| /* -*- 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 */ |
| |