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1
32 package net.sf.retrotranslator.runtime.java.lang;
33
34 import java.io.*;
35 import java.nio.CharBuffer  ;
36 import java.util.*;
37 import junit.framework.TestCase;
38
39
42 public class _AppendableTestCase extends TestCase {
43
44 private static class AppendableWrapper implements Appendable {
45
46 private Appendable appendable;
47
48 public AppendableWrapper(Appendable appendable) {
49 this.appendable = appendable;
50 }
51
52 public Appendable append(CharSequence csq) throws IOException {
53 appendable.append(csq);
54 return this;
55 }
56
57 public Appendable append(CharSequence csq, int start, int end) throws IOException {
58 appendable.append(csq, start, end);
59 return this;
60 }
61
62 public Appendable append(char c) throws IOException {
63 appendable.append(c);
64 return this;
65 }
66
67 public String toString() {
68 return appendable.toString();
69 }
70 }
71
72 public void testAppend() throws Exception {
73 ByteArrayOutputStream out = new ByteArrayOutputStream();
74 List<Appendable > list = Arrays.asList(new Appendable [] {
75 new StringBuffer (),
76 new PrintStream(out),
77 new StringWriter(),
78 CharBuffer.wrap(new char[10]),
79 new AppendableWrapper(new StringBuffer ())
80 });
81 for (Appendable appendable : list) {
82 assertSame(appendable, appendable.append("abc").append("xyz", 1, 2).append('0'));
83 String s;
84 if (appendable instanceof PrintStream) {
85 s = out.toString();
86 } else if (appendable instanceof CharBuffer ) {
87 CharBuffer buffer = ((CharBuffer ) appendable);
88 buffer.limit(buffer.position());
89 buffer.position(0);
90 s = buffer.toString();
91 } else {
92 s = appendable.toString();
93 }
94 assertEquals("abcy0", s);
95 }
96 }
97 } |
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