public void TestStreamChunky()
{
const int sliverSize = 4; // 4 floats = 16 bytes
const int floatNumSlices = 11; // 11 slices per buffer, to test various cases
const int biggestChunk = 5; // max size of slice to copy in middle loop
BufferAllocator<float> bufferAllocator = new BufferAllocator<float>(sliverSize * floatNumSlices, 1, sizeof(float));
DenseSampleFloatStream stream = new DenseSampleFloatStream(0, bufferAllocator, sliverSize);
HoloDebug.Assert(stream.DiscreteDuration == 0);
float f = 0;
float[] tinyBuffer = new float[biggestChunk * sliverSize];
for (int i = 0; i < 100; i++) {
for (int c = 1; c <= 5; c++) {
for (int j = 0; j < c; j++) {
tinyBuffer[j * sliverSize] = f;
tinyBuffer[j * sliverSize + 1] = f + 0.25f;
tinyBuffer[j * sliverSize + 2] = f + 0.5f;
tinyBuffer[j * sliverSize + 3] = f + 0.75f;
f++;
}
Slice<Sample, float> tempSlice = new Slice<Sample, float>(
new Buf<float>(-2, tinyBuffer), 0, c, sliverSize);
stream.Append(tempSlice);
}
}
// Now after this we will need a verification loop.
BufferAllocator<float> bigBufferAllocator = new BufferAllocator<float>(sliverSize * 1024, 1, sizeof(float));
DenseSampleFloatStream bigStream = new DenseSampleFloatStream(0, bigBufferAllocator, sliverSize);
stream.CopyTo(stream.DiscreteInterval, bigStream);
HoloDebug.Assert(Verify4SliceFloatStream(stream, 0) == 1500);
HoloDebug.Assert(Verify4SliceFloatStream(bigStream, 0) == 1500);
DenseSampleFloatStream stream2 = new DenseSampleFloatStream(0, bufferAllocator, sliverSize);
bigStream.CopyTo(bigStream.DiscreteInterval, stream2);
HoloDebug.Assert(Verify4SliceFloatStream(stream2, 0) == 1500);
}
public void TestStreamAppending()
{
const int sliverSize = 4; // 4 floats = 16 bytes
const int floatNumSlices = 11; // 11 slices per buffer, to test various cases
BufferAllocator<float> bufferAllocator = new BufferAllocator<float>(sliverSize * floatNumSlices, 1, sizeof(float));
float[] buffer = AllocateSmall4FloatArray(floatNumSlices, sliverSize);
DenseSampleFloatStream stream = new DenseSampleFloatStream(0, bufferAllocator, sliverSize);
unsafe {
fixed (float* f = buffer) {
IntPtr pf = new IntPtr(f);
stream.Append(floatNumSlices, pf);
}
}
HoloDebug.Assert(stream.DiscreteDuration == floatNumSlices);
HoloDebug.Assert(Verify4SliceFloatStream(stream, 0) == 11);
// clear original buffer to test copying back into it
for (int i = 0; i < buffer.Length; i++) {
buffer[i] = 0;
}
unsafe {
fixed (float* f = buffer) {
IntPtr pf = new IntPtr(f);
stream.CopyTo(stream.DiscreteInterval, pf);
}
}
DenseSampleFloatStream stream2 = new DenseSampleFloatStream(0, bufferAllocator, sliverSize);
stream2.Append(new Slice<Sample, float>(new Buf<float>(-3, buffer), sliverSize));
HoloDebug.Assert(Verify4SliceFloatStream(stream2, 0) == 11);
}