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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* audiocachefiletest.cc
*
* Thu Jan 7 15:43:12 CET 2016
* Copyright 2016 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <cppunit/extensions/HelperMacros.h>
#include <cstring>
#include <audiocachefile.h>
#include <audiofile.h>
class TestableAudioCacheFiles : public AudioCacheFiles
{
public:
//CacheAudioFile& getAudioFile(const std::string& filename);
//void release(const std::string& filename);
int getRef(const std::string& filename)
{
if(audiofiles.find(filename) == audiofiles.end())
{
return -1;
}
return audiofiles[filename]->ref;
}
};
class AudioCacheFileTest : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE(AudioCacheFileTest);
CPPUNIT_TEST(refTest);
CPPUNIT_TEST(readTest);
CPPUNIT_TEST_SUITE_END();
public:
void setUp() {}
void tearDown() {}
void refTest()
{
TestableAudioCacheFiles audiofiles;
std::string filename = "kit/ride-single-channel.wav";
CPPUNIT_ASSERT_EQUAL(-1, audiofiles.getRef(filename));
audiofiles.getFile(filename);
CPPUNIT_ASSERT_EQUAL(1, audiofiles.getRef(filename));
audiofiles.getFile(filename);
CPPUNIT_ASSERT_EQUAL(2, audiofiles.getRef(filename));
audiofiles.releaseFile(filename);
CPPUNIT_ASSERT_EQUAL(1, audiofiles.getRef(filename));
audiofiles.releaseFile(filename);
CPPUNIT_ASSERT_EQUAL(-1, audiofiles.getRef(filename));
}
void readTestHelper(size_t bufferSize)
{
printf("Test buffer size: %d samples\n", (int)bufferSize);
std::string filename = "kit/ride-multi-channel.wav";
AudioFile* refFile[13];
for(size_t c = 0; c < 13; ++c)
{
refFile[c] = new AudioFile(filename, c);
refFile[c]->load();
}
AudioCacheFile file(filename);
CPPUNIT_ASSERT_EQUAL(filename, file.getFilename());
CPPUNIT_ASSERT_EQUAL(13, (int)file.getChannelCount()); // Sanity check
CacheChannels channels;
sample_t samples[13][bufferSize];
volatile bool ready[13];
for(size_t c = 0; c < 13; ++c)
{
for(size_t i = 0; i < bufferSize; ++i)
{
samples[c][i] = 42;
}
channels.push_back(
{
c, // channel
samples[c], // samples
bufferSize, // max_num_samples
&ready[c] // ready
}
);
}
for(size_t offset = 0; offset < file.getSize(); offset += bufferSize)
{
for(size_t c = 0; c < 13; ++c)
{
ready[c] = false;
}
size_t readSize = file.getSize() - offset;
if(readSize > bufferSize)
{
readSize = bufferSize;
}
else
{
printf("Last read: %d samples\n", (int)readSize);
}
file.readChunk(channels, offset, readSize);
for(size_t c = 0; c < 13; ++c)
{
CPPUNIT_ASSERT_EQUAL(true, ready[c]?true:false);
}
sample_t diff[13] = {0.0};
for(size_t c = 0; c < 13; ++c)
{
for(size_t i = 0; i < readSize; ++i)
{
diff[c] += abs(refFile[c]->data[i + offset] - samples[c][i]);
}
}
for(int c = 0; c < 13; ++c)
{
CPPUNIT_ASSERT_EQUAL((sample_t)0.0, diff[c]);
}
}
for(size_t c = 0; c < 13; ++c)
{
delete refFile[c];
}
}
void readTest()
{
// Exhaustive test for 1...64
for(size_t bufferSize = 1; bufferSize < 64; ++bufferSize)
{
readTestHelper(bufferSize);
}
// Binary test for 64 .. 4096
for(size_t bufferSize = 64; bufferSize < 4096; bufferSize *= 2)
{
readTestHelper(bufferSize);
}
// And some sporadic tests for some "wierd" sizes.
for(size_t bufferSize = 65; bufferSize < 4096; bufferSize *= 1.1)
{
readTestHelper(bufferSize);
}
}
};
// Registers the fixture into the 'registry'
CPPUNIT_TEST_SUITE_REGISTRATION(AudioCacheFileTest);
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