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36 package org.columba.ristretto.coder;
37
38 import java.io.ByteArrayInputStream  ;
39 import java.io.IOException ;
40 import java.io.InputStream ;
41 import java.nio.ByteBuffer ;
42 import java.util.Random ;
43
44 import junit.framework.TestCase;
45
46 public class Base64EncoderInputStreamTest extends TestCase {
47
48
52 public Base64EncoderInputStreamTest(String arg0) {
53 super(arg0);
54 }
55
56 public void test0Pads() {
57 byte[] input = {(byte)0x0ff, (byte)0x080, (byte)0x040,(byte)0x0ff, (byte)0x080, (byte)0x040};
58 String result = "/4BA/4BA";
59 InputStream in = new Base64EncoderInputStream( new ByteArrayInputStream ( input ));
60 int pos = 0;
61
62 try {
63 int next = in.read();
64 while( next != -1 ) {
65 assertTrue( next == result.charAt(pos++));
66 next = in.read();
67 }
68 } catch (IOException e) {
69 e.printStackTrace();
70 }
71
72 assertTrue( pos == 8);
73 }
74
75 public void test1Pads() {
76 byte[] input = {(byte)0x0ff, (byte)0x080, (byte)0x040,(byte)0x0ff, (byte)0x080 };
77 String result = "/4BA/4A=";
78 InputStream in = new Base64EncoderInputStream( new ByteArrayInputStream ( input ));
79 int pos = 0;
80
81 try {
82 int next = in.read();
83 while( next != -1 ) {
84 assertTrue( next == result.charAt(pos++));
85 next = in.read();
86 }
87 } catch (IOException e) {
88 e.printStackTrace();
89 }
90
91 assertTrue( pos == 8);
92 }
93
94
95 public void test2Pads() {
96 byte[] input = {(byte)0x0ff, (byte)0x080, (byte)0x040,(byte)0x0ff };
97 String result = "/4BA/w==";
98 InputStream in = new Base64EncoderInputStream( new ByteArrayInputStream ( input ));
99 int pos = 0;
100
101 try {
102 int next = in.read();
103 while( next != -1 ) {
104 assertTrue( next == result.charAt(pos++));
105 next = in.read();
106 }
107 } catch (IOException e) {
108 e.printStackTrace();
109 }
110
111 assertTrue( pos == 8);
112 }
113
114 public void testEncodeDecode() {
115 Random random = new Random ();
116 byte[] testInput = new byte[(int) (random.nextFloat() * 1024)];
117 random.nextBytes(testInput);
118 StringBuffer encoded = new StringBuffer ();
119 InputStream in = new Base64EncoderInputStream( new ByteArrayInputStream (testInput));
120 try {
121 int next = in.read();
122 while( next != -1 ) {
123 encoded.append((char) next);
124 next = in.read();
125 }
126 } catch (IOException e) {
127 e.printStackTrace();
128 }
129 System.out.println( encoded );
130 ByteBuffer decoded = Base64.decode(encoded);
131 for( int i=0; i<testInput.length; i++) {
132 int next = decoded.get();
133 if(testInput[i] != next ) {
134 System.out.println( i );
135 }
136 assertTrue(testInput[i] == next);
137 }
138 }
139 }
140 |
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