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()); } }
public void testUncompressedDisjointBuffers() { OutputCollector collect = new OutputCollector(); OutStream @out = new OutStream("test", 400, null, 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(4096, collect.buffer.size()); ByteBuffer[] inBuf = new ByteBuffer[3]; inBuf[0] = ByteBuffer.allocate(1100); inBuf[1] = ByteBuffer.allocate(2200); inBuf[2] = ByteBuffer.allocate(1100); collect.buffer.setByteBuffer(inBuf[0], 0, 1024); collect.buffer.setByteBuffer(inBuf[1], 1024, 2048); collect.buffer.setByteBuffer(inBuf[2], 3072, 1024); for (int i = 0; i < inBuf.Length; ++i) { inBuf[i].flip(); } InStream @in = InStream.create(null, "test", inBuf, new long[] { 0, 1024, 3072 }, 4096, null, 400); Assert.Equal("uncompressed stream test position: 0 length: 4096" + " range: 0 offset: 0 limit: 0", @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[] { 1024, 3072 }, 4096, null, 400); inStream = new DataInputStream(@in); positions[256].reset(); @in.seek(positions[256]); for (int i = 256; i < 1024; ++i) { Assert.Equal(i, inStream.readInt()); } @in = InStream.create(null, "test", new ByteBuffer[] { inBuf[0], inBuf[2] }, new long[] { 0, 3072 }, 4096, null, 400); inStream = new DataInputStream(@in); positions[768].reset(); for (int i = 0; i < 256; ++i) { Assert.Equal(i, inStream.readInt()); } @in.seek(positions[768]); for (int i = 768; i < 1024; ++i) { Assert.Equal(i, inStream.readInt()); } }
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()); } }