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.juneau.utils;
18
19 import static org.junit.jupiter.api.Assertions.*;
20
21 import org.apache.juneau.*;
22 import org.apache.juneau.parser.*;
23 import org.junit.jupiter.api.*;
24
25 class ParserReaderTest extends TestBase {
26
27 //====================================================================================================
28 // test
29 //====================================================================================================
30 @Test void a01_test() throws Exception {
31 try (ParserReader r = new ParserReader(new ParserPipe("abc123"))) {
32 assertEquals('a', r.read());
33 r.unread();
34 assertEquals('a', r.read());
35 assertEquals('b', r.read());
36 r.unread();
37 assertEquals("bc", r.read(2));
38 assertEquals('1', r.read());
39 r.unread();
40 r.read();
41 assertEquals('2', r.peek());
42 assertEquals('2', r.peek());
43 assertEquals('2', r.read());
44 assertEquals('3', r.read());
45 assertEquals(-1, r.read());
46 assertEquals(-1, r.read());
47 }
48 }
49 }