/*
* Project: MoleCuilder
* Description: creates and alters molecular systems
* Copyright (C) 2010-2012 University of Bonn. All rights reserved.
*
*
* This file is part of MoleCuilder.
*
* MoleCuilder is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* MoleCuilder is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MoleCuilder. If not, see .
*/
/*
* LineUnittest.cpp
*
* Created on: May 27, 2010
* Author: crueger
*/
// include config.h
#ifdef HAVE_CONFIG_H
#include
#endif
#include "Exceptions.hpp"
#include "Vector.hpp"
#include
#include
#include
#include
#include
#include "LineUnitTest.hpp"
#include "RealSpaceMatrix.hpp"
#ifdef HAVE_TESTRUNNER
#include "UnitTestMain.hpp"
#endif /*HAVE_TESTRUNNER*/
CPPUNIT_TEST_SUITE_REGISTRATION( LineUnittest );
void LineUnittest::setUp(){
// three lines along the axes
la1 = new Line(zeroVec,unitVec[0]);
la2 = new Line(zeroVec,unitVec[1]);
la3 = new Line(zeroVec,unitVec[2]);
// the lines along the planes defined by two coordinate axes
lp1 = new Line(unitVec[0],unitVec[0]-unitVec[1]);
lp2 = new Line(unitVec[1],unitVec[1]-unitVec[2]);
lp3 = new Line(unitVec[2],unitVec[2]-unitVec[0]);
}
void LineUnittest::tearDown(){
delete la1;
delete la2;
delete la3;
delete lp1;
delete lp2;
delete lp3;
}
void LineUnittest::constructionErrorTest(){
// test some constructions
// direction+origin should never fail
CPPUNIT_ASSERT_NO_THROW(Line(zeroVec,unitVec[0]));
CPPUNIT_ASSERT_NO_THROW(Line(zeroVec,unitVec[1]));
CPPUNIT_ASSERT_NO_THROW(Line(zeroVec,unitVec[2]));
// two points fails if both points are the same
CPPUNIT_ASSERT_NO_THROW(makeLineThrough(unitVec[0],unitVec[1]));
CPPUNIT_ASSERT_NO_THROW(makeLineThrough(unitVec[1],unitVec[2]));
CPPUNIT_ASSERT_NO_THROW(makeLineThrough(unitVec[2],unitVec[0]));
// for zerovectors
CPPUNIT_ASSERT_NO_THROW(makeLineThrough(unitVec[0],zeroVec));
CPPUNIT_ASSERT_NO_THROW(makeLineThrough(unitVec[1],zeroVec));
CPPUNIT_ASSERT_NO_THROW(makeLineThrough(unitVec[2],zeroVec));
// now we pass two times the same point
CPPUNIT_ASSERT_THROW(makeLineThrough(zeroVec,zeroVec),LinearDependenceException);
CPPUNIT_ASSERT_THROW(makeLineThrough(unitVec[0],unitVec[0]),LinearDependenceException);
CPPUNIT_ASSERT_THROW(makeLineThrough(unitVec[1],unitVec[1]),LinearDependenceException);
CPPUNIT_ASSERT_THROW(makeLineThrough(unitVec[2],unitVec[2]),LinearDependenceException);
}
bool testDirection(const Vector &dir1,const Vector &dir2){
return (dir1==dir2) || (dir1==-1*dir2);
}
void LineUnittest::constructionResultTest(){
// test all directions
CPPUNIT_ASSERT(testDirection(la1->getDirection(),unitVec[0]));
CPPUNIT_ASSERT(testDirection(la2->getDirection(),unitVec[1]));
CPPUNIT_ASSERT(testDirection(la3->getDirection(),unitVec[2]));
// test origins
CPPUNIT_ASSERT_EQUAL(la1->getOrigin(),zeroVec);
CPPUNIT_ASSERT_EQUAL(la2->getOrigin(),zeroVec);
CPPUNIT_ASSERT_EQUAL(la2->getOrigin(),zeroVec);
// test if desired points are on the lines
CPPUNIT_ASSERT(la1->isContained(zeroVec));
CPPUNIT_ASSERT(la2->isContained(zeroVec));
CPPUNIT_ASSERT(la3->isContained(zeroVec));
CPPUNIT_ASSERT(la1->isContained(unitVec[0]));
CPPUNIT_ASSERT(la2->isContained(unitVec[1]));
CPPUNIT_ASSERT(la3->isContained(unitVec[2]));
CPPUNIT_ASSERT(lp1->isContained(unitVec[0]));
CPPUNIT_ASSERT(lp2->isContained(unitVec[1]));
CPPUNIT_ASSERT(lp3->isContained(unitVec[2]));
CPPUNIT_ASSERT(lp1->isContained(unitVec[1]));
CPPUNIT_ASSERT(lp2->isContained(unitVec[2]));
CPPUNIT_ASSERT(lp3->isContained(unitVec[0]));
}
void LineUnittest::isContainedTest(){
// Zerovector on the axes lines
CPPUNIT_ASSERT(la1->isContained(zeroVec));
CPPUNIT_ASSERT(la2->isContained(zeroVec));
CPPUNIT_ASSERT(la3->isContained(zeroVec));
// multiples of the second support vector
CPPUNIT_ASSERT(la1->isContained(unitVec[0]));
CPPUNIT_ASSERT(la2->isContained(unitVec[1]));
CPPUNIT_ASSERT(la3->isContained(unitVec[2]));
CPPUNIT_ASSERT(la1->isContained(2*unitVec[0]));
CPPUNIT_ASSERT(la2->isContained(2*unitVec[1]));
CPPUNIT_ASSERT(la3->isContained(2*unitVec[2]));
CPPUNIT_ASSERT(la1->isContained(3*unitVec[0]));
CPPUNIT_ASSERT(la2->isContained(3*unitVec[1]));
CPPUNIT_ASSERT(la3->isContained(3*unitVec[2]));
// negative multiples
CPPUNIT_ASSERT(la1->isContained(-1*unitVec[0]));
CPPUNIT_ASSERT(la2->isContained(-1*unitVec[1]));
CPPUNIT_ASSERT(la3->isContained(-1*unitVec[2]));
CPPUNIT_ASSERT(la1->isContained(-2*unitVec[0]));
CPPUNIT_ASSERT(la2->isContained(-2*unitVec[1]));
CPPUNIT_ASSERT(la3->isContained(-2*unitVec[2]));
// points that should not be on the lines
CPPUNIT_ASSERT(!la1->isContained(unitVec[1]));
CPPUNIT_ASSERT(!la2->isContained(unitVec[2]));
CPPUNIT_ASSERT(!la3->isContained(unitVec[0]));
CPPUNIT_ASSERT(!la1->isContained(2*unitVec[1]));
CPPUNIT_ASSERT(!la2->isContained(2*unitVec[2]));
CPPUNIT_ASSERT(!la3->isContained(2*unitVec[0]));
CPPUNIT_ASSERT(!la1->isContained(-1*unitVec[1]));
CPPUNIT_ASSERT(!la2->isContained(-1*unitVec[2]));
CPPUNIT_ASSERT(!la3->isContained(-1*unitVec[0]));
// For the plane lines
CPPUNIT_ASSERT(lp1->isContained(unitVec[0]));
CPPUNIT_ASSERT(lp2->isContained(unitVec[1]));
CPPUNIT_ASSERT(lp3->isContained(unitVec[2]));
CPPUNIT_ASSERT(lp1->isContained(unitVec[1]));
CPPUNIT_ASSERT(lp2->isContained(unitVec[2]));
CPPUNIT_ASSERT(lp3->isContained(unitVec[0]));
CPPUNIT_ASSERT(lp1->isContained(unitVec[0]+2*(unitVec[0]-unitVec[1])));
CPPUNIT_ASSERT(lp2->isContained(unitVec[1]+2*(unitVec[1]-unitVec[2])));
CPPUNIT_ASSERT(lp3->isContained(unitVec[2]+2*(unitVec[2]-unitVec[0])));
CPPUNIT_ASSERT(lp1->isContained(unitVec[0]-2*(unitVec[0]-unitVec[1])));
CPPUNIT_ASSERT(lp2->isContained(unitVec[1]-2*(unitVec[1]-unitVec[2])));
CPPUNIT_ASSERT(lp3->isContained(unitVec[2]-2*(unitVec[2]-unitVec[0])));
}
void LineUnittest::intersectionTest(){
Vector fixture;
// intersection of the axis lines
fixture = la1->getIntersection(*la2);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
fixture = la2->getIntersection(*la3);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
fixture = la3->getIntersection(*la1);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
// axes and plane lines
fixture = la1->getIntersection(*lp1);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
fixture = la2->getIntersection(*lp2);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
fixture = la3->getIntersection(*lp3);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
fixture = la1->getIntersection(*lp3);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
fixture = la2->getIntersection(*lp1);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
fixture = la3->getIntersection(*lp2);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
// two plane lines
fixture = lp1->getIntersection(*lp2);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
fixture = lp2->getIntersection(*lp3);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
fixture = lp3->getIntersection(*lp1);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
// When we have two times the same line, we check if the point is on the line
fixture = la1->getIntersection(*la1);
CPPUNIT_ASSERT(la1->isContained(fixture));
fixture = la2->getIntersection(*la2);
CPPUNIT_ASSERT(la2->isContained(fixture));
fixture = la3->getIntersection(*la3);
CPPUNIT_ASSERT(la3->isContained(fixture));
fixture = lp1->getIntersection(*lp1);
CPPUNIT_ASSERT(lp1->isContained(fixture));
fixture = lp2->getIntersection(*lp2);
CPPUNIT_ASSERT(lp2->isContained(fixture));
fixture = lp3->getIntersection(*lp3);
CPPUNIT_ASSERT(lp3->isContained(fixture));
// lines that are askew should produce an Error
CPPUNIT_ASSERT_THROW(lp1->getIntersection(*la3),SkewException);
CPPUNIT_ASSERT_THROW(lp2->getIntersection(*la1),SkewException);
CPPUNIT_ASSERT_THROW(lp3->getIntersection(*la2),SkewException);
CPPUNIT_ASSERT_THROW(la1->getIntersection(*lp2),SkewException);
CPPUNIT_ASSERT_THROW(la2->getIntersection(*lp3),SkewException);
CPPUNIT_ASSERT_THROW(la3->getIntersection(*lp1),SkewException);
}
void LineUnittest::rotationTest(){
Vector fixture;
// rotate zero Vector along the axes lines by various degrees
fixture = la1->rotateVector(zeroVec,1.);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
fixture = la2->rotateVector(zeroVec,1.);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
fixture = la3->rotateVector(zeroVec,1.);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
fixture = la1->rotateVector(zeroVec,2.);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
fixture = la2->rotateVector(zeroVec,2.);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
fixture = la3->rotateVector(zeroVec,2.);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
// rotate vectors on the axis around their lines
fixture = la1->rotateVector(unitVec[0],1.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
fixture = la2->rotateVector(unitVec[1],1.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
fixture = la3->rotateVector(unitVec[2],1.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
fixture = la1->rotateVector(unitVec[0],2.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
fixture = la2->rotateVector(unitVec[1],2.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
fixture = la3->rotateVector(unitVec[2],2.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
// more vectors on the axis
fixture = la1->rotateVector(2*unitVec[0],1.);
CPPUNIT_ASSERT_EQUAL(fixture,2*unitVec[0]);
fixture = la2->rotateVector(2*unitVec[1],1.);
CPPUNIT_ASSERT_EQUAL(fixture,2*unitVec[1]);
fixture = la3->rotateVector(2*unitVec[2],1.);
CPPUNIT_ASSERT_EQUAL(fixture,2*unitVec[2]);
fixture = la1->rotateVector(2*unitVec[0],2.);
CPPUNIT_ASSERT_EQUAL(fixture,2*unitVec[0]);
fixture = la2->rotateVector(2*unitVec[1],2.);
CPPUNIT_ASSERT_EQUAL(fixture,2*unitVec[1]);
fixture = la3->rotateVector(2*unitVec[2],2.);
CPPUNIT_ASSERT_EQUAL(fixture,2*unitVec[2]);
// negative factors
fixture = la1->rotateVector(-1*unitVec[0],1.);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[0]);
fixture = la2->rotateVector(-1*unitVec[1],1.);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[1]);
fixture = la3->rotateVector(-1*unitVec[2],1.);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[2]);
fixture = la1->rotateVector(-1*unitVec[0],2.);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[0]);
fixture = la2->rotateVector(-1*unitVec[1],2.);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[1]);
fixture = la3->rotateVector(-1*unitVec[2],2.);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[2]);
// now the real rotations
// unitVec[1] around unitVec[0]
fixture = la1->rotateVector(unitVec[1],0);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
fixture = la1->rotateVector(unitVec[1],1./2.*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[2]);
fixture = la1->rotateVector(unitVec[1],M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[1]);
fixture = la1->rotateVector(unitVec[1],2*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
// unitVec[2] around unitVec[1]
fixture = la2->rotateVector(unitVec[2],0);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
fixture = la2->rotateVector(unitVec[2],1./2.*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[0]);
fixture = la2->rotateVector(unitVec[2],M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[2]);
fixture = la2->rotateVector(unitVec[2],2*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
// unitVec[0] around unitVec[2]
fixture = la3->rotateVector(unitVec[0],0);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
fixture = la3->rotateVector(unitVec[0],1./2.*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[1]);
fixture = la3->rotateVector(unitVec[0],M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[0]);
fixture = la3->rotateVector(unitVec[0],2*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
// and some rotation around the plane lines
// Vectors on the line
fixture = lp1->rotateVector(unitVec[0],1.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
fixture = lp1->rotateVector(unitVec[1],1.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
fixture = lp2->rotateVector(unitVec[1],1.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
fixture = lp2->rotateVector(unitVec[2],1.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
fixture = lp3->rotateVector(unitVec[2],1.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
fixture = lp3->rotateVector(unitVec[0],1.);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
// the real stuff
fixture = lp1->rotateVector(zeroVec,M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,Vector(1,1,0));
fixture = lp2->rotateVector(zeroVec,M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,Vector(0,1,1));
fixture = lp3->rotateVector(zeroVec,M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,Vector(1,0,1));
fixture = lp1->rotateVector(zeroVec,2*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
fixture = lp2->rotateVector(zeroVec,2*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
fixture = lp3->rotateVector(zeroVec,2*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,zeroVec);
}
void LineUnittest::getRotationMatrixTest()
{
RealSpaceMatrix M;
Vector fixture;
// check getRotationMatrix;
M = la1->getRotationMatrix(1.);
fixture = M * unitVec[0];
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
M = la2->getRotationMatrix(1.);
fixture = M * unitVec[1];
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
M = la3->getRotationMatrix(1.);
fixture = M * unitVec[2];
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
// unitVec[1] around unitVec[0]
fixture = la1->rotateVector(unitVec[1],0);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
fixture = la1->rotateVector(unitVec[1],1./2.*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[2]);
fixture = la1->rotateVector(unitVec[1],M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[1]);
fixture = la1->rotateVector(unitVec[1],2*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[1]);
// unitVec[2] around unitVec[1]
fixture = la2->rotateVector(unitVec[2],0);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
fixture = la2->rotateVector(unitVec[2],1./2.*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[0]);
fixture = la2->rotateVector(unitVec[2],M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[2]);
fixture = la2->rotateVector(unitVec[2],2*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[2]);
// unitVec[0] around unitVec[2]
fixture = la3->rotateVector(unitVec[0],0);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
fixture = la3->rotateVector(unitVec[0],1./2.*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[1]);
fixture = la3->rotateVector(unitVec[0],M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,-1*unitVec[0]);
fixture = la3->rotateVector(unitVec[0],2*M_PI);
CPPUNIT_ASSERT_EQUAL(fixture,unitVec[0]);
}
void LineUnittest::sphereIntersectionTest(){
{
std::vector res = la1->getSphereIntersections();
CPPUNIT_ASSERT_EQUAL(res.size(),(size_t)2);
CPPUNIT_ASSERT(testDirection(res[0],unitVec[0]));
CPPUNIT_ASSERT(testDirection(res[1],unitVec[0]));
CPPUNIT_ASSERT(res[0]!=res[1]);
}
{
std::vector res = la2->getSphereIntersections();
CPPUNIT_ASSERT_EQUAL(res.size(),(size_t)2);
CPPUNIT_ASSERT(testDirection(res[0],unitVec[1]));
CPPUNIT_ASSERT(testDirection(res[1],unitVec[1]));
CPPUNIT_ASSERT(res[0]!=res[1]);
}
{
std::vector res = la3->getSphereIntersections();
CPPUNIT_ASSERT_EQUAL(res.size(),(size_t)2);
CPPUNIT_ASSERT(testDirection(res[0],unitVec[2]));
CPPUNIT_ASSERT(testDirection(res[1],unitVec[2]));
CPPUNIT_ASSERT(res[0]!=res[1]);
}
{
std::vector res = lp1->getSphereIntersections();
CPPUNIT_ASSERT_EQUAL(res.size(),(size_t)2);
CPPUNIT_ASSERT((res[0]==unitVec[0]) || (res[0]==unitVec[1]));
CPPUNIT_ASSERT((res[1]==unitVec[0]) || (res[1]==unitVec[1]));
CPPUNIT_ASSERT(res[0]!=res[1]);
}
{
std::vector res = lp2->getSphereIntersections();
CPPUNIT_ASSERT_EQUAL(res.size(),(size_t)2);
CPPUNIT_ASSERT((res[0]==unitVec[1]) || (res[0]==unitVec[2]));
CPPUNIT_ASSERT((res[1]==unitVec[1]) || (res[1]==unitVec[2]));
CPPUNIT_ASSERT(res[0]!=res[1]);
}
{
std::vector res = lp3->getSphereIntersections();
CPPUNIT_ASSERT_EQUAL(res.size(),(size_t)2);
CPPUNIT_ASSERT((res[0]==unitVec[2]) || (res[0]==unitVec[0]));
CPPUNIT_ASSERT((res[1]==unitVec[2]) || (res[1]==unitVec[0]));
CPPUNIT_ASSERT(res[0]!=res[1]);
}
}