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#include <uunit.h>
#include <cstring>
#include <audiocachefile.h>
#include <audiofile.h>
#include "drumkit_creator.h"
class TestableAudioCacheFiles
: public AudioCacheFiles
{
public:
int getRef(const std::string& filename)
{
auto it = audiofiles.find(filename);
if(it == audiofiles.end())
{
return -1;
}
return (it->second).ref;
}
};
class AudioCacheFileTest
: public uUnit
{
public:
AudioCacheFileTest()
{
uUNIT_TEST(AudioCacheFileTest::refTest);
uUNIT_TEST(AudioCacheFileTest::readTest);
uUNIT_TEST(AudioCacheFileTest::noFileTest);
}
DrumkitCreator drumkit_creator;
void refTest()
{
auto filename = drumkit_creator.createSingleChannelWav("single_channel.wav");
TestableAudioCacheFiles audiofiles;
uUNIT_ASSERT_EQUAL(-1, audiofiles.getRef(filename));
audiofiles.getFile(filename);
uUNIT_ASSERT_EQUAL(1, audiofiles.getRef(filename));
audiofiles.getFile(filename);
uUNIT_ASSERT_EQUAL(2, audiofiles.getRef(filename));
audiofiles.releaseFile(filename);
uUNIT_ASSERT_EQUAL(1, audiofiles.getRef(filename));
audiofiles.releaseFile(filename);
uUNIT_ASSERT_EQUAL(-1, audiofiles.getRef(filename));
}
void readTestHelper(size_t buffer_size)
{
printf("Test buffer size: %d samples\n", (int)buffer_size);
auto filename = drumkit_creator.createMultiChannelWav("multi_channel.wav");
AudioFile* ref_file[13];
for(size_t c = 0; c < 13; ++c)
{
ref_file[c] = new AudioFile(filename, c);
ref_file[c]->load(nullptr);
}
std::vector<sample_t> read_buffer;
AudioCacheFile file(filename, read_buffer);
uUNIT_ASSERT_EQUAL(filename, file.getFilename());
uUNIT_ASSERT_EQUAL(13, (int)file.getChannelCount());
CacheChannels channels;
sample_t samples[13][buffer_size];
volatile bool ready[13];
for(size_t c = 0; c < 13; ++c)
{
for(size_t i = 0; i < buffer_size; ++i)
{
samples[c][i] = 42;
}
channels.push_back(
{
c,
samples[c],
buffer_size,
&ready[c]
}
);
}
for(size_t offset = 0; offset < file.getSize(); offset += buffer_size)
{
for(size_t c = 0; c < 13; ++c)
{
ready[c] = false;
}
size_t read_size = file.getSize() - offset;
if(read_size > buffer_size)
{
read_size = buffer_size;
}
else
{
printf("Last read: %d samples\n", (int)read_size);
}
file.readChunk(channels, offset, read_size);
for(size_t c = 0; c < 13; ++c)
{
uUNIT_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 < read_size; ++i)
{
diff[c] += abs((long)(ref_file[c]->data[i + offset] - samples[c][i]));
}
}
for(int c = 0; c < 13; ++c)
{
uUNIT_ASSERT_EQUAL((sample_t)0.0, diff[c]);
}
}
for(size_t c = 0; c < 13; ++c)
{
delete ref_file[c];
}
}
void readTest()
{
for(size_t buffer_size = 1; buffer_size < 64; ++buffer_size)
{
readTestHelper(buffer_size);
}
for(size_t buffer_size = 64; buffer_size < 4096; buffer_size *= 2)
{
readTestHelper(buffer_size);
}
for(size_t buffer_size = 65; buffer_size < 4096; buffer_size *= 1.1)
{
readTestHelper(buffer_size);
}
}
void noFileTest()
{
size_t buffer_size = 64;
std::string filename = "kits/no-such-file.wav";
std::vector<sample_t> read_buffer;
AudioCacheFile file(filename, read_buffer);
uUNIT_ASSERT_EQUAL(filename, file.getFilename());
uUNIT_ASSERT_EQUAL(0u, (unsigned int)file.getSize());
uUNIT_ASSERT_EQUAL(0u, (unsigned int)file.getChannelCount());
CacheChannels channels;
sample_t samples[13][buffer_size];
volatile bool ready[13];
for(size_t c = 0; c < 13; ++c)
{
for(size_t i = 0; i < buffer_size; ++i)
{
samples[c][i] = 42.0f;
}
channels.push_back(
{
c,
samples[c],
buffer_size,
&ready[c]
}
);
}
for(size_t c = 0; c < 13; ++c)
{
ready[c] = false;
}
file.readChunk(channels, 0, buffer_size);
for(size_t c = 0; c < 13; ++c)
{
uUNIT_ASSERT_EQUAL(false, ready[c]?true:false);
}
for(size_t c = 0; c < 13; ++c)
{
for(size_t i = 0; i < buffer_size; ++i)
{
uUNIT_ASSERT_EQUAL(42.0f, samples[c][i]);
}
}
}
};
static AudioCacheFileTest test;
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