Mercurial > hg > svcore
view base/test/TestLogRange.h @ 1526:8988b27ebf38
Avoid compiler warning
author | Chris Cannam |
---|---|
date | Fri, 14 Sep 2018 15:32:43 +0100 |
parents | 667e369cfeab |
children |
line wrap: on
line source
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. 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. See the file COPYING included with this distribution for more information. */ #ifndef TEST_LOG_RANGE_H #define TEST_LOG_RANGE_H #include "../LogRange.h" #include <QObject> #include <QtTest> #include <iostream> #include <cmath> using namespace std; class TestLogRange : public QObject { Q_OBJECT private slots: void mapPositiveAboveDefaultThreshold() { QCOMPARE(LogRange::map(10.0), 1.0); QCOMPARE(LogRange::map(100.0), 2.0); QCOMPARE(LogRange::map(0.1), -1.0); QCOMPARE(LogRange::map(1.0), 0.0); QCOMPARE(LogRange::map(0.0000001), -7.0); QCOMPARE(LogRange::map(20.0), log10(20.0)); } void mapPositiveAboveSetThreshold() { QCOMPARE(LogRange::map(10.0, -10.0), 1.0); QCOMPARE(LogRange::map(100.0, 1.0), 2.0); QCOMPARE(LogRange::map(0.1, -5.0), -1.0); QCOMPARE(LogRange::map(1.0, -0.01), 0.0); QCOMPARE(LogRange::map(0.0000001, -20.0), -7.0); QCOMPARE(LogRange::map(20.0, 0.0), log10(20.0)); } void mapZeroDefaultThreshold() { QCOMPARE(LogRange::map(0.0), -10.0); } void mapZeroSetThreshold() { QCOMPARE(LogRange::map(0.0, 12.0), 12.0); QCOMPARE(LogRange::map(0.0, -12.0), -12.0); QCOMPARE(LogRange::map(0.0, 0.0), 0.0); } void mapPositiveBelowDefaultThreshold() { // The threshold is used only for zero values, not for very // small ones -- it's arguably a stand-in or replacement value // rather than a threshold. So this should behave the same as // for values above the threshold. QCOMPARE(LogRange::map(1e-10), -10.0); QCOMPARE(LogRange::map(1e-20), -20.0); QCOMPARE(LogRange::map(1e-100), -100.0); } void mapPositiveBelowSetThreshold() { // As above QCOMPARE(LogRange::map(10.0, 4.0), 1.0); QCOMPARE(LogRange::map(1e-10, 4.0), -10.0); QCOMPARE(LogRange::map(1e-20, -15.0), -20.0); QCOMPARE(LogRange::map(1e-100, -100.0), -100.0); } void mapNegative() { // Should always return map of absolute value. These are // picked from vaarious of the above tests. QCOMPARE(LogRange::map(-10.0), 1.0); QCOMPARE(LogRange::map(-100.0), 2.0); QCOMPARE(LogRange::map(-0.1), -1.0); QCOMPARE(LogRange::map(-1.0), 0.0); QCOMPARE(LogRange::map(-0.0000001), -7.0); QCOMPARE(LogRange::map(-20.0), log10(20.0)); QCOMPARE(LogRange::map(-10.0, 4.0), 1.0); QCOMPARE(LogRange::map(-1e-10, 4.0), -10.0); QCOMPARE(LogRange::map(-1e-20, -15.0), -20.0); QCOMPARE(LogRange::map(-1e-100, -100.0), -100.0); QCOMPARE(LogRange::map(-0.0, 12.0), 12.0); QCOMPARE(LogRange::map(-0.0, -12.0), -12.0); QCOMPARE(LogRange::map(-0.0, 0.0), 0.0); } void unmap() { // Simply pow(10, x) QCOMPARE(LogRange::unmap(0.0), 1.0); QCOMPARE(LogRange::unmap(1.0), 10.0); QCOMPARE(LogRange::unmap(-1.0), 0.1); QCOMPARE(LogRange::unmap(100.0), 1e+100); QCOMPARE(LogRange::unmap(-100.0), 1e-100); } void mapRangeAllPositiveDefaultThreshold() { double min, max; min = 1.0; max = 10.0; LogRange::mapRange(min, max); QCOMPARE(min, 0.0); QCOMPARE(max, 1.0); min = 10.0; max = 1.0; LogRange::mapRange(min, max); QCOMPARE(min, 0.0); QCOMPARE(max, 1.0); // if equal, the function uses an arbitrary 1.0 range before mapping min = 10.0; max = 10.0; LogRange::mapRange(min, max); QCOMPARE(min, 1.0); QCOMPARE(max, log10(11.0)); } void mapRangeAllPositiveSetThreshold() { double min, max; min = 1.0; max = 10.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, 0.0); QCOMPARE(max, 1.0); min = 10.0; max = 1.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, 0.0); QCOMPARE(max, 1.0); // if equal, the function uses an arbitrary 1.0 range before mapping min = 10.0; max = 10.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, 1.0); QCOMPARE(max, log10(11.0)); } void mapRangeAllNegativeDefaultThreshold() { double min, max; min = -1.0; max = -10.0; LogRange::mapRange(min, max); QCOMPARE(min, 0.0); QCOMPARE(max, 1.0); min = -10.0; max = -1.0; LogRange::mapRange(min, max); QCOMPARE(min, 0.0); QCOMPARE(max, 1.0); // if equal, the function uses an arbitrary 1.0 range before mapping min = -10.0; max = -10.0; LogRange::mapRange(min, max); QCOMPARE(min, log10(9.0)); QCOMPARE(max, 1.0); } void mapRangeAllNegativeSetThreshold() { double min, max; min = -1.0; max = -10.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, 0.0); QCOMPARE(max, 1.0); min = -10.0; max = -1.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, 0.0); QCOMPARE(max, 1.0); // if equal, the function uses an arbitrary 1.0 range before mapping min = -10.0; max = -10.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, log10(9.0)); QCOMPARE(max, 1.0); } void mapRangeAllNonNegativeDefaultThreshold() { double min, max; min = 0.0; max = 10.0; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 1.0); min = 10.0; max = 0.0; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 1.0); // if equal, the function uses an arbitrary 1.0 range before mapping min = 0.0; max = 0.0; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 0.0); } void mapRangeAllNonNegativeSetThreshold() { double min, max; min = 0.0; max = 10.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 1.0); min = 10.0; max = 0.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 1.0); // if equal, the function uses an arbitrary 1.0 range before mapping min = 0.0; max = 0.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 0.0); } void mapRangeAllNonPositiveDefaultThreshold() { double min, max; min = 0.0; max = -10.0; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 1.0); min = -10.0; max = 0.0; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 1.0); } void mapRangeAllNonPositiveSetThreshold() { double min, max; min = 0.0; max = -10.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 1.0); min = -10.0; max = 0.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 1.0); } void mapRangeSpanningZeroDefaultThreshold() { double min, max; min = -1.0; max = 10.0; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 1.0); min = -100.0; max = 1.0; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 2.0); min = -10.0; max = 1e-200; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 1.0); min = 1e-200; max = -10.0; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 1.0); min = -1e-200; max = 100.0; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 2.0); min = 10.0; max = -1e-200; LogRange::mapRange(min, max); QCOMPARE(min, -10.0); QCOMPARE(max, 1.0); // if none of the input range is above the threshold in // magnitude, but it still spans zero, we use the input max as // threshold and then add 1 for range min = -1e-200; max = 1e-300; LogRange::mapRange(min, max); QCOMPARE(min, -201.0); QCOMPARE(max, -200.0); min = 1e-200; max = -1e-300; LogRange::mapRange(min, max); QCOMPARE(min, -201.0); QCOMPARE(max, -200.0); } void mapRangeSpanningZeroSetThreshold() { double min, max; min = -1.0; max = 10.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 1.0); min = -100.0; max = 1.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 2.0); min = -10.0; max = 1e-200; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 1.0); min = 1e-200; max = -10.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 1.0); min = -1e-200; max = 100.0; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 2.0); min = 10.0; max = -1e-200; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -4.0); QCOMPARE(max, 1.0); // if none of the input range is above the threshold in // magnitude, but it still spans zero, we use the input max as // threshold and then add 1 for range min = -1e-200; max = 1e-300; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -201.0); QCOMPARE(max, -200.0); min = 1e-200; max = -1e-300; LogRange::mapRange(min, max, -4.0); QCOMPARE(min, -201.0); QCOMPARE(max, -200.0); } }; #endif