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d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
327 lines
14 KiB
C++
327 lines
14 KiB
C++
/**************************************************************************/
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/* test_rect2.h */
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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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#ifndef TEST_RECT2_H
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#define TEST_RECT2_H
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#include "core/math/rect2.h"
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#include "core/math/rect2i.h"
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#include "thirdparty/doctest/doctest.h"
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namespace TestRect2 {
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TEST_CASE("[Rect2] Constructor methods") {
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const Rect2 rect = Rect2(0, 100, 1280, 720);
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const Rect2 rect_vector = Rect2(Vector2(0, 100), Vector2(1280, 720));
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const Rect2 rect_copy_rect = Rect2(rect);
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const Rect2 rect_copy_recti = Rect2(Rect2i(0, 100, 1280, 720));
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CHECK_MESSAGE(
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rect == rect_vector,
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"Rect2s created with the same dimensions but by different methods should be equal.");
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CHECK_MESSAGE(
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rect == rect_copy_rect,
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"Rect2s created with the same dimensions but by different methods should be equal.");
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CHECK_MESSAGE(
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rect == rect_copy_recti,
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"Rect2s created with the same dimensions but by different methods should be equal.");
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}
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TEST_CASE("[Rect2] String conversion") {
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// Note: This also depends on the Vector2 string representation.
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CHECK_MESSAGE(
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String(Rect2(0, 100, 1280, 720)) == "[P: (0, 100), S: (1280, 720)]",
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"The string representation should match the expected value.");
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}
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TEST_CASE("[Rect2] Basic getters") {
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const Rect2 rect = Rect2(0, 100, 1280, 720);
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CHECK_MESSAGE(
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rect.get_position().is_equal_approx(Vector2(0, 100)),
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"get_position() should return the expected value.");
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CHECK_MESSAGE(
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rect.get_size().is_equal_approx(Vector2(1280, 720)),
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"get_size() should return the expected value.");
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CHECK_MESSAGE(
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rect.get_end().is_equal_approx(Vector2(1280, 820)),
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"get_end() should return the expected value.");
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CHECK_MESSAGE(
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rect.get_center().is_equal_approx(Vector2(640, 460)),
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"get_center() should return the expected value.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1281, 721).get_center().is_equal_approx(Vector2(640.5, 460.5)),
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"get_center() should return the expected value.");
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}
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TEST_CASE("[Rect2] Basic setters") {
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Rect2 rect = Rect2(0, 100, 1280, 720);
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rect.set_end(Vector2(4000, 4000));
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CHECK_MESSAGE(
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rect.is_equal_approx(Rect2(0, 100, 4000, 3900)),
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"set_end() should result in the expected Rect2.");
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rect = Rect2(0, 100, 1280, 720);
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rect.set_position(Vector2(4000, 4000));
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CHECK_MESSAGE(
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rect.is_equal_approx(Rect2(4000, 4000, 1280, 720)),
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"set_position() should result in the expected Rect2.");
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rect = Rect2(0, 100, 1280, 720);
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rect.set_size(Vector2(4000, 4000));
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CHECK_MESSAGE(
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rect.is_equal_approx(Rect2(0, 100, 4000, 4000)),
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"set_size() should result in the expected Rect2.");
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}
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TEST_CASE("[Rect2] Area getters") {
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).get_area() == doctest::Approx(921'600),
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"get_area() should return the expected value.");
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CHECK_MESSAGE(
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Rect2(0, 100, -1280, -720).get_area() == doctest::Approx(921'600),
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"get_area() should return the expected value.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, -720).get_area() == doctest::Approx(-921'600),
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"get_area() should return the expected value.");
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CHECK_MESSAGE(
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Rect2(0, 100, -1280, 720).get_area() == doctest::Approx(-921'600),
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"get_area() should return the expected value.");
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CHECK_MESSAGE(
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Math::is_zero_approx(Rect2(0, 100, 0, 720).get_area()),
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"get_area() should return the expected value.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).has_area(),
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"has_area() should return the expected value on Rect2 with an area.");
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CHECK_MESSAGE(
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!Rect2(0, 100, 0, 500).has_area(),
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"has_area() should return the expected value on Rect2 with no area.");
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CHECK_MESSAGE(
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!Rect2(0, 100, 500, 0).has_area(),
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"has_area() should return the expected value on Rect2 with no area.");
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CHECK_MESSAGE(
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!Rect2(0, 100, 0, 0).has_area(),
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"has_area() should return the expected value on Rect2 with no area.");
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}
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TEST_CASE("[Rect2] Absolute coordinates") {
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).abs().is_equal_approx(Rect2(0, 100, 1280, 720)),
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"abs() should return the expected Rect2.");
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CHECK_MESSAGE(
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Rect2(0, -100, 1280, 720).abs().is_equal_approx(Rect2(0, -100, 1280, 720)),
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"abs() should return the expected Rect2.");
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CHECK_MESSAGE(
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Rect2(0, -100, -1280, -720).abs().is_equal_approx(Rect2(-1280, -820, 1280, 720)),
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"abs() should return the expected Rect2.");
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CHECK_MESSAGE(
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Rect2(0, 100, -1280, 720).abs().is_equal_approx(Rect2(-1280, 100, 1280, 720)),
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"abs() should return the expected Rect2.");
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}
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TEST_CASE("[Rect2] Intersection") {
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).intersection(Rect2(0, 300, 100, 100)).is_equal_approx(Rect2(0, 300, 100, 100)),
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"intersection() with fully enclosed Rect2 should return the expected result.");
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// The resulting Rect2 is 100 pixels high because the first Rect2 is vertically offset by 100 pixels.
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).intersection(Rect2(1200, 700, 100, 100)).is_equal_approx(Rect2(1200, 700, 80, 100)),
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"intersection() with partially enclosed Rect2 should return the expected result.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).intersection(Rect2(-4000, -4000, 100, 100)).is_equal_approx(Rect2()),
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"intersection() with non-enclosed Rect2 should return the expected result.");
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}
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TEST_CASE("[Rect2] Enclosing") {
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).encloses(Rect2(0, 300, 100, 100)),
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"encloses() with fully contained Rect2 should return the expected result.");
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CHECK_MESSAGE(
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!Rect2(0, 100, 1280, 720).encloses(Rect2(1200, 700, 100, 100)),
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"encloses() with partially contained Rect2 should return the expected result.");
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CHECK_MESSAGE(
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!Rect2(0, 100, 1280, 720).encloses(Rect2(-4000, -4000, 100, 100)),
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"encloses() with non-contained Rect2 should return the expected result.");
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}
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TEST_CASE("[Rect2] Expanding") {
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).expand(Vector2(500, 600)).is_equal_approx(Rect2(0, 100, 1280, 720)),
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"expand() with contained Vector2 should return the expected result.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).expand(Vector2(0, 0)).is_equal_approx(Rect2(0, 0, 1280, 820)),
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"expand() with non-contained Vector2 should return the expected result.");
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}
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TEST_CASE("[Rect2] Growing") {
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).grow(100).is_equal_approx(Rect2(-100, 0, 1480, 920)),
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"grow() with positive value should return the expected Rect2.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).grow(-100).is_equal_approx(Rect2(100, 200, 1080, 520)),
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"grow() with negative value should return the expected Rect2.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).grow(-4000).is_equal_approx(Rect2(4000, 4100, -6720, -7280)),
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"grow() with large negative value should return the expected Rect2.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).grow_individual(100, 200, 300, 400).is_equal_approx(Rect2(-100, -100, 1680, 1320)),
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"grow_individual() with positive values should return the expected Rect2.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).grow_individual(-100, 200, 300, -400).is_equal_approx(Rect2(100, -100, 1480, 520)),
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"grow_individual() with positive and negative values should return the expected Rect2.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).grow_side(SIDE_TOP, 500).is_equal_approx(Rect2(0, -400, 1280, 1220)),
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"grow_side() with positive value should return the expected Rect2.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).grow_side(SIDE_TOP, -500).is_equal_approx(Rect2(0, 600, 1280, 220)),
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"grow_side() with negative value should return the expected Rect2.");
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}
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TEST_CASE("[Rect2] Has point") {
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Rect2 rect = Rect2(0, 100, 1280, 720);
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CHECK_MESSAGE(
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rect.has_point(Vector2(500, 600)),
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"has_point() with contained Vector2 should return the expected result.");
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CHECK_MESSAGE(
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!rect.has_point(Vector2(0, 0)),
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"has_point() with non-contained Vector2 should return the expected result.");
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CHECK_MESSAGE(
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rect.has_point(rect.position),
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"has_point() with positive size should include `position`.");
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CHECK_MESSAGE(
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rect.has_point(rect.position + Vector2(1, 1)),
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"has_point() with positive size should include `position + (1, 1)`.");
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CHECK_MESSAGE(
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!rect.has_point(rect.position + Vector2(1, -1)),
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"has_point() with positive size should not include `position + (1, -1)`.");
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CHECK_MESSAGE(
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!rect.has_point(rect.position + rect.size),
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"has_point() with positive size should not include `position + size`.");
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CHECK_MESSAGE(
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!rect.has_point(rect.position + rect.size + Vector2(1, 1)),
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"has_point() with positive size should not include `position + size + (1, 1)`.");
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CHECK_MESSAGE(
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rect.has_point(rect.position + rect.size + Vector2(-1, -1)),
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"has_point() with positive size should include `position + size + (-1, -1)`.");
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CHECK_MESSAGE(
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!rect.has_point(rect.position + rect.size + Vector2(-1, 1)),
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"has_point() with positive size should not include `position + size + (-1, 1)`.");
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CHECK_MESSAGE(
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rect.has_point(rect.position + Vector2(0, 10)),
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"has_point() with point located on left edge should return true.");
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CHECK_MESSAGE(
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!rect.has_point(rect.position + Vector2(rect.size.x, 10)),
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"has_point() with point located on right edge should return false.");
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CHECK_MESSAGE(
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rect.has_point(rect.position + Vector2(10, 0)),
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"has_point() with point located on top edge should return true.");
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CHECK_MESSAGE(
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!rect.has_point(rect.position + Vector2(10, rect.size.y)),
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"has_point() with point located on bottom edge should return false.");
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/*
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// FIXME: Disabled for now until GH-37617 is fixed one way or another.
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// More tests should then be written like for the positive size case.
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rect = Rect2(0, 100, -1280, -720);
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CHECK_MESSAGE(
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rect.has_point(rect.position),
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"has_point() with negative size should include `position`.");
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CHECK_MESSAGE(
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!rect.has_point(rect.position + rect.size),
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"has_point() with negative size should not include `position + size`.");
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*/
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rect = Rect2(-4000, -200, 1280, 720);
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CHECK_MESSAGE(
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rect.has_point(rect.position + Vector2(0, 10)),
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"has_point() with negative position and point located on left edge should return true.");
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CHECK_MESSAGE(
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!rect.has_point(rect.position + Vector2(rect.size.x, 10)),
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"has_point() with negative position and point located on right edge should return false.");
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CHECK_MESSAGE(
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rect.has_point(rect.position + Vector2(10, 0)),
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"has_point() with negative position and point located on top edge should return true.");
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CHECK_MESSAGE(
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!rect.has_point(rect.position + Vector2(10, rect.size.y)),
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"has_point() with negative position and point located on bottom edge should return false.");
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}
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TEST_CASE("[Rect2] Intersection") {
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).intersects(Rect2(0, 300, 100, 100)),
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"intersects() with fully enclosed Rect2 should return the expected result.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).intersects(Rect2(1200, 700, 100, 100)),
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"intersects() with partially enclosed Rect2 should return the expected result.");
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CHECK_MESSAGE(
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!Rect2(0, 100, 1280, 720).intersects(Rect2(-4000, -4000, 100, 100)),
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"intersects() with non-enclosed Rect2 should return the expected result.");
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}
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TEST_CASE("[Rect2] Merging") {
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).merge(Rect2(0, 300, 100, 100)).is_equal_approx(Rect2(0, 100, 1280, 720)),
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"merge() with fully enclosed Rect2 should return the expected result.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).merge(Rect2(1200, 700, 100, 100)).is_equal_approx(Rect2(0, 100, 1300, 720)),
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"merge() with partially enclosed Rect2 should return the expected result.");
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CHECK_MESSAGE(
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Rect2(0, 100, 1280, 720).merge(Rect2(-4000, -4000, 100, 100)).is_equal_approx(Rect2(-4000, -4000, 5280, 4820)),
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"merge() with non-enclosed Rect2 should return the expected result.");
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}
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TEST_CASE("[Rect2] Finite number checks") {
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const Vector2 x(0, 1);
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const Vector2 infinite(NAN, NAN);
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CHECK_MESSAGE(
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Rect2(x, x).is_finite(),
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"Rect2 with all components finite should be finite");
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CHECK_FALSE_MESSAGE(
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Rect2(infinite, x).is_finite(),
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"Rect2 with one component infinite should not be finite.");
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CHECK_FALSE_MESSAGE(
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Rect2(x, infinite).is_finite(),
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"Rect2 with one component infinite should not be finite.");
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CHECK_FALSE_MESSAGE(
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Rect2(infinite, infinite).is_finite(),
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"Rect2 with two components infinite should not be finite.");
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}
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} // namespace TestRect2
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#endif // TEST_RECT2_H
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