/*

 * Copyright (c) 2012, 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.

 *

 * 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.

 */

/**

 * @test

 * @bug 6732154

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

 *

 * @run main/othervm -Xcomp

 *      -XX:CompileCommand=compileonly,compiler.c2.Test6732154::ascii85Encode

 *      compiler.c2.Test6732154

 */

package compiler.c2;

public class Test6732154 {

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

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

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

        long p1 = 85;

        long p2 = p1*p1;

        long p3 = p1*p2;

        long p4 = p1*p3;

        byte pling = '!';

        int i = 0;

        int olen = 0;

        long val, rem;

        while (i+3 < inArr.length) {

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

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

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

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

            if (val == 0) {

                outArr[olen++] = 'z';

            } else {

                rem = val;

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

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

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

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

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

            }

        }

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

        if (i < inArr.length) {

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

            val = 0;

            while (i < inArr.length) {

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

            }

            int append = 4 - n;

            while (append-- > 0) {

                val = val << 8;

            }

            byte []c = new byte[5];

            rem = val;

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

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

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

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

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

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

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

            }

        }

        // write EOD marker.

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

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

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

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

         * partially because for line breaks either would have to hardwire

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

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

         * about where its inserted:

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

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

         */

        byte[] retArr = new byte[olen];

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

        return retArr;

    }

    public static void main(String[] args) {

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

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

    }

}