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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.lang3;
19  
20  /**
21   * Supplementary character test fixtures.
22   *
23   * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html
24   */
25  public class Supplementary {
26  
27      /**
28       * Supplementary character U+20000 See https://www.oracle.com/technical-resources/articles/javase/supplementary.html
29       * <p>
30       * The UTF-16 character encoding scheme is {@code [high-surrogates][low-surrogates]}.
31       * </p>
32       * <p>
33       * Supplementary characters are encoded in two code units, the first from the high-surrogates range (U+D800 to U+DBFF), the second from the low-surrogates
34       * range (U+DC00 to U+DFFF).
35       * </p>
36       */
37      static final String CharU20000 = "\uD840\uDC00";
38  
39      /**
40       * Supplementary character U+20001 See https://www.oracle.com/technical-resources/articles/javase/supplementary.html
41       * <p>
42       * The UTF-16 character encoding scheme is {@code [high-surrogates][low-surrogates]}.
43       * </p>
44       * <p>
45       * Supplementary characters are encoded in two code units, the first from the high-surrogates range (U+D800 to U+DBFF), the second from the low-surrogates
46       * range (U+DC00 to U+DFFF).
47       * </p>
48       */
49      static final String CharU20001 = "\uD840\uDC01";
50  
51      /**
52       * Incomplete supplementary character U+20000, <em>high surrogate only</em>.
53       * <p>
54       * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html
55       * </p>
56       */
57      static final String CharUSuppCharHigh = "\uD840";
58  
59      /**
60       * Incomplete supplementary character U+20000, <em>low surrogate only</em>.
61       * <p>
62       * See https://www.oracle.com/technical-resources/articles/javase/supplementary.html
63       * </p>
64       */
65      static final String CharUSuppCharLow = "\uDC00";
66  
67  }