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1 package org.columba.core.io;
2
3 import java.io.ByteArrayInputStream  ;
4 import java.io.IOException ;
5
6 import junit.framework.TestCase;
7
8 public class SteerableInputStreamTest extends TestCase {
9
10 public void test() throws IOException {
11 byte[] test = new byte[] {0, 1, 2, 3, 4, 5 , 6, 7, 8, 9, 10};
12 byte[] dummy = new byte[5];
13
14 SteerableInputStream in = new SteerableInputStream(new ByteArrayInputStream (test));
15
16 assertEquals(test.length,in.getLengthLeft());
17 assertEquals(0, in.getPosition());
18
19 in.setLengthLeft(3);
20 in.setPosition(2);
21 assertEquals(1,in.getLengthLeft());
22 assertEquals(2, in.getPosition());
23
24 assertEquals(2, in.read());
25 assertEquals(0,in.getLengthLeft());
26 assertEquals(-1, in.read());
27 assertEquals(0,in.read(dummy));
28
29 in.setLengthLeft(100);
30 assertEquals(test.length - in.getPosition(), in.getLengthLeft());
31 assertEquals(3, in.read());
32
33 assertEquals(3,in.read(dummy,2,3));
34 assertEquals(4,dummy[2]);
35 assertEquals(6,dummy[4]);
36
37 assertEquals(4,in.read(dummy));
38 assertEquals(10, dummy[3]);
39
40 }
41
42 }
43 |
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