1 package net.jaekl.qd.util;
3 import java.io.BufferedReader;
4 import java.io.ByteArrayInputStream;
5 import java.io.IOException;
6 import java.io.InputStreamReader;
7 import java.nio.charset.Charset;
9 import junit.framework.Assert;
11 import org.junit.Test;
13 public class InputStreamWrapperTest {
14 static final String[] DATA = {
16 "<?xml encoding=\"utf-8\"?><Root/>\n",
19 "arma virumque cano, Troiae qui primus ab oris\n" +
20 "Italiam fato profugus Laviniaque venit\n" +
21 "litora, multum ille et terris iactatus et alto\n" +
22 "vi superum, saevae memorem Iunonis ob iram,\n" +
23 "multa quoque et bello passus, dum conderet urbem\n" +
24 "inferretque deos Latio; genus unde\n" +
25 "Albanique patres atque altae moenia Romae.\n" +
26 "Musa, mihi causas memora, quo numine laeso\n" +
27 "quidve dolens regina deum tot volvere\n" +
28 "insignem pietate virum, tot adire labores\n" +
29 "impulerit. tantaene animis caelestibus irae?\n" +
30 "urbs antiqua fuit (Tyrii tenuere coloni)\n" +
31 "Karthago, Italiam contra Tiberinaque longe\n" +
32 "ostia, dives opum studiisque asperrima belli,\n" +
33 "quam Iuno fertur terris magis omnibus unam\n" +
34 "posthabita coluisse Samo. hic illius arma,\n" +
35 "hic currus fuit; hoc regnum dea gentibus esse,\n" +
36 "si qua fata sinant, iam tum tenditque fovetque.\n" +
37 "progeniem sed enim Troiano a sanguine duci\n" +
38 "audierat Tyrias olim quae verteret arces;\n" +
39 "hinc populum late regem belloque superbum\n" +
40 "venturum excidio Libyae; sic volvere Parcas.\n" +
41 "id metuens veterisque memor Saturnia belli,\n" +
42 "prima quod ad Troiam pro caris gesserat Argis_\n" +
43 "necdum etiam causae irarum saevique dolores\n" +
44 "exciderant animo; manet alta mente repostum\n" +
45 "iudicium Paridis spretaeque iniuria formae\n" +
46 "et genus invisum et rapti Ganymedis honores:\n" +
47 "his accensa super iactatos aequore toto\n" +
48 "Troas, reliquias Danaum atque immitis Achilli,\n" +
49 "arcebat longe Latio, multosque per annos\n" +
50 "errabant acti fatis maria omnia circum.\n"
54 public void testRead() throws IOException {
55 Charset utf8 = Charset.forName("UTF-8");
56 StringBuilder sb = new StringBuilder();
57 ByteArrayInputStream bais = null;
58 BufferedReader br = null;
60 for (String datum : DATA) {
61 sb.setLength(0); // reset the builder
62 int end = datum.length();
63 if (end > InputStreamWrapper.HEAD_MAX) {
64 end = InputStreamWrapper.HEAD_MAX;
66 String expected = datum.substring(0, end);
69 bais = new ByteArrayInputStream(datum.getBytes(utf8));
70 InputStreamWrapper isw = new InputStreamWrapper(bais);
71 br = new BufferedReader(new InputStreamReader(isw));
73 while (null != line) {
74 sb.append(line).append("\n");
77 String actualRead = sb.toString();
78 String actualHead = new String(isw.getHeadBytes(), utf8);
80 Assert.assertEquals(datum, actualRead);
81 Assert.assertEquals(expected, actualHead);