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1 package net.sf.uitags.util;
2
3 import java.io.IOException  ;
4 import java.io.InputStream ;
5 import java.io.Reader ;
6
7 import junit.framework.TestCase;
8
9 public class ResourceCloserTest extends TestCase {
10 public void testDoesNotFailOnNullResource() {
11 Reader reader = null;
12 ResourceCloser.close(reader);
13
14 InputStream inputStream = null;
15 ResourceCloser.close(inputStream);
16 }
17
18 public void testDoesNotFailOnExceptionCausedByClosingResource() {
19 ResourceCloser.close(new MockReader());
20 ResourceCloser.close(new MockInputStream());
21 }
22
23
24
25
29 private static final class MockReader extends Reader {
30 public void close() throws IOException {
31 throw new IOException (
32 "Thrown by a test method that always throws an exception.");
33 }
34
35 public int read(char[] cbuf, int off, int len) throws IOException {
36 return 0;
37 }
38 }
39
40 private static final class MockInputStream extends InputStream {
41 public void close() throws IOException {
42 throw new IOException (
43 "Thrown by a test method that always throws an exception.");
44 }
45
46 public int read() throws IOException {
47 return 0;
48 }
49 }
50 }
51 |
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