1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/tests/randseed.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,131 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/*
1.10 +** File: rngseed.c
1.11 +** Description:
1.12 +** Test NSPR's Random Number Seed generator
1.13 +**
1.14 +** Initial test: Just make sure it outputs some data.
1.15 +**
1.16 +** ... more? ... check some iterations to ensure it is random (no dupes)
1.17 +** ... more? ... histogram distribution of random numbers
1.18 +*/
1.19 +
1.20 +#include "plgetopt.h"
1.21 +#include "nspr.h"
1.22 +#include "prrng.h"
1.23 +#include <stdio.h>
1.24 +#include <stdlib.h>
1.25 +#include <string.h>
1.26 +
1.27 +/*
1.28 +** Test harness infrastructure
1.29 +*/
1.30 +PRLogModuleInfo *lm;
1.31 +PRLogModuleLevel msgLevel = PR_LOG_NONE;
1.32 +PRIntn debug = 0;
1.33 +PRUint32 failed_already = 0;
1.34 +/* end Test harness infrastructure */
1.35 +
1.36 +PRIntn optRandCount = 30;
1.37 +char buf[40];
1.38 +PRSize bufSize = sizeof(buf);
1.39 +PRSize rSize;
1.40 +PRIntn i;
1.41 +
1.42 +/*
1.43 +** Emit help text for this test
1.44 +*/
1.45 +static void Help( void )
1.46 +{
1.47 + printf("Template: Help(): display your help message(s) here");
1.48 + exit(1);
1.49 +} /* end Help() */
1.50 +
1.51 +static void PrintRand( void *buf, PRIntn size )
1.52 +{
1.53 + PRUint32 *rp = buf;
1.54 + PRIntn i;
1.55 +
1.56 + printf("%4.4d--\n", size );
1.57 + while (size > 0 ) {
1.58 + switch( size ) {
1.59 + case 1 :
1.60 + printf("%2.2X\n", *(rp++) );
1.61 + size -= 4;
1.62 + break;
1.63 + case 2 :
1.64 + printf("%4.4X\n", *(rp++) );
1.65 + size -= 4;
1.66 + break;
1.67 + case 3 :
1.68 + printf("%6.6X\n", *(rp++) );
1.69 + size -= 4;
1.70 + break;
1.71 + default:
1.72 + while ( size >= 4) {
1.73 + PRIntn i = 3;
1.74 + do {
1.75 + printf("%8.8X ", *(rp++) );
1.76 + size -= 4;
1.77 + } while( i-- );
1.78 + i = 3;
1.79 + printf("\n");
1.80 + }
1.81 + break;
1.82 + } /* end switch() */
1.83 + } /* end while() */
1.84 +} /* end PrintRand() */
1.85 +
1.86 +
1.87 +int main(int argc, char **argv)
1.88 +{
1.89 + {
1.90 + /*
1.91 + ** Get command line options
1.92 + */
1.93 + PLOptStatus os;
1.94 + PLOptState *opt = PL_CreateOptState(argc, argv, "hdv");
1.95 +
1.96 + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
1.97 + {
1.98 + if (PL_OPT_BAD == os) continue;
1.99 + switch (opt->option)
1.100 + {
1.101 + case 'd': /* debug */
1.102 + debug = 1;
1.103 + msgLevel = PR_LOG_ERROR;
1.104 + break;
1.105 + case 'v': /* verbose mode */
1.106 + msgLevel = PR_LOG_DEBUG;
1.107 + break;
1.108 + case 'h': /* help message */
1.109 + Help();
1.110 + break;
1.111 + default:
1.112 + break;
1.113 + }
1.114 + }
1.115 + PL_DestroyOptState(opt);
1.116 + }
1.117 +
1.118 + lm = PR_NewLogModule("Test"); /* Initialize logging */
1.119 + for ( i = 0; i < optRandCount ; i++ ) {
1.120 + memset( buf, 0, bufSize );
1.121 + rSize = PR_GetRandomNoise( buf, bufSize );
1.122 + if (!rSize) {
1.123 + fprintf(stderr, "Not implemented\n" );
1.124 + failed_already = PR_TRUE;
1.125 + break;
1.126 + }
1.127 + if (debug) PrintRand( buf, rSize );
1.128 + }
1.129 +
1.130 + if (debug) printf("%s\n", (failed_already)? "FAIL" : "PASS");
1.131 + return( (failed_already == PR_TRUE )? 1 : 0 );
1.132 +} /* main() */
1.133 +/* end template.c */
1.134 +
