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annotate test/compiler/6663621/IVTest.java @ 80:092ea87cc974

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6679422: networkStream::connect() in ostream.cpp is not 64-bit clean Reviewed-by: jmasa, xlu
author jcoomes
date Fri, 28 Mar 2008 23:35:42 -0700
parents f705f25597eb
children 2a8ec427fbe1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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72
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1 /*
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2 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
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3 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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4 *
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5 *
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6 *
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7 *
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8 *
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9 *
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10 *
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11 *
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12 *
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13 *
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14 *
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15 *
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16 *
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17 *
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18 *
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19 *
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20 *
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21 *
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22 */
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23
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24 /**
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25 * @test
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26 * @bug 6663621
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27 * @summary JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests.
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28 */
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29
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30 public class IVTest {
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31 static int paddedSize;
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32
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33 static void padV15(byte[] padded) {
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34 int psSize = padded.length;
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35 int k = 0;
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36 while (psSize-- > 0) {
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37 padded[k++] = (byte)0xff;
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38 }
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39 }
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40
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41 static void padV15_2(int paddedSize) {
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42 byte[] padded = new byte[paddedSize];
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43 int psSize = padded.length;
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44 int k = 0;
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45 while (psSize-- > 0) {
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46 padded[k++] = (byte)0xff;
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47 }
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48 }
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49
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50 static void padV15_3() {
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51 byte[] padded = new byte[paddedSize];
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52 int psSize = padded.length;
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53 int k = 0;
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54 while (psSize-- > 0) {
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55 padded[k++] = (byte)0xff;
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56 }
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57 }
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58
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59 static void padV15_4() {
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60 byte[] padded = new byte[paddedSize];
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61 int psSize = padded.length;
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62 for (int k = 0;psSize > 0; psSize--) {
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63 int i = padded.length - psSize;
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64 padded[i] = (byte)0xff;
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65 }
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66 }
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67
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68 static void padV15_5() {
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69 byte[] padded = new byte[paddedSize];
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70 int psSize = padded.length;
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71 int k = psSize - 1;
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72 for (int i = 0; i < psSize; i++) {
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73 padded[k--] = (byte)0xff;
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74 }
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75 }
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76
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77 public static void main(String argv[]) {
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78 int bounds = 1024;
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79 int lim = 500000;
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80 long start = System.currentTimeMillis();
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81 for (int j = 0; j < lim; j++) {
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82 paddedSize = j % bounds;
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83 padV15(new byte[paddedSize]);
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84 }
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85 long end = System.currentTimeMillis();
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86 System.out.println(end - start);
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87 start = System.currentTimeMillis();
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88 for (int j = 0; j < lim; j++) {
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89 paddedSize = j % bounds;
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90 padV15_2(paddedSize);
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91 }
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92 end = System.currentTimeMillis();
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93 System.out.println(end - start);
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94 start = System.currentTimeMillis();
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95 for (int j = 0; j < lim; j++) {
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96 paddedSize = j % bounds;
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97 padV15_3();
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98 }
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99 end = System.currentTimeMillis();
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100 System.out.println(end - start);
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101 start = System.currentTimeMillis();
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102 for (int j = 0; j < lim; j++) {
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103 paddedSize = j % bounds;
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104 padV15_4();
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105 }
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106 end = System.currentTimeMillis();
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107 System.out.println(end - start);
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108 start = System.currentTimeMillis();
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109 for (int j = 0; j < lim; j++) {
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110 paddedSize = j % bounds;
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111 padV15_5();
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112 }
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113 end = System.currentTimeMillis();
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114 System.out.println(end - start);
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115 }
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116 }