false);
+	}
+
+	memdelete(test_timer);
+}
+
+TEST_CASE("[SceneTree][Timer] Check Timer Start and Stop") {
+	Timer *test_timer = memnew(Timer);
+
+	SUBCASE("[Timer] Timer start and stop") {
+		SceneTree::get_singleton()->get_root()->add_child(test_timer);
+
+		test_timer->start(5.0);
+
+		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 5.0));
+		CHECK(Math::is_equal_approx(test_timer->get_time_left(), 5.0));
+
+		test_timer->start(-2.0);
+
+		// the wait time and time left remains unchanged when started with a negative start time
+		CHECK(Math::is_equal_approx(test_timer->get_wait_time(), 5.0));
+		CHECK(Math::is_equal_approx(test_timer->get_time_left(), 5.0));
+
+		test_timer->stop();
+		CHECK(test_timer->is_processing() == false);
+		CHECK(test_timer->has_autostart() == false);
+	}
+
+	memdelete(test_timer);
+}
+
+TEST_CASE("[SceneTree][Timer] Check Timer process callback") {
+	Timer *test_timer = memnew(Timer);
+
+	SUBCASE("[Timer] Timer process callback") {
+		// check default
+		CHECK(test_timer->get_timer_process_callback() == Timer::TimerProcessCallback::TIMER_PROCESS_IDLE);
+
+		test_timer->set_timer_process_callback(Timer::TimerProcessCallback::TIMER_PROCESS_PHYSICS);
+		CHECK(test_timer->get_timer_process_callback() == Timer::TimerProcessCallback::TIMER_PROCESS_PHYSICS);
+
+		test_timer->set_timer_process_callback(Timer::TimerProcessCallback::TIMER_PROCESS_IDLE);
+		CHECK(test_timer->get_timer_process_callback() == Timer::TimerProcessCallback::TIMER_PROCESS_IDLE);
+	}
+
+	memdelete(test_timer);
+}
+
+TEST_CASE("[SceneTree][Timer] Check Timer timeout signal") {
+	Timer *test_timer = memnew(Timer);
+	SceneTree::get_singleton()->get_root()->add_child(test_timer);
+
+	test_timer->set_process(true);
+	test_timer->set_physics_process(true);
+
+	SUBCASE("[Timer] Timer process timeout signal must be emitted") {
+		SIGNAL_WATCH(test_timer, SNAME("timeout"));
+		test_timer->start(0.1);
+
+		SceneTree::get_singleton()->process(0.2);
+
+		Array signal_args;
+		signal_args.push_back(Array());
+
+		SIGNAL_CHECK(SNAME("timeout"), signal_args);
+
+		SIGNAL_UNWATCH(test_timer, SNAME("timeout"));
+	}
+
+	SUBCASE("[Timer] Timer process timeout signal must not be emitted") {
+		SIGNAL_WATCH(test_timer, SNAME("timeout"));
+		test_timer->start(0.1);
+
+		SceneTree::get_singleton()->process(0.05);
+
+		Array signal_args;
+		signal_args.push_back(Array());
+
+		SIGNAL_CHECK_FALSE(SNAME("timeout"));
+
+		SIGNAL_UNWATCH(test_timer, SNAME("timeout"));
+	}
+
+	test_timer->set_timer_process_callback(Timer::TimerProcessCallback::TIMER_PROCESS_PHYSICS);
+
+	SUBCASE("[Timer] Timer physics process timeout signal must be emitted") {
+		SIGNAL_WATCH(test_timer, SNAME("timeout"));
+		test_timer->start(0.1);
+
+		SceneTree::get_singleton()->physics_process(0.2);
+
+		Array signal_args;
+		signal_args.push_back(Array());
+
+		SIGNAL_CHECK(SNAME("timeout"), signal_args);
+
+		SIGNAL_UNWATCH(test_timer, SNAME("timeout"));
+	}
+
+	SUBCASE("[Timer] Timer physics process timeout signal must not be emitted") {
+		SIGNAL_WATCH(test_timer, SNAME("timeout"));
+		test_timer->start(0.1);
+
+		SceneTree::get_singleton()->physics_process(0.05);
+
+		Array signal_args;
+		signal_args.push_back(Array());
+
+		SIGNAL_CHECK_FALSE(SNAME("timeout"));
+
+		SIGNAL_UNWATCH(test_timer, SNAME("timeout"));
+	}
+
+	memdelete(test_timer);
+}
+
+} // namespace TestTimer
+
+#endif // TEST_TIMER_H

tests/test_main.cpp

@@ -118,6 +118,7 @@
 #include "tests/scene/test_sprite_frames.h"
 #include "tests/scene/test_text_edit.h"
 #include "tests/scene/test_theme.h"
+#include "tests/scene/test_timer.h"
 #include "tests/scene/test_viewport.h"
 #include "tests/scene/test_visual_shader.h"
 #include "tests/scene/test_window.h"