content: /*
   * 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.bookkeeper.common.util;
  
  import static org.junit.Assert.assertEquals;
  
  import org.junit.Test;
  
  /**
   * Unit test for {@link Bytes}.
   */
  public class TestBytes {
  
      @Test
      public void testOneNumber() {
          long timestamp = System.currentTimeMillis();
          byte[] bytes = Bytes.toBytes(timestamp);
          long readTimestamp = Bytes.toLong(bytes, 0);
          assertEquals(timestamp, readTimestamp);
      }
  
      @Test
      public void testTwoNumbers() {
          long timestamp1 = System.currentTimeMillis();
          long timestamp2 = 2 * timestamp1;
          byte[] bytes = new byte[16];
          Bytes.toBytes(timestamp1, bytes, 0);
          Bytes.toBytes(timestamp2, bytes, 8);
          long readTimestamp1 = Bytes.toLong(bytes, 0);
          long readTimestamp2 = Bytes.toLong(bytes, 8);
          assertEquals(timestamp1, readTimestamp1);
          assertEquals(timestamp2, readTimestamp2);
      }
  
  }
  