Example usage for io.netty.buffer ByteBuf readInt

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readInt.

Prototype

public abstract int readInt();

Source Link

Document

Gets a 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testWriteStringToOctetStringWhenStringIsNullWritesMinusOne() throws Exception {
    ByteBuf byteBuf = Unpooled.buffer(4);
    ChannelBufferUtils.writeStringToOctetString(null, byteBuf, StandardCharsets.UTF_8);

    assertEquals("Written length prefix in not -1 for null string", -1, byteBuf.readInt());
    byteBuf.release();/*from w  ww  .ja v  a2  s .  c  o  m*/
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testWriteStringToOctetStringIsEncodedCorrectly() throws Exception {

    ByteBuf encodedString = Unpooled.copiedBuffer(STRING_TO_ENCODE.getBytes(StandardCharsets.UTF_8));
    ByteBuf outputBuffer = Unpooled.buffer(4 + encodedString.capacity());

    ChannelBufferUtils.writeStringToOctetString(STRING_TO_ENCODE, outputBuffer, StandardCharsets.UTF_8);

    assertEquals("Written length prefix in not the length of the encoded string byte array",
            encodedString.capacity(), outputBuffer.readInt());

    assertEquals("Written bytes are not the same with those of the input string", encodedString, outputBuffer);
    outputBuffer.release();/*from  ww  w  . j a  va2s .  co  m*/
    encodedString.release();
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testWriteBytesToOctetStringWhenBytesAreNullWritesMinusOne() throws Exception {
    ByteBuf byteBuf = Unpooled.buffer(4);
    ChannelBufferUtils.writeBytesToOctetString(null, byteBuf);

    assertEquals("Written length prefix in not -1 for null byte array", -1, byteBuf.readInt());
    byteBuf.release();//from w  w w  .jav a 2  s .  c  o  m
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testWriteBytesToOctetStringIsWrittenCorrectly() throws Exception {

    byte[] payload = { 0x14, 0x16 };

    ByteBuf input = Unpooled.copiedBuffer(payload);
    ByteBuf outputBuffer = Unpooled.buffer(4 + payload.length);

    ChannelBufferUtils.writeBytesToOctetString(input, outputBuffer);

    assertEquals("Written length prefix in not the length of the encoded byte array", payload.length,
            outputBuffer.readInt());

    assertEquals("Written bytes are not the same with those of the input array", input.readerIndex(0),
            outputBuffer);/*  w w w.j  a  va 2s.c o  m*/
    outputBuffer.release();
    input.release();
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testWriteUUIDToOctetStringWhenStringIsNullWritesMinusOne() throws Exception {
    ByteBuf byteBuf = Unpooled.buffer(4);
    ChannelBufferUtils.writeUUIDToOctetString(null, byteBuf, StandardCharsets.UTF_8);

    assertEquals("Written length prefix in not -1 for null string", -1, byteBuf.readInt());
    byteBuf.release();/*from   w  w w.  j ava  2 s.co  m*/
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtilsTest.java

License:Open Source License

@Test
public void testWriteUUIDToOctetStringIsEncodedCorrectly() throws Exception {

    UUID input = UUID.randomUUID();
    String uuidString = input.toString();
    ByteBuf encodedUUID = Unpooled.copiedBuffer(uuidString.getBytes(StandardCharsets.UTF_8));
    ByteBuf outputBuffer = Unpooled.buffer(4 + encodedUUID.capacity());

    ChannelBufferUtils.writeUUIDToOctetString(input, outputBuffer, StandardCharsets.UTF_8);

    assertEquals("Written length prefix in not the length of the encoded string byte array",
            encodedUUID.capacity(), outputBuffer.readInt());

    assertEquals("Written bytes are not the same with those of the input string", encodedUUID, outputBuffer);
    outputBuffer.release();/*from w  w  w. java  2s . c  o  m*/
    encodedUUID.release();
}

From source file:com.github.spapageo.jannel.channel.MessageEncoderTest.java

License:Open Source License

@Test
public void testEncodeWritesMessageTypeAndCallsTranscoder() throws Exception {
    Transcoder transcoder = mock(DefaultTranscoder.class);

    MessageEncoder messageEncoder = new MessageEncoder(transcoder);

    Message msg = new Ack();
    ByteBuf byteBuf = Unpooled.buffer(4);

    messageEncoder.encode(null, msg, byteBuf);

    assertEquals("The written message type doesn't match the given one", msg.getType().value(),
            byteBuf.readInt());
    verify(transcoder).encode(msg, byteBuf);

    byteBuf.release();//w  w w .  ja  v a 2s  . c  o m
}

From source file:com.github.spapageo.jannel.transcode.TranscoderHelperTest.java

License:Open Source License

@Test
public void testEncodeDatagramEncodesCorrectly() throws Exception {
    byte[] payload = { 0x56, 0x35 };
    ByteBuf payloadBuffer = Unpooled.copiedBuffer(payload);
    Datagram datagram = new Datagram();
    datagram.setDestinationAddress("?");
    datagram.setSourceAddress("");
    datagram.setDestinationPort(5555);/*from  w w w .  j a  v  a  2 s. c  om*/
    datagram.setSourcePort(4444);
    datagram.setUserData(payloadBuffer);
    ByteBuf byteBuf = Unpooled.buffer();

    transcoderHelper.encodeDatagram(datagram, byteBuf);
    assertEquals("Source address is incorrect", "",
            ChannelBufferUtils.readOctetStringToString(byteBuf, Charsets.UTF_8));
    assertEquals("Source port is incorrect", 4444, byteBuf.readInt());
    assertEquals("Source address is incorrect", "?",
            ChannelBufferUtils.readOctetStringToString(byteBuf, Charsets.UTF_8));
    assertEquals("Source port is incorrect", 5555, byteBuf.readInt());
    assertEquals("Data payload is incorrect", payloadBuffer.readerIndex(0),
            ChannelBufferUtils.readOctetStringToBytes(byteBuf));

    byteBuf.release();
    payloadBuffer.release();
}

From source file:com.github.spapageo.jannel.transcode.TranscoderHelperTest.java

License:Open Source License

@Test
public void testEncodeAckEncodesCorrectly() throws Exception {
    Ack ack = new Ack();
    ack.setTime(0);/*from   w w w .  j  a v  a 2s. c  o m*/
    ack.setId(UUID.randomUUID());
    ack.setResponse(AckType.SUCCESS);
    ByteBuf byteBuf = Unpooled.buffer();
    transcoderHelper.encodeAck(ack, byteBuf);

    assertEquals("Type of ack response is incorrect", AckType.SUCCESS, AckType.fromValue(byteBuf.readInt()));
    assertEquals("The time is incorrect", 0, byteBuf.readInt());
    assertEquals("Ack id is incorrect", ack.getId(), ChannelBufferUtils.readUUID(byteBuf, Charsets.UTF_8));

    byteBuf.release();
}

From source file:com.github.spapageo.jannel.transcode.TranscoderHelperTest.java

License:Open Source License

@Test
public void testEncodeHeartBeatEncodesCorrectly() throws Exception {
    HeartBeat heartBeat = new HeartBeat();
    heartBeat.setLoad(1);//from  ww w .j a  v a2  s.  c om
    ByteBuf byteBuf = Unpooled.buffer();
    transcoderHelper.encodeHeartBeat(heartBeat, byteBuf);

    assertEquals("HeartBeat load is incorrect", 1, byteBuf.readInt());
    byteBuf.release();
}