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
76
77
78
79
80
|
/*
* 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 java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
/**
* @author Drew Noakes https://drewnoakes.com
*/
public class CompoundExceptionTest
{
@Test
public void testGetMessage_NonNested() throws Exception
{
try {
throw new CompoundException("message");
} catch (CompoundException e) {
assertEquals("message", e.getMessage());
}
}
@Test
public void testGetMessage_Nested() throws Exception
{
try {
try {
throw new IOException("io");
} catch (IOException e) {
throw new CompoundException("compound", e);
}
} catch (CompoundException e) {
assertEquals("compound", e.getMessage());
final Throwable innerException = e.getInnerException();
assertNotNull(innerException);
assertEquals("io", innerException.getMessage());
}
}
@Test
public void testNoInnerException() throws Exception
{
try {
throw new CompoundException("message", null);
} catch (CompoundException e) {
try {
PrintStream nullStream = new PrintStream(new NullOutputStream());
e.printStackTrace(nullStream);
e.printStackTrace(new PrintWriter(nullStream));
} catch (Exception e1) {
fail("Exception during printStackTrace for CompoundException with no inner exception");
}
}
}
}
|
