/**************************************************************************/
/* test_center_container.cpp */
/**************************************************************************/
/* 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. */
/**************************************************************************/
#include "tests/test_macros.h"
TEST_FORCE_LINK(test_center_container)
#include "scene/gui/center_container.h"
#include "scene/gui/control.h"
#include "scene/main/scene_tree.h"
#include "scene/main/window.h"
namespace TestCenterContainer {
TEST_CASE("[SceneTree][CenterContainer] Standard behavior") {
CenterContainer *center_container = memnew(CenterContainer);
Window *root = SceneTree::get_singleton()->get_root();
root->add_child(center_container);
Control *child_control = memnew(Control);
center_container->add_child(child_control);
center_container->set_size(Size2(100, 100));
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
child_control->get_position().is_equal_approx(Point2(50, 50)),
"Child control is centered within the CenterContainer by default.");
child_control->set_custom_minimum_size(Size2(20, 20));
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
child_control->get_position().is_equal_approx(Point2(40, 40)),
"Child control remains centered when custom minimum size is set.");
child_control->set_custom_minimum_size(Size2(200, 200));
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
center_container->get_size().is_equal_approx(Size2(200, 200)),
"CenterContainer expands to accommodate the minimum size of its child control.");
CHECK_MESSAGE(
child_control->get_position().is_equal_approx(Point2(0, 0)),
"Child control is positioned at the top-left corner when its minimum size equals the container size.");
child_control->set_custom_minimum_size(Size2());
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
child_control->get_position().is_equal_approx(Point2(50, 50)),
"Child control re-centers when custom minimum size is reset.");
CHECK_MESSAGE(
center_container->get_size().is_equal_approx(Size2(100, 100)),
"CenterContainer returns to original size when child control's custom minimum size is reset.");
center_container->set_use_top_left(true);
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
child_control->get_position().is_equal_approx(Point2(0, 0)),
"Child control is aligned to the top-left corner when use_top_left is enabled.");
center_container->set_layout_direction(Control::LAYOUT_DIRECTION_RTL);
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
child_control->get_position().is_equal_approx(Point2(100, 0)),
"Child control is aligned to the top-right corner in RTL layout direction when use_top_left is enabled.");
memdelete(child_control);
memdelete(center_container);
}
TEST_CASE("[SceneTree][CenterContainer] Multiple children") {
CenterContainer *center_container = memnew(CenterContainer);
Window *root = SceneTree::get_singleton()->get_root();
root->add_child(center_container);
center_container->set_size(Size2(100, 100));
Control *child_control_1 = memnew(Control);
Control *child_control_2 = memnew(Control);
center_container->add_child(child_control_1);
center_container->add_child(child_control_2);
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
child_control_1->get_position().is_equal_approx(Point2(50, 50)),
"First child control is centered within the CenterContainer.");
CHECK_MESSAGE(
child_control_2->get_position().is_equal_approx(Point2(50, 50)),
"Second child control is also centered and overlaps the first child control by default.");
child_control_1->set_custom_minimum_size(Size2(20, 20));
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
child_control_1->get_position().is_equal_approx(Point2(40, 40)),
"First child control remains centered when custom minimum size is set.");
CHECK_MESSAGE(
child_control_2->get_position().is_equal_approx(Point2(50, 50)),
"Second child control remains centered and overlaps the first child control even when the first child has a custom minimum size.");
child_control_1->set_custom_minimum_size(Size2(200, 0));
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
center_container->get_size().is_equal_approx(Size2(200, 100)),
"CenterContainer expands to accommodate the minimum size of the first child control.");
CHECK_MESSAGE(
child_control_1->get_position().is_equal_approx(Point2(0, 50)),
"First child control is aligned to the left edge of the CenterContainer when its minimum width equals the container width.");
CHECK_MESSAGE(
child_control_2->get_position().is_equal_approx(Point2(100, 50)),
"Second child control is centered on the new container center.");
child_control_2->set_custom_minimum_size(Size2(0, 200));
SceneTree::get_singleton()->process(0);
CHECK_MESSAGE(
center_container->get_size().is_equal_approx(Size2(200, 200)),
"CenterContainer expands to accommodate the minimum size of the second child control.");
CHECK_MESSAGE(
child_control_1->get_position().is_equal_approx(Point2(0, 100)),
"First child control is aligned to the left edge and centered vertically when its minimum width equals the container width but its minimum height is smaller than the container height.");
CHECK_MESSAGE(
child_control_2->get_position().is_equal_approx(Point2(100, 0)),
"Second child control is aligned to the top edge and centered horizontally when its minimum height equals the container height but its minimum width is smaller than the container width.");
memdelete(child_control_2);
memdelete(child_control_1);
memdelete(center_container);
}
} // namespace TestCenterContainer