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QhullRidge_test.cpp
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Tue, Jul 30, 12:24

QhullRidge_test.cpp
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/****************************************************************************
**
** Copyright (c) 2008-2015 C.B. Barber. All rights reserved.
** $Id: //main/2015/qhull/src/qhulltest/QhullRidge_test.cpp#3 $$Change: 2062 $
** $DateTime: 2016/01/17 13:13:18 $$Author: bbarber $
**
****************************************************************************/
//pre-compiled headers
#include <iostream>
#include "RoadTest.h" // QT_VERSION
#include "libqhullcpp/QhullRidge.h"
#include "libqhullcpp/QhullError.h"
#include "libqhullcpp/RboxPoints.h"
#include "libqhullcpp/QhullFacet.h"
#include "libqhullcpp/Qhull.h"
using std::cout;
using std::endl;
using std::ostringstream;
using std::ostream;
using std::string;
namespace orgQhull {
class QhullRidge_test : public RoadTest
{
Q_OBJECT
#//!\name Test slots
private slots:
void cleanup();
void t_construct();
void t_getSet();
void t_foreach();
void t_io();
};//QhullRidge_test
void
add_QhullRidge_test()
{
new QhullRidge_test(); // RoadTest::s_testcases
}
//Executed after each testcase
void QhullRidge_test::
cleanup()
{
RoadTest::cleanup();
}
void QhullRidge_test::
t_construct()
{
// Qhull.runQhull() constructs QhullFacets as facetT
RboxPoints rcube("c");
Qhull q(rcube,"QR0"); // triangulation of rotated unit cube
QhullRidge r(q);
QVERIFY(!r.isValid());
QCOMPARE(r.dimension(),2);
QhullFacet f(q.firstFacet());
QhullRidgeSet rs(f.ridges());
QVERIFY(!rs.isEmpty()); // Simplicial facets do not have ridges()
QhullRidge r2(rs.first());
QCOMPARE(r2.dimension(), 2); // One dimension lower than the facet
r= r2;
QVERIFY(r.isValid());
QCOMPARE(r.dimension(), 2);
QhullRidge r3(q, r2.getRidgeT());
QCOMPARE(r,r3);
QhullRidge r4(q, r2.getBaseT());
QCOMPARE(r,r4);
QhullRidge r5= r2; // copy constructor
QVERIFY(r5==r2);
QVERIFY(r5==r);
}//t_construct
void QhullRidge_test::
t_getSet()
{
RboxPoints rcube("c");
{
Qhull q(rcube,"QR0"); // triangulation of rotated unit cube
QCOMPARE(q.facetCount(), 6);
QCOMPARE(q.vertexCount(), 8);
QhullFacet f(q.firstFacet());
QhullRidgeSet rs= f.ridges();
QhullRidgeSetIterator i(rs);
while(i.hasNext()){
const QhullRidge r= i.next();
cout << r.id() << endl;
QVERIFY(r.bottomFacet()!=r.topFacet());
QCOMPARE(r.dimension(), 2); // Ridge one-dimension less than facet
QVERIFY(r.id()>=0 && r.id()<9*27);
QVERIFY(r.isValid());
QVERIFY(r==r);
QVERIFY(r==i.peekPrevious());
QCOMPARE(r.otherFacet(r.bottomFacet()),r.topFacet());
QCOMPARE(r.otherFacet(r.topFacet()),r.bottomFacet());
}
}
}//t_getSet
void QhullRidge_test::
t_foreach()
{
RboxPoints rcube("c"); // cube
{
Qhull q(rcube, "QR0"); // rotated cube
QhullFacet f(q.firstFacet());
foreach (const QhullRidge &r, f.ridges()){ // Qt only
QhullVertexSet vs= r.vertices();
QCOMPARE(vs.count(), 2);
foreach (const QhullVertex &v, vs){ // Qt only
QVERIFY(f.vertices().contains(v));
}
}
QhullRidgeSet rs= f.ridges();
QhullRidge r= rs.first();
QhullRidge r2= r;
QList<QhullVertex> vs;
int count= 0;
while(!count || r2!=r){
++count;
QhullVertex v(q);
QVERIFY2(r2.hasNextRidge3d(f),"A cube should only have non-simplicial facets.");
QhullRidge r3= r2.nextRidge3d(f, &v);
QVERIFY(!vs.contains(v));
vs << v;
r2= r2.nextRidge3d(f);
QCOMPARE(r3, r2);
}
QCOMPARE(vs.count(), rs.count());
QCOMPARE(count, rs.count());
}
}//t_foreach
void QhullRidge_test::
t_io()
{
RboxPoints rcube("c");
{
Qhull q(rcube, "");
QhullFacet f(q.firstFacet());
QhullRidgeSet rs= f.ridges();
QhullRidge r= rs.first();
ostringstream os;
os << "Ridges\n" << rs << "Ridge\n" << r;
os << r.print("\nRidge with message");
cout << os.str();
QString s= QString::fromStdString(os.str());
QCOMPARE(s.count(" r"), 6);
}
}//t_io
}//orgQhull
#include "moc/QhullRidge_test.moc"

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