| /* |
| * 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.directory.mavibot.btree.serializer; |
| |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.IOException; |
| |
| import org.junit.Test; |
| |
| |
| /** |
| * Test the LongSerializer class |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class LongSerializerTest |
| { |
| private static LongSerializer serializer = new LongSerializer(); |
| |
| |
| @Test |
| public void testLongSerializer() throws IOException |
| { |
| long value = 0x0000000000000000L; |
| byte[] result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0000000000000001L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x01, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x00000000000000FFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0000000000000100L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x01, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x000000000000FFFFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0xFF, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0000000000010000L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x01, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0000000000FFFFFFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0xFF, result[6] ); |
| assertEquals( ( byte ) 0xFF, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0000000001000000L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x01, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x000000007FFFFFFFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0xFF, result[6] ); |
| assertEquals( ( byte ) 0xFF, result[5] ); |
| assertEquals( ( byte ) 0x7F, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0000000080000000L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x80, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x00000000FFFFFFFFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0xFF, result[6] ); |
| assertEquals( ( byte ) 0xFF, result[5] ); |
| assertEquals( ( byte ) 0xFF, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0000000100000000L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x01, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x000000FFFFFFFFFFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0xFF, result[6] ); |
| assertEquals( ( byte ) 0xFF, result[5] ); |
| assertEquals( ( byte ) 0xFF, result[4] ); |
| assertEquals( ( byte ) 0xFF, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0000010000000000L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x01, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0000FFFFFFFFFFFFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0xFF, result[6] ); |
| assertEquals( ( byte ) 0xFF, result[5] ); |
| assertEquals( ( byte ) 0xFF, result[4] ); |
| assertEquals( ( byte ) 0xFF, result[3] ); |
| assertEquals( ( byte ) 0xFF, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0001000000000000L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x01, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x00FFFFFFFFFFFFFFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0xFF, result[6] ); |
| assertEquals( ( byte ) 0xFF, result[5] ); |
| assertEquals( ( byte ) 0xFF, result[4] ); |
| assertEquals( ( byte ) 0xFF, result[3] ); |
| assertEquals( ( byte ) 0xFF, result[2] ); |
| assertEquals( ( byte ) 0xFF, result[1] ); |
| assertEquals( ( byte ) 0x00, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x0100000000000000L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x01, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x7FFFFFFFFFFFFFFFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0xFF, result[6] ); |
| assertEquals( ( byte ) 0xFF, result[5] ); |
| assertEquals( ( byte ) 0xFF, result[4] ); |
| assertEquals( ( byte ) 0xFF, result[3] ); |
| assertEquals( ( byte ) 0xFF, result[2] ); |
| assertEquals( ( byte ) 0xFF, result[1] ); |
| assertEquals( ( byte ) 0x7F, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0x8000000000000000L; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0x00, result[7] ); |
| assertEquals( ( byte ) 0x00, result[6] ); |
| assertEquals( ( byte ) 0x00, result[5] ); |
| assertEquals( ( byte ) 0x00, result[4] ); |
| assertEquals( ( byte ) 0x00, result[3] ); |
| assertEquals( ( byte ) 0x00, result[2] ); |
| assertEquals( ( byte ) 0x00, result[1] ); |
| assertEquals( ( byte ) 0x80, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| |
| // ------------------------------------------------------------------ |
| value = 0xFFFFFFFFFFFFFFFFL; |
| result = LongSerializer.serialize( value ); |
| |
| assertEquals( ( byte ) 0xFF, result[7] ); |
| assertEquals( ( byte ) 0xFF, result[6] ); |
| assertEquals( ( byte ) 0xFF, result[5] ); |
| assertEquals( ( byte ) 0xFF, result[4] ); |
| assertEquals( ( byte ) 0xFF, result[3] ); |
| assertEquals( ( byte ) 0xFF, result[2] ); |
| assertEquals( ( byte ) 0xFF, result[1] ); |
| assertEquals( ( byte ) 0xFF, result[0] ); |
| |
| assertEquals( value, serializer.deserialize( new BufferHandler( result ) ).longValue() ); |
| } |
| } |