/*
    * 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.lang3;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.nio.charset.Charset;
  import java.nio.charset.StandardCharsets;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests {@link Charsets}.
   */
  class CharsetsTest extends AbstractLangTest {
  
      @Test
      void testToCharset_Charset() {
          assertEquals(Charset.defaultCharset(), Charsets.toCharset((Charset) null));
          assertEquals(Charset.defaultCharset(), Charsets.toCharset(Charset.defaultCharset()));
          assertEquals(StandardCharsets.UTF_8, Charsets.toCharset(StandardCharsets.UTF_8));
      }
  
      @Test
      void testToCharset_String() {
          assertEquals(Charset.defaultCharset(), Charsets.toCharset((String) null));
          assertEquals(Charset.defaultCharset(), Charsets.toCharset(Charset.defaultCharset().name()));
          assertEquals(StandardCharsets.UTF_8, Charsets.toCharset(StandardCharsets.UTF_8.name()));
      }
  
      @Test
      void testToCharsetName() {
          assertEquals(Charset.defaultCharset().name(), Charsets.toCharsetName((String) null));
          assertEquals("UTF-8", Charsets.toCharsetName(StandardCharsets.UTF_8.name()));
      }
  
  }