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UsingQhullLib_test.cpp
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Tue, Jun 3, 02:55

UsingQhullLib_test.cpp
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/****************************************************************************
**
** Copyright (C) 2008-2009 C. Bradford Barber. All rights reserved.
** $Id: //product/qhull/main/rel/cpp/qhulltest/UsingQhullLib_test.cpp#11 $$Change: 1091 $
** $DateTime: 2009/11/23 22:13:59 $$Author: bbarber $
**
****************************************************************************/
#include <iostream>
#include "../road/RoadTest.h" // QT_VERSION
#include "Qhull.h"
#include "QhullError.h"
#include "UsingQhullLib.h"
using std::cout;
using std::endl;
using std::string;
namespace orgQhull {
//! Test C++ interface to Qhull
//! See eg/q_test for tests of Qhull commands
class UsingQhullLib_test : public RoadTest
{
Q_OBJECT
#//Test slots
private slots:
void cleanup();
void t_classMembers();
void t_globalPoints();
void t_UsingQhullLib();
void t_methods();
void t_cleanuptestcase();
};//UsingQhullLib_test
void
add_UsingQhullLib_test()
{
new UsingQhullLib_test();
}
//Executed after each testcase
void UsingQhullLib_test::
cleanup()
{
UsingQhullLib::checkQhullMemoryEmpty();
RoadTest::cleanup();
}
void UsingQhullLib_test::
t_classMembers()
{
{
//checkQhullMemoryEmpty tested by cleanup()
QCOMPARE(UsingQhullLib::globalMachineEpsilon()+1.0, 1.0);
RboxPoints r10("10");
Qhull q(r10,"v"); // voronoi diagram of 10 points
UsingQhullLib::unsetGlobalAngleEpsilon();
UsingQhullLib::unsetGlobalDistanceEpsilon();
cout << "MachineEpsilon " << UsingQhullLib::globalMachineEpsilon()
<< " angleEpsilon " << UsingQhullLib::globalAngleEpsilon()
<< " distanceEpsilon " << UsingQhullLib::globalDistanceEpsilon()
<< endl;
QCOMPARE(UsingQhullLib::currentAngleEpsilon()+1.0, 1.0);
QVERIFY(UsingQhullLib::currentAngleEpsilon() > UsingQhullLib::globalMachineEpsilon());
QCOMPARE(UsingQhullLib::currentDistanceEpsilon()+1.0, 1.0);
QVERIFY(UsingQhullLib::currentDistanceEpsilon() >= UsingQhullLib::currentAngleEpsilon());
QCOMPARE(UsingQhullLib::currentQhull().runId(), q.runId());
QCOMPARE(UsingQhullLib::globalAngleEpsilon()+1.0, UsingQhullLib::currentAngleEpsilon()+1.0);
QCOMPARE(UsingQhullLib::currentVertexDimension(), q.dimension());
QCOMPARE(UsingQhullLib::globalDistanceEpsilon()+1.0, UsingQhullLib::currentDistanceEpsilon()+1.0);
UsingQhullLib::setGlobalAngleEpsilon(1.0);
UsingQhullLib::setGlobalDistanceEpsilon(1.0);
cout << " Global angleEpsilon " << UsingQhullLib::globalAngleEpsilon()
<< " distanceEpsilon " << UsingQhullLib::globalDistanceEpsilon()
<< endl;
QCOMPARE(UsingQhullLib::globalAngleEpsilon(), UsingQhullLib::globalDistanceEpsilon());
QVERIFY(UsingQhullLib::currentAngleEpsilon() != UsingQhullLib::globalAngleEpsilon());
UsingQhullLib::setGlobalVertexDimension(3);
QCOMPARE(UsingQhullLib::globalVertexDimension(), UsingQhullLib::currentVertexDimension());
UsingQhullLib::setGlobalVertexDimension(2);
QCOMPARE(UsingQhullLib::globalVertexDimension(), 2);
QCOMPARE(UsingQhullLib::currentVertexDimension(), q.dimension());
QVERIFY(UsingQhullLib::currentDistanceEpsilon() != UsingQhullLib::globalDistanceEpsilon());
UsingQhullLib::unsetGlobalAngleEpsilon();
UsingQhullLib::unsetGlobalVertexDimension();
UsingQhullLib::unsetGlobalDistanceEpsilon();
QCOMPARE(UsingQhullLib::currentAngleEpsilon()+1.0, UsingQhullLib::globalAngleEpsilon()+1.0);
QCOMPARE(UsingQhullLib::globalVertexDimension(), UsingQhullLib::currentVertexDimension());
QCOMPARE(UsingQhullLib::currentDistanceEpsilon()+1.0, UsingQhullLib::globalDistanceEpsilon()+1.0);
UsingQhullLib::setGlobals();
}
QCOMPARE(UsingQhullLib::globalAngleEpsilon()+1.0, 1.0);
QCOMPARE(UsingQhullLib::globalVertexDimension(), 4); // 'v'. VertexDimension is only used for QhullVertex where dim>15
QCOMPARE(UsingQhullLib::globalDistanceEpsilon()+1.0, 1.0);
UsingQhullLib::unsetGlobals();
try{
cout<< UsingQhullLib::globalVertexDimension();
QFAIL("Did not throw error for undefined dimension.");
}catch(const std::exception &e){
cout<< "INFO Caught error -- " << e.what() << endl;
}
}//t_classMembers
void UsingQhullLib_test::
t_globalPoints()
{
const coordT *r10PointsBegin;
{
RboxPoints r10("10");
Qhull q(r10,"v"); // voronoi diagram of 10 points
UsingQhullLib::unsetGlobalPoints();
int dimension;
const coordT *pointsEnd;
const coordT *pointsBegin= UsingQhullLib::globalPoints(&dimension, &pointsEnd);
cout << "pointsBegin " << pointsBegin
<< " pointsEnd " << pointsEnd
<< " dimension " << dimension
<< endl;
int dimension2;
const coordT *pointsEnd2;
const coordT *pointsBegin2= UsingQhullLib::currentPoints(&dimension2, &pointsEnd2);
QCOMPARE(pointsBegin2, pointsBegin);
QCOMPARE(pointsEnd2, pointsEnd);
QCOMPARE(dimension2, dimension);
coordT c[]= { 1.0,2.0, 3.0,4.0, 5.0,6.0 };
UsingQhullLib::setGlobalPoints(2, c, c+3*2);
pointsBegin= UsingQhullLib::globalPoints(&dimension, &pointsEnd);
QCOMPARE(pointsBegin, c);
QCOMPARE(pointsEnd[-1], 6.0);
QCOMPARE(dimension, 2);
UsingQhullLib::unsetGlobalPoints();
pointsBegin= UsingQhullLib::globalPoints(&dimension, &pointsEnd);
QCOMPARE(pointsBegin, pointsBegin2);
QCOMPARE(pointsEnd, pointsEnd2);
QCOMPARE(dimension, dimension2);
UsingQhullLib::setGlobals();
r10PointsBegin= pointsBegin;
}
int dimension3;
const coordT *pointsEnd3;
const coordT *pointsBegin3= UsingQhullLib::currentPoints(&dimension3, &pointsEnd3);
QCOMPARE(pointsBegin3, r10PointsBegin); // Memory was freed
QCOMPARE(pointsEnd3, r10PointsBegin+10*4);
QCOMPARE(dimension3, 4);
UsingQhullLib::unsetGlobals();
try{
pointsBegin3= UsingQhullLib::globalPoints(&dimension3, &pointsEnd3);
QFAIL("Did not throw error for undefined global points.");
}catch(const std::exception &e){
cout<< "INFO Caught error -- " << e.what() << endl;
}
}//t_globalPoints
void UsingQhullLib_test::
t_UsingQhullLib()
{
{
Qhull q;
UsingQhullLib uq(&q); // Normally created in a method using 'this'
try{
Qhull q2; // If qh_QHpointer, QhullQh() calls usinQhullLib()
UsingQhullLib uq2(&q2);
QFAIL("UsingQhullLib did not fail.");
}catch (const std::exception &e) {
cout<< "INFO : Caught " << e.what();
}
}
Qhull q3;
UsingQhullLib uq3(&q3);
}//t_UsingQhullLib
void UsingQhullLib_test::
t_methods()
{
Qhull q;
UsingQhullLib u(&q); // Normally created in a method using 'this'
QVERIFY(u.defined());
u.maybeThrowQhullMessage(0); // Nothing thrown
try{
u.maybeThrowQhullMessage(1);
QFAIL("maybeThrowQhullMessage(1) did not fail.");
}catch (const std::exception &e) {
cout<< "INFO : Caught " << e.what();
}
// Can not check checkRunId() in maybeThrowQhullMessage(). Requires another thread.
u.maybeThrowQhullMessage(2, UsingQhullLib::NOthrow);
try{
throw QhullError(10054, "Report previous NOthrow error");
}catch (const std::exception &e) {
cout<< "INFO : " << e.what();
}
}//t_methods
// Executed after last test
void UsingQhullLib_test::
t_cleanuptestcase()
{
UsingQhullLib::unsetGlobals();
}//t_cleanuptestcase
}//orgQhull
#include "moc/UsingQhullLib_test.moc"

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