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-rw-r--r--nsprpub/pr/tests/randseed.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/randseed.c b/nsprpub/pr/tests/randseed.c
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+++ b/nsprpub/pr/tests/randseed.c
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+/* -*- 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 */
+