package com.manning.nettyinaction.chapter10;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.handler.codec.TooLongFrameException;
import org.junit.Assert;
import org.junit.Test;
/**
* @author <a href="mailto:norman.maurer@googlemail.com">Norman Maurer</a>
*/
public class FrameChunkDecoderTest {
@Test
public void testFramesDecoded() {
ByteBuf buf = Unpooled.buffer();
for (int i = 0; i < 9; i++) {
buf.writeByte(i);
}
ByteBuf input = buf.duplicate();
EmbeddedChannel channel = new EmbeddedChannel(new FrameChunkDecoder(3));
Assert.assertTrue(channel.writeInbound(input.readBytes(2)));
try {
channel.writeInbound(input.readBytes(4));
Assert.fail();
} catch (TooLongFrameException e) {
// expected
}
Assert.assertTrue(channel.writeInbound(input.readBytes(3)));
Assert.assertTrue(channel.finish());
ByteBuf read = (ByteBuf) channel.readInbound();
Assert.assertEquals(buf.readSlice(2), read);
read.release();
read = (ByteBuf) channel.readInbound();
Assert.assertEquals(buf.skipBytes(4).readSlice(3), read);
read.release();
buf.release();
}
}