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 testDisjointBuffers()
{
OutputCollector collect = new OutputCollector();
CompressionCodec codec = new ZlibCodec();
OutStream @out = new OutStream("test", 400, codec, collect);
PositionCollector[] positions = new PositionCollector[1024];
DataOutput stream = new DataOutputStream(@out);
for (int i = 0; i < 1024; ++i)
{
positions[i] = new PositionCollector();
@out.getPosition(positions[i]);
stream.writeInt(i);
}
@out.Flush();
Assert.Equal("test", @out.ToString());
Assert.Equal(1674, collect.buffer.size());
ByteBuffer[] inBuf = new ByteBuffer[3];
inBuf[0] = ByteBuffer.allocate(500);
inBuf[1] = ByteBuffer.allocate(1200);
inBuf[2] = ByteBuffer.allocate(500);
collect.buffer.setByteBuffer(inBuf[0], 0, 483);
collect.buffer.setByteBuffer(inBuf[1], 483, 1625 - 483);
collect.buffer.setByteBuffer(inBuf[2], 1625, 1674 - 1625);
for (int i = 0; i < inBuf.Length; ++i)
{
inBuf[i].flip();
}
InStream @in = InStream.create(null, "test", inBuf,
new long[] { 0, 483, 1625 }, 1674, codec, 400);
Assert.Equal("compressed stream test position: 0 length: 1674 range: 0" +
" offset: 0 limit: 0 range 0 = 0 to 483;" +
" range 1 = 483 to 1142; range 2 = 1625 to 49",
@in.ToString());
DataInputStream inStream = new DataInputStream(@in);
for (int i = 0; i < 1024; ++i)
{
int x = inStream.readInt();
Assert.Equal(i, x);
}
Assert.Equal(0, @in.available());
for (int i = 1023; i >= 0; --i)
{
@in.seek(positions[i]);
Assert.Equal(i, inStream.readInt());
}
@in = InStream.create(null, "test", new ByteBuffer[] { inBuf[1], inBuf[2] },
new long[] { 483, 1625 }, 1674, codec, 400);
inStream = new DataInputStream(@in);
positions[303].reset();
@in.seek(positions[303]);
for (int i = 303; i < 1024; ++i)
{
Assert.Equal(i, inStream.readInt());
}
@in = InStream.create(null, "test", new ByteBuffer[] { inBuf[0], inBuf[2] },
new long[] { 0, 1625 }, 1674, codec, 400);
inStream = new DataInputStream(@in);
positions[1001].reset();
for (int i = 0; i < 300; ++i)
{
Assert.Equal(i, inStream.readInt());
}
@in.seek(positions[1001]);
for (int i = 1001; i < 1024; ++i)
{
Assert.Equal(i, inStream.readInt());
}
}
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());
}
}
