|
1 package org.objectweb.celtix.common.util;
2
3 import java.io.ByteArrayOutputStream  ;
4 import java.io.StringWriter ;
5
6 import junit.framework.TestCase;
7
8 public class Base64UtilityTest extends TestCase {
9
10 public Base64UtilityTest(String arg0) {
11 super(arg0);
12 }
13
14 void assertEquals(byte b1[], byte b2[]) {
15 assertEquals(b1.length, b2.length);
16 for (int x = 0; x < b1.length; x++) {
17 assertEquals(b1[x], b2[x]);
18 }
19 }
20
21 public void testEncodeDecodeChunk() throws Exception {
22 byte bytes[] = new byte[100];
23 for (int x = 0; x < bytes.length; x++) {
24 bytes[x] = (byte)x;
25 }
26
27 char encodedChars[] = Base64Utility.encodeChunk(bytes, 0, -2);
28 assertNull(encodedChars);
29 encodedChars = Base64Utility.encodeChunk(bytes, 0, bytes.length);
30 assertNotNull(encodedChars);
31 byte bytesDecoded[] = Base64Utility.decodeChunk(encodedChars, 0, encodedChars.length);
32 assertEquals(bytes, bytesDecoded);
33
34 bytes = new byte[99];
36 for (int x = 0; x < bytes.length; x++) {
37 bytes[x] = (byte)x;
38 }
39 encodedChars = Base64Utility.encodeChunk(bytes, 0, bytes.length);
40 assertNotNull(encodedChars);
41 bytesDecoded = Base64Utility.decodeChunk(encodedChars, 0, encodedChars.length);
42 assertEquals(bytes, bytesDecoded);
43
44 bytes = new byte[98];
46 for (int x = 0; x < bytes.length; x++) {
47 bytes[x] = (byte)x;
48 }
49 encodedChars = Base64Utility.encodeChunk(bytes, 0, bytes.length);
50 assertNotNull(encodedChars);
51 bytesDecoded = Base64Utility.decodeChunk(encodedChars, 0, encodedChars.length);
52 assertEquals(bytes, bytesDecoded);
53
54 bytes = new byte[97];
56 for (int x = 0; x < bytes.length; x++) {
57 bytes[x] = (byte)x;
58 }
59 encodedChars = Base64Utility.encodeChunk(bytes, 0, bytes.length);
60 assertNotNull(encodedChars);
61 bytesDecoded = Base64Utility.decodeChunk(encodedChars, 0, encodedChars.length);
62 assertEquals(bytes, bytesDecoded);
63
64
65 bytesDecoded = Base64Utility.decodeChunk(new char[3], 0, 3);
66 assertNull(bytesDecoded);
67 bytesDecoded = Base64Utility.decodeChunk(new char[9], 0, 9);
68 assertNull(bytesDecoded);
69 }
70
71 public void testEncodeDecodeString() throws Exception {
72 String in = "QWxhZGRpbjpvcGVuIHNlc2FtZQ==";
73 byte bytes[] = Base64Utility.decode(in);
74 assertEquals("Aladdin:open sesame", new String (bytes));
75 String encoded = Base64Utility.encode(bytes);
76 assertEquals(in, encoded);
77 }
78
79 public void testEncodeDecodeStreams() throws Exception {
80 byte bytes[] = new byte[100];
81 for (int x = 0; x < bytes.length; x++) {
82 bytes[x] = (byte)x;
83 }
84 ByteArrayOutputStream bout = new ByteArrayOutputStream ();
85 ByteArrayOutputStream bout2 = new ByteArrayOutputStream ();
86 Base64Utility.encodeChunk(bytes, 0, bytes.length, bout);
87 String encodedString = new String (bout.toByteArray());
88 Base64Utility.decode(encodedString.toCharArray(),
89 0,
90 encodedString.length(),
91 bout2);
92 assertEquals(bytes, bout2.toByteArray());
93
94
95 String in = "QWxhZGRpbjpvcGVuIHNlc2FtZQ==";
96 bout.reset();
97 bout2.reset();
98 Base64Utility.decode(in, bout);
99 bytes = bout.toByteArray();
100 assertEquals("Aladdin:open sesame", new String (bytes));
101 StringWriter writer = new StringWriter ();
102 Base64Utility.encode(bytes, 0, bytes.length, writer);
103 assertEquals(in, writer.toString());
104
105 }
106
107
108 }
109 |
Popular Tags |
Java API By Example, From Geeks To Geeks.