jdk8-mips64-public/hotspot: test/compiler/6732154/Test6732154.java@f90c822e73f8

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http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 2012, 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  */

    25 /**

    26  * @test

    27  * @bug 6732154

    28  * @summary REG: Printing an Image using image/gif doc flavor crashes the VM, Solsparc

    29  *

    30  * @run main/othervm -Xcomp -XX:CompileOnly="Test6732154::ascii85Encode" Test6732154

    31  */

    32 public class Test6732154 {

    34     // Exact copy of sun.print.PSPrinterJob.ascii85Encode([b)[b

    35     private byte[] ascii85Encode(byte[] inArr) {

    36         byte[]  outArr = new byte[((inArr.length+4) * 5 / 4) + 2];

    37         long p1 = 85;

    38         long p2 = p1*p1;

    39         long p3 = p1*p2;

    40         long p4 = p1*p3;

    41         byte pling = '!';

    43         int i = 0;

    44         int olen = 0;

    45         long val, rem;

    47         while (i+3 < inArr.length) {

    48             val = ((long)((inArr[i++]&0xff))<<24) +

    49                   ((long)((inArr[i++]&0xff))<<16) +

    50                   ((long)((inArr[i++]&0xff))<< 8) +

    51                   ((long)(inArr[i++]&0xff));

    52             if (val == 0) {

    53                 outArr[olen++] = 'z';

    54             } else {

    55                 rem = val;

    56                 outArr[olen++] = (byte)(rem / p4 + pling); rem = rem % p4;

    57                 outArr[olen++] = (byte)(rem / p3 + pling); rem = rem % p3;

    58                 outArr[olen++] = (byte)(rem / p2 + pling); rem = rem % p2;

    59                 outArr[olen++] = (byte)(rem / p1 + pling); rem = rem % p1;

    60                 outArr[olen++] = (byte)(rem + pling);

    61             }

    62         }

    63         // input not a multiple of 4 bytes, write partial output.

    64         if (i < inArr.length) {

    65             int n = inArr.length - i; // n bytes remain to be written

    67             val = 0;

    68             while (i < inArr.length) {

    69                 val = (val << 8) + (inArr[i++]&0xff);

    70             }

    72             int append = 4 - n;

    73             while (append-- > 0) {

    74                 val = val << 8;

    75             }

    76             byte []c = new byte[5];

    77             rem = val;

    78             c[0] = (byte)(rem / p4 + pling); rem = rem % p4;

    79             c[1] = (byte)(rem / p3 + pling); rem = rem % p3;

    80             c[2] = (byte)(rem / p2 + pling); rem = rem % p2;

    81             c[3] = (byte)(rem / p1 + pling); rem = rem % p1;

    82             c[4] = (byte)(rem + pling);

    84             for (int b = 0; b < n+1 ; b++) {

    85                 outArr[olen++] = c[b];

    86             }

    87         }

    89         // write EOD marker.

    90         outArr[olen++]='~'; outArr[olen++]='>';

    92         /* The original intention was to insert a newline after every 78 bytes.

    93          * This was mainly intended for legibility but I decided against this

    94          * partially because of the (small) amount of extra space, and

    95          * partially because for line breaks either would have to hardwire

    96          * ascii 10 (newline) or calculate space in bytes to allocate for

    97          * the platform's newline byte sequence. Also need to be careful

    98          * about where its inserted:

    99          * Ascii 85 decoder ignores white space except for one special case:

   100          * you must ensure you do not split the EOD marker across lines.

   101          */

   102         byte[] retArr = new byte[olen];

   103         System.arraycopy(outArr, 0, retArr, 0, olen);

   104         return retArr;

   105     }

   107     public static void main(String[] args) {

   108         new Test6732154().ascii85Encode(new byte[0]);

   109         System.out.println("Test passed.");

   110     }

   111 }

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