/*
    * 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.text.translate;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.CharArrayWriter;
  import java.io.IOException;
  
  import org.apache.commons.lang3.AbstractLangTest;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests for {@link org.apache.commons.lang3.text.translate.UnicodeUnpairedSurrogateRemover}.
   */
  @Deprecated
  class UnicodeUnpairedSurrogateRemoverTest extends AbstractLangTest {
  
      private final UnicodeUnpairedSurrogateRemover subject = new UnicodeUnpairedSurrogateRemover();
      private final CharArrayWriter writer = new CharArrayWriter(); // nothing is ever written to it
  
      @Test
      void testInvalidCharacters() throws IOException {
          assertTrue(subject.translate(0xd800, writer));
          assertTrue(subject.translate(0xdfff, writer));
          assertEquals(0, writer.size());
      }
  
      @Test
      void testValidCharacters() throws IOException {
          assertFalse(subject.translate(0xd7ff, writer));
          assertFalse(subject.translate(0xe000, writer));
          assertEquals(0, writer.size());
      }
  }