1/*- 2 * See the file LICENSE for redistribution information. 3 * 4 * Copyright (c) 2002,2008 Oracle. All rights reserved. 5 * 6 * $Id: UtfTest.java,v 12.7 2008/02/07 17:12:33 mark Exp $ 7 */ 8 9package com.sleepycat.util.test; 10 11import java.io.DataOutputStream; 12import java.util.Arrays; 13 14import junit.framework.Test; 15import junit.framework.TestCase; 16import junit.framework.TestSuite; 17 18import com.sleepycat.util.FastOutputStream; 19import com.sleepycat.util.UtfOps; 20import com.sleepycat.util.test.SharedTestUtils; 21 22/** 23 * @author Mark Hayes 24 */ 25public 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 SharedTestUtils.printTestName("UtfTest." + getName()); 55 } 56 57 /** 58 * Compares the UtfOps implementation to the java.util.DataOutputStream 59 * (and by implication DataInputStream) implementation, character for 60 * character in the full Unicode set. 61 */ 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