public void testCompressedSeek()
{
CompressionCodec codec = new SnappyCodec();
TestInStream.OutputCollector collect = new TestInStream.OutputCollector();
RunLengthByteWriter @out = new RunLengthByteWriter(new OutStream("test", 500,
codec, collect));
TestInStream.PositionCollector[] positions =
new TestInStream.PositionCollector[2048];
for (int i = 0; i < 2048; ++i)
{
positions[i] = new TestInStream.PositionCollector();
@out.getPosition(positions[i]);
if (i < 1024)
{
@out.write((byte)(i / 4));
}
else
{
@out.write((byte)i);
}
}
@out.flush();
ByteBuffer inBuf = ByteBuffer.allocate(collect.buffer.size());
collect.buffer.setByteBuffer(inBuf, 0, collect.buffer.size());
inBuf.flip();
RunLengthByteReader @in = new RunLengthByteReader(InStream.create(null, "test",
new ByteBuffer[] { inBuf }, new long[] { 0 }, inBuf.remaining(), codec, 500));
for (int i = 0; i < 2048; ++i)
{
int x = @in.next() & 0xff;
if (i < 1024)
{
Assert.Equal((i / 4) & 0xff, x);
}
else
{
Assert.Equal(i & 0xff, x);
}
}
for (int i = 2047; i >= 0; --i)
{
@in.seek(positions[i]);
int x = @in.next() & 0xff;
if (i < 1024)
{
Assert.Equal((i / 4) & 0xff, x);
}
else
{
Assert.Equal(i & 0xff, x);
}
}
}
public void testSkips()
{
TestInStream.OutputCollector collect = new TestInStream.OutputCollector();
RunLengthByteWriter @out = new RunLengthByteWriter(new OutStream("test", 100,
null, collect));
for (int i = 0; i < 2048; ++i)
{
if (i < 1024)
{
@out.write((byte)(i / 16));
}
else
{
@out.write((byte)i);
}
}
@out.flush();
ByteBuffer inBuf = ByteBuffer.allocate(collect.buffer.size());
collect.buffer.setByteBuffer(inBuf, 0, collect.buffer.size());
inBuf.flip();
#pragma warning disable 612
RunLengthByteReader @in = new RunLengthByteReader(InStream.create(null, "test",
new ByteBuffer[] { inBuf }, new long[] { 0 }, inBuf.remaining(), null, 100));
#pragma warning restore 612
for (int i = 0; i < 2048; i += 10)
{
int x = @in.next() & 0xff;
if (i < 1024)
{
Assert.Equal((i / 16) & 0xff, x);
}
else
{
Assert.Equal(i & 0xff, x);
}
if (i < 2038)
{
@in.skip(9);
}
@in.skip(0);
}
}
public BitFieldWriter(PositionedOutputStream output, int bitSize)
{
this.output = new RunLengthByteWriter(output);
this.bitSize = bitSize;
}
