93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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#if JUCE_UNIT_TESTS
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static CommonSmoothedValueTests <SmoothedValue<float, ValueSmoothingTypes::Linear>> commonLinearSmoothedValueTests;
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static CommonSmoothedValueTests <SmoothedValue<float, ValueSmoothingTypes::Multiplicative>> commonMultiplicativeSmoothedValueTests;
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class SmoothedValueTests : public UnitTest
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{
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public:
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SmoothedValueTests()
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: UnitTest ("SmoothedValueTests", UnitTestCategories::smoothedValues)
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{}
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void runTest() override
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{
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beginTest ("Linear moving target");
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{
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SmoothedValue<float, ValueSmoothingTypes::Linear> sv;
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sv.reset (12);
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float initialValue = 0.0f;
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sv.setCurrentAndTargetValue (initialValue);
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sv.setTargetValue (1.0f);
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auto delta = sv.getNextValue() - initialValue;
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sv.skip (6);
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auto newInitialValue = sv.getCurrentValue();
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sv.setTargetValue (newInitialValue + 2.0f);
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auto doubleDelta = sv.getNextValue() - newInitialValue;
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expectWithinAbsoluteError (doubleDelta, delta * 2.0f, 1.0e-7f);
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}
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beginTest ("Multiplicative curve");
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{
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SmoothedValue<double, ValueSmoothingTypes::Multiplicative> sv;
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auto numSamples = 12;
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AudioBuffer<double> values (2, numSamples + 1);
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sv.reset (numSamples);
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sv.setCurrentAndTargetValue (1.0);
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sv.setTargetValue (2.0f);
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values.setSample (0, 0, sv.getCurrentValue());
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for (int i = 1; i < values.getNumSamples(); ++i)
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values.setSample (0, i, sv.getNextValue());
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sv.setTargetValue (1.0f);
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values.setSample (1, values.getNumSamples() - 1, sv.getCurrentValue());
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for (int i = values.getNumSamples() - 2; i >= 0 ; --i)
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values.setSample (1, i, sv.getNextValue());
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for (int i = 0; i < values.getNumSamples(); ++i)
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expectWithinAbsoluteError (values.getSample (0, i), values.getSample (1, i), 1.0e-9);
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}
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}
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};
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static SmoothedValueTests smoothedValueTests;
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#endif
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} // namespace juce
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