package com.alibaba.json.bvt.parser;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import junit.framework.Assert;
import junit.framework.TestCase;
import com.alibaba.fastjson.util.IOUtils;
import com.alibaba.fastjson.util.ThreadLocalCache;
import com.alibaba.fastjson.util.UTF8Decoder;
public class TestUTF8_4 extends TestCase {
public void test_error_0() throws Exception {
byte[] bytes = decodeHex("FBB0B0B0B0B0".toCharArray());
UTF8Decoder charsetDecoder = new UTF8Decoder();
int scaleLength = (int) (bytes.length * (double) charsetDecoder.maxCharsPerByte());
char[] chars = ThreadLocalCache.getChars(scaleLength);
CharBuffer charBuffer = CharBuffer.wrap(chars);
Exception error = null;
try {
IOUtils.decode(charsetDecoder, ByteBuffer.wrap(bytes), charBuffer);
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
}
public void test_error_1() throws Exception {
byte[] bytes = decodeHex("FCB0B0B0B0B0".toCharArray());
UTF8Decoder charsetDecoder = new UTF8Decoder();
int scaleLength = (int) (bytes.length * (double) charsetDecoder.maxCharsPerByte());
char[] chars = ThreadLocalCache.getChars(scaleLength);
CharBuffer charBuffer = CharBuffer.wrap(chars);
Exception error = null;
try {
IOUtils.decode(charsetDecoder, ByteBuffer.wrap(bytes), charBuffer);
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
}
public void test_error_2() throws Exception {
byte[] bytes = decodeHex("C0".toCharArray());
UTF8Decoder charsetDecoder = new UTF8Decoder();
int scaleLength = (int) (bytes.length * (double) charsetDecoder.maxCharsPerByte());
char[] chars = ThreadLocalCache.getChars(scaleLength);
CharBuffer charBuffer = CharBuffer.wrap(chars);
Exception error = null;
try {
IOUtils.decode(charsetDecoder, ByteBuffer.wrap(bytes), charBuffer);
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
}
public void test_error_3() throws Exception {
UTF8Decoder charsetDecoder = new UTF8Decoder();
Exception error = null;
try {
charsetDecoder.malformedN(null, 5);
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
}
public void test_error_4() throws Exception {
byte[] bytes = decodeHex("20".toCharArray());
UTF8Decoder charsetDecoder = new UTF8Decoder();
char[] chars = new char[0];
CharBuffer charBuffer = CharBuffer.wrap(chars);
Exception error = null;
try {
IOUtils.decode(charsetDecoder, ByteBuffer.wrap(bytes), charBuffer);
} catch (Exception ex) {
error = ex;
}
Assert.assertNotNull(error);
}
public static byte[] decodeHex(char[] data) throws Exception {
int len = data.length;
if ((len & 0x01) != 0) {
throw new Exception("Odd number of characters.");
}
byte[] out = new byte[len >> 1];
// two characters form the hex value.
for (int i = 0, j = 0; j < len; i++) {
int f = toDigit(data[j], j) << 4;
j++;
f = f | toDigit(data[j], j);
j++;
out[i] = (byte) (f & 0xFF);
}
return out;
}
protected static int toDigit(char ch, int index) throws Exception {
int digit = Character.digit(ch, 16);
if (digit == -1) {
throw new Exception("Illegal hexadecimal character " + ch + " at index " + index);
}
return digit;
}
}