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JUCE/modules/juce_dsp/containers/juce_AudioBlock_test.cpp
Tom Poole 41055ad782 DSP: Refactored AudioBlock
2019-08-15 12:49:47 +01:00

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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
namespace dsp
{
class AudioBlockUnitTests : public UnitTest
{
public:
AudioBlockUnitTests()
: UnitTest ("AudioBlock", UnitTestCategories::dsp)
{}
void runTest() override
{
beginTest ("Equality");
{
expect (block == block);
expect (block != otherBlock);
}
beginTest ("Constructors");
{
expect (block == AudioBlock<float> (data.getArrayOfWritePointers(), (size_t) data.getNumChannels(), (size_t) data.getNumSamples()));
expect (block == AudioBlock<float> (data.getArrayOfWritePointers(), (size_t) data.getNumChannels(), (size_t) 0, (size_t) data.getNumSamples()));
expect (block == AudioBlock<float> (block));
expect (block == AudioBlock<const float> (data.getArrayOfWritePointers(), (size_t) data.getNumChannels(), (size_t) data.getNumSamples()));
expect (block == AudioBlock<const float> (data.getArrayOfWritePointers(), (size_t) data.getNumChannels(), (size_t) 0, (size_t) data.getNumSamples()));
expect (block == AudioBlock<const float> (block));
}
beginTest ("Swap");
{
resetBlocks();
expect (block != otherBlock);
expectEquals (block.getSample (0, 0), 1.0f);
expectEquals (block.getSample (0, 4), 5.0f);
expectEquals (otherBlock.getSample (0, 0), -1.0f);
expectEquals (otherBlock.getSample (0, 3), -4.0f);
block.swap (otherBlock);
expect (block != otherBlock);
expectEquals (otherBlock.getSample (0, 0), 1.0f);
expectEquals (otherBlock.getSample (0, 4), 5.0f);
expectEquals (block.getSample (0, 0), -1.0f);
expectEquals (block.getSample (0, 3), -4.0f);
}
beginTest ("Getters and setters");
{
resetBlocks();
expectEquals ((int) block.getNumChannels(), data.getNumChannels());
expectEquals ((int) block.getNumSamples(), data.getNumSamples());
expectEquals (block.getChannelPointer (0)[2], 3.0f);
block.getChannelPointer (0)[2] = 999.0f;
expectEquals (block.getChannelPointer (0)[2], 999.0f);
expectEquals (block.getSample (0, 4), 5.0f);
expectEquals (block.getSample (1, 4), 11.0f);
expectEquals (block.getSingleChannelBlock (1).getSample (0, 3), block.getSample (1, 3));
expectEquals (block.getSubsetChannelBlock (0, 2).getSample (1, 3), block.getSample (1, 3));
expectEquals (block.getSubsetChannelBlock (1, 1).getSample (0, 3), block.getSample (1, 3));
block.setSample (1, 1, 777.0f);
expectEquals (block.getSample (1, 1), 777.0f);
block.addSample (1, 1, 1.0f);
expectEquals (block.getSample (1, 1), 778.0f);
}
beginTest ("Copying");
{
block.clear();
expectEquals (block.getSample (0, 2), 0.0f);
expectEquals (block.getSample (1, 4), 0.0f);
block.fill (456.0f);
expectEquals (block.getSample (0, 2), 456.0f);
expectEquals (block.getSample (1, 4), 456.0f);
block.copyFrom (otherBlock);
expect (block != otherBlock);
expectEquals (block.getSample (0, 2), otherBlock.getSample (0, 2));
expectEquals (block.getSample (1, 4), otherBlock.getSample (1, 4));
resetBlocks();
AudioBuffer<float> otherBuffer ((int) block.getNumChannels(), (int) block.getNumSamples());
otherBlock.copyTo (otherBuffer);
expectEquals (otherBlock.getSample (0, 2), otherBuffer.getSample (0, 2));
expectEquals (otherBlock.getSample (1, 4), otherBuffer.getSample (1, 4));
block.copyFrom (otherBuffer);
expectEquals (block.getSample (0, 2), otherBlock.getSample (0, 2));
expectEquals (block.getSample (1, 4), otherBlock.getSample (1, 4));
float testSample1 = block.getSample (0, 2);
float testSample2 = block.getSample (1, 3);
expect (testSample1 != block.getSample (0, 4));
expect (testSample2 != block.getSample (1, 5));
block.move (0, 2);
expectEquals (block.getSample (0, 4), testSample1);
expectEquals (block.getSample (1, 5), testSample2);
}
beginTest ("Addition");
{
resetBlocks();
block.add (15.0f);
expectEquals (block.getSample (0, 4), 20.0f);
expectEquals (block.getSample (1, 4), 26.0f);
block.add (otherBlock);
expectEquals (block.getSample (0, 4), 15.0f);
expectEquals (block.getSample (1, 4), 15.0f);
block.replaceWithSumOf (otherBlock, 9.0f);
expectEquals (block.getSample (0, 4), 4.0f);
expectEquals (block.getSample (1, 4), -2.0f);
resetBlocks();
block.replaceWithSumOf (block, otherBlock);
expectEquals (block.getSample (0, 4), 0.0f);
expectEquals (block.getSample (1, 4), 0.0f);
}
beginTest ("Subtraction");
{
resetBlocks();
block.subtract (15.0f);
expectEquals (block.getSample (0, 4), -10.0f);
expectEquals (block.getSample (1, 4), -4.0f);
block.subtract (otherBlock);
expectEquals (block.getSample (0, 4), -5.0f);
expectEquals (block.getSample (1, 4), 7.0f);
block.replaceWithDifferenceOf (otherBlock, 9.0f);
expectEquals (block.getSample (0, 4), -14.0f);
expectEquals (block.getSample (1, 4), -20.0f);
resetBlocks();
block.replaceWithDifferenceOf (block, otherBlock);
expectEquals (block.getSample (0, 4), 10.0f);
expectEquals (block.getSample (1, 4), 22.0f);
}
beginTest ("Multiplication");
{
resetBlocks();
block.multiplyBy (10.0f);
expectEquals (block.getSample (0, 4), 50.0f);
expectEquals (block.getSample (1, 4), 110.0f);
block.multiplyBy (otherBlock);
expectEquals (block.getSample (0, 4), -250.0f);
expectEquals (block.getSample (1, 4), -1210.0f);
block.replaceWithProductOf (otherBlock, 3.0f);
expectEquals (block.getSample (0, 4), -15.0f);
expectEquals (block.getSample (1, 4), -33.0f);
resetBlocks();
block.replaceWithProductOf (block, otherBlock);
expectEquals (block.getSample (0, 4), -25.0f);
expectEquals (block.getSample (1, 4), -121.0f);
}
beginTest ("Smoothing");
{
block.fill (1.0f);
SmoothedValue<float> sv { 1.0f };
sv.reset (1, 4);
sv.setTargetValue (0.0f);
block.multiplyBy (sv);
expect (block.getSample (0, 2) < 1.0f);
expect (block.getSample (1, 2) < 1.0f);
expect (block.getSample (0, 2) > 0.0f);
expect (block.getSample (1, 2) > 0.0f);
expectEquals (block.getSample (0, 5), 0.0f);
expectEquals (block.getSample (1, 5), 0.0f);
sv.setCurrentAndTargetValue (-1.0f);
sv.setTargetValue (0.0f);
otherBlock.fill (-1.0f);
block.replaceWithProductOf (otherBlock, sv);
expect (block.getSample (0, 2) < 1.0f);
expect (block.getSample (1, 2) < 1.0f);
expect (block.getSample (0, 2) > 0.0f);
expect (block.getSample (1, 2) > 0.0f);
expectEquals (block.getSample (0, 5), 0.0f);
expectEquals (block.getSample (1, 5), 0.0f);
}
beginTest ("Multiply add");
{
resetBlocks();
block.addProductOf (otherBlock, -1.0f);
expectEquals (block.getSample (0, 4), 10.0f);
expectEquals (block.getSample (1, 4), 22.0f);
block.addProductOf (otherBlock, otherBlock);
expectEquals (block.getSample (0, 4), 35.0f);
expectEquals (block.getSample (1, 4), 143.0f);
}
beginTest ("Negative abs min max");
{
resetBlocks();
otherBlock.negate();
block.add (otherBlock);
expectEquals (block.getSample (0, 4), 10.0f);
expectEquals (block.getSample (1, 4), 22.0f);
block.replaceWithNegativeOf (otherBlock);
expectEquals (block.getSample (0, 4), -5.0f);
expectEquals (block.getSample (1, 4), -11.0f);
block.clear();
otherBlock.negate();
block.replaceWithAbsoluteValueOf (otherBlock);
expectEquals (block.getSample (0, 4), 5.0f);
expectEquals (block.getSample (1, 4), 11.0f);
resetBlocks();
block.replaceWithMinOf (block, otherBlock);
expectEquals (block.getSample (0, 4), -5.0f);
expectEquals (block.getSample (1, 4), -11.0f);
resetBlocks();
block.replaceWithMaxOf (block, otherBlock);
expectEquals (block.getSample (0, 4), 5.0f);
expectEquals (block.getSample (1, 4), 11.0f);
resetBlocks();
auto range = block.findMinAndMax();
expectEquals (range.getStart(), 1.0f);
expectEquals (range.getEnd(), 12.0f);
}
beginTest ("Operators");
{
resetBlocks();
block += 10.0f;
expectEquals (block.getSample (0, 4), 15.0f);
expectEquals (block.getSample (1, 4), 21.0f);
block += otherBlock;
expectEquals (block.getSample (0, 4), 10.0f);
expectEquals (block.getSample (1, 4), 10.0f);
resetBlocks();
block -= 10.0f;
expectEquals (block.getSample (0, 4), -5.0f);
expectEquals (block.getSample (1, 4), 1.0f);
block -= otherBlock;
expectEquals (block.getSample (0, 4), 0.0f);
expectEquals (block.getSample (1, 4), 12.0f);
resetBlocks();
block *= 10.0f;
expectEquals (block.getSample (0, 4), 50.0f);
expectEquals (block.getSample (1, 4), 110.0f);
block *= otherBlock;
expectEquals (block.getSample (0, 4), -250.0f);
expectEquals (block.getSample (1, 4), -1210.0f);
}
beginTest ("Process");
{
resetBlocks();
AudioBlock<float>::process (block, otherBlock, [](float x) { return x + 1.0f; });
expectEquals (otherBlock.getSample (0, 4), 6.0f);
expectEquals (otherBlock.getSample (1, 4), 12.0f);
}
}
private:
AudioBuffer<float> data { 2, 6 }, otherData { 2, 6 };
AudioBlock<float> block { data }, otherBlock { otherData };
void resetBlocks()
{
auto value = 1.0f;
for (size_t c = 0; c < block.getNumChannels(); ++c)
{
for (size_t i = 0; i < block.getNumSamples(); ++i)
{
block.setSample ((int) c, (int) i, value);
value += 1.0f;
}
}
otherBlock.replaceWithNegativeOf (block);
}
};
static AudioBlockUnitTests audioBlockUnitTests;
} // namespace dsp
} // namespace juce
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