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add a clearenv test.

This commit is contained in:
christos 2010-11-03 16:09:43 +00:00
parent 3954ad831d
commit d3d3da9ee3
1 changed files with 37 additions and 4 deletions
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41
tests/lib/libc/stdlib/t_environment.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_environment.c,v 1.4 2010/10/25 20:35:36 njoly Exp $ */
/* $NetBSD: t_environment.c,v 1.5 2010/11/03 16:09:43 christos Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_environment.c,v 1.4 2010/10/25 20:35:36 njoly Exp $");
__RCSID("$NetBSD: t_environment.c,v 1.5 2010/11/03 16:09:43 christos Exp $");
#include <atf-c.h>
#include <errno.h>
@ -42,6 +42,7 @@ __RCSID("$NetBSD: t_environment.c,v 1.4 2010/10/25 20:35:36 njoly Exp $");
ATF_TC(t_setenv);
ATF_TC(t_putenv);
ATF_TC(t_clearenv);
ATF_TC_HEAD(t_setenv, tc)
{
@ -55,6 +56,12 @@ ATF_TC_HEAD(t_putenv, tc)
"Test putenv(3), getenv(3), unsetenv(3)");
}
ATF_TC_HEAD(t_clearenv, tc)
{
atf_tc_set_md_var(tc, "descr",
"Test user clearing environment directly");
}
ATF_TC_BODY(t_setenv, tc)
{
size_t i;
@ -97,14 +104,40 @@ ATF_TC_BODY(t_putenv, tc)
ATF_CHECK(getenv("crap") == NULL);
ATF_CHECK_ERRNO(EINVAL, putenv(NULL) == -1);
ATF_CHECK_ERRNO(EINVAL, putenv("val") == -1);
ATF_CHECK_ERRNO(EINVAL, putenv("=val") == -1);
ATF_CHECK_ERRNO(EINVAL, putenv(__UNCONST("val")) == -1);
ATF_CHECK_ERRNO(EINVAL, putenv(__UNCONST("=val")) == -1);
}
extern char **environ;
ATF_TC_BODY(t_clearenv, tc)
{
char name[1024], value[1024];
for (size_t i = 0; i < 1024; i++) {
snprintf(name, sizeof(name), "crap%zu", i);
snprintf(value, sizeof(value), "%zu", i);
ATF_CHECK(setenv(name, value, 1) != -1);
}
*environ = NULL;
for (size_t i = 0; i < 1; i++) {
snprintf(name, sizeof(name), "crap%zu", i);
snprintf(value, sizeof(value), "%zu", i);
ATF_CHECK(setenv(name, value, 1) != -1);
}
ATF_CHECK_STREQ(getenv("crap0"), "0");
ATF_CHECK(getenv("crap1") == NULL);
ATF_CHECK(getenv("crap2") == NULL);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, t_setenv);
ATF_TP_ADD_TC(tp, t_putenv);
ATF_TP_ADD_TC(tp, t_clearenv);
return atf_no_error();
}