Chris@1407: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@1407: 
Chris@1407: /*
Chris@1407:     Sonic Visualiser
Chris@1407:     An audio file viewer and annotation editor.
Chris@1407:     Centre for Digital Music, Queen Mary, University of London.
Chris@1407:     
Chris@1407:     This program is free software; you can redistribute it and/or
Chris@1407:     modify it under the terms of the GNU General Public License as
Chris@1407:     published by the Free Software Foundation; either version 2 of the
Chris@1407:     License, or (at your option) any later version.  See the file
Chris@1407:     COPYING included with this distribution for more information.
Chris@1407: */
Chris@1407: 
Chris@1407: #ifndef TEST_SCALE_TICK_INTERVALS_H
Chris@1407: #define TEST_SCALE_TICK_INTERVALS_H
Chris@1407: 
Chris@1407: #include "../ScaleTickIntervals.h"
Chris@1407: 
Chris@1407: #include <QObject>
Chris@1407: #include <QtTest>
Chris@1407: #include <QDir>
Chris@1407: 
Chris@1407: #include <iostream>
Chris@1407: 
Chris@1407: using namespace std;
Chris@1407: 
Chris@1407: class TestScaleTickIntervals : public QObject
Chris@1407: {
Chris@1407:     Q_OBJECT
Chris@1407: 
Chris@1407:     void printDiff(vector<ScaleTickIntervals::Tick> ticks,
Chris@1407: 		   vector<ScaleTickIntervals::Tick> expected) {
Chris@1407: 
Chris@1407: 	cerr << "Have " << ticks.size() << " ticks, expected "
Chris@1407: 	     << expected.size() << endl;
Chris@1407: 	for (int i = 0; i < int(expected.size()); ++i) {
Chris@1407: 	    if (i < int(ticks.size())) {
Chris@1407: 		cerr << i << ": have " << ticks[i].value << " \""
Chris@1407: 		     << ticks[i].label << "\", expected "
Chris@1407: 		     << expected[i].value << " \"" << expected[i].label
Chris@1407: 		     << "\"" << endl;
Chris@1407: 	    }
Chris@1407: 	}
Chris@1407:     }
Chris@1407:     
Chris@1407:     void compareTicks(vector<ScaleTickIntervals::Tick> ticks,
Chris@1407: 		      vector<ScaleTickIntervals::Tick> expected)
Chris@1407:     {
Chris@1408:         double eps = 1e-7;
Chris@1407: 	for (int i = 0; i < int(expected.size()); ++i) {
Chris@1407: 	    if (i < int(ticks.size())) {
Chris@1407: 		if (ticks[i].label != expected[i].label ||
Chris@1408: 		    fabs(ticks[i].value - expected[i].value) > eps) {
Chris@1407: 		    printDiff(ticks, expected);
Chris@1407: 		}
Chris@1407: 		QCOMPARE(ticks[i].label, expected[i].label);
Chris@1407: 		QCOMPARE(ticks[i].value, expected[i].value);
Chris@1407: 	    }
Chris@1407: 	}
Chris@1408:         if (ticks.size() != expected.size()) {
Chris@1408:             printDiff(ticks, expected);
Chris@1408:         }
Chris@1407: 	QCOMPARE(ticks.size(), expected.size());
Chris@1407:     }
Chris@1407:     
Chris@1407: private slots:
Chris@1407:     void linear_0_1_10()
Chris@1407:     {
Chris@1407: 	auto ticks = ScaleTickIntervals::linear({ 0, 1, 10 });
Chris@1407: 	vector<ScaleTickIntervals::Tick> expected {
Chris@1407: 	    { 0.0, "0.00" },
Chris@1407: 	    { 0.1, "0.10" },
Chris@1407: 	    { 0.2, "0.20" },
Chris@1407: 	    { 0.3, "0.30" },
Chris@1407: 	    { 0.4, "0.40" },
Chris@1407: 	    { 0.5, "0.50" },
Chris@1407: 	    { 0.6, "0.60" },
Chris@1407: 	    { 0.7, "0.70" },
Chris@1407: 	    { 0.8, "0.80" },
Chris@1407: 	    { 0.9, "0.90" },
Chris@1407: 	    { 1.0, "1.00" }
Chris@1407: 	};
Chris@1407: 	compareTicks(ticks.ticks, expected);
Chris@1407:     }
Chris@1407: 
Chris@1407:     void linear_0_0p1_5()
Chris@1407:     {
Chris@1407: 	auto ticks = ScaleTickIntervals::linear({ 0, 0.1, 5 });
Chris@1407: 	vector<ScaleTickIntervals::Tick> expected {
Chris@1407: 	    { 0.0, "0.00" },
Chris@1407: 	    { 0.02, "0.02" },
Chris@1407: 	    { 0.04, "0.04" },
Chris@1407: 	    { 0.06, "0.06" },
Chris@1407: 	    { 0.08, "0.08" },
Chris@1407: 	    { 0.1, "0.10" }
Chris@1407: 	};
Chris@1407: 	compareTicks(ticks.ticks, expected);
Chris@1407:     }
Chris@1407: 
Chris@1407:     void linear_0_0p01_5()
Chris@1407:     {
Chris@1407: 	auto ticks = ScaleTickIntervals::linear({ 0, 0.01, 5 });
Chris@1407: 	vector<ScaleTickIntervals::Tick> expected {
Chris@1407: 	    { 0.00, "0.000" },
Chris@1407: 	    { 0.002, "0.002" },
Chris@1407: 	    { 0.004, "0.004" },
Chris@1407: 	    { 0.006, "0.006" },
Chris@1407: 	    { 0.008, "0.008" },
Chris@1407: 	    { 0.01, "0.010" }
Chris@1407: 	};
Chris@1407: 	compareTicks(ticks.ticks, expected);
Chris@1407:     }
Chris@1407: 
Chris@1407:     void linear_0_0p001_5()
Chris@1407:     {
Chris@1407: 	auto ticks = ScaleTickIntervals::linear({ 0, 0.001, 5 });
Chris@1407: 	vector<ScaleTickIntervals::Tick> expected {
Chris@1407: 	    { 0.000, "0.0e+00" },
Chris@1407: 	    { 0.0002, "2.0e-04" },
Chris@1407: 	    { 0.0004, "4.0e-04" },
Chris@1407: 	    { 0.0006, "6.0e-04" },
Chris@1407: 	    { 0.0008, "8.0e-04" },
Chris@1407: 	    { 0.001, "1.0e-03" }
Chris@1407: 	};
Chris@1407: 	compareTicks(ticks.ticks, expected);
Chris@1407:     }
Chris@1407:     
Chris@1407:     void linear_1_1p001_5()
Chris@1407:     {
Chris@1407: 	auto ticks = ScaleTickIntervals::linear({ 1, 1.001, 5 });
Chris@1407: 	vector<ScaleTickIntervals::Tick> expected {
Chris@1407: 	    { 1.000, "1.0000" },
Chris@1407: 	    { 1.0002, "1.0002" },
Chris@1407: 	    { 1.0004, "1.0004" },
Chris@1407: 	    { 1.0006, "1.0006" },
Chris@1407: 	    { 1.0008, "1.0008" },
Chris@1407: 	    { 1.001, "1.0010" }
Chris@1407: 	};
Chris@1407: 	compareTicks(ticks.ticks, expected);
Chris@1407:     }
Chris@1407: };
Chris@1407: 
Chris@1407: #endif
Chris@1407: 
Chris@1407: