test/sun/nio/cs/TestStringCodingUTF8.java

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   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 7040220
  26    @summary Test if StringCoding and NIO result have the same de/encoding result for UTF-8
  27  * @run main/othervm/timeout=2000 TestStringCodingUTF8
  28  * @key randomness
  29  */
  30 
  31 import java.util.*;
  32 import java.nio.*;
  33 import java.nio.charset.*;
  34 
  35 public class TestStringCodingUTF8 {
  36     public static void main(String[] args) throws Throwable {
  37         test("UTF-8");
  38         test("CESU-8");
  39         // security manager on
  40         System.setSecurityManager(new PermissiveSecurityManger());
  41         test("UTF-8");
  42         test("CESU-8");
  43     }
  44 
  45     static void test(String csn) throws Throwable {
  46         Charset cs = Charset.forName(csn);
  47         char[] bmp = new char[0x10000];
  48         for (int i = 0; i < 0x10000; i++) {
  49             bmp[i] = (char)i;
  50         }
  51         test(cs, bmp, 0, bmp.length);
  52 












  53         ArrayList<Integer> list = new ArrayList<>(0x20000);
  54         for (int i = 0; i < 0x20000; i++) {
  55             list.add(i, i);
  56         }
  57         Collections.shuffle(list);
  58         int j = 0;
  59         char[] bmpsupp = new char[0x30000];
  60         for (int i = 0; i < 0x20000; i++) {
  61             j += Character.toChars(list.get(i), bmpsupp, j);
  62         }
  63         assert (j == bmpsupp.length);
  64         test(cs, bmpsupp, 0, bmpsupp.length);
  65 
  66         // randomed "off" and "len" on shuffled data
  67         Random rnd = new Random();
  68         int maxlen = 1000;
  69         int itr = 5000;
  70         for (int i = 0; i < itr; i++) {
  71             int off = rnd.nextInt(bmpsupp.length - maxlen);
  72             int len = rnd.nextInt(maxlen);




   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 7040220 8054307
  26    @summary Test if StringCoding and NIO result have the same de/encoding result for UTF-8
  27  * @run main/othervm/timeout=2000 TestStringCodingUTF8
  28  * @key randomness
  29  */
  30 
  31 import java.util.*;
  32 import java.nio.*;
  33 import java.nio.charset.*;
  34 
  35 public class TestStringCodingUTF8 {
  36     public static void main(String[] args) throws Throwable {
  37         test("UTF-8");
  38         test("CESU-8");
  39         // security manager on
  40         System.setSecurityManager(new PermissiveSecurityManger());
  41         test("UTF-8");
  42         test("CESU-8");
  43     }
  44 
  45     static void test(String csn) throws Throwable {
  46         Charset cs = Charset.forName(csn);
  47         char[] bmp = new char[0x10000];
  48         for (int i = 0; i < 0x10000; i++) {
  49             bmp[i] = (char)i;
  50         }
  51         test(cs, bmp, 0, bmp.length);
  52 
  53         char[] ascii = new char[0x80];
  54         for (int i = 0; i < 0x80; i++) {
  55             ascii[i] = (char)i;
  56         }
  57         test(cs, ascii, 0, ascii.length);
  58 
  59         char[] latin1 = new char[0x100];
  60         for (int i = 0; i < 0x100; i++) {
  61             latin1[i] = (char)i;
  62         }
  63         test(cs, latin1, 0, latin1.length);
  64 
  65         ArrayList<Integer> list = new ArrayList<>(0x20000);
  66         for (int i = 0; i < 0x20000; i++) {
  67             list.add(i, i);
  68         }
  69         Collections.shuffle(list);
  70         int j = 0;
  71         char[] bmpsupp = new char[0x30000];
  72         for (int i = 0; i < 0x20000; i++) {
  73             j += Character.toChars(list.get(i), bmpsupp, j);
  74         }
  75         assert (j == bmpsupp.length);
  76         test(cs, bmpsupp, 0, bmpsupp.length);
  77 
  78         // randomed "off" and "len" on shuffled data
  79         Random rnd = new Random();
  80         int maxlen = 1000;
  81         int itr = 5000;
  82         for (int i = 0; i < itr; i++) {
  83             int off = rnd.nextInt(bmpsupp.length - maxlen);
  84             int len = rnd.nextInt(maxlen);