public void testUncompressed()
{
OutputCollector collect = new OutputCollector();
OutStream @out = new OutStream("test", 100, null, collect);
PositionCollector[] positions = new PositionCollector[1024];
for (int i = 0; i < 1024; ++i)
{
positions[i] = new PositionCollector();
@out.getPosition(positions[i]);
@out.WriteByte((byte)i);
}
@out.Flush();
Assert.Equal(1024, collect.buffer.size());
for (int i = 0; i < 1024; ++i)
{
Assert.Equal((byte)i, collect.buffer.get(i));
}
ByteBuffer inBuf = ByteBuffer.allocate(collect.buffer.size());
collect.buffer.setByteBuffer(inBuf, 0, collect.buffer.size());
inBuf.flip();
#pragma warning disable 612
InStream @in = InStream.create(null, "test", new ByteBuffer[] { inBuf },
new long[] { 0 }, inBuf.remaining(), null, 100);
#pragma warning restore 612
Assert.Equal("uncompressed stream test position: 0 length: 1024" +
" range: 0 offset: 0 limit: 0",
@in.ToString());
for (int i = 0; i < 1024; ++i)
{
int x = @in.ReadByte();
Assert.Equal(i & 0xff, x);
}
for (int i = 1023; i >= 0; --i)
{
@in.seek(positions[i]);
Assert.Equal(i & 0xff, @in.ReadByte());
}
}
public void testCorruptStream()
{
OutputCollector collect = new OutputCollector();
CompressionCodec codec = new ZlibCodec();
OutStream @out = new OutStream("test", 500, codec, collect);
PositionCollector[] positions = new PositionCollector[1024];
for (int i = 0; i < 1024; ++i)
{
positions[i] = new PositionCollector();
@out.getPosition(positions[i]);
@out.WriteByte((byte)i);
}
@out.Flush();
// now try to read the stream with a buffer that is too small
ByteBuffer inBuf = ByteBuffer.allocate(collect.buffer.size());
collect.buffer.setByteBuffer(inBuf, 0, collect.buffer.size());
inBuf.flip();
InStream @in = InStream.create(null, "test", new ByteBuffer[] { inBuf },
new long[] { 0 }, inBuf.remaining(), codec, 100);
byte[] contents = new byte[1024];
try
{
@in.Read(contents, 0, contents.Length);
fail();
}
catch (IllegalArgumentException iae)
{
// EXPECTED
}
// make a corrupted header
inBuf.clear();
inBuf.put((byte)32);
inBuf.put((byte)0);
inBuf.flip();
@in = InStream.create(null, "test2", new ByteBuffer[] { inBuf }, new long[] { 0 },
inBuf.remaining(), codec, 300);
try
{
@in.ReadByte();
fail();
}
catch (InvalidOperationException ise)
{
// EXPECTED
}
}
public void testCompressed()
{
OutputCollector collect = new OutputCollector();
CompressionCodec codec = new ZlibCodec();
OutStream @out = new OutStream("test", 300, codec, collect);
PositionCollector[] positions = new PositionCollector[1024];
for (int i = 0; i < 1024; ++i)
{
positions[i] = new PositionCollector();
@out.getPosition(positions[i]);
@out.WriteByte((byte)i);
}
@out.Flush();
Assert.Equal("test", @out.ToString());
Assert.Equal(961, collect.buffer.size());
ByteBuffer inBuf = ByteBuffer.allocate(collect.buffer.size());
collect.buffer.setByteBuffer(inBuf, 0, collect.buffer.size());
inBuf.flip();
InStream @in = InStream.create(null, "test", new ByteBuffer[] { inBuf },
new long[] { 0 }, inBuf.remaining(), codec, 300);
Assert.Equal("compressed stream test position: 0 length: 961 range: 0" +
" offset: 0 limit: 0 range 0 = 0 to 961",
@in.ToString());
for (int i = 0; i < 1024; ++i)
{
int x = @in.ReadByte();
Assert.Equal(i & 0xff, x);
}
Assert.Equal(0, @in.available());
for (int i = 1023; i >= 0; --i)
{
@in.seek(positions[i]);
Assert.Equal(i & 0xff, @in.ReadByte());
}
}
