virtualx-engine/tests/core/math/test_vector2i.h

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/*************************************************************************/
/* test_vector2i.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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_VECTOR2I_H
#define TEST_VECTOR2I_H
#include "core/math/vector2.h"
#include "core/math/vector2i.h"
#include "tests/test_macros.h"
namespace TestVector2i {
TEST_CASE("[Vector2i] Constructor methods") {
const Vector2i vector_empty = Vector2i();
const Vector2i vector_zero = Vector2i(0, 0);
CHECK_MESSAGE(
vector_empty == vector_zero,
"Vector2i Constructor with no inputs should return a zero Vector2i.");
}
TEST_CASE("[Vector2i] Axis methods") {
Vector2i vector = Vector2i(2, 3);
CHECK_MESSAGE(
vector.max_axis_index() == Vector2i::Axis::AXIS_Y,
"Vector2i max_axis_index should work as expected.");
CHECK_MESSAGE(
vector.min_axis_index() == Vector2i::Axis::AXIS_X,
"Vector2i min_axis_index should work as expected.");
CHECK_MESSAGE(
vector[vector.min_axis_index()] == 2,
"Vector2i array operator should work as expected.");
vector[Vector2i::Axis::AXIS_Y] = 5;
CHECK_MESSAGE(
vector[Vector2i::Axis::AXIS_Y] == 5,
"Vector2i array operator setter should work as expected.");
}
TEST_CASE("[Vector2i] Clamp method") {
const Vector2i vector = Vector2i(10, 10);
CHECK_MESSAGE(
Vector2i(-5, 15).clamp(Vector2i(), vector) == Vector2i(0, 10),
"Vector2i clamp should work as expected.");
CHECK_MESSAGE(
vector.clamp(Vector2i(0, 15), Vector2i(5, 20)) == Vector2i(5, 15),
"Vector2i clamp should work as expected.");
}
TEST_CASE("[Vector2i] Length methods") {
const Vector2i vector1 = Vector2i(10, 10);
const Vector2i vector2 = Vector2i(20, 30);
CHECK_MESSAGE(
vector1.length_squared() == 200,
"Vector2i length_squared should work as expected and return exact result.");
CHECK_MESSAGE(
vector1.length() == doctest::Approx(10 * Math_SQRT2),
"Vector2i length should work as expected.");
CHECK_MESSAGE(
vector2.length_squared() == 1300,
"Vector2i length_squared should work as expected and return exact result.");
CHECK_MESSAGE(
vector2.length() == doctest::Approx(36.05551275463989293119),
"Vector2i length should work as expected.");
}
TEST_CASE("[Vector2i] Operators") {
const Vector2i vector1 = Vector2i(5, 9);
const Vector2i vector2 = Vector2i(2, 3);
CHECK_MESSAGE(
(vector1 + vector2) == Vector2i(7, 12),
"Vector2i addition with integers should give exact results.");
CHECK_MESSAGE(
(vector1 - vector2) == Vector2i(3, 6),
"Vector2i subtraction with integers should give exact results.");
CHECK_MESSAGE(
(vector1 * vector2) == Vector2i(10, 27),
"Vector2i multiplication with integers should give exact results.");
CHECK_MESSAGE(
(vector1 / vector2) == Vector2i(2, 3),
"Vector2i division with integers should give exact results.");
CHECK_MESSAGE(
(vector1 * 2) == Vector2i(10, 18),
"Vector2i multiplication with integers should give exact results.");
CHECK_MESSAGE(
(vector1 / 2) == Vector2i(2, 4),
"Vector2i division with integers should give exact results.");
CHECK_MESSAGE(
((Vector2)vector1) == Vector2(5, 9),
"Vector2i cast to Vector2 should work as expected.");
CHECK_MESSAGE(
((Vector2)vector2) == Vector2(2, 3),
"Vector2i cast to Vector2 should work as expected.");
CHECK_MESSAGE(
Vector2i(Vector2(1.1, 2.9)) == Vector2i(1, 2),
"Vector2i constructed from Vector2 should work as expected.");
}
TEST_CASE("[Vector2i] Other methods") {
const Vector2i vector = Vector2i(1, 3);
CHECK_MESSAGE(
vector.aspect() == doctest::Approx((real_t)1.0 / (real_t)3.0),
"Vector2i aspect should work as expected.");
CHECK_MESSAGE(
Vector2i(1, 2) == vector.min(Vector2i(3, 2)),
"Vector2i min should return expected value.");
CHECK_MESSAGE(
Vector2i(5, 3) == vector.max(Vector2i(5, 2)),
"Vector2i max should return expected value.");
}
TEST_CASE("[Vector2i] Abs and sign methods") {
const Vector2i vector1 = Vector2i(1, 3);
const Vector2i vector2 = Vector2i(1, -3);
CHECK_MESSAGE(
vector1.abs() == vector1,
"Vector2i abs should work as expected.");
CHECK_MESSAGE(
vector2.abs() == vector1,
"Vector2i abs should work as expected.");
CHECK_MESSAGE(
vector1.sign() == Vector2i(1, 1),
"Vector2i sign should work as expected.");
CHECK_MESSAGE(
vector2.sign() == Vector2i(1, -1),
"Vector2i sign should work as expected.");
}
} // namespace TestVector2i
#endif // TEST_VECTOR2I_H