| /* |
| * 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.iotdb.tsfile.utils; |
| |
| import org.junit.Test; |
| |
| import java.nio.ByteBuffer; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| |
| public class ReadWriteForEncodingUtilsTest { |
| |
| @Test |
| public void getUnsignedVarIntTest() { |
| byte[] bytes = ReadWriteForEncodingUtils.getUnsignedVarInt(1); |
| assertEquals(1, bytes.length); |
| assertEquals(1, ReadWriteForEncodingUtils.readUnsignedVarInt(ByteBuffer.wrap(bytes))); |
| ByteBuffer byteBuffer = ByteBuffer.allocateDirect(1); |
| assertEquals(1, ReadWriteForEncodingUtils.writeVarInt(-1, byteBuffer)); |
| byteBuffer.flip(); |
| assertNotEquals(-1, ReadWriteForEncodingUtils.readUnsignedVarInt(byteBuffer)); |
| } |
| |
| @Test |
| public void readAndWriteVarIntTest() { |
| ByteBuffer byteBuffer = ByteBuffer.allocate(5); |
| // positive num |
| assertEquals(1, ReadWriteForEncodingUtils.writeVarInt(9, byteBuffer)); |
| byteBuffer.flip(); |
| assertEquals(9, ReadWriteForEncodingUtils.readVarInt(byteBuffer)); |
| |
| byteBuffer.flip(); |
| // negative num |
| assertEquals(1, ReadWriteForEncodingUtils.writeVarInt(-1, byteBuffer)); |
| byteBuffer.flip(); |
| assertEquals(-1, ReadWriteForEncodingUtils.readVarInt(byteBuffer)); |
| } |
| } |