/*
    * 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
    *
   *   https://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.commons.compress.archivers.zip;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.nio.charset.Charset;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link ZipEncodingHelper}.
   */
  class ZipEncodingHelperTest {
  
      @Test
      void testGetZipEncodingForDefault() {
          assertEquals(Charset.defaultCharset(), ((NioZipEncoding) ZipEncodingHelper.getZipEncoding(Charset.defaultCharset().name())).getCharset());
      }
  
      @Test
      void testGetZipEncodingForIllegalName() {
          assertEquals(Charset.defaultCharset(), ((NioZipEncoding) ZipEncodingHelper.getZipEncoding("")).getCharset());
      }
  
      @Test
      void testGetZipEncodingForNull() {
          assertEquals(Charset.defaultCharset(), ((NioZipEncoding) ZipEncodingHelper.getZipEncoding((Charset) null)).getCharset());
          assertEquals(Charset.defaultCharset(), ((NioZipEncoding) ZipEncodingHelper.getZipEncoding((String) null)).getCharset());
      }
  
      @Test
      void testGetZipEncodingForUnknown() {
          assertEquals(Charset.defaultCharset(), ((NioZipEncoding) ZipEncodingHelper.getZipEncoding("X")).getCharset());
      }
  }