Add unit tests for Decal

tests/scene/test_decal.h

@@ -0,0 +1,135 @@
+/**************************************************************************/
+/*  test_decal.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_DECAL_H
+#define TEST_DECAL_H
+
+#include "scene/3d/decal.h"
+
+#include "tests/test_macros.h"
+
+namespace TestDecal {
+TEST_CASE("[SceneTree][Decal] Getters/Setters") {
+	Decal *decal = memnew(Decal);
+	AABB default_aabb{
+		Vector3(-1.0f, -1.0f, -1.0f),
+		Vector3(2.0f, 2.0f, 2.0f)
+	};
+	SUBCASE("Default values") {
+		CHECK_MESSAGE(decal->get_aabb() == default_aabb, "get_aabb() returns the expected values for the default");
+	}
+
+	SUBCASE("Set and Get Size") {
+		Vector3 size = Vector3(2.0f, 3.0f, 4.0f);
+
+		decal->set_size(size);
+		AABB expected_aabb{
+			Vector3(-1.0f, -1.5f, -2.0f),
+			Vector3(2.0f, 3.0f, 4.0f)
+		};
+		CHECK_MESSAGE(decal->get_aabb() == expected_aabb, "get_aabb() returns the expected values after setting");
+		//default back the size in order to use the default_aabb for future assertions
+		decal->set_size(Vector3(2.0f, 2.0f, 2.0f));
+	}
+
+	SUBCASE("Set and Get Texture") {
+		Ref<Texture2D> albedo_texture;
+		albedo_texture.instantiate();
+		decal->set_texture(Decal::TEXTURE_ALBEDO, albedo_texture);
+		CHECK_MESSAGE(decal->get_texture(Decal::TEXTURE_ALBEDO) == albedo_texture, "get_texture() returns the expected texture after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting texture");
+	}
+
+	SUBCASE("Set and Get Emission Energy") {
+		decal->set_emission_energy(2.0f);
+		CHECK_MESSAGE(decal->get_emission_energy() == 2.0, "get_emission_energy() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting emission energy");
+	}
+
+	SUBCASE("Set and Get Albedo Mix") {
+		decal->set_albedo_mix(0.5);
+		CHECK_MESSAGE(decal->get_albedo_mix() == 0.5f, "get_albedo_mix() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting albedo mix");
+	}
+
+	SUBCASE("Set and Get Modulate") {
+		Color new_color(0.5f, 0.5f, 0.5f, 1.0f);
+		decal->set_modulate(new_color);
+		CHECK_MESSAGE(decal->get_modulate() == new_color, "get_modulate() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting modulate");
+	}
+
+	SUBCASE("Set and Get Upper Fade") {
+		decal->set_upper_fade(0.4f);
+		CHECK_MESSAGE(decal->get_upper_fade() == 0.4f, "get_upper_fade() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting upper fade");
+	}
+
+	SUBCASE("Set and Get Lower Fade") {
+		decal->set_lower_fade(0.2f);
+		CHECK_MESSAGE(decal->get_lower_fade() == 0.2f, "get_lower_fade() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting lower fade");
+	}
+
+	SUBCASE("Set and Get Normal Fade") {
+		decal->set_normal_fade(0.1f);
+		CHECK_MESSAGE(decal->get_normal_fade() == 0.1f, "get_normal_fade() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting normal fade");
+	}
+
+	SUBCASE("Enable and Check Distance Fade") {
+		decal->set_enable_distance_fade(true);
+		CHECK_MESSAGE(decal->is_distance_fade_enabled() == true, "is_distance_fade_enabled() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after enabling distance fade");
+	}
+
+	SUBCASE("Set and Get Distance Fade Begin") {
+		decal->set_distance_fade_begin(50.0f);
+		CHECK_MESSAGE(decal->get_distance_fade_begin() == 50.0f, "get_distance_fade_begin() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting distance fade begin");
+	}
+
+	SUBCASE("Set and Get Distance Fade Length") {
+		decal->set_distance_fade_length(15.0f);
+		CHECK_MESSAGE(decal->get_distance_fade_length() == 15.0f, "get_distance_fade_length() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting distance fade length");
+	}
+
+	SUBCASE("Set and Get Cull Mask") {
+		decal->set_cull_mask(0xFF);
+		CHECK_MESSAGE(decal->get_cull_mask() == 0xFF, "get_cull_mask() returns the expected value after setting");
+		CHECK_MESSAGE(default_aabb == decal->get_aabb(), "get_aabb() remains unchanged after setting cull mask");
+	}
+
+	memdelete(decal);
+}
+
+} //namespace TestDecal
+#endif // TEST_DECAL_H

tests/test_main.cpp

@@ -131,6 +131,7 @@
 #ifndef _3D_DISABLED
 #include "tests/scene/test_arraymesh.h"
 #include "tests/scene/test_camera_3d.h"
+#include "tests/scene/test_decal.h"
 #include "tests/scene/test_navigation_agent_2d.h"
 #include "tests/scene/test_navigation_agent_3d.h"
 #include "tests/scene/test_navigation_obstacle_2d.h"