Add unit tests for TextureRect
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CalBebop
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/**************************************************************************/
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/* test_texture_rect.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "tests/test_macros.h"
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TEST_FORCE_LINK(test_texture_rect)
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#include "core/io/image.h"
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#include "scene/gui/texture_rect.h"
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#include "scene/main/scene_tree.h"
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#include "scene/main/window.h"
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#include "scene/resources/atlas_texture.h"
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#include "scene/resources/image_texture.h"
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namespace TestTextureRect {
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TEST_CASE("[SceneTree][TextureRect] Default properties") {
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TextureRect *texture_rect = memnew(TextureRect);
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CHECK(texture_rect->get_texture().is_null());
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CHECK(texture_rect->get_expand_mode() == TextureRect::EXPAND_KEEP_SIZE);
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CHECK(texture_rect->get_stretch_mode() == TextureRect::STRETCH_SCALE);
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CHECK_FALSE(texture_rect->is_flipped_h());
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CHECK_FALSE(texture_rect->is_flipped_v());
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// Set in the TextureRect constructor, unlike the Control default.
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CHECK(texture_rect->get_mouse_filter() == Control::MOUSE_FILTER_PASS);
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CHECK(texture_rect->get_combined_minimum_size() == Size2(0, 0));
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memdelete(texture_rect);
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}
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TEST_CASE("[SceneTree][TextureRect] Set/get texture") {
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TextureRect *texture_rect = memnew(TextureRect);
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Ref<Image> image = memnew(Image(8, 8, false, Image::FORMAT_RGB8));
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Ref<ImageTexture> tex = ImageTexture::create_from_image(image);
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texture_rect->set_texture(tex);
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CHECK(texture_rect->get_texture() == tex);
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texture_rect->set_texture(Ref<Texture2D>());
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CHECK(texture_rect->get_texture().is_null());
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memdelete(texture_rect);
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}
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TEST_CASE("[SceneTree][TextureRect] Expand mode") {
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TextureRect *texture_rect = memnew(TextureRect);
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texture_rect->set_expand_mode(TextureRect::EXPAND_IGNORE_SIZE);
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CHECK(texture_rect->get_expand_mode() == TextureRect::EXPAND_IGNORE_SIZE);
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texture_rect->set_expand_mode(TextureRect::EXPAND_FIT_WIDTH);
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CHECK(texture_rect->get_expand_mode() == TextureRect::EXPAND_FIT_WIDTH);
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texture_rect->set_expand_mode(TextureRect::EXPAND_FIT_WIDTH_PROPORTIONAL);
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CHECK(texture_rect->get_expand_mode() == TextureRect::EXPAND_FIT_WIDTH_PROPORTIONAL);
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texture_rect->set_expand_mode(TextureRect::EXPAND_FIT_HEIGHT);
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CHECK(texture_rect->get_expand_mode() == TextureRect::EXPAND_FIT_HEIGHT);
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texture_rect->set_expand_mode(TextureRect::EXPAND_FIT_HEIGHT_PROPORTIONAL);
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CHECK(texture_rect->get_expand_mode() == TextureRect::EXPAND_FIT_HEIGHT_PROPORTIONAL);
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texture_rect->set_expand_mode(TextureRect::EXPAND_KEEP_SIZE);
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CHECK(texture_rect->get_expand_mode() == TextureRect::EXPAND_KEEP_SIZE);
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memdelete(texture_rect);
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}
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TEST_CASE("[SceneTree][TextureRect] Stretch mode") {
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TextureRect *texture_rect = memnew(TextureRect);
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texture_rect->set_stretch_mode(TextureRect::STRETCH_TILE);
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CHECK(texture_rect->get_stretch_mode() == TextureRect::STRETCH_TILE);
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texture_rect->set_stretch_mode(TextureRect::STRETCH_KEEP);
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CHECK(texture_rect->get_stretch_mode() == TextureRect::STRETCH_KEEP);
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texture_rect->set_stretch_mode(TextureRect::STRETCH_KEEP_CENTERED);
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CHECK(texture_rect->get_stretch_mode() == TextureRect::STRETCH_KEEP_CENTERED);
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texture_rect->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT);
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CHECK(texture_rect->get_stretch_mode() == TextureRect::STRETCH_KEEP_ASPECT);
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texture_rect->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
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CHECK(texture_rect->get_stretch_mode() == TextureRect::STRETCH_KEEP_ASPECT_CENTERED);
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texture_rect->set_stretch_mode(TextureRect::STRETCH_KEEP_ASPECT_COVERED);
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CHECK(texture_rect->get_stretch_mode() == TextureRect::STRETCH_KEEP_ASPECT_COVERED);
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texture_rect->set_stretch_mode(TextureRect::STRETCH_SCALE);
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CHECK(texture_rect->get_stretch_mode() == TextureRect::STRETCH_SCALE);
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memdelete(texture_rect);
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}
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TEST_CASE("[SceneTree][TextureRect] Flip flags") {
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TextureRect *texture_rect = memnew(TextureRect);
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SUBCASE("flip_h can be toggled") {
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texture_rect->set_flip_h(true);
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CHECK(texture_rect->is_flipped_h());
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texture_rect->set_flip_h(false);
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CHECK_FALSE(texture_rect->is_flipped_h());
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}
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SUBCASE("flip_v can be toggled") {
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texture_rect->set_flip_v(true);
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CHECK(texture_rect->is_flipped_v());
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texture_rect->set_flip_v(false);
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CHECK_FALSE(texture_rect->is_flipped_v());
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}
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SUBCASE("flip_h and flip_v are independent") {
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texture_rect->set_flip_h(true);
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texture_rect->set_flip_v(false);
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CHECK(texture_rect->is_flipped_h());
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CHECK_FALSE(texture_rect->is_flipped_v());
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}
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memdelete(texture_rect);
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}
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TEST_CASE("[SceneTree][TextureRect] Minimum size") {
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TextureRect *texture_rect = memnew(TextureRect);
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Window *root = SceneTree::get_singleton()->get_root();
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root->add_child(texture_rect);
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Ref<Image> image = memnew(Image(64, 32, false, Image::FORMAT_RGB8));
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Ref<ImageTexture> tex = ImageTexture::create_from_image(image);
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SUBCASE("EXPAND_KEEP_SIZE reports the texture's pixel dimensions") {
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texture_rect->set_texture(tex);
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SceneTree::get_singleton()->process(0);
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CHECK(texture_rect->get_combined_minimum_size() == Size2(64, 32));
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}
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SUBCASE("EXPAND_IGNORE_SIZE reports zero even with a texture") {
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texture_rect->set_expand_mode(TextureRect::EXPAND_IGNORE_SIZE);
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texture_rect->set_texture(tex);
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SceneTree::get_singleton()->process(0);
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CHECK(texture_rect->get_combined_minimum_size() == Size2(0, 0));
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}
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SUBCASE("Clearing the texture resets minimum size to zero") {
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texture_rect->set_texture(tex);
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SceneTree::get_singleton()->process(0);
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texture_rect->set_texture(Ref<Texture2D>());
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SceneTree::get_singleton()->process(0);
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CHECK(texture_rect->get_combined_minimum_size() == Size2(0, 0));
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}
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memdelete(texture_rect);
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}
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TEST_CASE("[SceneTree][TextureRect] Configuration warnings") {
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TextureRect *texture_rect = memnew(TextureRect);
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SUBCASE("No warnings by default") {
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CHECK(texture_rect->get_configuration_warnings().is_empty());
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}
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SUBCASE("STRETCH_TILE with a plain texture produces no warning") {
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Ref<Image> image = memnew(Image(4, 4, false, Image::FORMAT_RGB8));
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texture_rect->set_texture(ImageTexture::create_from_image(image));
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texture_rect->set_stretch_mode(TextureRect::STRETCH_TILE);
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CHECK(texture_rect->get_configuration_warnings().is_empty());
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}
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SUBCASE("STRETCH_TILE with an AtlasTexture with non-zero margin produces a warning") {
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Ref<AtlasTexture> at;
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at.instantiate();
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at->set_margin(Rect2(1, 0, 0, 0));
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texture_rect->set_texture(at);
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texture_rect->set_stretch_mode(TextureRect::STRETCH_TILE);
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CHECK(texture_rect->get_configuration_warnings().size() == 1);
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}
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memdelete(texture_rect);
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}
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} // namespace TestTextureRect
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