mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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** File: rngseed.c
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** Description:
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** Test NSPR's Random Number Seed generator
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**
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** Initial test: Just make sure it outputs some data.
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**
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** ... more? ... check some iterations to ensure it is random (no dupes)
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** ... more? ... histogram distribution of random numbers
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*/
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#include "plgetopt.h"
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#include "nspr.h"
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#include "prrng.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/*
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** Test harness infrastructure
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*/
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PRLogModuleInfo *lm;
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PRLogModuleLevel msgLevel = PR_LOG_NONE;
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PRIntn debug = 0;
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PRUint32 failed_already = 0;
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/* end Test harness infrastructure */
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PRIntn optRandCount = 30;
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char buf[40];
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PRSize bufSize = sizeof(buf);
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PRSize rSize;
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PRIntn i;
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/*
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** Emit help text for this test
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*/
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static void Help( void )
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{
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printf("Template: Help(): display your help message(s) here");
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exit(1);
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} /* end Help() */
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static void PrintRand( void *buf, PRIntn size )
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{
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PRUint32 *rp = buf;
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PRIntn i;
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printf("%4.4d--\n", size );
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while (size > 0 ) {
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switch( size ) {
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case 1 :
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printf("%2.2X\n", *(rp++) );
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size -= 4;
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break;
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case 2 :
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printf("%4.4X\n", *(rp++) );
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size -= 4;
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break;
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case 3 :
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printf("%6.6X\n", *(rp++) );
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size -= 4;
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break;
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default:
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while ( size >= 4) {
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PRIntn i = 3;
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do {
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printf("%8.8X ", *(rp++) );
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size -= 4;
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} while( i-- );
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i = 3;
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printf("\n");
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}
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break;
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} /* end switch() */
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} /* end while() */
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} /* end PrintRand() */
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int main(int argc, char **argv)
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{
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{
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/*
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** Get command line options
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*/
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PLOptStatus os;
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PLOptState *opt = PL_CreateOptState(argc, argv, "hdv");
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while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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{
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if (PL_OPT_BAD == os) continue;
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switch (opt->option)
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{
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case 'd': /* debug */
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debug = 1;
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msgLevel = PR_LOG_ERROR;
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break;
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case 'v': /* verbose mode */
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msgLevel = PR_LOG_DEBUG;
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break;
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case 'h': /* help message */
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Help();
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break;
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default:
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break;
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}
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}
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PL_DestroyOptState(opt);
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}
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lm = PR_NewLogModule("Test"); /* Initialize logging */
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for ( i = 0; i < optRandCount ; i++ ) {
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memset( buf, 0, bufSize );
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rSize = PR_GetRandomNoise( buf, bufSize );
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if (!rSize) {
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fprintf(stderr, "Not implemented\n" );
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failed_already = PR_TRUE;
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break;
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}
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if (debug) PrintRand( buf, rSize );
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}
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if (debug) printf("%s\n", (failed_already)? "FAIL" : "PASS");
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return( (failed_already == PR_TRUE )? 1 : 0 );
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} /* main() */
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/* end template.c */
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