kst-plot/tests/testvector.cpp

0001 /***************************************************************************
0002  *                                                                         *
0003  *   copyright : (C) 2007 The University of Toronto                        *
0004  *                                                                         *
0005  *   This program is free software; you can redistribute it and/or modify  *
0006  *   it under the terms of the GNU General Public License as published by  *
0007  *   the Free Software Foundation; either version 2 of the License, or     *
0008  *   (at your option) any later version.                                   *
0009  *                                                                         *
0010  ***************************************************************************/
0011
0012 #include "testvector.h"
0013
0014 #include <vector.h>
0015 #include <datacollection.h>
0016 #include <objectstore.h>
0017
0018 #include "ksttest.h"
0019
0020 static Kst::ObjectStore _store;
0021
0022
0023
0024 void TestVector::cleanupTestCase() {
0025   _store.clear();
0026 }
0027
0028 void TestVector::testVector()
0029 {
0030   Kst::VectorPtr v1 = Kst::kst_cast<Kst::Vector>(_store.createObject<Kst::Vector>());
0031
0032   QCOMPARE(v1->length(), 1);
0033   QCOMPARE(v1->value(0), &Kst::NOPOINT);
0034
0035   Q_ASSERT(v1);
0036   v1->resize(15);
0037   QCOMPARE(v1->length(), 15);
0038   v1->zero();
0039   for (int i = 0; i < 15; ++i) {
0040     QCOMPARE(v1->value()[i], 0.0);
0041   }
0042   QVERIFY(!v1->isScalarList());
0043   v1->value()[0] = -42;
0044   v1->resize(3);
0045   QCOMPARE(v1->length(), 3);
0046   QCOMPARE(v1->value()[0], -42.0);
0047
0048   Kst::VectorPtr v2 = Kst::kst_cast<Kst::Vector>(_store.createObject<Kst::Vector>());
0049   Q_ASSERT(v2);
0050   QCOMPARE(v2->length(), 1);
0051   v2 = Kst::kst_cast<Kst::Vector>(_store.createObject<Kst::Vector>());
0052   v2->resize(1);
0053   QCOMPARE(v2->length(), 1);
0054   v2 = Kst::kst_cast<Kst::Vector>(_store.createObject<Kst::Vector>());
0055   v2->resize(2);
0056   QCOMPARE(v2->length(), 2);
0057
0058   v2->resize(3);
0059   double *data = v2->value();
0060   data[0] = 1;
0061   data[1] = 2;
0062   data[2] = 3;
0063   QCOMPARE(v2->interpolate(0, 5), 1.0);
0064   QCOMPARE(v2->interpolate(1, 5), 1.5);
0065   QCOMPARE(v2->interpolate(2, 5), 2.0);
0066   QCOMPARE(v2->interpolate(3, 5), 2.5);
0067   QCOMPARE(v2->interpolate(4, 5), 3.0);
0068 }
0069
0070 #ifdef KST_USE_QTEST_MAIN
0071 QTEST_MAIN(TestVector)
0072 #endif
0073
0074 // vim: ts=2 sw=2 et