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1
8
9 package com.sleepycat.util.test;
10
11 import java.io.DataOutputStream  ;
12 import java.util.Arrays ;
13
14 import junit.framework.Test;
15 import junit.framework.TestCase;
16 import junit.framework.TestSuite;
17
18 import com.sleepycat.collections.test.DbTestUtil;
19 import com.sleepycat.util.FastOutputStream;
20 import com.sleepycat.util.UtfOps;
21
22
25 public class UtfTest extends TestCase {
26
27 public static void main(String [] args)
28 throws Exception {
29
30 junit.framework.TestResult tr =
31 junit.textui.TestRunner.run(suite());
32 if (tr.errorCount() > 0 ||
33 tr.failureCount() > 0) {
34 System.exit(1);
35 } else {
36 System.exit(0);
37 }
38 }
39
40 public static Test suite()
41 throws Exception {
42
43 TestSuite suite = new TestSuite(UtfTest.class);
44 return suite;
45 }
46
47 public UtfTest(String name) {
48
49 super(name);
50 }
51
52 public void setUp() {
53
54 DbTestUtil.printTestName("UtfTest." + getName());
55 }
56
57
62 public void testMultibyte()
63 throws Exception {
64
65 char c = 0;
66 byte[] buf = new byte[10];
67 byte[] javaBuf = new byte[10];
68 char[] cArray = new char[1];
69 FastOutputStream javaBufStream = new FastOutputStream(javaBuf);
70 DataOutputStream javaOutStream = new DataOutputStream (javaBufStream);
71
72 try {
73 for (int cInt = Character.MIN_VALUE; cInt <= Character.MAX_VALUE;
74 cInt += 1) {
75 c = (char) cInt;
76 cArray[0] = c;
77 int byteLen = UtfOps.getByteLength(cArray);
78
79 javaBufStream.reset();
80 javaOutStream.writeUTF(new String (cArray));
81 int javaByteLen = javaBufStream.size() - 2;
82
83 if (byteLen != javaByteLen) {
84 fail("Character 0x" + Integer.toHexString(c) +
85 " UtfOps size " + byteLen +
86 " != JavaIO size " + javaByteLen);
87 }
88
89 Arrays.fill(buf, (byte) 0);
90 UtfOps.charsToBytes(cArray, 0, buf, 0, 1);
91
92 if (byteLen == 1 && buf[0] == (byte) 0xff) {
93 fail("Character 0x" + Integer.toHexString(c) +
94 " was encoded as FF, which is reserved for null");
95 }
96
97 for (int i = 0; i < byteLen; i += 1) {
98 if (buf[i] != javaBuf[i + 2]) {
99 fail("Character 0x" + Integer.toHexString(c) +
100 " byte offset " + i +
101 " UtfOps byte " + Integer.toHexString(buf[i]) +
102 " != JavaIO byte " +
103 Integer.toHexString(javaBuf[i + 2]));
104 }
105 }
106
107 int charLen = UtfOps.getCharLength(buf, 0, byteLen);
108 if (charLen != 1) {
109 fail("Character 0x" + Integer.toHexString(c) +
110 " UtfOps char len " + charLen +
111 " but should be one");
112 }
113
114 cArray[0] = (char) 0;
115 int len = UtfOps.bytesToChars(buf, 0, cArray, 0, byteLen,
116 true);
117 if (len != byteLen) {
118 fail("Character 0x" + Integer.toHexString(c) +
119 " UtfOps bytesToChars(w/byteLen) len " + len +
120 " but should be " + byteLen);
121 }
122
123 if (cArray[0] != c) {
124 fail("Character 0x" + Integer.toHexString(c) +
125 " UtfOps bytesToChars(w/byteLen) char " +
126 Integer.toHexString(cArray[0]));
127 }
128
129 cArray[0] = (char) 0;
130 len = UtfOps.bytesToChars(buf, 0, cArray, 0, 1, false);
131 if (len != byteLen) {
132 fail("Character 0x" + Integer.toHexString(c) +
133 " UtfOps bytesToChars(w/charLen) len " + len +
134 " but should be " + byteLen);
135 }
136
137 if (cArray[0] != c) {
138 fail("Character 0x" + Integer.toHexString(c) +
139 " UtfOps bytesToChars(w/charLen) char " +
140 Integer.toHexString(cArray[0]));
141 }
142
143 String s = new String (cArray, 0, 1);
144 byte[] sBytes = UtfOps.stringToBytes(s);
145 if (sBytes.length != byteLen) {
146 fail("Character 0x" + Integer.toHexString(c) +
147 " UtfOps stringToBytes() len " + sBytes.length +
148 " but should be " + byteLen);
149 }
150
151 for (int i = 0; i < byteLen; i += 1) {
152 if (sBytes[i] != javaBuf[i + 2]) {
153 fail("Character 0x" + Integer.toHexString(c) +
154 " byte offset " + i +
155 " UtfOps byte " + Integer.toHexString(sBytes[i]) +
156 " != JavaIO byte " +
157 Integer.toHexString(javaBuf[i + 2]));
158 }
159 }
160 }
161 } catch (Exception e) {
162 System.out.println("Character 0x" + Integer.toHexString(c) +
163 " exception occurred");
164 throw e;
165 }
166 }
167 }
168
169 |
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