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/***************************************************************************
* *
* copyright : (C) 2007 The University of Toronto *
* *
* This program 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. *
* *
***************************************************************************/
#include "testhistogram.h"
#include <QtTest>
#include <generatedvector.h>
#include <datacollection.h>
#include <objectstore.h>
#include <histogram.h>
static Kst::ObjectStore _store;
void TestHistogram::cleanupTestCase() {
_store.clear();
}
void TestHistogram::testHistogram() {
Kst::GeneratedVectorPtr gvp = Kst::kst_cast<Kst::GeneratedVector>(_store.createObject<Kst::GeneratedVector>());
Q_ASSERT(gvp);
QCOMPARE(gvp->length(), 1);
gvp->changeRange(0, 10, 100);
QCOMPARE(gvp->max(), 0.0);
QCOMPARE(gvp->length(), 100);
gvp->internalUpdate();
QCOMPARE(gvp->max(), 10.0);
QCOMPARE(gvp->length(), 100);
Kst::VectorPtr vp(gvp);
QCOMPARE(vp->max(), 10.0);
Kst::HistogramPtr h1 = Kst::kst_cast<Kst::Histogram>(_store.createObject<Kst::Histogram>());
h1->change(vp, 0, 10, 10, Kst::Histogram::Number);
QVERIFY(!h1->realTimeAutoBin()); // should be false by default
QCOMPARE(h1->numberOfBins(), 10);
h1->writeLock();
h1->internalUpdate();
h1->unlock();
QCOMPARE(h1->vMin(), 0.0);
QCOMPARE(h1->vMax(), 10.0);
QCOMPARE(h1->vNumSamples(), 100);
int count = 0;
for (int i=0; i<10; i++) {
count += int(h1->vY()->value(i));
}
h1->setRealTimeAutoBin(true);
QVERIFY(h1->realTimeAutoBin());
//dumpPoints(h1, 10);
QCOMPARE(count, 100); // should account for the whole vector
h1->setNumberOfBins(11);
QVERIFY(!h1->realTimeAutoBin());
QCOMPARE(h1->numberOfBins(), 11);
QCOMPARE(h1->vMin(), 0.0);
QCOMPARE(h1->vMax(), 10.0);
QCOMPARE(h1->vNumSamples(), 100);
h1->writeLock();
h1->internalUpdate();
h1->unlock();
count = 0;
for (int i=0; i<11; i++) {
count += int(h1->vY()->value(i));
}
//dumpPoints(h1, 11);
QCOMPARE(count, 100); // should still account for the whole vector
h1->setNumberOfBins(9);
QCOMPARE(h1->numberOfBins(), 9);
QCOMPARE(h1->vMin(), 0.0);
QCOMPARE(h1->vMax(), 10.0);
QCOMPARE(h1->vNumSamples(), 100);
h1->writeLock();
h1->internalUpdate();
h1->unlock();
count = 0;
for (int i=0; i<9; i++) {
count += int(h1->vY()->value(i));
}
//dumpPoints(h1, 9);
QCOMPARE(count, 100); // should still account for the whole vector
// min > max
h1 = Kst::kst_cast<Kst::Histogram>(_store.createObject<Kst::Histogram>());
h1->change(vp, 10, 0, 10, Kst::Histogram::Number);
QCOMPARE(h1->numberOfBins(), 10);
QCOMPARE(h1->xMin(), 0.0);
QCOMPARE(h1->xMax(), 10.0);
QCOMPARE(h1->vMin(), 0.0);
QCOMPARE(h1->vMax(), 10.0);
QCOMPARE(h1->vNumSamples(), 100);
// min == max
h1 = Kst::kst_cast<Kst::Histogram>(_store.createObject<Kst::Histogram>());
h1->change(vp, 10, 10, 2, Kst::Histogram::Number);
QCOMPARE(h1->numberOfBins(), 2);
QCOMPARE(h1->xMin(), 9.0);
QCOMPARE(h1->xMax(), 11.0);
QCOMPARE(h1->vMin(), 0.0);
QCOMPARE(h1->vMax(), 10.0);
QCOMPARE(h1->vNumSamples(), 100);
// max < min
h1 = Kst::kst_cast<Kst::Histogram>(_store.createObject<Kst::Histogram>());
h1->change(vp, 11, 9, 1, Kst::Histogram::Number);
QCOMPARE(h1->numberOfBins(), 2);
QCOMPARE(h1->xMax(), 11.0);
QCOMPARE(h1->xMin(), 9.0);
QCOMPARE(h1->vMin(), 0.0);
QCOMPARE(h1->vMax(), 10.0);
QCOMPARE(h1->vNumSamples(), 100);
// set to max == min
h1->setXRange(10, 10);
QCOMPARE(h1->xMin(), 9.0);
QCOMPARE(h1->xMax(), 11.0);
// set to max > min
h1->setXRange(1,2);
QCOMPARE(h1->xMax() - h1->xMin(), 1.0);
h1->setXRange(8, 10);
QCOMPARE(h1->xMin(), 8.0);
QCOMPARE(h1->xMax(), 10.0);
}
#ifdef KST_USE_QTEST_MAIN
QTEST_MAIN(TestHistogram)
#endif
// vim: ts=2 sw=2 et
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