[src/trunk]: src/tests/lib/libc/stdio add positional argument tests

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

details:   https://anonhg.NetBSD.org/src/rev/2b35e3c33f2c
branches:  trunk
changeset: 777414:2b35e3c33f2c
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Feb 17 20:17:38 2012 +0000

description:
add positional argument tests

diffstat:

 tests/lib/libc/stdio/Makefile   |   3 +-
 tests/lib/libc/stdio/t_printf.c |  54 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 55 insertions(+), 2 deletions(-)

diffs (98 lines):

diff -r da17397e05d0 -r 2b35e3c33f2c tests/lib/libc/stdio/Makefile
--- a/tests/lib/libc/stdio/Makefile     Fri Feb 17 19:57:53 2012 +0000
+++ b/tests/lib/libc/stdio/Makefile     Fri Feb 17 20:17:38 2012 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.8 2011/09/11 09:02:46 jruoho Exp $
+# $NetBSD: Makefile,v 1.9 2012/02/17 20:17:38 christos Exp $
 
 .include <bsd.own.mk>
 
@@ -12,5 +12,6 @@
 TESTS_C+=      t_popen
 TESTS_C+=      t_printf
 TESTS_C+=      t_scanf
+COPTS.t_printf.c += -Wno-format-nonliteral
 
 .include <bsd.test.mk>
diff -r da17397e05d0 -r 2b35e3c33f2c tests/lib/libc/stdio/t_printf.c
--- a/tests/lib/libc/stdio/t_printf.c   Fri Feb 17 19:57:53 2012 +0000
+++ b/tests/lib/libc/stdio/t_printf.c   Fri Feb 17 20:17:38 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_printf.c,v 1.2 2011/07/13 11:17:03 jruoho Exp $ */
+/* $NetBSD: t_printf.c,v 1.3 2012/02/17 20:17:38 christos Exp $ */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -29,6 +29,7 @@
 #include <atf-c.h>
 #include <math.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <string.h>
 
 ATF_TC(snprintf_dotzero);
@@ -47,6 +48,54 @@
        ATF_REQUIRE_STREQ(s, "0");
 }
 
+ATF_TC(snprintf_posarg);
+ATF_TC_HEAD(snprintf_posarg, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "test for positional arguments");
+}
+
+ATF_TC_BODY(snprintf_posarg, tc)
+{
+       char s[16];
+
+       ATF_CHECK(snprintf(s, sizeof(s), "%1$d", -23) == 3);
+       ATF_REQUIRE_STREQ(s, "-23");
+}
+
+ATF_TC(snprintf_posarg_width);
+ATF_TC_HEAD(snprintf_posarg_width, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "test for positional arguments with "
+           "field width");
+}
+
+ATF_TC_BODY(snprintf_posarg_width, tc)
+{
+       char s[16];
+
+       ATF_CHECK(snprintf(s, sizeof(s), "%1$*2$d", -23, 4) == 4);
+       ATF_REQUIRE_STREQ(s, " -23");
+}
+
+ATF_TC(snprintf_posarg_error);
+ATF_TC_HEAD(snprintf_posarg_error, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr", "test for positional arguments out "
+           "of bounds");
+}
+
+ATF_TC_BODY(snprintf_posarg_error, tc)
+{
+       char s[16], fmt[32];
+
+       snprintf(fmt, sizeof(fmt), "%%%zu$d", SIZE_MAX / sizeof(size_t));
+
+       ATF_CHECK(snprintf(s, sizeof(s), fmt, -23) == -1);
+}
+
 ATF_TC(sprintf_zeropad);
 ATF_TC_HEAD(sprintf_zeropad, tc)
 {
@@ -75,6 +124,9 @@
 {
 
        ATF_TP_ADD_TC(tp, snprintf_dotzero);
+       ATF_TP_ADD_TC(tp, snprintf_posarg);
+       ATF_TP_ADD_TC(tp, snprintf_posarg_width);
+       ATF_TP_ADD_TC(tp, snprintf_posarg_error);
        ATF_TP_ADD_TC(tp, sprintf_zeropad);
 
        return atf_no_error();