[src/trunk]: src/tests/lib/libutil Add comments for some non-obvious cases.

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

details:   https://anonhg.NetBSD.org/src/rev/0b4abc75205c
branches:  trunk
changeset: 332751:0b4abc75205c
user:      apb <apb%NetBSD.org@localhost>
date:      Tue Oct 07 19:26:31 2014 +0000

description:
Add comments for some non-obvious cases.
Also add a test with year=70, which is documented to be treated as 1970.

diffstat:

 tests/lib/libutil/t_parsedate.c |  12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diffs (43 lines):

diff -r 229a15c6dbdc -r 0b4abc75205c tests/lib/libutil/t_parsedate.c
--- a/tests/lib/libutil/t_parsedate.c   Tue Oct 07 19:20:28 2014 +0000
+++ b/tests/lib/libutil/t_parsedate.c   Tue Oct 07 19:26:31 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_parsedate.c,v 1.8 2014/10/07 19:20:28 apb Exp $ */
+/* $NetBSD: t_parsedate.c,v 1.9 2014/10/07 19:26:31 apb Exp $ */
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_parsedate.c,v 1.8 2014/10/07 19:20:28 apb Exp $");
+__RCSID("$NetBSD: t_parsedate.c,v 1.9 2014/10/07 19:26:31 apb Exp $");
 
 #include <atf-c.h>
 #include <errno.h>
@@ -101,11 +101,13 @@
 {
 
        parsecheck("69-09-10", NULL, NULL, localtime_r,
-               2069, 9, 10, 0, 0, 0);
+               2069, 9, 10, 0, 0, 0); /* year < 70: add 2000 */
+       parsecheck("70-09-10", NULL, NULL, localtime_r,
+               1970, 9, 10, 0, 0, 0); /* 70 <= year < 100: add 1900 */
        parsecheck("2006-11-17", NULL, NULL, localtime_r,
                2006, 11, 17, 0, 0, 0);
        parsecheck("10/1/2000", NULL, NULL, localtime_r,
-               2000, 10, 1, 0, 0, 0);
+               2000, 10, 1, 0, 0, 0); /* month/day/year */
        parsecheck("20 Jun 1994", NULL, NULL, localtime_r,
                1994, 6, 20, 0, 0, 0);
        parsecheck("23jun2001", NULL, NULL, localtime_r,
@@ -113,7 +115,7 @@
        parsecheck("1-sep-06", NULL, NULL, localtime_r,
                2006, 9, 1, 0, 0, 0);
        parsecheck("1/11", NULL, NULL, localtime_r,
-               ANY, 1, 11, 0, 0, 0);
+               ANY, 1, 11, 0, 0, 0); /* month/day */
        parsecheck("1500-01-02", NULL, NULL, localtime_r,
                1500, 1, 2, 0, 0, 0);
        parsecheck("9999-12-21", NULL, NULL, localtime_r,