[src/trunk]: src/tests/lib/libc/gen add null and empty tests.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/0f4c0ebd799b
branches:  trunk
changeset: 802283:0f4c0ebd799b
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Sep 08 19:01:03 2014 +0000

description:
add null and empty tests.

diffstat:

 tests/lib/libc/gen/t_vis.c |  30 +++++++++++++++++++++++++++++-
 1 files changed, 29 insertions(+), 1 deletions(-)

diffs (51 lines):

diff -r 5206d187289e -r 0f4c0ebd799b tests/lib/libc/gen/t_vis.c
--- a/tests/lib/libc/gen/t_vis.c        Mon Sep 08 17:41:11 2014 +0000
+++ b/tests/lib/libc/gen/t_vis.c        Mon Sep 08 19:01:03 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_vis.c,v 1.6 2013/02/13 04:51:56 christos Exp $       */
+/*     $NetBSD: t_vis.c,v 1.7 2014/09/08 19:01:03 christos Exp $       */
 
 /*-
  * Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -89,6 +89,32 @@
        free(visbuf);
 }
 
+ATF_TC(strvis_null);
+ATF_TC_HEAD(strvis_null, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test strvis(3) NULL");
+}
+
+ATF_TC_BODY(strvis_null, tc)
+{
+       char dst[] = "fail";
+       strvis(dst, NULL, VIS_SAFE);
+       ATF_REQUIRE(dst[0] == '\0' && dst[1] == 'a');
+}
+
+ATF_TC(strvis_empty);
+ATF_TC_HEAD(strvis_empty, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test strvis(3) empty");
+}
+
+ATF_TC_BODY(strvis_empty, tc)
+{
+       char dst[] = "fail";
+       strvis(dst, "", VIS_SAFE);
+       ATF_REQUIRE(dst[0] == '\0' && dst[1] == 'a');
+}
+
 ATF_TC(strunvis_hex);
 ATF_TC_HEAD(strunvis_hex, tc)
 {
@@ -121,6 +147,8 @@
 {
 
        ATF_TP_ADD_TC(tp, strvis_basic);
+       ATF_TP_ADD_TC(tp, strvis_null);
+       ATF_TP_ADD_TC(tp, strvis_empty);
        ATF_TP_ADD_TC(tp, strunvis_hex);
 
        return atf_no_error();