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 * http://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 package org.apache.commons.text.translate;
18
19 import org.junit.Test;
20
21 import java.io.CharArrayWriter;
22 import java.io.IOException;
23
24 import static org.junit.Assert.assertEquals;
25
26 /**
27 * Unit tests for {@link org.apache.commons.text.translate.UnicodeUnpairedSurrogateRemover}.
28 */
29 public class UnicodeUnpairedSurrogateRemoverTest {
30 final org.apache.commons.text.translate.UnicodeUnpairedSurrogateRemover subject = new UnicodeUnpairedSurrogateRemover();
31 final CharArrayWriter writer = new CharArrayWriter(); // nothing is ever written to it
32
33 @Test
34 public void testValidCharacters() throws IOException {
35 assertEquals(false, subject.translate(0xd7ff, writer));
36 assertEquals(false, subject.translate(0xe000, writer));
37 assertEquals(0, writer.size());
38 }
39
40 @Test
41 public void testInvalidCharacters() throws IOException {
42 assertEquals(true, subject.translate(0xd800, writer));
43 assertEquals(true, subject.translate(0xdfff, writer));
44 assertEquals(0, writer.size());
45 }
46 }
47