1 ///////////////////////////////////////////////////////////////////////////////////////////////
2 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
3 // Copyright (C) 2001-2024 the original author or authors.
4 //
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Lesser General Public
7 // License as published by the Free Software Foundation; either
8 // version 2.1 of the License, or (at your option) any later version.
9 //
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Lesser General Public License for more details.
14 //
15 // You should have received a copy of the GNU Lesser General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ///////////////////////////////////////////////////////////////////////////////////////////////
19
20 package com.puppycrawl.tools.checkstyle.xpath.iterators;
21
22 import static com.google.common.truth.Truth.assertWithMessage;
23 import static com.puppycrawl.tools.checkstyle.internal.utils.XpathIteratorUtil.findNode;
24
25 import org.junit.jupiter.api.Test;
26
27 import net.sf.saxon.om.NodeInfo;
28
29 public class ReverseDescendantIteratorTest {
30
31 @Test
32 public void testCorrectOrder() {
33 final NodeInfo startNode = findNode("CLASS_DEF");
34
35 try (ReverseDescendantIterator iterator = new ReverseDescendantIterator(startNode)) {
36 assertWithMessage("Invalid node")
37 .that(iterator.next())
38 .isEqualTo(findNode("OBJBLOCK"));
39 assertWithMessage("Invalid node")
40 .that(iterator.next())
41 .isEqualTo(findNode("RCURLY"));
42 assertWithMessage("Invalid node")
43 .that(iterator.next())
44 .isEqualTo(findNode("METHOD_DEF"));
45 assertWithMessage("Invalid node")
46 .that(iterator.next())
47 .isEqualTo(findNode("LCURLY"));
48 assertWithMessage("Invalid node")
49 .that(iterator.next())
50 .isEqualTo(findNode("SLIST"));
51 assertWithMessage("Invalid node")
52 .that(iterator.next())
53 .isEqualTo(findNode("PARAMETERS"));
54 assertWithMessage("Node should be null")
55 .that(iterator.next())
56 .isNull();
57 assertWithMessage("Node should be null")
58 .that(iterator.next())
59 .isNull();
60 }
61 }
62 }