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dragonwell8_jdk
提交 494cf7b7 编写于 作者: S sherman
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7096080: UTF8 update and new CESU-8 charset 

7082884: Incorrect UTF8 conversion for sequence ED 31
7082883: Incorrect UTF8 conversion for sequence fc 80 80 8f bf bf
Summary: Updated UTF8 and added CESU-8 to following the latest Standard
Reviewed-by: alanb
上级 06f45cbb
隐藏空白更改
内联 并排
Showing with 897 addition and 104 deletion
make/java/nio/FILES_java.gmk
浏览文件 @ 494cf7b7
......@@ -232,6 +232,7 @@ FILES_src = \
sun/nio/cs/UTF_16BE.java \
sun/nio/cs/UTF_16LE.java \
sun/nio/cs/UTF_8.java \
sun/nio/cs/CESU_8.java \
sun/nio/cs/Unicode.java \
sun/nio/cs/UnicodeDecoder.java \
sun/nio/cs/UnicodeEncoder.java \
......
src/share/classes/sun/nio/cs/CESU_8.java 0 → 100644
浏览文件 @ 494cf7b7
/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.nio.cs;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CoderResult;
import java.nio.charset.CodingErrorAction;
/* Legal CESU-8 Byte Sequences
*
* # Code Points Bits Bit/Byte pattern
* 1 7 0xxxxxxx
* U+0000..U+007F 00..7F
*
* 2 11 110xxxxx 10xxxxxx
* U+0080..U+07FF C2..DF 80..BF
*
* 3 16 1110xxxx 10xxxxxx 10xxxxxx
* U+0800..U+0FFF E0 A0..BF 80..BF
* U+1000..U+FFFF E1..EF 80..BF 80..BF
*
*/
class CESU_8 extends Unicode
{
public CESU_8() {
super("CESU-8", StandardCharsets.aliases_CESU_8);
}
public String historicalName() {
return "CESU8";
}
public CharsetDecoder newDecoder() {
return new Decoder(this);
}
public CharsetEncoder newEncoder() {
return new Encoder(this);
}
private static final void updatePositions(Buffer src, int sp,
Buffer dst, int dp) {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
private static class Decoder extends CharsetDecoder
implements ArrayDecoder {
private Decoder(Charset cs) {
super(cs, 1.0f, 1.0f);
}
private static boolean isNotContinuation(int b) {
return (b & 0xc0) != 0x80;
}
// [E0] [A0..BF] [80..BF]
// [E1..EF] [80..BF] [80..BF]
private static boolean isMalformed3(int b1, int b2, int b3) {
return (b1 == (byte)0xe0 && (b2 & 0xe0) == 0x80) ||
(b2 & 0xc0) != 0x80 || (b3 & 0xc0) != 0x80;
}
// only used when there is only one byte left in src buffer
private static boolean isMalformed3_2(int b1, int b2) {
return (b1 == (byte)0xe0 && (b2 & 0xe0) == 0x80) ||
(b2 & 0xc0) != 0x80;
}
// [F0] [90..BF] [80..BF] [80..BF]
// [F1..F3] [80..BF] [80..BF] [80..BF]
// [F4] [80..8F] [80..BF] [80..BF]
// only check 80-be range here, the [0xf0,0x80...] and [0xf4,0x90-...]
// will be checked by Character.isSupplementaryCodePoint(uc)
private static boolean isMalformed4(int b2, int b3, int b4) {
return (b2 & 0xc0) != 0x80 || (b3 & 0xc0) != 0x80 ||
(b4 & 0xc0) != 0x80;
}
// only used when there is less than 4 bytes left in src buffer
private static boolean isMalformed4_2(int b1, int b2) {
return (b1 == 0xf0 && b2 == 0x90) ||
(b2 & 0xc0) != 0x80;
}
private static boolean isMalformed4_3(int b3) {
return (b3 & 0xc0) != 0x80;
}
private static CoderResult malformedN(ByteBuffer src, int nb) {
switch (nb) {
case 1:
case 2: // always 1
return CoderResult.malformedForLength(1);
case 3:
int b1 = src.get();
int b2 = src.get(); // no need to lookup b3
return CoderResult.malformedForLength(
((b1 == (byte)0xe0 && (b2 & 0xe0) == 0x80) ||
isNotContinuation(b2)) ? 1 : 2);
case 4: // we don't care the speed here
b1 = src.get() & 0xff;
b2 = src.get() & 0xff;
if (b1 > 0xf4 ||
(b1 == 0xf0 && (b2 < 0x90 || b2 > 0xbf)) ||
(b1 == 0xf4 && (b2 & 0xf0) != 0x80) ||
isNotContinuation(b2))
return CoderResult.malformedForLength(1);
if (isNotContinuation(src.get()))
return CoderResult.malformedForLength(2);
return CoderResult.malformedForLength(3);
default:
assert false;
return null;
}
}
private static CoderResult malformed(ByteBuffer src, int sp,
CharBuffer dst, int dp,
int nb)
{
src.position(sp - src.arrayOffset());
CoderResult cr = malformedN(src, nb);
updatePositions(src, sp, dst, dp);
return cr;
}
private static CoderResult malformed(ByteBuffer src,
int mark, int nb)
{
src.position(mark);
CoderResult cr = malformedN(src, nb);
src.position(mark);
return cr;
}
private static CoderResult malformedForLength(ByteBuffer src,
int sp,
CharBuffer dst,
int dp,
int malformedNB)
{
updatePositions(src, sp, dst, dp);
return CoderResult.malformedForLength(malformedNB);
}
private static CoderResult malformedForLength(ByteBuffer src,
int mark,
int malformedNB)
{
src.position(mark);
return CoderResult.malformedForLength(malformedNB);
}
private static CoderResult xflow(Buffer src, int sp, int sl,
Buffer dst, int dp, int nb) {
updatePositions(src, sp, dst, dp);
return (nb == 0 || sl - sp < nb)
? CoderResult.UNDERFLOW : CoderResult.OVERFLOW;
}
private static CoderResult xflow(Buffer src, int mark, int nb) {
src.position(mark);
return (nb == 0 || src.remaining() < nb)
? CoderResult.UNDERFLOW : CoderResult.OVERFLOW;
}
private CoderResult decodeArrayLoop(ByteBuffer src,
CharBuffer dst)
{
// This method is optimized for ASCII input.
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
int dlASCII = dp + Math.min(sl - sp, dl - dp);
// ASCII only loop
while (dp < dlASCII && sa[sp] >= 0)
da[dp++] = (char) sa[sp++];
while (sp < sl) {
int b1 = sa[sp];
if (b1 >= 0) {
// 1 byte, 7 bits: 0xxxxxxx
if (dp >= dl)
return xflow(src, sp, sl, dst, dp, 1);
da[dp++] = (char) b1;
sp++;
} else if ((b1 >> 5) == -2 && (b1 & 0x1e) != 0) {
// 2 bytes, 11 bits: 110xxxxx 10xxxxxx
if (sl - sp < 2 || dp >= dl)
return xflow(src, sp, sl, dst, dp, 2);
int b2 = sa[sp + 1];
if (isNotContinuation(b2))
return malformedForLength(src, sp, dst, dp, 1);
da[dp++] = (char) (((b1 << 6) ^ b2)
^
(((byte) 0xC0 << 6) ^
((byte) 0x80 << 0)));
sp += 2;
} else if ((b1 >> 4) == -2) {
// 3 bytes, 16 bits: 1110xxxx 10xxxxxx 10xxxxxx
int srcRemaining = sl - sp;
if (srcRemaining < 3 || dp >= dl) {
if (srcRemaining > 1 && isMalformed3_2(b1, sa[sp + 1]))
return malformedForLength(src, sp, dst, dp, 1);
return xflow(src, sp, sl, dst, dp, 3);
}
int b2 = sa[sp + 1];
int b3 = sa[sp + 2];
if (isMalformed3(b1, b2, b3))
return malformed(src, sp, dst, dp, 3);
da[dp++] = (char)
((b1 << 12) ^
(b2 << 6) ^
(b3 ^
(((byte) 0xE0 << 12) ^
((byte) 0x80 << 6) ^
((byte) 0x80 << 0))));
sp += 3;
} else {
return malformed(src, sp, dst, dp, 1);
}
}
return xflow(src, sp, sl, dst, dp, 0);
}
private CoderResult decodeBufferLoop(ByteBuffer src,
CharBuffer dst)
{
int mark = src.position();
int limit = src.limit();
while (mark < limit) {
int b1 = src.get();
if (b1 >= 0) {
// 1 byte, 7 bits: 0xxxxxxx
if (dst.remaining() < 1)
return xflow(src, mark, 1); // overflow
dst.put((char) b1);
mark++;
} else if ((b1 >> 5) == -2 && (b1 & 0x1e) != 0) {
// 2 bytes, 11 bits: 110xxxxx 10xxxxxx
if (limit - mark < 2|| dst.remaining() < 1)
return xflow(src, mark, 2);
int b2 = src.get();
if (isNotContinuation(b2))
return malformedForLength(src, mark, 1);
dst.put((char) (((b1 << 6) ^ b2)
^
(((byte) 0xC0 << 6) ^
((byte) 0x80 << 0))));
mark += 2;
} else if ((b1 >> 4) == -2) {
// 3 bytes, 16 bits: 1110xxxx 10xxxxxx 10xxxxxx
int srcRemaining = limit - mark;
if (srcRemaining < 3 || dst.remaining() < 1) {
if (srcRemaining > 1 && isMalformed3_2(b1, src.get()))
return malformedForLength(src, mark, 1);
return xflow(src, mark, 3);
}
int b2 = src.get();
int b3 = src.get();
if (isMalformed3(b1, b2, b3))
return malformed(src, mark, 3);
dst.put((char)
((b1 << 12) ^
(b2 << 6) ^
(b3 ^
(((byte) 0xE0 << 12) ^
((byte) 0x80 << 6) ^
((byte) 0x80 << 0)))));
mark += 3;
} else {
return malformed(src, mark, 1);
}
}
return xflow(src, mark, 0);
}
protected CoderResult decodeLoop(ByteBuffer src,
CharBuffer dst)
{
if (src.hasArray() && dst.hasArray())
return decodeArrayLoop(src, dst);
else
return decodeBufferLoop(src, dst);
}
private static ByteBuffer getByteBuffer(ByteBuffer bb, byte[] ba, int sp)
{
if (bb == null)
bb = ByteBuffer.wrap(ba);
bb.position(sp);
return bb;
}
// returns -1 if there is/are malformed byte(s) and the
// "action" for malformed input is not REPLACE.
public int decode(byte[] sa, int sp, int len, char[] da) {
final int sl = sp + len;
int dp = 0;
int dlASCII = Math.min(len, da.length);
ByteBuffer bb = null; // only necessary if malformed
// ASCII only optimized loop
while (dp < dlASCII && sa[sp] >= 0)
da[dp++] = (char) sa[sp++];
while (sp < sl) {
int b1 = sa[sp++];
if (b1 >= 0) {
// 1 byte, 7 bits: 0xxxxxxx
da[dp++] = (char) b1;
} else if ((b1 >> 5) == -2 && (b1 & 0x1e) != 0) {
// 2 bytes, 11 bits: 110xxxxx 10xxxxxx
if (sp < sl) {
int b2 = sa[sp++];
if (isNotContinuation(b2)) {
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
da[dp++] = replacement().charAt(0);
sp--; // malformedN(bb, 2) always returns 1
} else {
da[dp++] = (char) (((b1 << 6) ^ b2)^
(((byte) 0xC0 << 6) ^
((byte) 0x80 << 0)));
}
continue;
}
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
da[dp++] = replacement().charAt(0);
return dp;
} else if ((b1 >> 4) == -2) {
// 3 bytes, 16 bits: 1110xxxx 10xxxxxx 10xxxxxx
if (sp + 1 < sl) {
int b2 = sa[sp++];
int b3 = sa[sp++];
if (isMalformed3(b1, b2, b3)) {
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
da[dp++] = replacement().charAt(0);
sp -=3;
bb = getByteBuffer(bb, sa, sp);
sp += malformedN(bb, 3).length();
} else {
da[dp++] = (char)((b1 << 12) ^
(b2 << 6) ^
(b3 ^
(((byte) 0xE0 << 12) ^
((byte) 0x80 << 6) ^
((byte) 0x80 << 0))));
}
continue;
}
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
if (sp < sl && isMalformed3_2(b1, sa[sp])) {
da[dp++] = replacement().charAt(0);
continue;
}
da[dp++] = replacement().charAt(0);
return dp;
} else {
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
da[dp++] = replacement().charAt(0);
}
}
return dp;
}
}
private static class Encoder extends CharsetEncoder
implements ArrayEncoder {
private Encoder(Charset cs) {
super(cs, 1.1f, 3.0f);
}
public boolean canEncode(char c) {
return !Character.isSurrogate(c);
}
public boolean isLegalReplacement(byte[] repl) {
return ((repl.length == 1 && repl[0] >= 0) ||
super.isLegalReplacement(repl));
}
private static CoderResult overflow(CharBuffer src, int sp,
ByteBuffer dst, int dp) {
updatePositions(src, sp, dst, dp);
return CoderResult.OVERFLOW;
}
private static CoderResult overflow(CharBuffer src, int mark) {
src.position(mark);
return CoderResult.OVERFLOW;
}
private static void to3Bytes(byte[] da, int dp, char c) {
da[dp] = (byte)(0xe0 | ((c >> 12)));
da[dp + 1] = (byte)(0x80 | ((c >> 6) & 0x3f));
da[dp + 2] = (byte)(0x80 | (c & 0x3f));
}
private static void to3Bytes(ByteBuffer dst, char c) {
dst.put((byte)(0xe0 | ((c >> 12))));
dst.put((byte)(0x80 | ((c >> 6) & 0x3f)));
dst.put((byte)(0x80 | (c & 0x3f)));
}
private Surrogate.Parser sgp;
private char[] c2;
private CoderResult encodeArrayLoop(CharBuffer src,
ByteBuffer dst)
{
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
int dlASCII = dp + Math.min(sl - sp, dl - dp);
// ASCII only loop
while (dp < dlASCII && sa[sp] < '\u0080')
da[dp++] = (byte) sa[sp++];
while (sp < sl) {
char c = sa[sp];
if (c < 0x80) {
// Have at most seven bits
if (dp >= dl)
return overflow(src, sp, dst, dp);
da[dp++] = (byte)c;
} else if (c < 0x800) {
// 2 bytes, 11 bits
if (dl - dp < 2)
return overflow(src, sp, dst, dp);
da[dp++] = (byte)(0xc0 | (c >> 6));
da[dp++] = (byte)(0x80 | (c & 0x3f));
} else if (Character.isSurrogate(c)) {
// Have a surrogate pair
if (sgp == null)
sgp = new Surrogate.Parser();
int uc = sgp.parse(c, sa, sp, sl);
if (uc < 0) {
updatePositions(src, sp, dst, dp);
return sgp.error();
}
if (dl - dp < 6)
return overflow(src, sp, dst, dp);
to3Bytes(da, dp, Character.highSurrogate(uc));
dp += 3;
to3Bytes(da, dp, Character.lowSurrogate(uc));
dp += 3;
sp++; // 2 chars
} else {
// 3 bytes, 16 bits
if (dl - dp < 3)
return overflow(src, sp, dst, dp);
to3Bytes(da, dp, c);
dp += 3;
}
sp++;
}
updatePositions(src, sp, dst, dp);
return CoderResult.UNDERFLOW;
}
private CoderResult encodeBufferLoop(CharBuffer src,
ByteBuffer dst)
{
int mark = src.position();
while (src.hasRemaining()) {
char c = src.get();
if (c < 0x80) {
// Have at most seven bits
if (!dst.hasRemaining())
return overflow(src, mark);
dst.put((byte)c);
} else if (c < 0x800) {
// 2 bytes, 11 bits
if (dst.remaining() < 2)
return overflow(src, mark);
dst.put((byte)(0xc0 | (c >> 6)));
dst.put((byte)(0x80 | (c & 0x3f)));
} else if (Character.isSurrogate(c)) {
// Have a surrogate pair
if (sgp == null)
sgp = new Surrogate.Parser();
int uc = sgp.parse(c, src);
if (uc < 0) {
src.position(mark);
return sgp.error();
}
if (dst.remaining() < 6)
return overflow(src, mark);
to3Bytes(dst, Character.highSurrogate(uc));
to3Bytes(dst, Character.lowSurrogate(uc));
mark++; // 2 chars
} else {
// 3 bytes, 16 bits
if (dst.remaining() < 3)
return overflow(src, mark);
to3Bytes(dst, c);
}
mark++;
}
src.position(mark);
return CoderResult.UNDERFLOW;
}
protected final CoderResult encodeLoop(CharBuffer src,
ByteBuffer dst)
{
if (src.hasArray() && dst.hasArray())
return encodeArrayLoop(src, dst);
else
return encodeBufferLoop(src, dst);
}
// returns -1 if there is malformed char(s) and the
// "action" for malformed input is not REPLACE.
public int encode(char[] sa, int sp, int len, byte[] da) {
int sl = sp + len;
int dp = 0;
int dlASCII = dp + Math.min(len, da.length);
// ASCII only optimized loop
while (dp < dlASCII && sa[sp] < '\u0080')
da[dp++] = (byte) sa[sp++];
while (sp < sl) {
char c = sa[sp++];
if (c < 0x80) {
// Have at most seven bits
da[dp++] = (byte)c;
} else if (c < 0x800) {
// 2 bytes, 11 bits
da[dp++] = (byte)(0xc0 | (c >> 6));
da[dp++] = (byte)(0x80 | (c & 0x3f));
} else if (Character.isSurrogate(c)) {
if (sgp == null)
sgp = new Surrogate.Parser();
int uc = sgp.parse(c, sa, sp - 1, sl);
if (uc < 0) {
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
da[dp++] = replacement()[0];
} else {
to3Bytes(da, dp, Character.highSurrogate(uc));
dp += 3;
to3Bytes(da, dp, Character.lowSurrogate(uc));
dp += 3;
sp++; // 2 chars
}
} else {
// 3 bytes, 16 bits
to3Bytes(da, dp, c);
dp += 3;
}
}
return dp;
}
}
}
src/share/classes/sun/nio/cs/UTF_8.java
浏览文件 @ 494cf7b7
......@@ -72,8 +72,8 @@ class UTF_8 extends Unicode
return new Encoder(this);
}
static final void updatePositions(Buffer src, int sp,
Buffer dst, int dp) {
private static final void updatePositions(Buffer src, int sp,
Buffer dst, int dp) {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
......@@ -88,11 +88,6 @@ class UTF_8 extends Unicode
return (b & 0xc0) != 0x80;
}
// [C2..DF] [80..BF]
private static boolean isMalformed2(int b1, int b2) {
return (b1 & 0x1e) == 0x0 || (b2 & 0xc0) != 0x80;
}
// [E0] [A0..BF] [80..BF]
// [E1..EF] [80..BF] [80..BF]
private static boolean isMalformed3(int b1, int b2, int b3) {
......@@ -100,6 +95,12 @@ class UTF_8 extends Unicode
(b2 & 0xc0) != 0x80 || (b3 & 0xc0) != 0x80;
}
// only used when there is only one byte left in src buffer
private static boolean isMalformed3_2(int b1, int b2) {
return (b1 == (byte)0xe0 && (b2 & 0xe0) == 0x80) ||
(b2 & 0xc0) != 0x80;
}
// [F0] [90..BF] [80..BF] [80..BF]
// [F1..F3] [80..BF] [80..BF] [80..BF]
// [F4] [80..8F] [80..BF] [80..BF]
......@@ -110,6 +111,16 @@ class UTF_8 extends Unicode
(b4 & 0xc0) != 0x80;
}
// only used when there is less than 4 bytes left in src buffer
private static boolean isMalformed4_2(int b1, int b2) {
return (b1 == 0xf0 && b2 == 0x90) ||
(b2 & 0xc0) != 0x80;
}
private static boolean isMalformed4_3(int b3) {
return (b3 & 0xc0) != 0x80;
}
private static CoderResult lookupN(ByteBuffer src, int n)
{
for (int i = 1; i < n; i++) {
......@@ -122,28 +133,14 @@ class UTF_8 extends Unicode
private static CoderResult malformedN(ByteBuffer src, int nb) {
switch (nb) {
case 1:
int b1 = src.get();
if ((b1 >> 2) == -2) {
// 5 bytes 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
if (src.remaining() < 4)
return CoderResult.UNDERFLOW;
return lookupN(src, 5);
}
if ((b1 >> 1) == -2) {
// 6 bytes 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
if (src.remaining() < 5)
return CoderResult.UNDERFLOW;
return lookupN(src, 6);
}
return CoderResult.malformedForLength(1);
case 2: // always 1
return CoderResult.malformedForLength(1);
case 3:
b1 = src.get();
int b1 = src.get();
int b2 = src.get(); // no need to lookup b3
return CoderResult.malformedForLength(
((b1 == (byte)0xe0 && (b2 & 0xe0) == 0x80) ||
isNotContinuation(b2))?1:2);
isNotContinuation(b2)) ? 1 : 2);
case 4: // we don't care the speed here
b1 = src.get() & 0xff;
b2 = src.get() & 0xff;
......@@ -171,6 +168,7 @@ class UTF_8 extends Unicode
return cr;
}
private static CoderResult malformed(ByteBuffer src,
int mark, int nb)
{
......@@ -180,18 +178,36 @@ class UTF_8 extends Unicode
return cr;
}
private static CoderResult malformedForLength(ByteBuffer src,
int sp,
CharBuffer dst,
int dp,
int malformedNB)
{
updatePositions(src, sp, dst, dp);
return CoderResult.malformedForLength(malformedNB);
}
private static CoderResult malformedForLength(ByteBuffer src,
int mark,
int malformedNB)
{
src.position(mark);
return CoderResult.malformedForLength(malformedNB);
}
private static CoderResult xflow(Buffer src, int sp, int sl,
Buffer dst, int dp, int nb) {
updatePositions(src, sp, dst, dp);
return (nb == 0 || sl - sp < nb)
?CoderResult.UNDERFLOW:CoderResult.OVERFLOW;
? CoderResult.UNDERFLOW : CoderResult.OVERFLOW;
}
private static CoderResult xflow(Buffer src, int mark, int nb) {
CoderResult cr = (nb == 0 || src.remaining() < (nb - 1))
?CoderResult.UNDERFLOW:CoderResult.OVERFLOW;
src.position(mark);
return cr;
return (nb == 0 || src.remaining() < nb)
? CoderResult.UNDERFLOW : CoderResult.OVERFLOW;
}
private CoderResult decodeArrayLoop(ByteBuffer src,
......@@ -210,7 +226,6 @@ class UTF_8 extends Unicode
// ASCII only loop
while (dp < dlASCII && sa[sp] >= 0)
da[dp++] = (char) sa[sp++];
while (sp < sl) {
int b1 = sa[sp];
if (b1 >= 0) {
......@@ -219,13 +234,20 @@ class UTF_8 extends Unicode
return xflow(src, sp, sl, dst, dp, 1);
da[dp++] = (char) b1;
sp++;
} else if ((b1 >> 5) == -2) {
} else if ((b1 >> 5) == -2 && (b1 & 0x1e) != 0) {
// 2 bytes, 11 bits: 110xxxxx 10xxxxxx
// [C2..DF] [80..BF]
if (sl - sp < 2 || dp >= dl)
return xflow(src, sp, sl, dst, dp, 2);
int b2 = sa[sp + 1];
if (isMalformed2(b1, b2))
return malformed(src, sp, dst, dp, 2);
// Now we check the first byte of 2-byte sequence as
// if ((b1 >> 5) == -2 && (b1 & 0x1e) != 0)
// no longer need to check b1 against c1 & c0 for
// malformed as we did in previous version
// (b1 & 0x1e) == 0x0 || (b2 & 0xc0) != 0x80;
// only need to check the second byte b2.
if (isNotContinuation(b2))
return malformedForLength(src, sp, dst, dp, 1);
da[dp++] = (char) (((b1 << 6) ^ b2)
^
(((byte) 0xC0 << 6) ^
......@@ -233,24 +255,37 @@ class UTF_8 extends Unicode
sp += 2;
} else if ((b1 >> 4) == -2) {
// 3 bytes, 16 bits: 1110xxxx 10xxxxxx 10xxxxxx
if (sl - sp < 3 || dp >= dl)
int srcRemaining = sl - sp;
if (srcRemaining < 3 || dp >= dl) {
if (srcRemaining > 1 && isMalformed3_2(b1, sa[sp + 1]))
return malformedForLength(src, sp, dst, dp, 1);
return xflow(src, sp, sl, dst, dp, 3);
}
int b2 = sa[sp + 1];
int b3 = sa[sp + 2];
if (isMalformed3(b1, b2, b3))
return malformed(src, sp, dst, dp, 3);
da[dp++] = (char)
char c = (char)
((b1 << 12) ^
(b2 << 6) ^
(b3 ^
(((byte) 0xE0 << 12) ^
((byte) 0x80 << 6) ^
((byte) 0x80 << 0))));
if (Character.isSurrogate(c))
return malformedForLength(src, sp, dst, dp, 3);
da[dp++] = c;
sp += 3;
} else if ((b1 >> 3) == -2) {
// 4 bytes, 21 bits: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
if (sl - sp < 4 || dl - dp < 2)
int srcRemaining = sl - sp;
if (srcRemaining < 4 || dl - dp < 2) {
if (srcRemaining > 1 && isMalformed4_2(b1, sa[sp + 1]))
return malformedForLength(src, sp, dst, dp, 1);
if (srcRemaining > 2 && isMalformed4_3(sa[sp + 2]))
return malformedForLength(src, sp, dst, dp, 2);
return xflow(src, sp, sl, dst, dp, 4);
}
int b2 = sa[sp + 1];
int b3 = sa[sp + 2];
int b4 = sa[sp + 3];
......@@ -289,38 +324,51 @@ class UTF_8 extends Unicode
return xflow(src, mark, 1); // overflow
dst.put((char) b1);
mark++;
} else if ((b1 >> 5) == -2) {
} else if ((b1 >> 5) == -2 && (b1 & 0x1e) != 0) {
// 2 bytes, 11 bits: 110xxxxx 10xxxxxx
if (limit - mark < 2|| dst.remaining() < 1)
return xflow(src, mark, 2);
int b2 = src.get();
if (isMalformed2(b1, b2))
return malformed(src, mark, 2);
dst.put((char) (((b1 << 6) ^ b2)
if (isNotContinuation(b2))
return malformedForLength(src, mark, 1);
dst.put((char) (((b1 << 6) ^ b2)
^
(((byte) 0xC0 << 6) ^
((byte) 0x80 << 0))));
mark += 2;
} else if ((b1 >> 4) == -2) {
// 3 bytes, 16 bits: 1110xxxx 10xxxxxx 10xxxxxx
if (limit - mark < 3 || dst.remaining() < 1)
int srcRemaining = limit - mark;
if (srcRemaining < 3 || dst.remaining() < 1) {
if (srcRemaining > 1 && isMalformed3_2(b1, src.get()))
return malformedForLength(src, mark, 1);
return xflow(src, mark, 3);
}
int b2 = src.get();
int b3 = src.get();
if (isMalformed3(b1, b2, b3))
return malformed(src, mark, 3);
dst.put((char)
((b1 << 12) ^
(b2 << 6) ^
(b3 ^
(((byte) 0xE0 << 12) ^
((byte) 0x80 << 6) ^
((byte) 0x80 << 0)))));
char c = (char)
((b1 << 12) ^
(b2 << 6) ^
(b3 ^
(((byte) 0xE0 << 12) ^
((byte) 0x80 << 6) ^
((byte) 0x80 << 0))));
if (Character.isSurrogate(c))
return malformedForLength(src, mark, 3);
dst.put(c);
mark += 3;
} else if ((b1 >> 3) == -2) {
// 4 bytes, 21 bits: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
if (limit - mark < 4 || dst.remaining() < 2)
int srcRemaining = limit - mark;
if (srcRemaining < 4 || dst.remaining() < 2) {
if (srcRemaining > 1 && isMalformed4_2(b1, src.get()))
return malformedForLength(src, mark, 1);
if (srcRemaining > 2 && isMalformed4_3(src.get()))
return malformedForLength(src, mark, 2);
return xflow(src, mark, 4);
}
int b2 = src.get();
int b3 = src.get();
int b4 = src.get();
......@@ -364,7 +412,7 @@ class UTF_8 extends Unicode
return bb;
}
// returns -1 if there is malformed byte(s) and the
// returns -1 if there is/are malformed byte(s) and the
// "action" for malformed input is not REPLACE.
public int decode(byte[] sa, int sp, int len, char[] da) {
final int sl = sp + len;
......@@ -381,11 +429,11 @@ class UTF_8 extends Unicode
if (b1 >= 0) {
// 1 byte, 7 bits: 0xxxxxxx
da[dp++] = (char) b1;
} else if ((b1 >> 5) == -2) {
} else if ((b1 >> 5) == -2 && (b1 & 0x1e) != 0) {
// 2 bytes, 11 bits: 110xxxxx 10xxxxxx
if (sp < sl) {
int b2 = sa[sp++];
if (isMalformed2(b1, b2)) {
if (isNotContinuation(b2)) {
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
da[dp++] = replacement().charAt(0);
......@@ -410,21 +458,33 @@ class UTF_8 extends Unicode
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
da[dp++] = replacement().charAt(0);
sp -=3;
sp -= 3;
bb = getByteBuffer(bb, sa, sp);
sp += malformedN(bb, 3).length();
} else {
da[dp++] = (char)((b1 << 12) ^
char c = (char)((b1 << 12) ^
(b2 << 6) ^
(b3 ^
(((byte) 0xE0 << 12) ^
((byte) 0x80 << 6) ^
((byte) 0x80 << 0))));
if (Character.isSurrogate(c)) {
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
da[dp++] = replacement().charAt(0);
} else {
da[dp++] = c;
}
}
continue;
}
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
if (sp < sl && isMalformed3_2(b1, sa[sp])) {
da[dp++] = replacement().charAt(0);
continue;
}
da[dp++] = replacement().charAt(0);
return dp;
} else if ((b1 >> 3) == -2) {
......@@ -458,28 +518,29 @@ class UTF_8 extends Unicode
}
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
if (sp < sl && isMalformed4_2(b1, sa[sp])) {
da[dp++] = replacement().charAt(0);
continue;
}
sp++;
if (sp < sl && isMalformed4_3(sa[sp])) {
da[dp++] = replacement().charAt(0);
continue;
}
da[dp++] = replacement().charAt(0);
return dp;
} else {
if (malformedInputAction() != CodingErrorAction.REPLACE)
return -1;
da[dp++] = replacement().charAt(0);
sp--;
bb = getByteBuffer(bb, sa, sp);
CoderResult cr = malformedN(bb, 1);
if (!cr.isError()) {
// leading byte for 5 or 6-byte, but don't have enough
// bytes in buffer to check. Consumed rest as malformed.
return dp;
}
sp += cr.length();
}
}
return dp;
}
}
private static class Encoder extends CharsetEncoder
private static final class Encoder extends CharsetEncoder
implements ArrayEncoder {
private Encoder(Charset cs) {
......
src/share/classes/sun/nio/cs/standard-charsets
浏览文件 @ 494cf7b7
......@@ -63,6 +63,10 @@ charset UTF-8 UTF_8
alias UTF8 # JDK historical
alias unicode-1-1-utf-8
charset CESU-8 CESU_8
alias CESU8
alias csCESU-8
charset UTF-16 UTF_16
alias UTF_16 # JDK historical
alias utf16
......
test/java/nio/charset/coders/Errors.java
浏览文件 @ 494cf7b7
......@@ -23,7 +23,7 @@
/* @test
* @summary Check that error cases are replaced correctly in String/ISR/OSW
* @bug 4457851
* @bug 4457851 7096080
*
* @build Errors Util
* @run main Errors
......@@ -193,11 +193,9 @@ public class Errors {
t.test("\uFFFF", new byte[] { (byte)0xEF, (byte)0xBF, (byte)0xBF });
t.test(new byte[] { X, (byte)0x7f, Y }, "x\u007Fy");
t.test(new byte[] { X, (byte)0x80, Y }, "x\uFFFDy");
t.test(new byte[] { (byte)0xf0, (byte)0xf0 }, "\uFFFD");
}
public static void main(String[] args) throws Exception {
test_US_ASCII(new TestString("US-ASCII"));
test_US_ASCII(new TestStream("US-ASCII"));
......
test/sun/nio/cs/TestStringCoding.java
浏览文件 @ 494cf7b7
......@@ -24,7 +24,7 @@
*/
/* @test
@bug 6636323 6636319 7040220
@bug 6636323 6636319 7040220 7096080
@summary Test if StringCoding and NIO result have the same de/encoding result
* @run main/othervm/timeout=2000 TestStringCoding
*/
......@@ -111,7 +111,8 @@ public class TestStringCoding {
//encode unmappable surrogates
if (enc instanceof sun.nio.cs.ArrayEncoder &&
cs.contains(Charset.forName("ASCII"))) {
if (cs.name().equals("UTF-8")) // utf8 handles surrogates
if (cs.name().equals("UTF-8") || // utf8 handles surrogates
cs.name().equals("CESU-8")) // utf8 handles surrogates
return;
enc.replaceWith(new byte[] { (byte)'A'});
sun.nio.cs.ArrayEncoder cae = (sun.nio.cs.ArrayEncoder)enc;
......@@ -136,7 +137,6 @@ public class TestStringCoding {
cs.name())))
throw new RuntimeException("encode3(surrogates) failed -> "
+ cs.name());
ba = new byte[str.length() - 1];
n = cae.encode(str.toCharArray(), 0, str.length(), ba);
if (n != 7 || !"abABABc".equals(new String(ba, 0, n,
......
test/sun/nio/cs/TestStringCodingUTF8.java
浏览文件 @ 494cf7b7
......@@ -33,14 +33,16 @@ import java.nio.charset.*;
public class TestStringCodingUTF8 {
public static void main(String[] args) throws Throwable {
test();
test("UTF-8");
test("CESU-8");
// security manager on
System.setSecurityManager(new PermissiveSecurityManger());
test();
test("UTF-8");
test("CESU-8");
}
static void test() throws Throwable {
Charset cs = Charset.forName("UTF-8");
static void test(String csn) throws Throwable {
Charset cs = Charset.forName(csn);
char[] bmp = new char[0x10000];
for (int i = 0; i < 0x10000; i++) {
bmp[i] = (char)i;
......
test/sun/nio/cs/TestUTF8.java
浏览文件 @ 494cf7b7
......@@ -23,7 +23,7 @@
/*
* @test
* @bug 4486841 7040220
* @bug 4486841 7040220 7096080
* @summary Test UTF-8 charset
*/
......@@ -156,15 +156,22 @@ public class TestUTF8 {
return 3;
}
static int to4ByteUTF8(int uc, byte[] bb, int pos) {
bb[pos++] = (byte)(0xf0 | ((uc >> 18)));
bb[pos++] = (byte)(0x80 | ((uc >> 12) & 0x3f));
bb[pos++] = (byte)(0x80 | ((uc >> 6) & 0x3f));
bb[pos++] = (byte)(0x80 | (uc & 0x3f));
return 4;
}
static void checkRoundtrip(String csn) throws Exception {
System.out.printf(" Check roundtrip <%s>...", csn);
char[] cc = getUTFChars();
byte[] bb = encode(cc, csn, false);
char[] ccO = decode(bb, csn, false);
if (!Arrays.equals(cc, ccO)) {
if (!Arrays.equals(cc, ccO))
System.out.printf(" non-direct failed");
}
bb = encode(cc, csn, true);
ccO = decode(bb, csn, true);
if (!Arrays.equals(cc, ccO)) {
......@@ -180,19 +187,24 @@ public class TestUTF8 {
System.out.println();
}
static void check6ByteSurrs(String csn) throws Exception {
System.out.printf(" Check 6-byte Surrogates <%s>...%n", csn);
byte[] bb = new byte[(0x110000 - 0x10000) * 6];
static void check4ByteSurrs(String csn) throws Exception {
System.out.printf(" Check 4-byte Surrogates <%s>...%n", csn);
byte[] bb = new byte[(0x110000 - 0x10000) * 4];
char[] cc = new char[(0x110000 - 0x10000) * 2];
int bpos = 0;
int cpos = 0;
for (int i = 0x10000; i < 0x110000; i++) {
Character.toChars(i, cc, cpos);
bpos += to3ByteUTF8(cc[cpos], bb, bpos);
bpos += to3ByteUTF8(cc[cpos + 1], bb, bpos);
bpos += to4ByteUTF8(i, bb, bpos);
cpos += 2;
}
checkSurrs(csn, bb, cc);
}
static void checkSurrs(String csn, byte[] bb, char[] cc)
throws Exception
{
char[] ccO = decode(bb, csn, false);
if (!Arrays.equals(cc, ccO)) {
System.out.printf(" decoding failed%n");
......@@ -201,14 +213,30 @@ public class TestUTF8 {
if (!Arrays.equals(cc, ccO)) {
System.out.printf(" decoding(direct) failed%n");
}
// new String(bb, csn).getBytes(csn) will not return
// the 6 bytes surrogates as in bb, so only test
// toCharArray() here.
if (!Arrays.equals(cc, new String(bb, csn).toCharArray())) {
System.out.printf(" String.toCharArray() failed");
}
if (!Arrays.equals(bb, new String(cc).getBytes(csn))) {
System.out.printf(" String.getBytes() failed");
}
}
static void check6ByteSurrs(String csn) throws Exception {
System.out.printf(" Check 6-byte Surrogates <%s>...%n", csn);
byte[] bb = new byte[(0x110000 - 0x10000) * 6];
char[] cc = new char[(0x110000 - 0x10000) * 2];
int bpos = 0;
int cpos = 0;
for (int i = 0x10000; i < 0x110000; i++) {
Character.toChars(i, cc, cpos);
bpos += to3ByteUTF8(cc[cpos], bb, bpos);
bpos += to3ByteUTF8(cc[cpos + 1], bb, bpos);
cpos += 2;
}
checkSurrs(csn, bb, cc);
}
static void compare(String csn1, String csn2) throws Exception {
System.out.printf(" Diff <%s> <%s>...%n", csn1, csn2);
char[] cc = getUTFChars();
......@@ -266,6 +294,10 @@ public class TestUTF8 {
{1, (byte)0xFF, (byte)0xFF, (byte)0xFF }, // all ones
{1, (byte)0xE0, (byte)0xC0, (byte)0x80 }, // invalid second byte
{1, (byte)0xE0, (byte)0x80, (byte)0xC0 }, // invalid first byte
{1, (byte)0xE0, (byte)0x41,}, // invalid second byte & 2 bytes
{3, (byte)0xED, (byte)0xAE, (byte)0x80 }, // 3 bytes surrogate
{3, (byte)0xED, (byte)0xB0, (byte)0x80 }, // 3 bytes surrogate
// Four-byte sequences
{1, (byte)0xF0, (byte)0x80, (byte)0x80, (byte)0x80 }, // U+0000 zero-padded
......@@ -276,8 +308,13 @@ public class TestUTF8 {
{1, (byte)0xFF, (byte)0xFF, (byte)0xFF, (byte)0xFF }, // all ones
{1, (byte)0xF0, (byte)0x80, (byte)0x80, (byte)0x80}, // invalid second byte
{1, (byte)0xF0, (byte)0xC0, (byte)0x80, (byte)0x80 }, // invalid second byte
{1, (byte)0xF0, (byte)41 }, // invalid second byte
// & only 2 bytes
{2, (byte)0xF0, (byte)0x90, (byte)0xC0, (byte)0x80 }, // invalid third byte
{3, (byte)0xF0, (byte)0x90, (byte)0x80, (byte)0xC0 }, // invalid third byte
{3, (byte)0xF0, (byte)0x90, (byte)0x80, (byte)0xC0 }, // invalid forth byte
{2, (byte)0xF0, (byte)0x90, (byte)0x41 }, // invalid third byte
// & 3 bytes input
{1, (byte)0xF1, (byte)0xC0, (byte)0x80, (byte)0x80 }, // invalid second byte
{2, (byte)0xF1, (byte)0x80, (byte)0xC0, (byte)0x80 }, // invalid third byte
......@@ -287,30 +324,113 @@ public class TestUTF8 {
{1, (byte)0xF5, (byte)0x80, (byte)0x80, (byte)0xC0 }, // out-range 4-byte
// Five-byte sequences
{5, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80}, // invalid first byte
{5, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80 }, // U+0000 zero-padded
{5, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x81, (byte)0xBF }, // U+007F zero-padded
{5, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xBF }, // U+07FF zero-padded
{5, (byte)0xF8, (byte)0x80, (byte)0x8F, (byte)0xBF, (byte)0xBF }, // U+FFFF zero-padded
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80}, // invalid first byte
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80 }, // U+0000 zero-padded
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x81, (byte)0xBF }, // U+007F zero-padded
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xBF }, // U+07FF zero-padded
{1, (byte)0xF8, (byte)0x80, (byte)0x8F, (byte)0xBF, (byte)0xBF }, // U+FFFF zero-padded
{1, (byte)0xF8, (byte)0xC0, (byte)0x80, (byte)0x80, (byte)0x80},
{2, (byte)0xF8, (byte)0x80, (byte)0xC0, (byte)0x80, (byte)0x80 },
{3, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0xC1, (byte)0xBF },
{4, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xC0 },
{1, (byte)0xF8, (byte)0x80, (byte)0xC0, (byte)0x80, (byte)0x80 },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0xC1, (byte)0xBF },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xC0 },
// Six-byte sequences
{6, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80 }, // U+0000 zero-padded
{6, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x81, (byte)0xBF }, // U+007F zero-padded
{6, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xBF }, // U+07FF zero-padded
{6, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x8F, (byte)0xBF, (byte)0xBF }, // U+FFFF zero-padded
{1, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80 }, // U+0000 zero-padded
{1, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x81, (byte)0xBF }, // U+007F zero-padded
{1, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xBF }, // U+07FF zero-padded
{1, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x8F, (byte)0xBF, (byte)0xBF }, // U+FFFF zero-padded
{1, (byte)0xF8, (byte)0xC0, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80 },
{2, (byte)0xF8, (byte)0x80, (byte)0xC0, (byte)0x80, (byte)0x80, (byte)0x80 },
{3, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0xC1, (byte)0xBF, (byte)0x80 },
{4, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xC0, (byte)0x80 },
{5, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0x80, (byte)0xC0 },
{1, (byte)0xF8, (byte)0x80, (byte)0xC0, (byte)0x80, (byte)0x80, (byte)0x80 },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0xC1, (byte)0xBF, (byte)0x80 },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xC0, (byte)0x80 },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0x80, (byte)0xC0 },
};
static void checkMalformed(String csn) throws Exception {
// The first byte is the length of malformed bytes
static byte[][] malformed_cesu8 = {
// One-byte sequences:
{1, (byte)0xFF },
{1, (byte)0xC0 },
{1, (byte)0x80 },
{1, (byte)0xFF, (byte)0xFF}, // all ones
{1, (byte)0xA0, (byte)0x80}, // 101x first byte first nibble
// Two-byte sequences:
{1, (byte)0xC0, (byte)0x80}, // invalid first byte
{1, (byte)0xC1, (byte)0xBF}, // invalid first byte
{1, (byte)0xC2, (byte)0x00}, // invalid second byte
{1, (byte)0xC2, (byte)0xC0}, // invalid second byte
{1, (byte)0xD0, (byte)0x00}, // invalid second byte
{1, (byte)0xD0, (byte)0xC0}, // invalid second byte
{1, (byte)0xDF, (byte)0x00}, // invalid second byte
{1, (byte)0xDF, (byte)0xC0}, // invalid second byte
// Three-byte sequences
{1, (byte)0xE0, (byte)0x80, (byte)0x80}, // 111x first byte first nibble
{1, (byte)0xE0, (byte)0x80, (byte)0x80 }, // U+0000 zero-padded
{1, (byte)0xE0, (byte)0x81, (byte)0xBF }, // U+007F zero-padded
{1, (byte)0xE0, (byte)0x9F, (byte)0xBF }, // U+07FF zero-padded
{1, (byte)0xE0, (byte)0xC0, (byte)0xBF }, // invalid second byte
{2, (byte)0xE0, (byte)0xA0, (byte)0x7F }, // invalid third byte
{2, (byte)0xE0, (byte)0xA0, (byte)0xC0 }, // invalid third byte
{1, (byte)0xFF, (byte)0xFF, (byte)0xFF }, // all ones
{1, (byte)0xE0, (byte)0xC0, (byte)0x80 }, // invalid second byte
{1, (byte)0xE0, (byte)0x80, (byte)0xC0 }, // invalid first byte
{1, (byte)0xE0, (byte)0x41,}, // invalid second byte & 2 bytes
// CESU-8 does not have 4, 5, 6 bytes sequenc
// Four-byte sequences
{1, (byte)0xF0, (byte)0x80, (byte)0x80, (byte)0x80 }, // U+0000 zero-padded
{1, (byte)0xF0, (byte)0x80, (byte)0x81, (byte)0xBF }, // U+007F zero-padded
{1, (byte)0xF0, (byte)0x80, (byte)0x9F, (byte)0xBF }, // U+007F zero-padded
{1, (byte)0xF0, (byte)0x8F, (byte)0xBF, (byte)0xBF }, // U+07FF zero-padded
{1, (byte)0xFF, (byte)0xFF, (byte)0xFF, (byte)0xFF }, // all ones
{1, (byte)0xF0, (byte)0x80, (byte)0x80, (byte)0x80}, // invalid second byte
{1, (byte)0xF0, (byte)0xC0, (byte)0x80, (byte)0x80 }, // invalid second byte
{1, (byte)0xF0, (byte)41 }, // invalid second byte
// & only 2 bytes
{1, (byte)0xF0, (byte)0x90, (byte)0xC0, (byte)0x80 }, // invalid third byte
{1, (byte)0xF0, (byte)0x90, (byte)0x80, (byte)0xC0 }, // invalid forth byte
{1, (byte)0xF0, (byte)0x90, (byte)0x41 }, // invalid third byte
// & 3 bytes input
{1, (byte)0xF1, (byte)0xC0, (byte)0x80, (byte)0x80 }, // invalid second byte
{1, (byte)0xF1, (byte)0x80, (byte)0xC0, (byte)0x80 }, // invalid third byte
{1, (byte)0xF1, (byte)0x80, (byte)0x80, (byte)0xC0 }, // invalid forth byte
{1, (byte)0xF4, (byte)0x90, (byte)0x80, (byte)0xC0 }, // out-range 4-byte
{1, (byte)0xF4, (byte)0xC0, (byte)0x80, (byte)0xC0 }, // out-range 4-byte
{1, (byte)0xF5, (byte)0x80, (byte)0x80, (byte)0xC0 }, // out-range 4-byte
// Five-byte sequences
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80}, // invalid first byte
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80 }, // U+0000 zero-padded
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x81, (byte)0xBF }, // U+007F zero-padded
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xBF }, // U+07FF zero-padded
{1, (byte)0xF8, (byte)0x80, (byte)0x8F, (byte)0xBF, (byte)0xBF }, // U+FFFF zero-padded
{1, (byte)0xF8, (byte)0xC0, (byte)0x80, (byte)0x80, (byte)0x80},
{1, (byte)0xF8, (byte)0x80, (byte)0xC0, (byte)0x80, (byte)0x80 },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0xC1, (byte)0xBF },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xC0 },
// Six-byte sequences
{1, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80 }, // U+0000 zero-padded
{1, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x81, (byte)0xBF }, // U+007F zero-padded
{1, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xBF }, // U+07FF zero-padded
{1, (byte)0xFC, (byte)0x80, (byte)0x80, (byte)0x8F, (byte)0xBF, (byte)0xBF }, // U+FFFF zero-padded
{1, (byte)0xF8, (byte)0xC0, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80 },
{1, (byte)0xF8, (byte)0x80, (byte)0xC0, (byte)0x80, (byte)0x80, (byte)0x80 },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0xC1, (byte)0xBF, (byte)0x80 },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0xC0, (byte)0x80 },
{1, (byte)0xF8, (byte)0x80, (byte)0x80, (byte)0x9F, (byte)0x80, (byte)0xC0 },
};
static void checkMalformed(String csn, byte[][] malformed) throws Exception {
boolean failed = false;
System.out.printf(" Check malformed <%s>...%n", csn);
Charset cs = Charset.forName(csn);
......@@ -430,9 +550,12 @@ public class TestUTF8 {
public static void main(String[] args) throws Exception {
checkRoundtrip("UTF-8");
check6ByteSurrs("UTF-8");
//compare("UTF-8", "UTF-8-OLD");
checkMalformed("UTF-8");
check4ByteSurrs("UTF-8");
checkMalformed("UTF-8", malformed);
checkUnderOverflow("UTF-8");
checkRoundtrip("CESU-8");
check6ByteSurrs("CESU-8");
checkMalformed("CESU-8", malformed_cesu8);
}
}
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