diff --git a/tests/test_aabb.h b/tests/test_aabb.h new file mode 100644 index 00000000000..8acd2a99635 --- /dev/null +++ b/tests/test_aabb.h @@ -0,0 +1,375 @@ +/*************************************************************************/ +/* test_aabb.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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_AABB_H +#define TEST_AABB_H + +#include "core/math/aabb.h" +#include "core/string/print_string.h" +#include "tests/test_macros.h" + +#include "thirdparty/doctest/doctest.h" + +namespace TestAABB { + +TEST_CASE("[AABB] Constructor methods") { + const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + const AABB aabb_copy = AABB(aabb); + + CHECK_MESSAGE( + aabb == aabb_copy, + "AABBs created with the same dimensions but by different methods should be equal."); +} + +TEST_CASE("[AABB] String conversion") { + CHECK_MESSAGE( + String(AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6))) == "-1.5, 2, -2.5 - 4, 5, 6", + "The string representation shouild match the expected value."); +} + +TEST_CASE("[AABB] Basic getters") { + const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + CHECK_MESSAGE( + aabb.get_position().is_equal_approx(Vector3(-1.5, 2, -2.5)), + "get_position() should return the expected value."); + CHECK_MESSAGE( + aabb.get_size().is_equal_approx(Vector3(4, 5, 6)), + "get_size() should return the expected value."); + CHECK_MESSAGE( + aabb.get_end().is_equal_approx(Vector3(2.5, 7, 3.5)), + "get_end() should return the expected value."); +} + +TEST_CASE("[AABB] Basic setters") { + AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + aabb.set_end(Vector3(100, 0, 100)); + CHECK_MESSAGE( + aabb.is_equal_approx(AABB(Vector3(-1.5, 2, -2.5), Vector3(101.5, -2, 102.5))), + "set_end() should result in the expected AABB."); + + aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + aabb.set_position(Vector3(-1000, -2000, -3000)); + CHECK_MESSAGE( + aabb.is_equal_approx(AABB(Vector3(-1000, -2000, -3000), Vector3(4, 5, 6))), + "set_position() should result in the expected AABB."); + + aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + aabb.set_size(Vector3(0, 0, -50)); + CHECK_MESSAGE( + aabb.is_equal_approx(AABB(Vector3(-1.5, 2, -2.5), Vector3(0, 0, -50))), + "set_size() should result in the expected AABB."); +} + +TEST_CASE("[AABB] Area getters") { + AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + CHECK_MESSAGE( + Math::is_equal_approx(aabb.get_area(), 120), + "get_area() should return the expected value with positive size."); + CHECK_MESSAGE( + !aabb.has_no_area(), + "Non-empty volumetric AABB should have an area."); + + aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(-4, 5, 6)); + CHECK_MESSAGE( + Math::is_equal_approx(aabb.get_area(), -120), + "get_area() should return the expected value with negative size (1 component)."); + + aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(-4, -5, 6)); + CHECK_MESSAGE( + Math::is_equal_approx(aabb.get_area(), 120), + "get_area() should return the expected value with negative size (2 components)."); + + aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(-4, -5, -6)); + CHECK_MESSAGE( + Math::is_equal_approx(aabb.get_area(), -120), + "get_area() should return the expected value with negative size (3 components)."); + + aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 0, 6)); + CHECK_MESSAGE( + aabb.has_no_area(), + "Non-empty flat AABB should not have an area."); + + CHECK_MESSAGE( + AABB().has_no_area(), + "Empty AABB should not have an area."); +} + +TEST_CASE("[AABB] Surface getters") { + AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + CHECK_MESSAGE( + !aabb.has_no_surface(), + "Non-empty volumetric AABB should have an surface."); + + aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 0, 6)); + CHECK_MESSAGE( + !aabb.has_no_surface(), + "Non-empty flat AABB should have a surface."); + + CHECK_MESSAGE( + AABB().has_no_surface(), + "Empty AABB should not have an surface."); +} + +TEST_CASE("[AABB] Intersection") { + const AABB aabb_big = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + + AABB aabb_small = AABB(Vector3(-1.5, 2, -2.5), Vector3(1, 1, 1)); + CHECK_MESSAGE( + aabb_big.intersects(aabb_small), + "intersects() with fully contained AABB (touching the edge) should return the expected result."); + + aabb_small = AABB(Vector3(0.5, 1.5, -2), Vector3(1, 1, 1)); + CHECK_MESSAGE( + aabb_big.intersects(aabb_small), + "intersects() with partially contained AABB (overflowing on Y axis) should return the expected result."); + + aabb_small = AABB(Vector3(10, -10, -10), Vector3(1, 1, 1)); + CHECK_MESSAGE( + !aabb_big.intersects(aabb_small), + "intersects() with non-contained AABB should return the expected result."); + + aabb_small = AABB(Vector3(-1.5, 2, -2.5), Vector3(1, 1, 1)); + CHECK_MESSAGE( + aabb_big.intersection(aabb_small).is_equal_approx(aabb_small), + "intersection() with fully contained AABB (touching the edge) should return the expected result."); + + aabb_small = AABB(Vector3(0.5, 1.5, -2), Vector3(1, 1, 1)); + CHECK_MESSAGE( + aabb_big.intersection(aabb_small).is_equal_approx(AABB(Vector3(0.5, 2, -2), Vector3(1, 0.5, 1))), + "intersection() with partially contained AABB (overflowing on Y axis) should return the expected result."); + + aabb_small = AABB(Vector3(10, -10, -10), Vector3(1, 1, 1)); + CHECK_MESSAGE( + aabb_big.intersection(aabb_small).is_equal_approx(AABB()), + "intersection() with non-contained AABB should return the expected result."); + + CHECK_MESSAGE( + aabb_big.intersects_plane(Plane(Vector3(0, 1, 0), 4)), + "intersects_plane() should return the expected result."); + CHECK_MESSAGE( + aabb_big.intersects_plane(Plane(Vector3(0, -1, 0), -4)), + "intersects_plane() should return the expected result."); + CHECK_MESSAGE( + !aabb_big.intersects_plane(Plane(Vector3(0, 1, 0), 200)), + "intersects_plane() should return the expected result."); + + CHECK_MESSAGE( + aabb_big.intersects_segment(Vector3(1, 3, 0), Vector3(0, 3, 0)), + "intersects_segment() should return the expected result."); + CHECK_MESSAGE( + aabb_big.intersects_segment(Vector3(0, 3, 0), Vector3(0, -300, 0)), + "intersects_segment() should return the expected result."); + CHECK_MESSAGE( + aabb_big.intersects_segment(Vector3(-50, 3, -50), Vector3(50, 3, 50)), + "intersects_segment() should return the expected result."); + CHECK_MESSAGE( + !aabb_big.intersects_segment(Vector3(-50, 25, -50), Vector3(50, 25, 50)), + "intersects_segment() should return the expected result."); + CHECK_MESSAGE( + aabb_big.intersects_segment(Vector3(0, 3, 0), Vector3(0, 3, 0)), + "intersects_segment() should return the expected result with segment of length 0."); + CHECK_MESSAGE( + !aabb_big.intersects_segment(Vector3(0, 300, 0), Vector3(0, 300, 0)), + "intersects_segment() should return the expected result with segment of length 0."); +} + +TEST_CASE("[AABB] Merging") { + const AABB aabb_big = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + + AABB aabb_small = AABB(Vector3(-1.5, 2, -2.5), Vector3(1, 1, 1)); + CHECK_MESSAGE( + aabb_big.merge(aabb_small).is_equal_approx(aabb_big), + "merge() with fully contained AABB (touching the edge) should return the expected result."); + + aabb_small = AABB(Vector3(0.5, 1.5, -2), Vector3(1, 1, 1)); + CHECK_MESSAGE( + aabb_big.merge(aabb_small).is_equal_approx(AABB(Vector3(-1.5, 1.5, -2.5), Vector3(4, 5.5, 6))), + "merge() with partially contained AABB (overflowing on Y axis) should return the expected result."); + + aabb_small = AABB(Vector3(10, -10, -10), Vector3(1, 1, 1)); + CHECK_MESSAGE( + aabb_big.merge(aabb_small).is_equal_approx(AABB(Vector3(-1.5, -10, -10), Vector3(12.5, 17, 13.5))), + "merge() with non-contained AABB should return the expected result."); +} + +TEST_CASE("[AABB] Encloses") { + const AABB aabb_big = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + + AABB aabb_small = AABB(Vector3(-1.5, 2, -2.5), Vector3(1, 1, 1)); + CHECK_MESSAGE( + aabb_big.encloses(aabb_small), + "encloses() with fully contained AABB (touching the edge) should return the expected result."); + + aabb_small = AABB(Vector3(0.5, 1.5, -2), Vector3(1, 1, 1)); + CHECK_MESSAGE( + !aabb_big.encloses(aabb_small), + "encloses() with partially contained AABB (overflowing on Y axis) should return the expected result."); + + aabb_small = AABB(Vector3(10, -10, -10), Vector3(1, 1, 1)); + CHECK_MESSAGE( + !aabb_big.encloses(aabb_small), + "encloses() with non-contained AABB should return the expected result."); +} + +TEST_CASE("[AABB] Get endpoints") { + const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + CHECK_MESSAGE( + aabb.get_endpoint(0).is_equal_approx(Vector3(-1.5, 2, -2.5)), + "The endpoint at index 0 should match the expected value."); + CHECK_MESSAGE( + aabb.get_endpoint(1).is_equal_approx(Vector3(-1.5, 2, 3.5)), + "The endpoint at index 1 should match the expected value."); + CHECK_MESSAGE( + aabb.get_endpoint(2).is_equal_approx(Vector3(-1.5, 7, -2.5)), + "The endpoint at index 2 should match the expected value."); + CHECK_MESSAGE( + aabb.get_endpoint(3).is_equal_approx(Vector3(-1.5, 7, 3.5)), + "The endpoint at index 3 should match the expected value."); + CHECK_MESSAGE( + aabb.get_endpoint(4).is_equal_approx(Vector3(2.5, 2, -2.5)), + "The endpoint at index 4 should match the expected value."); + CHECK_MESSAGE( + aabb.get_endpoint(5).is_equal_approx(Vector3(2.5, 2, 3.5)), + "The endpoint at index 5 should match the expected value."); + CHECK_MESSAGE( + aabb.get_endpoint(6).is_equal_approx(Vector3(2.5, 7, -2.5)), + "The endpoint at index 6 should match the expected value."); + CHECK_MESSAGE( + aabb.get_endpoint(7).is_equal_approx(Vector3(2.5, 7, 3.5)), + "The endpoint at index 7 should match the expected value."); + + ERR_PRINT_OFF; + CHECK_MESSAGE( + aabb.get_endpoint(8).is_equal_approx(Vector3()), + "The endpoint at invalid index 8 should match the expected value."); + CHECK_MESSAGE( + aabb.get_endpoint(-1).is_equal_approx(Vector3()), + "The endpoint at invalid index -1 should match the expected value."); + ERR_PRINT_ON; +} + +TEST_CASE("[AABB] Get longest/shortest axis") { + const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + CHECK_MESSAGE( + aabb.get_longest_axis().is_equal_approx(Vector3(0, 0, 1)), + "get_longest_axis() should return the expected value."); + CHECK_MESSAGE( + aabb.get_longest_axis_index() == Vector3::AXIS_Z, + "get_longest_axis() should return the expected value."); + CHECK_MESSAGE( + Math::is_equal_approx(aabb.get_longest_axis_size(), 6), + "get_longest_axis() should return the expected value."); + + CHECK_MESSAGE( + aabb.get_shortest_axis().is_equal_approx(Vector3(1, 0, 0)), + "get_shortest_axis() should return the expected value."); + CHECK_MESSAGE( + aabb.get_shortest_axis_index() == Vector3::AXIS_X, + "get_shortest_axis() should return the expected value."); + CHECK_MESSAGE( + Math::is_equal_approx(aabb.get_shortest_axis_size(), 4), + "get_shortest_axis() should return the expected value."); +} + +TEST_CASE("[AABB] Get support") { + const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + CHECK_MESSAGE( + aabb.get_support(Vector3(1, 0, 0)).is_equal_approx(Vector3(-1.5, 7, 3.5)), + "get_support() should return the expected value."); + CHECK_MESSAGE( + aabb.get_support(Vector3(0.5, 1, 0)).is_equal_approx(Vector3(-1.5, 2, 3.5)), + "get_support() should return the expected value."); + CHECK_MESSAGE( + aabb.get_support(Vector3(0.5, 1, -400)).is_equal_approx(Vector3(-1.5, 2, 3.5)), + "get_support() should return the expected value."); + CHECK_MESSAGE( + aabb.get_support(Vector3(0, -1, 0)).is_equal_approx(Vector3(2.5, 7, 3.5)), + "get_support() should return the expected value."); + CHECK_MESSAGE( + aabb.get_support(Vector3(0, -0.1, 0)).is_equal_approx(Vector3(2.5, 7, 3.5)), + "get_support() should return the expected value."); + CHECK_MESSAGE( + aabb.get_support(Vector3()).is_equal_approx(Vector3(2.5, 7, 3.5)), + "get_support() should return the expected value with a null vector."); +} + +TEST_CASE("[AABB] Grow") { + const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + CHECK_MESSAGE( + aabb.grow(0.25).is_equal_approx(AABB(Vector3(-1.75, 1.75, -2.75), Vector3(4.5, 5.5, 6.5))), + "grow() with positive value should return the expected AABB."); + CHECK_MESSAGE( + aabb.grow(-0.25).is_equal_approx(AABB(Vector3(-1.25, 2.25, -2.25), Vector3(3.5, 4.5, 5.5))), + "grow() with negative value should return the expected AABB."); + CHECK_MESSAGE( + aabb.grow(-10).is_equal_approx(AABB(Vector3(8.5, 12, 7.5), Vector3(-16, -15, -14))), + "grow() with large negative value should return the expected AABB."); +} + +TEST_CASE("[AABB] Has point") { + const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + CHECK_MESSAGE( + aabb.has_point(Vector3(-1, 3, 0)), + "has_point() with contained point should return the expected value."); + CHECK_MESSAGE( + aabb.has_point(Vector3(2, 3, 0)), + "has_point() with contained point should return the expected value."); + CHECK_MESSAGE( + aabb.has_point(Vector3(-1.5, 3, 0)), + "has_point() with contained point on negative edge should return the expected value."); + CHECK_MESSAGE( + aabb.has_point(Vector3(2.5, 3, 0)), + "has_point() with contained point on positive edge should return the expected value."); + CHECK_MESSAGE( + !aabb.has_point(Vector3(-20, 0, 0)), + "has_point() with non-contained point should return the expected value."); +} + +TEST_CASE("[AABB] Expanding") { + const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6)); + CHECK_MESSAGE( + aabb.expand(Vector3(-1, 3, 0)).is_equal_approx(aabb), + "expand() with contained point should return the expected AABB."); + CHECK_MESSAGE( + aabb.expand(Vector3(2, 3, 0)).is_equal_approx(aabb), + "expand() with contained point should return the expected AABB."); + CHECK_MESSAGE( + aabb.expand(Vector3(-1.5, 3, 0)).is_equal_approx(aabb), + "expand() with contained point on negative edge should return the expected AABB."); + CHECK_MESSAGE( + aabb.expand(Vector3(2.5, 3, 0)).is_equal_approx(aabb), + "expand() with contained point on positive edge should return the expected AABB."); + CHECK_MESSAGE( + aabb.expand(Vector3(-20, 0, 0)).is_equal_approx(AABB(Vector3(-20, 0, -2.5), Vector3(22.5, 7, 6))), + "expand() with non-contained point should return the expected AABB."); +} +} // namespace TestAABB + +#endif // TEST_AABB_H diff --git a/tests/test_main.cpp b/tests/test_main.cpp index 4388654d08c..c9bf9ab5d51 100644 --- a/tests/test_main.cpp +++ b/tests/test_main.cpp @@ -32,6 +32,7 @@ #include "core/templates/list.h" +#include "test_aabb.h" #include "test_astar.h" #include "test_basis.h" #include "test_class_db.h"