/*
    * 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.maven.buildcache.hash;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class HexUtilsTest {
  
      @Test
      public void testEncodeToHex() {
          // array length = 8 left padded with zeroes
          assertEquals("0000000000000000", HexUtils.encode(new byte[8]));
          assertEquals("00", HexUtils.encode(new byte[1]));
  
          assertEquals("0a", HexUtils.encode(new byte[] {10}));
          assertEquals("000000000000000a", HexUtils.encode(new byte[] {0, 0, 0, 0, 0, 0, 0, 10}));
  
          assertEquals("0100", HexUtils.encode(new byte[] {1, 0}));
          assertEquals("0000000000000101", HexUtils.encode(new byte[] {0, 0, 0, 0, 0, 0, 1, 1}));
      }
  
      @Test
      public void testDecodeHex() {
          assertArrayEquals(new byte[] {0}, HexUtils.decode("00"));
          assertArrayEquals(new byte[] {10}, HexUtils.decode("0a"));
          assertArrayEquals(new byte[] {10}, HexUtils.decode("0A"));
          assertArrayEquals(new byte[] {1, 0}, HexUtils.decode("0100"));
      }
  }