/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002-2005
* Sleepycat Software. All rights reserved.
*
* $Id: UtfTest.java,v 1.15 2004/12/22 14:11:47 linda Exp $
*/
package com.sleepycat.util.test;
import java.io.DataOutputStream;
import java.util.Arrays;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import com.sleepycat.collections.test.DbTestUtil;
import com.sleepycat.util.FastOutputStream;
import com.sleepycat.util.UtfOps;
/**
* @author Mark Hayes
*/
public class UtfTest extends TestCase {
public static void main(String[] args)
throws Exception {
junit.framework.TestResult tr =
junit.textui.TestRunner.run(suite());
if (tr.errorCount() > 0 ||
tr.failureCount() > 0) {
System.exit(1);
} else {
System.exit(0);
}
}
public static Test suite()
throws Exception {
TestSuite suite = new TestSuite(UtfTest.class);
return suite;
}
public UtfTest(String name) {
super(name);
}
public void setUp() {
DbTestUtil.printTestName("UtfTest." + getName());
}
/**
* Compares the UtfOps implementation to the java.util.DataOutputStream
* (and by implication DataInputStream) implementation, character for
* character in the full Unicode set.
*/
public void testMultibyte()
throws Exception {
char c = 0;
byte[] buf = new byte[10];
byte[] javaBuf = new byte[10];
char[] cArray = new char[1];
FastOutputStream javaBufStream = new FastOutputStream(javaBuf);
DataOutputStream javaOutStream = new DataOutputStream(javaBufStream);
try {
for (int cInt = Character.MIN_VALUE; cInt <= Character.MAX_VALUE;
cInt += 1) {
c = (char) cInt;
cArray[0] = c;
int byteLen = UtfOps.getByteLength(cArray);
javaBufStream.reset();
javaOutStream.writeUTF(new String(cArray));
int javaByteLen = javaBufStream.size() - 2;
if (byteLen != javaByteLen) {
fail("Character 0x" + Integer.toHexString(c) +
" UtfOps size " + byteLen +
" != JavaIO size " + javaByteLen);
}
Arrays.fill(buf, (byte) 0);
UtfOps.charsToBytes(cArray, 0, buf, 0, 1);
if (byteLen == 1 && buf[0] == (byte) 0xff) {
fail("Character 0x" + Integer.toHexString(c) +
" was encoded as FF, which is reserved for null");
}
for (int i = 0; i < byteLen; i += 1) {
if (buf[i] != javaBuf[i + 2]) {
fail("Character 0x" + Integer.toHexString(c) +
" byte offset " + i +
" UtfOps byte " + Integer.toHexString(buf[i]) +
" != JavaIO byte " +
Integer.toHexString(javaBuf[i + 2]));
}
}
int charLen = UtfOps.getCharLength(buf, 0, byteLen);
if (charLen != 1) {
fail("Character 0x" + Integer.toHexString(c) +
" UtfOps char len " + charLen +
" but should be one");
}
cArray[0] = (char) 0;
int len = UtfOps.bytesToChars(buf, 0, cArray, 0, byteLen,
true);
if (len != byteLen) {
fail("Character 0x" + Integer.toHexString(c) +
" UtfOps bytesToChars(w/byteLen) len " + len +
" but should be " + byteLen);
}
if (cArray[0] != c) {
fail("Character 0x" + Integer.toHexString(c) +
" UtfOps bytesToChars(w/byteLen) char " +
Integer.toHexString(cArray[0]));
}
cArray[0] = (char) 0;
len = UtfOps.bytesToChars(buf, 0, cArray, 0, 1, false);
if (len != byteLen) {
fail("Character 0x" + Integer.toHexString(c) +
" UtfOps bytesToChars(w/charLen) len " + len +
" but should be " + byteLen);
}
if (cArray[0] != c) {
fail("Character 0x" + Integer.toHexString(c) +
" UtfOps bytesToChars(w/charLen) char " +
Integer.toHexString(cArray[0]));
}
String s = new String(cArray, 0, 1);
byte[] sBytes = UtfOps.stringToBytes(s);
if (sBytes.length != byteLen) {
fail("Character 0x" + Integer.toHexString(c) +
" UtfOps stringToBytes() len " + sBytes.length +
" but should be " + byteLen);
}
for (int i = 0; i < byteLen; i += 1) {
if (sBytes[i] != javaBuf[i + 2]) {
fail("Character 0x" + Integer.toHexString(c) +
" byte offset " + i +
" UtfOps byte " + Integer.toHexString(sBytes[i]) +
" != JavaIO byte " +
Integer.toHexString(javaBuf[i + 2]));
}
}
}
} catch (Exception e) {
System.out.println("Character 0x" + Integer.toHexString(c) +
" exception occurred");
throw e;
}
}
}