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Diffstat (limited to 'src/tests/cwrap/test_become_user.c')
-rw-r--r--src/tests/cwrap/test_become_user.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/tests/cwrap/test_become_user.c b/src/tests/cwrap/test_become_user.c
index 06d3ad4..7ecea5a 100644
--- a/src/tests/cwrap/test_become_user.c
+++ b/src/tests/cwrap/test_become_user.c
@@ -76,6 +76,7 @@ void test_switch_user(void **state)
struct passwd *sssd;
TALLOC_CTX *tmp_ctx;
struct sss_creds *saved_creds;
+ struct sss_creds *saved_creds2 = NULL;
check_leaks_push(global_talloc_context);
tmp_ctx = talloc_new(global_talloc_context);
@@ -102,6 +103,12 @@ void test_switch_user(void **state)
assert_int_equal(saved_creds->uid, 0);
assert_int_equal(saved_creds->gid, 0);
+ /* Attempt to restore creds again */
+ ret = switch_creds(tmp_ctx, sssd->pw_uid, sssd->pw_gid,
+ 0, NULL, &saved_creds2);
+ assert_int_equal(ret, EOK);
+ assert_null(saved_creds2);
+
/* restore root */
ret = restore_creds(saved_creds);
assert_int_equal(ret, EOK);