static byte[] encode(char[] cc, Charset cs, boolean testDirect, Time t) throws Exception {
ByteBuffer bbf;
CharBuffer cbf;
CharsetEncoder enc = cs.newEncoder();
String csn = cs.name();
if (testDirect) {
bbf = ByteBuffer.allocateDirect(cc.length * 4);
cbf = ByteBuffer.allocateDirect(cc.length * 2).asCharBuffer();
cbf.put(cc).flip();
} else {
bbf = ByteBuffer.allocate(cc.length * 4);
cbf = CharBuffer.wrap(cc);
}
CoderResult cr = null;
long t1 = System.nanoTime() / 1000;
for (int i = 0; i < iteration; i++) {
cbf.rewind();
bbf.clear();
enc.reset();
cr = enc.encode(cbf, bbf, true);
}
long t2 = System.nanoTime() / 1000;
t.t = (t2 - t1) / iteration;
if (cr != CoderResult.UNDERFLOW) {
System.out.println("ENC-----------------");
int pos = cbf.position();
System.out.printf(" cr=%s, cbf.pos=%d, cc[pos]=%x%n", cr.toString(), pos, cc[pos] & 0xffff);
throw new RuntimeException("Encoding err: " + csn);
}
byte[] bb = new byte[bbf.position()];
bbf.flip();
bbf.get(bb);
return bb;
}
static void testMixed(Charset cs) throws Throwable {
CharsetDecoder dec =
cs.newDecoder()
.onMalformedInput(CodingErrorAction.REPLACE)
.onUnmappableCharacter(CodingErrorAction.REPLACE);
CharsetEncoder enc =
cs.newEncoder()
.onMalformedInput(CodingErrorAction.REPLACE)
.onUnmappableCharacter(CodingErrorAction.REPLACE);
List<Integer> cps = new ArrayList<>(0x10000);
int off = 0;
int cp = 0;
while (cp < 0x10000) {
if (enc.canEncode((char) cp)) {
cps.add(cp);
}
cp++;
}
Collections.shuffle(cps);
char[] bmpCA = new char[cps.size()];
for (int i = 0; i < cps.size(); i++) bmpCA[i] = (char) (int) cps.get(i);
String bmpStr = new String(bmpCA);
// getBytes(csn);
byte[] bmpBA = bmpStr.getBytes(cs.name());
ByteBuffer bf = enc.reset().encode(CharBuffer.wrap(bmpCA));
byte[] baNIO = new byte[bf.limit()];
bf.get(baNIO, 0, baNIO.length);
if (!Arrays.equals(bmpBA, baNIO)) {
throw new RuntimeException("getBytes(csn) failed -> " + cs.name());
}
// getBytes(cs);
bmpBA = bmpStr.getBytes(cs);
if (!Arrays.equals(bmpBA, baNIO))
throw new RuntimeException("getBytes(cs) failed -> " + cs.name());
// new String(csn);
String strSC = new String(bmpBA, cs.name());
String strNIO = dec.reset().decode(ByteBuffer.wrap(bmpBA)).toString();
if (!strNIO.equals(strSC)) {
throw new RuntimeException("new String(csn) failed -> " + cs.name());
}
// new String(cs);
strSC = new String(bmpBA, cs);
if (!strNIO.equals(strSC)) throw new RuntimeException("new String(cs) failed -> " + cs.name());
}
static CoderResult encodeCR(char[] cc, Charset cs, boolean testDirect) throws Exception {
ByteBuffer bbf;
CharBuffer cbf;
CharsetEncoder enc = cs.newEncoder();
if (testDirect) {
bbf = ByteBuffer.allocateDirect(cc.length * 4);
cbf = ByteBuffer.allocateDirect(cc.length * 2).asCharBuffer();
cbf.put(cc).flip();
} else {
bbf = ByteBuffer.allocate(cc.length * 4);
cbf = CharBuffer.wrap(cc);
}
CoderResult cr = null;
for (int i = 0; i < iteration; i++) {
cbf.rewind();
bbf.clear();
enc.reset();
cr = enc.encode(cbf, bbf, true);
}
return cr;
}
static void test(Charset cs, char[] bmpCA, byte[] sbBA) throws Throwable {
String bmpStr = new String(bmpCA);
CharsetDecoder dec =
cs.newDecoder()
.onMalformedInput(CodingErrorAction.REPLACE)
.onUnmappableCharacter(CodingErrorAction.REPLACE);
CharsetEncoder enc =
cs.newEncoder()
.onMalformedInput(CodingErrorAction.REPLACE)
.onUnmappableCharacter(CodingErrorAction.REPLACE);
// getBytes(csn);
byte[] baSC = bmpStr.getBytes(cs.name());
ByteBuffer bf = enc.reset().encode(CharBuffer.wrap(bmpCA));
byte[] baNIO = new byte[bf.limit()];
bf.get(baNIO, 0, baNIO.length);
if (!Arrays.equals(baSC, baNIO))
throw new RuntimeException("getBytes(csn) failed -> " + cs.name());
// getBytes(cs);
baSC = bmpStr.getBytes(cs);
if (!Arrays.equals(baSC, baNIO))
throw new RuntimeException("getBytes(cs) failed -> " + cs.name());
// new String(csn);
String strSC = new String(sbBA, cs.name());
String strNIO = dec.reset().decode(ByteBuffer.wrap(sbBA)).toString();
if (!strNIO.equals(strSC))
throw new RuntimeException("new String(csn) failed -> " + cs.name());
// new String(cs);
strSC = new String(sbBA, cs);
if (!strNIO.equals(strSC)) throw new RuntimeException("new String(cs) failed -> " + cs.name());
// encode unmappable surrogates
if (enc instanceof sun.nio.cs.ArrayEncoder && cs.contains(Charset.forName("ASCII"))) {
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;
String str = "ab\uD800\uDC00\uD800\uDC00cd";
byte[] ba = new byte[str.length() - 2];
int n = cae.encode(str.toCharArray(), 0, str.length(), ba);
if (n != 6 || !"abAAcd".equals(new String(ba, cs.name())))
throw new RuntimeException("encode1(surrogates) failed -> " + cs.name());
ba = new byte[str.length()];
n = cae.encode(str.toCharArray(), 0, str.length(), ba);
if (n != 6 || !"abAAcd".equals(new String(ba, 0, n, cs.name())))
throw new RuntimeException("encode2(surrogates) failed -> " + cs.name());
str = "ab\uD800B\uDC00Bcd";
ba = new byte[str.length()];
n = cae.encode(str.toCharArray(), 0, str.length(), ba);
if (n != 8 || !"abABABcd".equals(new String(ba, 0, n, cs.name())))
throw new RuntimeException("encode3(surrogates) failed -> " + cs.name());
/* sun.nio.cs.ArrayDeEncoder works on the assumption that the
invoker (StringCoder) allocates enough output buf, utf8
and double-byte coder does not check the output buffer limit.
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, cs.name()))) {
throw new RuntimeException("encode4(surrogates) failed -> "
+ cs.name());
}
*/
}
}