test/jdk/sun/nio/cs/TestStringCoding.java

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   1 /*
   2  * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25  * @bug 6636323 6636319 7040220 7096080 7183053 8080248 8054307
  26  * @summary Test if StringCoding and NIO result have the same de/encoding result
  27  * @modules java.base/sun.nio.cs
  28  * @run main/othervm/timeout=2000 TestStringCoding
  29  * @key randomness
  30  */
  31 
  32 import java.util.*;
  33 import java.nio.*;
  34 import java.nio.charset.*;
  35 
  36 public class TestStringCoding {



  37     public static void main(String[] args) throws Throwable {
  38 
  39         // full bmp first
  40         char[] bmp = new char[0x10000];
  41         for (int i = 0; i < 0x10000; i++) {
  42             bmp[i] = (char)i;
  43         }
  44         char[] latin = Arrays.copyOf(bmp, 0x100);
  45         char[] ascii =  Arrays.copyOf(bmp, 0x80);
  46 
  47         byte[] latinBA = new byte[0x100];
  48         for (int i = 0; i < 0x100; i++) {
  49             latinBA[i] = (byte)i;
  50         }
  51         byte[] asciiBA =  Arrays.copyOf(latinBA, 0x80);
  52 
  53         for (Boolean hasSM: new boolean[] { false, true }) {
  54             if (hasSM) {
  55                 System.setSecurityManager(new PermissiveSecurityManger());
  56             }
  57             for (Charset cs:  Charset.availableCharsets().values()) {




  58                 if ("ISO-2022-CN".equals(cs.name()) ||
  59                     "x-COMPOUND_TEXT".equals(cs.name()) ||
  60                     "x-JISAutoDetect".equals(cs.name()))
  61                     continue;

  62                 System.out.printf("Testing(sm=%b) " + cs.name() + "....", hasSM);
  63 
  64                 testNewString(cs, testGetBytes(cs, new String(bmp)));
  65                 testNewString(cs, testGetBytes(cs, new String(latin)));
  66                 testNewString(cs, testGetBytes(cs, new String(ascii)));
  67                 testGetBytes(cs, testNewString(cs, latinBA));
  68                 testGetBytes(cs, testNewString(cs, asciiBA));
  69 
  70                 // "randomed" sizes
  71                 Random rnd = new Random();
  72                 for (int i = 0; i < 10; i++) {
  73                     //System.out.printf("    blen=%d, clen=%d%n", blen, clen);
  74                     char[] bmp0 = Arrays.copyOf(bmp, rnd.nextInt(0x10000));
  75                     testNewString(cs, testGetBytes(cs, new String(bmp0)));
  76                     //add a pair of surrogates
  77                     int pos = bmp0.length / 2;
  78                     if ((pos + 1) < bmp0.length) {
  79                         bmp0[pos] = '\uD800';
  80                         bmp0[pos+1] = '\uDC00';
  81                     }


 101         CharsetDecoder dec = cs.newDecoder()
 102             .onMalformedInput(CodingErrorAction.REPLACE)
 103             .onUnmappableCharacter(CodingErrorAction.REPLACE);
 104         CharsetEncoder enc = cs.newEncoder()
 105             .onMalformedInput(CodingErrorAction.REPLACE)
 106             .onUnmappableCharacter(CodingErrorAction.REPLACE);
 107         List<Integer> cps = new ArrayList<>(0x10000);
 108         int off = 0;
 109         int cp = 0;
 110         while (cp < 0x10000) {
 111             if (enc.canEncode((char)cp)) {
 112                cps.add(cp);
 113             }
 114             cp++;
 115         }
 116         Collections.shuffle(cps);
 117         char[] bmpCA = new char[cps.size()];
 118         for (int i = 0; i < cps.size(); i++)
 119             bmpCA[i] = (char)(int)cps.get(i);
 120         String bmpStr = new String(bmpCA);
 121         //getBytes(csn);
 122         byte[] bmpBA = bmpStr.getBytes(cs.name());
 123         ByteBuffer bf = enc.reset().encode(CharBuffer.wrap(bmpCA));
 124         byte[] baNIO = new byte[bf.limit()];
 125         bf.get(baNIO, 0, baNIO.length);
 126         if (!Arrays.equals(bmpBA, baNIO)) {
 127             throw new RuntimeException("getBytes(csn) failed  -> " + cs.name());
 128         }
 129 
 130         //getBytes(cs);
 131         bmpBA = bmpStr.getBytes(cs);
 132         if (!Arrays.equals(bmpBA, baNIO)) {
 133             throw new RuntimeException("getBytes(cs) failed  -> " + cs.name());
 134         }
 135 
 136         //new String(csn);
 137         String strSC = new String(bmpBA, cs.name());
 138         String strNIO = dec.reset().decode(ByteBuffer.wrap(bmpBA)).toString();
 139         if(!strNIO.equals(strSC)) {
 140             throw new RuntimeException("new String(csn) failed  -> " + cs.name());
 141         }
 142         //new String(cs);
 143         strSC = new String(bmpBA, cs);
 144         if (!strNIO.equals(strSC)) {
 145             throw new RuntimeException("new String(cs) failed  -> " + cs.name());
 146         }
 147     }
 148 
 149     static byte[] getBytes(CharsetEncoder enc, String str) throws Throwable {
 150         ByteBuffer bf = enc.reset().encode(CharBuffer.wrap(str.toCharArray()));
 151         byte[] ba = new byte[bf.limit()];
 152         bf.get(ba, 0, ba.length);
 153         return ba;
 154     }
 155 























 156     static byte[] testGetBytes(Charset cs, String str) throws Throwable {
 157         CharsetEncoder enc = cs.newEncoder()
 158             .onMalformedInput(CodingErrorAction.REPLACE)
 159             .onUnmappableCharacter(CodingErrorAction.REPLACE);


 160         //getBytes(csn);
 161         byte[] baSC = str.getBytes(cs.name());

 162         byte[] baNIO = getBytes(enc, str);
 163         if (!Arrays.equals(baSC, baNIO)) {
 164             throw new RuntimeException("getBytes(csn) failed  -> " + cs.name());
 165         }
 166         //getBytes(cs);
 167         baSC = str.getBytes(cs);
 168         if (!Arrays.equals(baSC, baNIO)) {
 169             throw new RuntimeException("getBytes(cs) failed  -> " + cs.name());
























































 170         }

















 171         return baSC;
 172     }
 173 
 174     static String testNewString(Charset cs, byte[] ba) throws Throwable {
 175         CharsetDecoder dec = cs.newDecoder()
 176             .onMalformedInput(CodingErrorAction.REPLACE)
 177             .onUnmappableCharacter(CodingErrorAction.REPLACE);



 178         //new String(csn);
 179         String strSC = new String(ba, cs.name());
 180         String strNIO = dec.reset().decode(ByteBuffer.wrap(ba)).toString();
 181         if(!strNIO.equals(strSC)) {
 182             throw new RuntimeException("new String(csn) failed  -> " + cs.name());
 183         }
 184         //new String(cs);
 185         strSC = new String(ba, cs);
 186         if (!strNIO.equals(strSC)) {
 187             throw new RuntimeException("new String(cs)/bmp failed  -> " + cs.name());





















 188         }






 189         return strSC;
 190     }
 191 
 192     static void testSurrogates(Charset cs) throws Throwable {
 193         //encode unmappable surrogates
 194         CharsetEncoder enc = cs.newEncoder()
 195             .onMalformedInput(CodingErrorAction.REPLACE)
 196             .onUnmappableCharacter(CodingErrorAction.REPLACE);
 197         if (enc instanceof sun.nio.cs.ArrayEncoder &&
 198             cs.contains(Charset.forName("ASCII"))) {
 199             if (cs.name().equals("UTF-8") ||     // utf8 handles surrogates
 200                 cs.name().equals("CESU-8"))      // utf8 handles surrogates
 201                 return;
 202             enc.replaceWith(new byte[] { (byte)'A'});
 203             sun.nio.cs.ArrayEncoder cae = (sun.nio.cs.ArrayEncoder)enc;
 204 
 205             String str = "ab\uD800\uDC00\uD800\uDC00cd";
 206             byte[] ba = new byte[str.length() - 2];
 207             int n = cae.encode(str.toCharArray(), 0, str.length(), ba);
 208             if (n != 6 || !"abAAcd".equals(new String(ba, cs.name())))


   1 /*
   2  * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25  * @bug 6636323 6636319 7040220 7096080 7183053 8080248 8054307 8021560
  26  * @summary Test if StringCoding and NIO result have the same de/encoding result
  27  * @modules java.base/sun.nio.cs
  28  * @run main/othervm/timeout=2000 TestStringCoding
  29  * @key randomness
  30  */
  31 
  32 import java.util.*;
  33 import java.nio.*;
  34 import java.nio.charset.*;
  35 
  36 public class TestStringCoding {
  37 
  38     private static Random r = new Random();
  39 
  40     public static void main(String[] args) throws Throwable {
  41 
  42         // full bmp first
  43         char[] bmp = new char[0x10000];
  44         for (int i = 0; i < 0x10000; i++) {
  45             bmp[i] = (char)i;
  46         }
  47         char[] latin = Arrays.copyOf(bmp, 0x100);
  48         char[] ascii =  Arrays.copyOf(bmp, 0x80);
  49 
  50         byte[] latinBA = new byte[0x100];
  51         for (int i = 0; i < 0x100; i++) {
  52             latinBA[i] = (byte)i;
  53         }
  54         byte[] asciiBA =  Arrays.copyOf(latinBA, 0x80);
  55 
  56         for (Boolean hasSM: new boolean[] { false, true }) {
  57             if (hasSM) {
  58                 System.setSecurityManager(new PermissiveSecurityManger());
  59             }
  60             for (Charset cs:  Charset.availableCharsets().values()) {
  61 
  62 if (!cs.name().contains("Big5-HKSCS"))
  63     continue;
  64 
  65                 if ("ISO-2022-CN".equals(cs.name()) ||
  66                     "x-COMPOUND_TEXT".equals(cs.name()) ||
  67                     "x-JISAutoDetect".equals(cs.name()))
  68                     continue;
  69 
  70                 System.out.printf("Testing(sm=%b) " + cs.name() + "....", hasSM);
  71 
  72                 testNewString(cs, testGetBytes(cs, new String(bmp)));
  73                 testNewString(cs, testGetBytes(cs, new String(latin)));
  74                 testNewString(cs, testGetBytes(cs, new String(ascii)));
  75                 testGetBytes(cs, testNewString(cs, latinBA));
  76                 testGetBytes(cs, testNewString(cs, asciiBA));
  77 
  78                 // "randomed" sizes
  79                 Random rnd = new Random();
  80                 for (int i = 0; i < 10; i++) {
  81                     //System.out.printf("    blen=%d, clen=%d%n", blen, clen);
  82                     char[] bmp0 = Arrays.copyOf(bmp, rnd.nextInt(0x10000));
  83                     testNewString(cs, testGetBytes(cs, new String(bmp0)));
  84                     //add a pair of surrogates
  85                     int pos = bmp0.length / 2;
  86                     if ((pos + 1) < bmp0.length) {
  87                         bmp0[pos] = '\uD800';
  88                         bmp0[pos+1] = '\uDC00';
  89                     }


 109         CharsetDecoder dec = cs.newDecoder()
 110             .onMalformedInput(CodingErrorAction.REPLACE)
 111             .onUnmappableCharacter(CodingErrorAction.REPLACE);
 112         CharsetEncoder enc = cs.newEncoder()
 113             .onMalformedInput(CodingErrorAction.REPLACE)
 114             .onUnmappableCharacter(CodingErrorAction.REPLACE);
 115         List<Integer> cps = new ArrayList<>(0x10000);
 116         int off = 0;
 117         int cp = 0;
 118         while (cp < 0x10000) {
 119             if (enc.canEncode((char)cp)) {
 120                cps.add(cp);
 121             }
 122             cp++;
 123         }
 124         Collections.shuffle(cps);
 125         char[] bmpCA = new char[cps.size()];
 126         for (int i = 0; i < cps.size(); i++)
 127             bmpCA[i] = (char)(int)cps.get(i);
 128         String bmpStr = new String(bmpCA);
 129         // test getBytes()
 130         byte[] bmpBA = testGetBytes(cs, bmpStr);
 131         // test new String()
 132         testNewString(cs, bmpBA);






















 133     }
 134 
 135     static byte[] getBytes(CharsetEncoder enc, String str) throws Throwable {
 136         ByteBuffer bf = enc.reset().encode(CharBuffer.wrap(str.toCharArray()));
 137         byte[] ba = new byte[bf.limit()];
 138         bf.get(ba, 0, ba.length);
 139         return ba;
 140     }
 141 
 142     static void assertEquals(int len1, int len2, String msg) {
 143         if (len1 != len2)
 144             throw new RuntimeException("FAILED: " + msg);
 145     }
 146 
 147     static void assertEquals(byte[] a, int afrom, int ato,
 148                              byte[] b, int bfrom, int bto,
 149                              String msg) {
 150         if (!Arrays.equals(a, afrom, ato, b, bfrom, bto)) {
 151             throw new RuntimeException("FAILED: " + msg);
 152         }
 153     }
 154 
 155     static void assertEquals(ByteBuffer bb, int pos, byte[] b, int from, int to,
 156                              byte[] buf, String msg) {
 157         bb.flip().position(pos);
 158         int len = bb.remaining();
 159         bb.get(buf, 0, len);
 160         if (!Arrays.equals(buf, 0, len, b, from, to)) {
 161             throw new RuntimeException("FAILED: " + msg);
 162         }
 163     }
 164 
 165     static byte[] testGetBytes(Charset cs, String str) throws Throwable {
 166         CharsetEncoder enc = cs.newEncoder()
 167             .onMalformedInput(CodingErrorAction.REPLACE)
 168             .onUnmappableCharacter(CodingErrorAction.REPLACE)
 169             .reset();
 170 
 171         //getBytes(csn);
 172         String csn = cs.name();
 173         byte[] baSC = str.getBytes(csn);
 174         byte[] baNIO = getBytes(enc, str);
 175         assertEquals(baSC, 0, baSC.length, baNIO, 0, baNIO.length, "getBytes(csn)");
 176 

 177         //getBytes(cs);
 178         baSC = str.getBytes(cs);
 179         assertEquals(baSC, 0, baSC.length, baNIO, 0, baNIO.length, "getBytes(cs)");
 180 
 181         byte[] buf = new byte[baNIO.length + 100];
 182         int shortenLen = Math.max(0, baNIO.length - 10);
 183         int slen = str.length();
 184 
 185         // getBytes(int, int ByteBuffer, cs);
 186         ByteBuffer bb = ByteBuffer.wrap(buf);
 187         int n = str.getBytes(0, slen, bb, cs);
 188         int bn = bb.position();
 189         assertEquals(n, slen, "getBytes(bb cs)");
 190         assertEquals(buf, 0, bn, baNIO, 0, baNIO.length, "getBytes(bb, cs)");
 191 
 192         bb.clear().position(3);
 193         n = str.getBytes(0, slen, bb, cs);
 194         bn = bb.position();
 195         assertEquals(n, slen, "getBytes(bb/3, cs)");
 196         assertEquals(buf, 3, bn, baNIO, 0, baNIO.length, "getBytes(bb/3, cs)");
 197 
 198         bb.clear().limit(shortenLen);
 199         n = str.getBytes(0, slen, bb, cs);
 200         bn = bb.position();
 201         assertEquals(buf, 0, bn, baNIO, 0, bn, "getBytes(bb, cs)/shortenLen");
 202 
 203 System.out.printf ("testGetBytes.loop: str.len=%d, buf.len=%d, baNIO.len=%d%n",
 204                    slen, buf.length, baNIO.length);
 205 
 206         int off = 0;
 207         int m = 0;
 208         bb.clear();
 209         while (off < slen) {
 210             int nn = slen - off;
 211             if (m++ < 10 && nn > 10) {
 212                 nn = r.nextInt(nn);
 213             }
 214             n = str.getBytes(off, off + nn, bb, cs);
 215             off += n;
 216 System.out.printf ("         --->  off=%d, slen=%d, bb.rem=%d, n=%d, nn=%d m=%d%n", off, slen, bb.remaining(), n, nn, m);
 217         }
 218 
 219         bb.flip();
 220         // assertEquals(buf, 0, bn, baNIO, 0, bn, "getBytes(bb, cs)/loop");
 221 
 222         if (!new String(bb, cs).equals(new String(baNIO, cs))) {
 223 bb.rewind();
 224 String s1 = new String(bb, cs);
 225 String s2 = new String(baNIO, cs);
 226 
 227 System.out.printf("  bb.str.len=%d, nio.str.len=%d%n",  s1.length(), s2.length());
 228 for (int i = 0 ;i < s1.length(); i++) {
 229     if (s1.charAt(i) != s2.charAt(i)) {
 230         System.out.printf(" [%d] %x   %x%n", i, s1.charAt(i) & 0xffff, s2.charAt(i) & 0xffff);
 231     }
 232 }
 233 
 234 
 235             throw new RuntimeException("getBytes(bb, cs)/loop");
 236             //new RuntimeException("getBytes(bb, cs)/loop").printStackTrace();
 237         }
 238 
 239         // getBytes(int, int, ByteBuffer/direct, cs);
 240         bb = ByteBuffer.allocateDirect(buf.length);
 241         n = str.getBytes(0, slen, bb, cs);
 242         assertEquals(n, slen, "getBytes(bb cs)");
 243         assertEquals(bb, 0, baNIO, 0, baNIO.length, buf, "getBytes(bb, cs)");
 244 
 245         bb.clear().position(3);
 246         n = str.getBytes(0, slen, bb, cs);
 247         assertEquals(n, slen, "getBytes(bb, cs)");
 248         assertEquals(bb, 3, baNIO, 0, baNIO.length, buf, "getBytes(bb/3, cs)");
 249 
 250         bb.clear().limit(shortenLen);
 251         n = str.getBytes(0, slen, bb, cs);
 252         bn = bb.position();
 253         assertEquals(bb, 0, baNIO, 0, bn, buf, "getBytes(bb, cs)/shortenLen");
 254 
 255         return baSC;
 256     }
 257 
 258     static String testNewString(Charset cs, byte[] ba) throws Throwable {
 259         CharsetDecoder dec = cs.newDecoder()
 260             .onMalformedInput(CodingErrorAction.REPLACE)
 261             .onUnmappableCharacter(CodingErrorAction.REPLACE);
 262 
 263         String csn = cs.name();
 264 
 265         //new String(csn);
 266         String strSC = new String(ba, cs.name());
 267         String strNIO = dec.reset().decode(ByteBuffer.wrap(ba)).toString();
 268         if(!strNIO.equals(strSC)) {
 269             throw new RuntimeException("new String(csn) failed  -> " + csn);
 270         }
 271         //new String(cs);
 272         strSC = new String(ba, cs);
 273         if (!strNIO.equals(strSC)) {
 274             throw new RuntimeException("new String(cs) failed  -> " + csn);
 275         }
 276 
 277         //new String(bytebuffer, cs);
 278         ByteBuffer bb = ByteBuffer.allocate(ba.length + 10);
 279         bb.put(ba);
 280         bb.flip();
 281         if (!strNIO.equals(new String(bb, cs))) {
 282             throw new RuntimeException("new String(bb, cs) failed  -> " + csn);
 283         }
 284 
 285         bb.clear().position(3).put(ba).flip();
 286         if (!strNIO.equals(new String(bb.position(3), cs))) {
 287             throw new RuntimeException("new String(cs)/pos=3 failed  -> " + csn);
 288         }
 289 
 290         //new String(bytebuffer/direct, cs);
 291         bb = ByteBuffer.allocateDirect(ba.length + 10);
 292         bb.put(ba);
 293         bb.flip();
 294         if (!strNIO.equals(new String(bb, cs))) {
 295             throw new RuntimeException("new String(cs)/bmp failed  -> " + csn);
 296         }
 297 
 298         bb.clear().position(3).put(ba).flip();
 299         if (!strNIO.equals(new String(bb.position(3), cs))) {
 300             throw new RuntimeException("new String(cs)/pos=3 failed  -> " + csn);
 301         }
 302 
 303         return strSC;
 304     }
 305 
 306     static void testSurrogates(Charset cs) throws Throwable {
 307         //encode unmappable surrogates
 308         CharsetEncoder enc = cs.newEncoder()
 309             .onMalformedInput(CodingErrorAction.REPLACE)
 310             .onUnmappableCharacter(CodingErrorAction.REPLACE);
 311         if (enc instanceof sun.nio.cs.ArrayEncoder &&
 312             cs.contains(Charset.forName("ASCII"))) {
 313             if (cs.name().equals("UTF-8") ||     // utf8 handles surrogates
 314                 cs.name().equals("CESU-8"))      // utf8 handles surrogates
 315                 return;
 316             enc.replaceWith(new byte[] { (byte)'A'});
 317             sun.nio.cs.ArrayEncoder cae = (sun.nio.cs.ArrayEncoder)enc;
 318 
 319             String str = "ab\uD800\uDC00\uD800\uDC00cd";
 320             byte[] ba = new byte[str.length() - 2];
 321             int n = cae.encode(str.toCharArray(), 0, str.length(), ba);
 322             if (n != 6 || !"abAAcd".equals(new String(ba, cs.name())))