source: contrib/MailArchiver/sources/vendor/mime4j/apache-mime4j-0.7-SNAPSHOT-20110327.010440-17/core/src/test/java/org/apache/james/mime4j/codec/QuotedPrintableEncodeTest.java @ 6785

Revision 6785, 5.2 KB checked in by rafaelraymundo, 12 years ago (diff)

Ticket #2946 - Liberado codigo do MailArchiver?. Documentação na subpasta DOCS.

Line 
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19
20package org.apache.james.mime4j.codec;
21
22import java.io.ByteArrayInputStream;
23import java.io.ByteArrayOutputStream;
24import java.io.InputStream;
25import java.nio.charset.Charset;
26import java.util.Arrays;
27
28import junit.framework.TestCase;
29
30import org.apache.commons.io.IOUtils;
31import org.apache.james.mime4j.util.CharsetUtil;
32
33public class QuotedPrintableEncodeTest extends TestCase {
34   
35    @Override
36    protected void setUp() throws Exception {
37        super.setUp();
38    }
39
40    @Override
41    protected void tearDown() throws Exception {
42        super.tearDown();
43    }
44   
45    public void testEscapedSoftBreak() throws Exception {
46        byte[] content = new byte[500];
47        Arrays.fill(content, (byte)0x20);
48        byte[] expected = new byte[1557];
49        int index = 0;
50        for (int l=0;l<20;l++) {
51            for (int i=0;i<25;i++) {
52                expected[index++] = '=';
53                expected[index++] = '2';
54                expected[index++] = '0';
55            }
56            if (l<19) {
57                expected[index++] = '=';
58                expected[index++] = '\r';
59                expected[index++] = '\n';
60            }
61        }
62        check(content, expected);
63    }
64   
65    public void testPlainAsciiSoftBreak() throws Exception {
66        byte[] content = new byte[500];
67        Arrays.fill(content, (byte)0x29);
68        byte[] expected = new byte[518];
69        Arrays.fill(expected, (byte)0x29);
70        expected[75] = '=';
71        expected[76] = '\r';
72        expected[77] = '\n';
73        expected[153] = '=';
74        expected[154] = '\r';
75        expected[155] = '\n';
76        expected[231] = '=';
77        expected[232] = '\r';
78        expected[233] = '\n';
79        expected[309] = '=';
80        expected[310] = '\r';
81        expected[311] = '\n';
82        expected[387] = '=';
83        expected[388] = '\r';
84        expected[389] = '\n';
85        expected[465] = '=';
86        expected[466] = '\r';
87        expected[467] = '\n';
88        check(content, expected);
89    }
90   
91    public void testPlainASCII() throws Exception {
92        checkRoundtrip("Thisisaverysimplemessage.Thisisaverysimplemessage.Thisisaverysimplemessage." +
93                "Thisisaverysimplemessage.Thisisaverysimplemessage.Thisisaverysimplemessage." +
94                "Thisisaverysimplemessage.Thisisaverysimplemessage.Thisisaverysimplemessage." +
95                "Thisisaverysimplemessage.Thisisaverysimplemessage.Thisisaverysimplemessage.");
96    }
97   
98    public void testEncodeSpace() throws Exception {
99        checkRoundtrip("                 ");
100    }
101   
102    public void testLetterEncoding() throws Exception {
103        for (byte b=0;b<Byte.MAX_VALUE;b++) {
104            byte[] content = {b};
105            checkRoundtrip(content);
106        }
107    }
108   
109    private void checkRoundtrip(String content) throws Exception {
110        checkRoundtrip(content, CharsetUtil.US_ASCII);
111    }
112
113    private void checkRoundtrip(String content, Charset charset) throws Exception {
114        checkRoundtrip(charset.encode(content).array());
115    }
116   
117    private void checkRoundtrip(byte[] content) throws Exception {
118        InputStream in = new ByteArrayInputStream(content);
119        ByteArrayOutputStream out = new ByteArrayOutputStream();
120        CodecUtil.encodeQuotedPrintableBinary(in, out);
121        // read back through decoder
122        in = new QuotedPrintableInputStream(new ByteArrayInputStream(out.toByteArray()));
123        out = new ByteArrayOutputStream();
124        IOUtils.copy(in, out);
125        assertEquals(content, out.toByteArray());
126    }
127   
128    private void check(byte[] content, byte[] expected) throws Exception {
129        ByteArrayInputStream in = new ByteArrayInputStream(content);
130        ByteArrayOutputStream out = new ByteArrayOutputStream();
131        CodecUtil.encodeQuotedPrintableBinary(in, out);
132        assertEquals(expected, out.toByteArray());
133    }
134   
135    private void assertEquals(byte[] expected, byte[] actual) {
136        assertEquals(expected.length, actual.length);
137        for (int i = 0; i < actual.length; i++) {
138            assertEquals("Mismatch@" + i, expected[i], actual[i]);
139        }
140    }
141}
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