Newer
Older
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
/*
* Copyright 2011 ETH Zuerich, CISD
*
* 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.
*/
package exceptions;
import static org.testng.AssertJUnit.*;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.testng.annotations.Test;
import ch.systemsx.cisd.base.exceptions.CheckedExceptionTunnel;
import ch.systemsx.cisd.base.exceptions.IOExceptionUnchecked;
/**
* Test cases for {@link IOExceptionUnchecked}.
*
* @author Bernd Rinn
*/
public class IOExceptionUncheckedTests
{
private void generateFileNotFoundException() throws IOExceptionUnchecked
{
try
{
new FileInputStream(new File("doesnt.exist"));
} catch (IOException ex)
{
throw CheckedExceptionTunnel.wrapIfNecessary(ex);
}
}
@Test
public void testWrapUnwrapIOException()
{
try
{
generateFileNotFoundException();
fail("No IOException thrown");
} catch (IOExceptionUnchecked e)
{
final Exception ex = CheckedExceptionTunnel.unwrapIfNecessary(e);
assertTrue(ex instanceof FileNotFoundException);
assertEquals("doesnt.exist (No such file or directory)", ex.getMessage());
}
}
@Test
public void testWrapUnwrapNonIOException()
{
try
{
throw new IOExceptionUnchecked(new IllegalStateException("Don't like this state"));
} catch (CheckedExceptionTunnel e)
{
final Exception ex = CheckedExceptionTunnel.unwrapIfNecessary(e);
assertTrue(ex instanceof IOException);
assertEquals("IllegalStateException: Don't like this state", ex.getMessage());
assertNotNull(ex.getCause());
assertTrue(ex.getCause() instanceof IllegalStateException);
assertEquals("Don't like this state", ex.getCause().getMessage());
}
}
@Test
public void testWrapUnwrapIOExceptionGivingMsg()
{
try
{
throw new IOExceptionUnchecked("Some message");
} catch (CheckedExceptionTunnel e)
{
final Exception ex = CheckedExceptionTunnel.unwrapIfNecessary(e);
assertTrue(ex instanceof IOException);
assertEquals("Some message", ex.getMessage());
assertNull(ex.getCause());
}
}
}