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firefox/nsprpub/pr/tests/randseed.c
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

130 lines
2.9 KiB
C

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