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annotate test/compiler/6732154/Test6732154.java @ 18408:2c3666f44855

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Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents 121e5708ae96
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /**
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26 * @test
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27 * @bug 6732154
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28 * @summary REG: Printing an Image using image/gif doc flavor crashes the VM, Solsparc
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29 *
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30 * @run main/othervm -Xcomp -XX:CompileOnly="Test6732154::ascii85Encode" Test6732154
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31 */
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32 public class Test6732154 {
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33
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34 // Exact copy of sun.print.PSPrinterJob.ascii85Encode([b)[b
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35 private byte[] ascii85Encode(byte[] inArr) {
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36 byte[] outArr = new byte[((inArr.length+4) * 5 / 4) + 2];
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37 long p1 = 85;
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38 long p2 = p1*p1;
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39 long p3 = p1*p2;
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40 long p4 = p1*p3;
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41 byte pling = '!';
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42
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43 int i = 0;
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44 int olen = 0;
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45 long val, rem;
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46
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47 while (i+3 < inArr.length) {
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48 val = ((long)((inArr[i++]&0xff))<<24) +
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49 ((long)((inArr[i++]&0xff))<<16) +
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50 ((long)((inArr[i++]&0xff))<< 8) +
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51 ((long)(inArr[i++]&0xff));
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52 if (val == 0) {
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53 outArr[olen++] = 'z';
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54 } else {
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55 rem = val;
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56 outArr[olen++] = (byte)(rem / p4 + pling); rem = rem % p4;
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57 outArr[olen++] = (byte)(rem / p3 + pling); rem = rem % p3;
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58 outArr[olen++] = (byte)(rem / p2 + pling); rem = rem % p2;
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59 outArr[olen++] = (byte)(rem / p1 + pling); rem = rem % p1;
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60 outArr[olen++] = (byte)(rem + pling);
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61 }
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62 }
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63 // input not a multiple of 4 bytes, write partial output.
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64 if (i < inArr.length) {
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65 int n = inArr.length - i; // n bytes remain to be written
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66
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67 val = 0;
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68 while (i < inArr.length) {
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69 val = (val << 8) + (inArr[i++]&0xff);
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70 }
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71
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72 int append = 4 - n;
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73 while (append-- > 0) {
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74 val = val << 8;
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75 }
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76 byte []c = new byte[5];
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77 rem = val;
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78 c[0] = (byte)(rem / p4 + pling); rem = rem % p4;
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79 c[1] = (byte)(rem / p3 + pling); rem = rem % p3;
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80 c[2] = (byte)(rem / p2 + pling); rem = rem % p2;
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81 c[3] = (byte)(rem / p1 + pling); rem = rem % p1;
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82 c[4] = (byte)(rem + pling);
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83
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84 for (int b = 0; b < n+1 ; b++) {
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85 outArr[olen++] = c[b];
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86 }
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87 }
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88
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89 // write EOD marker.
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90 outArr[olen++]='~'; outArr[olen++]='>';
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91
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92 /* The original intention was to insert a newline after every 78 bytes.
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93 * This was mainly intended for legibility but I decided against this
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94 * partially because of the (small) amount of extra space, and
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95 * partially because for line breaks either would have to hardwire
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96 * ascii 10 (newline) or calculate space in bytes to allocate for
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97 * the platform's newline byte sequence. Also need to be careful
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98 * about where its inserted:
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99 * Ascii 85 decoder ignores white space except for one special case:
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100 * you must ensure you do not split the EOD marker across lines.
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101 */
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102 byte[] retArr = new byte[olen];
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103 System.arraycopy(outArr, 0, retArr, 0, olen);
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104 return retArr;
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105 }
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106
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107 public static void main(String[] args) {
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108 new Test6732154().ascii85Encode(new byte[0]);
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109 System.out.println("Test passed.");
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110 }
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111 }