tests: Add a test for setgid().

diff --git a/tests/testsuite.c b/tests/testsuite.c
index ddf3ee49c4b56301959f458b292e0edd1683cd02..113d74bbae0f11c04005f71587f06b049883d600 100644 (file)
--- a/tests/testsuite.c
+++ b/tests/testsuite.c
@@ -108,6 +108,30 @@ static void test_uwrap_setegid(void **state)
        assert_int_equal(u, 42);
 }
 
+static void test_uwrap_setgid(void **state)
+{
+       int rc;
+       gid_t u;
+       char *env;
+
+       env = getenv("UID_WRAPPER");
+       if (env == NULL) {
+               printf("UID_WRAPPER env not set, uid_wrapper is disabled\n");
+               return;
+       }
+
+       (void) state; /* unused */
+
+       rc = setgid(-1);
+       assert_int_equal(rc, -1);
+
+       rc = setgid(42);
+       assert_int_equal(rc, 0);
+
+       u = getgid();
+       assert_int_equal(u, 42);
+}
+
 static void test_uwrap_syscall(void **state)
 {
        long int rc;
@@ -214,6 +238,7 @@ int main(void) {
                unit_test(test_uwrap_seteuid),
                unit_test(test_uwrap_setuid),
                unit_test(test_uwrap_setegid),
+               unit_test(test_uwrap_setgid),
                unit_test(test_uwrap_syscall_setreuid),
                unit_test(test_uwrap_syscall_setregid),
        };