1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2 | /* ***** BEGIN LICENSE BLOCK *****
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3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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4 | *
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5 | * The contents of this file are subject to the Mozilla Public License Version
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6 | * 1.1 (the "License"); you may not use this file except in compliance with
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7 | * the License. You may obtain a copy of the License at
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8 | * http://www.mozilla.org/MPL/
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9 | *
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10 | * Software distributed under the License is distributed on an "AS IS" basis,
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11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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12 | * for the specific language governing rights and limitations under the
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13 | * License.
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14 | *
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15 | * The Original Code is the Netscape Portable Runtime (NSPR).
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16 | *
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17 | * The Initial Developer of the Original Code is
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18 | * Netscape Communications Corporation.
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19 | * Portions created by the Initial Developer are Copyright (C) 1998-2000
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20 | * the Initial Developer. All Rights Reserved.
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21 | *
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22 | * Contributor(s):
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23 | *
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24 | * Alternatively, the contents of this file may be used under the terms of
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25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
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26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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28 | * of those above. If you wish to allow use of your version of this file only
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29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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30 | * use your version of this file under the terms of the MPL, indicate your
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31 | * decision by deleting the provisions above and replace them with the notice
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32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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33 | * the provisions above, a recipient may use your version of this file under
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34 | * the terms of any one of the MPL, the GPL or the LGPL.
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35 | *
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36 | * ***** END LICENSE BLOCK ***** */
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37 |
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38 | /*
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39 | ** File: rngseed.c
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40 | ** Description:
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41 | ** Test NSPR's Random Number Seed generator
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42 | **
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43 | ** Initial test: Just make sure it outputs some data.
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44 | **
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45 | ** ... more? ... check some iterations to ensure it is random (no dupes)
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46 | ** ... more? ... histogram distribution of random numbers
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47 | */
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48 |
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49 | #include <plgetopt.h>
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50 | #include <nspr.h>
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51 | #include <prrng.h>
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52 | #include <stdio.h>
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53 | #include <stdlib.h>
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54 |
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55 | /*
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56 | ** Test harness infrastructure
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57 | */
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58 | PRLogModuleInfo *lm;
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59 | PRLogModuleLevel msgLevel = PR_LOG_NONE;
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60 | PRIntn debug = 0;
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61 | PRUint32 failed_already = 0;
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62 | /* end Test harness infrastructure */
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63 |
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64 | PRIntn optRandCount = 30;
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65 | char buf[40];
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66 | PRSize bufSize = sizeof(buf);
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67 | PRSize rSize;
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68 | PRIntn i;
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69 |
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70 | /*
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71 | ** Emit help text for this test
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72 | */
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73 | static void Help( void )
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74 | {
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75 | printf("Template: Help(): display your help message(s) here");
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76 | exit(1);
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77 | } /* end Help() */
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78 |
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79 | static void PrintRand( void *buf, PRIntn size )
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80 | {
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81 | PRUint32 *rp = buf;
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82 | PRIntn i;
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83 |
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84 | printf("%4.4d--\n", size );
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85 | while (size > 0 ) {
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86 | switch( size ) {
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87 | case 1 :
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88 | printf("%2.2X\n", *(rp++) );
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89 | size -= 4;
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90 | break;
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91 | case 2 :
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92 | printf("%4.4X\n", *(rp++) );
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93 | size -= 4;
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94 | break;
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95 | case 3 :
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96 | printf("%6.6X\n", *(rp++) );
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97 | size -= 4;
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98 | break;
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99 | default:
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100 | while ( size >= 4) {
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101 | PRIntn i = 3;
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102 | do {
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103 | printf("%8.8X ", *(rp++) );
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104 | size -= 4;
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105 | } while( i-- );
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106 | i = 3;
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107 | printf("\n");
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108 | }
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109 | break;
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110 | } /* end switch() */
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111 | } /* end while() */
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112 | } /* end PrintRand() */
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113 |
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114 |
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115 | PRIntn main(PRIntn argc, char *argv[])
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116 | {
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117 | {
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118 | /*
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119 | ** Get command line options
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120 | */
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121 | PLOptStatus os;
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122 | PLOptState *opt = PL_CreateOptState(argc, argv, "hdv");
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123 |
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124 | while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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125 | {
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126 | if (PL_OPT_BAD == os) continue;
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127 | switch (opt->option)
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128 | {
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129 | case 'd': /* debug */
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130 | debug = 1;
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131 | msgLevel = PR_LOG_ERROR;
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132 | break;
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133 | case 'v': /* verbose mode */
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134 | msgLevel = PR_LOG_DEBUG;
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135 | break;
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136 | case 'h': /* help message */
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137 | Help();
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138 | break;
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139 | default:
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140 | break;
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141 | }
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142 | }
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143 | PL_DestroyOptState(opt);
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144 | }
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145 |
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146 | lm = PR_NewLogModule("Test"); /* Initialize logging */
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147 | for ( i = 0; i < optRandCount ; i++ ) {
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148 | memset( buf, 0, bufSize );
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149 | rSize = PR_GetRandomNoise( buf, bufSize );
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150 | if (!rSize) {
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151 | fprintf(stderr, "Not implemented\n" );
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152 | failed_already = PR_TRUE;
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153 | break;
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154 | }
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155 | if (debug) PrintRand( buf, rSize );
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156 | }
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157 |
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158 | if (debug) printf("%s\n", (failed_already)? "FAIL" : "PASS");
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159 | return( (failed_already == PR_TRUE )? 1 : 0 );
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160 | } /* main() */
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161 | /* end template.c */
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162 |
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