1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* Copyright 2002-2017 Drew Noakes
*
* Licensed 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
*
* http://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.
*
* More information about this project is available at:
*
* https://drewnoakes.com/code/exif/
* https://github.com/drewnoakes/metadata-extractor
*/
package com.drew.lang;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* @author Drew Noakes https://drewnoakes.com
*/
public class ByteTrieTest
{
@Test
public void testBasics()
{
ByteTrie<String> trie = new ByteTrie<String>();
String[] strings = {"HELLO", "HELLO WORLD", "HERBERT"};
for (String s : strings)
trie.addPath(s, s.getBytes());
for (String s : strings)
assertSame(s, trie.find(s.getBytes()));
assertNull(trie.find("Not Included".getBytes()));
assertNull(trie.find("HELL".getBytes()));
assertNull(trie.find("H".getBytes()));
assertEquals("HELLO", trie.find("HELLO MUM".getBytes()));
assertEquals("HELLO WORLD".length(), trie.getMaxDepth());
trie.setDefaultValue("DEFAULT");
assertEquals("DEFAULT", trie.find("Also Not Included".getBytes()));
assertEquals("DEFAULT", trie.find("H".getBytes()));
assertEquals("DEFAULT", trie.find("HELL".getBytes()));
}
@Test
public void testDisallowsAddingEmptyPath()
{
try {
new ByteTrie<String>().addPath("Foo", new byte[0]);
fail();
} catch (IllegalArgumentException ignored) {
}
try {
new ByteTrie<String>().addPath("Foo", new byte[0], new byte[0], new byte[0]);
fail();
} catch (IllegalArgumentException ignored) {
}
}
}
|
