/*
    * 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 org.apache.commons.lang3.AbstractLangTest;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests for {@link org.apache.commons.lang3.text.translate.UnicodeEscaper}.
   */
  @Deprecated
  class UnicodeEscaperTest extends AbstractLangTest {
  
      @Test
      void testAbove() {
          final UnicodeEscaper ue = UnicodeEscaper.above('F');
          final String input = "ADFGZ";
          final String result = ue.translate(input);
          assertEquals("ADF\\u0047\\u005A", result, "Failed to escape Unicode characters via the above method");
      }
  
      @Test
      void testBelow() {
          final UnicodeEscaper ue = UnicodeEscaper.below('F');
          final String input = "ADFGZ";
          final String result = ue.translate(input);
          assertEquals("\\u0041\\u0044FGZ", result, "Failed to escape Unicode characters via the below method");
      }
  
      @Test
      void testBetween() {
          final UnicodeEscaper ue = UnicodeEscaper.between('F', 'L');
          final String input = "ADFGZ";
          final String result = ue.translate(input);
          assertEquals("AD\\u0046\\u0047Z", result, "Failed to escape Unicode characters via the between method");
      }
  
      @Test
      void testSupplementary() {
          final UnicodeEscaper ue = UnicodeEscaper.above(0x7f);
          // U+10437 (DESERET SMALL LETTER YEE) encodes to surrogate pair U+D801 U+DC37.
          final String input = new String(Character.toChars(0x10437));
          final String result = ue.translate(input);
          assertEquals("\\uD801\\uDC37", result, "Supplementary code point must escape to a surrogate pair");
          assertEquals(input, new UnicodeUnescaper().translate(result), "Escaped supplementary code point must round-trip");
      }
  }