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Convert tools/regression/lib/libc/gen/test-arc4random into an ATF testcase and

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rename as lib/libc/gen/arc4random_test

Sponsored by: EMC / Isilon Storage Division
This commit is contained in:
Enji Cooper 2014-11-16 07:55:28 +00:00
parent 536b1b933e
commit 37074d966d
2 changed files with 18 additions and 13 deletions
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2
lib/libc/tests/gen/Makefile
View File

@ -4,6 +4,8 @@
TESTSDIR= ${TESTSBASE}/lib/libc/gen
ATF_TESTS_C= arc4random_test
# TODO: t_closefrom, t_cpuset, t_fmtcheck, t_randomid, t_sleep
# TODO: t_siginfo (fixes require further inspection)
# TODO: t_sethostname_test (consistently screws up the hostname)

29
tools/regression/lib/libc/gen/test-arc4random.c → lib/libc/tests/gen/arc4random_test.c
View File

@ -27,13 +27,14 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <atf-c.h>
/*
* BUFSIZE is the number of bytes of rc4 output to compare. The probability
@ -45,7 +46,9 @@ __FBSDID("$FreeBSD$");
* Test whether arc4random_buf() returns the same sequence of bytes in both
* parent and child processes. (Hint: It shouldn't.)
*/
int main(int argc, char *argv[]) {
ATF_TC_WITHOUT_HEAD(test_arc4random);
ATF_TC_BODY(test_arc4random, tc)
{
struct shared_page {
char parentbuf[BUFSIZE];
char childbuf[BUFSIZE];
@ -65,10 +68,7 @@ int main(int argc, char *argv[]) {
arc4random_buf(&c, 1);
pid = fork();
if (pid < 0) {
printf("fail 1 - fork\n");
exit(1);
}
ATF_REQUIRE(0 <= pid);
if (pid == 0) {
/* child */
arc4random_buf(page->childbuf, BUFSIZE);
@ -79,11 +79,14 @@ int main(int argc, char *argv[]) {
arc4random_buf(page->parentbuf, BUFSIZE);
wait(&status);
}
if (memcmp(page->parentbuf, page->childbuf, BUFSIZE) == 0) {
printf("fail 1 - sequences are the same\n");
exit(1);
}
printf("ok 1 - sequences are different\n");
exit(0);
ATF_CHECK_MSG(memcmp(page->parentbuf, page->childbuf, BUFSIZE) != 0,
"sequences are the same");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, test_arc4random);
return (atf_no_error());
}