Example usage for io.netty.buffer Unpooled buffer

Introduction

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

Prototype

public static ByteBuf buffer(int initialCapacity)

Source Link

Document

Creates a new big-endian Java heap buffer with the specified capacity , which expands its capacity boundlessly on demand.

Usage

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

License:Open Source License

@Test
public void testReadOctetStringToBytesWhenOctetStringSizeIsPositiveReadsByteBufferCorrectly() throws Exception {

    byte[] bytesToTransfer = { 0x14, 0x13 };
    ByteBuf octetStringBytes = Unpooled.buffer(bytesToTransfer.length + 4);
    octetStringBytes.writeInt(bytesToTransfer.length);
    octetStringBytes.writeBytes(bytesToTransfer);

    ByteBuf readBytes = ChannelBufferUtils.readOctetStringToBytes(octetStringBytes);
    octetStringBytes.readerIndex(4);//  ww  w.  j a va 2  s . c  om

    assertEquals("Read bytes and given bytes are not the same", octetStringBytes, readBytes);
    octetStringBytes.release();
    readBytes.release();
}

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();/*www . j  a  va 2  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   w w  w.  ja va 2 s . 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   ww  w.  ja v  a2s.com
}

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());/*from  w  w  w  .  ja  v a  2 s  .co m*/

    assertEquals("Written bytes are not the same with those of the input array", input.readerIndex(0),
            outputBuffer);
    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  ww  w.  j  av a2 s  .c  o  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();//  ww  w .j  a v a  2 s  . co  m
    encodedUUID.release();
}

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

License:Open Source License

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

    MessageDecoder messageDecoder = new MessageDecoder(transcoder);

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

    List<Object> output = new ArrayList<Object>();

    messageDecoder.decode(null, byteBuf, output);

    verify(transcoder).decode(MessageType.ACK, byteBuf);

    byteBuf.release();/*from   ww  w . j  av  a2s.  co m*/
}

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

License:Open Source License

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

    MessageDecoder messageDecoder = new MessageDecoder(transcoder);

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

    List<Object> output = new ArrayList<Object>();

    when(transcoder.decode(any(MessageType.class), any(ByteBuf.class))).thenReturn(msg);

    messageDecoder.decode(null, byteBuf, output);

    assertTrue("List doesn't contain the decoded message", output.contains(msg));

    byteBuf.release();//  w ww.  jav  a  2 s  .  c  o m
}

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());/*w  ww .j a va2 s . c om*/
    verify(transcoder).encode(msg, byteBuf);

    byteBuf.release();
}