222 lines
8.2 KiB
C++
222 lines
8.2 KiB
C++
/********************************************************************************
|
|
* ReactPhysics3D physics library, http://www.reactphysics3d.com *
|
|
* Copyright (c) 2010-2016 Daniel Chappuis *
|
|
*********************************************************************************
|
|
* *
|
|
* This software is provided 'as-is', without any express or implied warranty. *
|
|
* In no event will the authors be held liable for any damages arising from the *
|
|
* use of this software. *
|
|
* *
|
|
* Permission is granted to anyone to use this software for any purpose, *
|
|
* including commercial applications, and to alter it and redistribute it *
|
|
* freely, subject to the following restrictions: *
|
|
* *
|
|
* 1. The origin of this software must not be misrepresented; you must not claim *
|
|
* that you wrote the original software. If you use this software in a *
|
|
* product, an acknowledgment in the product documentation would be *
|
|
* appreciated but is not required. *
|
|
* *
|
|
* 2. Altered source versions must be plainly marked as such, and must not be *
|
|
* misrepresented as being the original software. *
|
|
* *
|
|
* 3. This notice may not be removed or altered from any source distribution. *
|
|
* *
|
|
********************************************************************************/
|
|
|
|
#ifndef TEST_VECTOR2_H
|
|
#define TEST_VECTOR2_H
|
|
|
|
// Libraries
|
|
#include "Test.h"
|
|
#include "mathematics/Vector2.h"
|
|
|
|
/// Reactphysics3D namespace
|
|
namespace reactphysics3d {
|
|
|
|
// Class TestVector2
|
|
/**
|
|
* Unit test for the Vector2 class
|
|
*/
|
|
class TestVector2 : public Test {
|
|
|
|
private :
|
|
|
|
// ---------- Atributes ---------- //
|
|
|
|
/// Zero vector
|
|
Vector2 mVectorZero;
|
|
|
|
// Vector (3, 4)
|
|
Vector2 mVector34;
|
|
|
|
public :
|
|
|
|
// ---------- Methods ---------- //
|
|
|
|
/// Constructor
|
|
TestVector2(const std::string& name) : Test(name), mVectorZero(0, 0), mVector34(3, 4) {}
|
|
|
|
/// Run the tests
|
|
void run() {
|
|
testConstructors();
|
|
testLengthMethods();
|
|
testDotProduct();
|
|
testOthersMethods();
|
|
testOperators();
|
|
}
|
|
|
|
/// Test the constructors, getter and setter
|
|
void testConstructors() {
|
|
|
|
// Test constructor
|
|
test(mVectorZero.x == 0.0);
|
|
test(mVectorZero.y == 0.0);
|
|
test(mVector34.x == 3.0);
|
|
test(mVector34.y == 4.0);
|
|
|
|
// Test copy-constructor
|
|
Vector2 newVector(mVector34);
|
|
test(newVector.x == 3.0);
|
|
test(newVector.y == 4.0);
|
|
|
|
// Test method to set values
|
|
Vector2 newVector2;
|
|
newVector2.setAllValues(decimal(6.1), decimal(7.2));
|
|
test(approxEqual(newVector2.x, decimal(6.1)));
|
|
test(approxEqual(newVector2.y, decimal(7.2)));
|
|
|
|
// Test method to set to zero
|
|
newVector2.setToZero();
|
|
test(newVector2 == Vector2(0, 0));
|
|
}
|
|
|
|
/// Test the length, unit vector and normalize methods
|
|
void testLengthMethods() {
|
|
|
|
// Test length methods
|
|
test(mVectorZero.length() == 0.0);
|
|
test(mVectorZero.lengthSquare() == 0.0);
|
|
test(Vector2(1, 0).length() == 1.0);
|
|
test(Vector2(0, 1).length() == 1.0);
|
|
test(mVector34.lengthSquare() == 25.0);
|
|
|
|
// Test unit vector methods
|
|
test(Vector2(1, 0).isUnit());
|
|
test(Vector2(0, 1).isUnit());
|
|
test(!mVector34.isUnit());
|
|
test(Vector2(5, 0).getUnit() == Vector2(1, 0));
|
|
test(Vector2(0, 5).getUnit() == Vector2(0, 1));
|
|
|
|
test(!mVector34.isZero());
|
|
test(mVectorZero.isZero());
|
|
|
|
// Test normalization method
|
|
Vector2 mVector10(1, 0);
|
|
Vector2 mVector01(0, 1);
|
|
Vector2 mVector50(5, 0);
|
|
Vector2 mVector05(0, 5);
|
|
mVector10.normalize();
|
|
mVector01.normalize();
|
|
mVector50.normalize();
|
|
mVector05.normalize();
|
|
test(mVector10 == Vector2(1, 0));
|
|
test(mVector01 == Vector2(0, 1));
|
|
test(mVector50 == Vector2(1, 0));
|
|
test(mVector05 == Vector2(0, 1));
|
|
}
|
|
|
|
/// Test the dot product
|
|
void testDotProduct() {
|
|
|
|
// Test the dot product
|
|
test(Vector2(5, 0).dot(Vector2(0, 8)) == 0);
|
|
test(Vector2(5, 8).dot(Vector2(0, 0)) == 0);
|
|
test(Vector2(12, 45).dot(Vector2(0, 0)) == 0);
|
|
test(Vector2(5, 7).dot(Vector2(5, 7)) == 74);
|
|
test(Vector2(3, 6).dot(Vector2(-3, -6)) == -45);
|
|
test(Vector2(2, 3).dot(Vector2(-7, 4)) == -2);
|
|
test(Vector2(4, 3).dot(Vector2(8, 9)) == 59);
|
|
}
|
|
|
|
/// Test others methods
|
|
void testOthersMethods() {
|
|
|
|
// Test the method that returns the absolute vector
|
|
test(Vector2(4, 5).getAbsoluteVector() == Vector2(4, 5));
|
|
test(Vector2(-7, -24).getAbsoluteVector() == Vector2(7, 24));
|
|
|
|
// Test the method that returns the minimal element
|
|
test(Vector2(6, 35).getMinAxis() == 0);
|
|
test(Vector2(564, 45).getMinAxis() == 1);
|
|
test(Vector2(98, 23).getMinAxis() == 1);
|
|
test(Vector2(-53, -25).getMinAxis() == 0);
|
|
|
|
// Test the method that returns the maximal element
|
|
test(Vector2(6, 35).getMaxAxis() == 1);
|
|
test(Vector2(7, 537).getMaxAxis() == 1);
|
|
test(Vector2(98, 23).getMaxAxis() == 0);
|
|
test(Vector2(-53, -25).getMaxAxis() == 1);
|
|
|
|
// Test the methot that return a max/min vector
|
|
Vector2 vec1(-5, 4);
|
|
Vector2 vec2(-8, 6);
|
|
test(Vector2::min(vec1, vec2) == Vector2(-8, 4));
|
|
test(Vector2::max(vec1, vec2) == Vector2(-5, 6));
|
|
}
|
|
|
|
/// Test the operators
|
|
void testOperators() {
|
|
|
|
// Test the [] operator
|
|
test(mVector34[0] == 3);
|
|
test(mVector34[1] == 4);
|
|
|
|
// Assignment operator
|
|
Vector2 newVector(6, 4);
|
|
newVector = Vector2(7, 8);
|
|
test(newVector == Vector2(7, 8));
|
|
|
|
// Equality, inequality operators
|
|
test(Vector2(5, 7) == Vector2(5, 7));
|
|
test(Vector2(63, 64) != Vector2(63, 84));
|
|
test(Vector2(63, 64) != Vector2(12, 64));
|
|
|
|
// Addition, substraction
|
|
Vector2 vector1(6, 33);
|
|
Vector2 vector2(7, 68);
|
|
test(Vector2(63, 24) + Vector2(3, 4) == Vector2(66, 28));
|
|
test(Vector2(63, 24) - Vector2(3, 4) == Vector2(60, 20));
|
|
vector1 += Vector2(5, 10);
|
|
vector2 -= Vector2(10, 21);
|
|
test(vector1 == Vector2(11, 43));
|
|
test(vector2 == Vector2(-3, 47));
|
|
|
|
// Multiplication, division
|
|
Vector2 vector3(6, 33);
|
|
Vector2 vector4(15, 60);
|
|
test(Vector2(63, 24) * 3 == Vector2(189, 72));
|
|
test(3 * Vector2(63, 24) == Vector2(189, 72));
|
|
test(Vector2(14, 8) / 2 == Vector2(7, 4));
|
|
vector3 *= 10;
|
|
vector4 /= 3;
|
|
test(vector3 == Vector2(60, 330));
|
|
test(vector4 == Vector2(5, 20));
|
|
Vector2 vector5(21, 80);
|
|
Vector2 vector6(7, 10);
|
|
Vector2 vector7 = vector5 * vector6;
|
|
test(vector7 == Vector2(147, 800));
|
|
Vector2 vector8 = vector5 / vector6;
|
|
test(approxEqual(vector8.x, 3));
|
|
test(approxEqual(vector8.y, 8));
|
|
|
|
// Negative operator
|
|
Vector2 vector9(-34, 5);
|
|
Vector2 negative = -vector9;
|
|
test(negative == Vector2(34, -5));
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|