| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.qpid.proton.message.impl; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| |
| import java.nio.ByteBuffer; |
| |
| import org.apache.qpid.proton.amqp.Binary; |
| import org.apache.qpid.proton.amqp.messaging.Data; |
| import org.apache.qpid.proton.codec.WritableBuffer; |
| import org.apache.qpid.proton.codec.WritableBuffer.ByteBufferWrapper; |
| import org.apache.qpid.proton.message.Message; |
| import org.junit.Test; |
| |
| public class MessageImplTest |
| { |
| private static final long DATA_SECTION_ULONG_DESCRIPTOR = 0x0000000000000075L; |
| |
| @Test |
| public void testEncodeOfMessageWithSmallDataBodyOnly() |
| { |
| doMessageEncodingWithDataBodySectionTestImpl(5); |
| } |
| |
| @Test |
| public void testEncodeOfMessageWithLargerDataBodyOnly() |
| { |
| doMessageEncodingWithDataBodySectionTestImpl(1024); |
| } |
| |
| void doMessageEncodingWithDataBodySectionTestImpl(int bytesLength) |
| { |
| byte[] bytes = generateByteArray(bytesLength); |
| |
| byte[] expectedBytes = generateExpectedDataSectionBytes(bytes); |
| byte[] encodedBytes = new byte[expectedBytes.length]; |
| |
| Message msg = Message.Factory.create(); |
| msg.setBody(new Data(new Binary(bytes))); |
| |
| int encodedLength = msg.encode(encodedBytes, 0, encodedBytes.length); |
| |
| assertArrayEquals("Encoded bytes do not match expectation", expectedBytes, encodedBytes); |
| assertEquals("Encoded length different than expected length", encodedLength, encodedBytes.length); |
| } |
| |
| @Test |
| public void testEncodeOfMessageWithSmallDataBodyOnlyUsingWritableBuffer() |
| { |
| doMessageEncodingWithDataBodySectionTestImpl(5); |
| } |
| |
| @Test |
| public void testEncodeOfMessageWithLargerDataBodyOnlyUsingWritableBuffer() |
| { |
| doMessageEncodingWithDataBodySectionTestImpl(1024); |
| } |
| |
| void doMessageEncodingWithDataBodySectionTestImplUsingWritableBuffer(int bytesLength) |
| { |
| byte[] bytes = generateByteArray(bytesLength); |
| |
| byte[] expectedBytes = generateExpectedDataSectionBytes(bytes); |
| ByteBufferWrapper encodedBytes = WritableBuffer.ByteBufferWrapper.allocate(expectedBytes.length); |
| |
| Message msg = Message.Factory.create(); |
| msg.setBody(new Data(new Binary(bytes))); |
| |
| int encodedLength = msg.encode(encodedBytes); |
| |
| assertArrayEquals("Encoded bytes do not match expectation", expectedBytes, encodedBytes.byteBuffer().array()); |
| assertEquals("Encoded length different than expected length", encodedLength, encodedBytes.position()); |
| } |
| |
| private byte[] generateByteArray(int bytesLength) |
| { |
| byte[] bytes = new byte[bytesLength]; |
| for(int i = 0; i < bytesLength; i++) |
| { |
| bytes [i] = (byte) (i % 10); |
| } |
| |
| return bytes; |
| } |
| |
| /* |
| * http://docs.oasis-open.org/amqp/core/v1.0/os/amqp-core-messaging-v1.0-os.html#type-data |
| * http://docs.oasis-open.org/amqp/core/v1.0/os/amqp-core-types-v1.0-os.html |
| * |
| * ulong encodings: |
| * <encoding code="0x80" category="fixed" width="8" label="64-bit unsigned integer in network byte order"/> |
| * <encoding name="smallulong" code="0x53" category="fixed" width="1" label="unsigned long value in the range 0 to 255 inclusive"/> |
| * <encoding name="ulong0" code="0x44" category="fixed" width="0" label="the ulong value 0"/> |
| * |
| * binary encodings: |
| * <encoding name="vbin8" code="0xa0" category="variable" width="1" label="up to 2^8 - 1 octets of binary data"/> |
| * <encoding name="vbin32" code="0xb0" category="variable" width="4" label="up to 2^32 - 1 octets of binary data"/> |
| */ |
| byte[] generateExpectedDataSectionBytes(final byte[] payloadBytes) |
| { |
| int dataBytesLength = 1; // 0x00 for described-type constructor start |
| dataBytesLength += 1; // smallulong encoding format for data section descriptor |
| dataBytesLength += 1; // smallulong 8bit value |
| dataBytesLength += 1; // vbin variable-width binary encoding format. |
| if (payloadBytes.length > 255) |
| { |
| dataBytesLength += 4; // 32bit length field. |
| } |
| else |
| { |
| dataBytesLength += 1; // 8bit length field. |
| } |
| dataBytesLength += payloadBytes.length; // section payload length. |
| |
| ByteBuffer buffer = ByteBuffer.allocate(dataBytesLength); |
| |
| buffer.put((byte) 0x00); // 0x00 for described-type constructor start |
| buffer.put((byte) 0x53); // smallulong encoding format for data section descriptor |
| buffer.put((byte) DATA_SECTION_ULONG_DESCRIPTOR); // smallulong 8bit value |
| if (payloadBytes.length > 255) |
| { |
| buffer.put((byte) 0xb0); // vbin32 variable-width binary encoding format. |
| buffer.putInt(payloadBytes.length); // 32bit length field. |
| } |
| else |
| { |
| buffer.put((byte) 0xa0); // vbin8 variable-width binary encoding format. |
| buffer.put((byte) payloadBytes.length); // 8bit length field. |
| } |
| buffer.put(payloadBytes); // The actual content of given length. |
| |
| assertEquals("Unexpected buffer position", dataBytesLength, buffer.position()); |
| |
| return buffer.array(); |
| } |
| |
| } |