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.cassandra.utils;
  
  import java.util.Arrays;
  
  import org.junit.Test;
  
  import static org.junit.Assert.assertArrayEquals;
  
  public class HexTest
  {
      @Test
      public void testHexBytesConversion()
      {
          for (int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++)
          {
              byte[] b = new byte[]{ (byte)i };
              String s = Hex.bytesToHex(b);
              byte[] c = Hex.hexToBytes(s);
              assertArrayEquals(b, c);
          }
      }
  
      @Test
      public void testHexToBytesStringConversion()
      {
          String[] values = new String[]
          {
              "00",
              "10",
              "0100",
              "0101",
              "0f",
              "ff"
          };
          byte[][] expected = new byte[][]
          {
              new byte[] { 0x00 },
              new byte[] { 0x10 },
              new byte[] { 0x01, 0x00 },
              new byte[] { 0x01, 0x01 },
              new byte[] { 0x0f },
              new byte[] { (byte)0x000000ff }
          };
  
          for (int i = 0; i < values.length; i++)
              assert Arrays.equals(Hex.hexToBytes(values[i]), expected[i]);
      }
  }
  