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102 lines
4.1 KiB
C++
102 lines
4.1 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce::dsp
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{
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static CommonSmoothedValueTests <LogRampedValue <float>> commonLogRampedValueTests;
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class LogRampedValueTests final : public UnitTest
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{
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public:
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LogRampedValueTests()
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: UnitTest ("LogRampedValueTests", UnitTestCategories::dsp)
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{}
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void runTest() override
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{
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beginTest ("Curve");
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{
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Array<double> levels = { -0.12243, -1.21245, -12.2342, -22.4683, -30.0, -61.18753 };
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for (auto level : levels)
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{
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Array<Range<double>> ranges = { Range<double> (0.0, 1.0),
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Range<double> (-2.345, 0.0),
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Range<double> (-2.63, 3.56),
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Range<double> (3.3, -0.2) };
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for (auto range : ranges)
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{
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LogRampedValue<double> slowStart { range.getStart() } , fastStart { range.getEnd() };
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auto numSamples = 12;
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slowStart.reset (numSamples);
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fastStart.reset (numSamples);
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slowStart.setLogParameters (level, true);
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fastStart.setLogParameters (level, false);
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slowStart.setTargetValue (range.getEnd());
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fastStart.setTargetValue (range.getStart());
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AudioBuffer<double> results (2, numSamples + 1);
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results.setSample (0, 0, slowStart.getCurrentValue());
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results.setSample (1, 0, fastStart.getCurrentValue());
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for (int i = 1; i < results.getNumSamples(); ++i)
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{
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results.setSample (0, i, slowStart.getNextValue());
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results.setSample (1, i, fastStart.getNextValue());
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}
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for (int i = 0; i < results.getNumSamples(); ++i)
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expectWithinAbsoluteError (results.getSample (0, i),
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results.getSample (1, results.getNumSamples() - (i + 1)),
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1.0e-7);
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auto expectedMidpoint = range.getStart() + (range.getLength() * Decibels::decibelsToGain (level));
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expectWithinAbsoluteError (results.getSample (0, numSamples / 2),
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expectedMidpoint,
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1.0e-7);
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}
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}
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}
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}
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};
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static LogRampedValueTests LogRampedValueTests;
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} // namespace juce::dsp
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