// 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 streamer.debug;
import java.nio.charset.Charset;
import streamer.ByteBuffer;
/**
* Assert that writes to this buffer are matching expected data.
*/
public class AssertingByteBuffer extends ByteBuffer {
public AssertingByteBuffer(byte[] expectedData) {
super(expectedData);
}
private void assertEquals(int expected, int actual) {
if (expected != actual)
throw new RuntimeException("Expected value does not match actual value. Expected value: " + expected + ", actual value: " + actual + ", buf: " + this + ".");
}
@Override
public void writeByte(int b) {
if (b < 0)
throw new RuntimeException();
//*DEBUG*/System.out.println("WriteByte: "+b+", cursor:"+cursor+".");
assertEquals(readUnsignedByte(), b & 0xff);
}
@Override
public void writeShort(int x) {
//*DEBUG*/System.out.println("WriteShort: "+x+", cursor:"+cursor+".");
assertEquals(readUnsignedShort(), x & 0xFFff);
}
@Override
public void writeShortLE(int x) {
//*DEBUG*/System.out.println("WriteShortLE: "+x+", cursor:"+cursor+".");
assertEquals(readUnsignedShortLE(), x & 0xFFff);
}
@Override
public void writeInt(int i) {
//*DEBUG*/System.out.println("WriteInt: "+i+", cursor:"+cursor+".");
assertEquals(readSignedInt(), i);
}
@Override
public void writeIntLE(int i) {
//*DEBUG*/System.out.println("WriteIntLE: "+i+", cursor:"+cursor+".");
assertEquals(readSignedIntLE(), i);
}
@Override
public void writeVariableIntLE(int i) {
//*DEBUG*/System.out.println("WriteVariableIntLE: "+i+", cursor:"+cursor+".");
assertEquals(readVariableSignedIntLE(), i);
}
@Override
public void writeString(String actual, Charset charset) {
//*DEBUG*/System.out.println("WriteString: "+actual+", cursor:"+cursor+".");
String expected = readString(actual.length(), charset);
if (!actual.equals(expected))
throw new RuntimeException("Expected value does not match actual value. Expected value: " + expected + ", actual value: " + actual + ".");
}
@Override
public void writeBytes(ByteBuffer actual) {
//*DEBUG*/System.out.println("WriteString: "+actual+", cursor:"+cursor+".");
ByteBuffer expected = readBytes(actual.length);
if (!actual.equals(expected))
throw new RuntimeException("Expected value does not match actual value. Expected value: " + expected + ", actual value: " + actual + ".");
}
@Override
public void writeBytes(byte[] actualData) {
ByteBuffer actual = new ByteBuffer(actualData);
//*DEBUG*/System.out.println("WriteString: "+actual+", cursor:"+cursor+".");
ByteBuffer expected = readBytes(actual.length);
if (!actual.equals(expected))
throw new RuntimeException("Expected value does not match actual value. Expected value: " + expected + ", actual value: " + actual + ".");
}
@Override
public void writeBytes(byte[] actualData, int offset, int length) {
ByteBuffer actual = new ByteBuffer(actualData, offset, length);
//*DEBUG*/System.out.println("WriteString: "+actual+", cursor:"+cursor+".");
ByteBuffer expected = readBytes(actual.length);
if (!actual.equals(expected))
throw new RuntimeException("Expected value does not match actual value. Expected value: " + expected + ", actual value: " + actual + ".");
}
}