reactphysics3d/test/tests/mathematics/TestMathematicsFunctions.h
2016-04-11 20:15:20 +02:00

134 lines
5.4 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_MATHEMATICS_FUNCTIONS_H
#define TEST_MATHEMATICS_FUNCTIONS_H
// Libraries
#include "Test.h"
#include "mathematics/mathematics_functions.h"
/// Reactphysics3D namespace
namespace reactphysics3d {
// Class TestMathematicsFunctions
/**
* Unit test for mathematics functions
*/
class TestMathematicsFunctions : public Test {
private :
// ---------- Atributes ---------- //
public :
// ---------- Methods ---------- //
/// Constructor
TestMathematicsFunctions(const std::string& name): Test(name) {}
/// Run the tests
void run() {
// Test approxEqual()
test(approxEqual(2, 7, 5.2));
test(approxEqual(7, 2, 5.2));
test(approxEqual(6, 6));
test(!approxEqual(1, 5));
test(!approxEqual(1, 5, 3));
test(approxEqual(-2, -2));
test(approxEqual(-2, -7, 6));
test(!approxEqual(-2, 7, 2));
test(approxEqual(-3, 8, 12));
test(!approxEqual(-3, 8, 6));
// Test clamp()
test(clamp(4, -3, 5) == 4);
test(clamp(-3, 1, 8) == 1);
test(clamp(45, -6, 7) == 7);
test(clamp(-5, -2, -1) == -2);
test(clamp(-5, -9, -1) == -5);
test(clamp(6, 6, 9) == 6);
test(clamp(9, 6, 9) == 9);
test(clamp(decimal(4), decimal(-3), decimal(5)) == decimal(4));
test(clamp(decimal(-3), decimal(1), decimal(8)) == decimal(1));
test(clamp(decimal(45), decimal(-6), decimal(7)) == decimal(7));
test(clamp(decimal(-5), decimal(-2), decimal(-1)) == decimal(-2));
test(clamp(decimal(-5), decimal(-9), decimal(-1)) == decimal(-5));
test(clamp(decimal(6), decimal(6), decimal(9)) == decimal(6));
test(clamp(decimal(9), decimal(6), decimal(9)) == decimal(9));
// Test min3()
test(min3(1, 5, 7) == 1);
test(min3(-4, 2, 4) == -4);
test(min3(-1, -5, -7) == -7);
test(min3(13, 5, 47) == 5);
test(min3(4, 4, 4) == 4);
// Test max3()
test(max3(1, 5, 7) == 7);
test(max3(-4, 2, 4) == 4);
test(max3(-1, -5, -7) == -1);
test(max3(13, 5, 47) == 47);
test(max3(4, 4, 4) == 4);
// Test sameSign()
test(sameSign(4, 53));
test(sameSign(-4, -8));
test(!sameSign(4, -7));
test(!sameSign(-4, 53));
// Test computeBarycentricCoordinatesInTriangle()
Vector3 a(0, 0, 0);
Vector3 b(5, 0, 0);
Vector3 c(0, 0, 5);
Vector3 testPoint(4, 0, 1);
decimal u,v,w;
computeBarycentricCoordinatesInTriangle(a, b, c, a, u, v, w);
test(approxEqual(u, 1.0, 0.000001));
test(approxEqual(v, 0.0, 0.000001));
test(approxEqual(w, 0.0, 0.000001));
computeBarycentricCoordinatesInTriangle(a, b, c, b, u, v, w);
test(approxEqual(u, 0.0, 0.000001));
test(approxEqual(v, 1.0, 0.000001));
test(approxEqual(w, 0.0, 0.000001));
computeBarycentricCoordinatesInTriangle(a, b, c, c, u, v, w);
test(approxEqual(u, 0.0, 0.000001));
test(approxEqual(v, 0.0, 0.000001));
test(approxEqual(w, 1.0, 0.000001));
computeBarycentricCoordinatesInTriangle(a, b, c, testPoint, u, v, w);
test(approxEqual(u + v + w, 1.0, 0.000001));
}
};
}
#endif