[src/trunk]: src/tests/lib/libc/string Add one simple test case.

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

details:   https://anonhg.NetBSD.org/src/rev/fca17ee8fd07
branches:  trunk
changeset: 767042:fca17ee8fd07
user:      jruoho <jruoho%NetBSD.org@localhost>
date:      Thu Jul 07 09:16:06 2011 +0000

description:
Add one simple test case.

diffstat:

 tests/lib/libc/string/t_strlen.c |  34 +++++++++++++++++++++++++++++++++-
 1 files changed, 33 insertions(+), 1 deletions(-)

diffs (59 lines):

diff -r 30c2864265e0 -r fca17ee8fd07 tests/lib/libc/string/t_strlen.c
--- a/tests/lib/libc/string/t_strlen.c  Thu Jul 07 08:59:30 2011 +0000
+++ b/tests/lib/libc/string/t_strlen.c  Thu Jul 07 09:16:06 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_strlen.c,v 1.1 2011/07/07 08:59:33 jruoho Exp $ */
+/* $NetBSD: t_strlen.c,v 1.2 2011/07/07 09:16:06 jruoho Exp $ */
 
 /*
  * Written by J.T. Conklin <jtc%acorntoolworks.com@localhost>
@@ -11,6 +11,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <dlfcn.h>
+#include <unistd.h>
 
 static void    write_num(int);
 
@@ -135,10 +136,41 @@
        }
 }
 
+ATF_TC(strlen_huge);
+ATF_TC_HEAD(strlen_huge, tc)
+{
+        atf_tc_set_md_var(tc, "descr", "Test strlen(3) with huge strings");
+}
+
+ATF_TC_BODY(strlen_huge, tc)
+{
+       long page;
+       char *str;
+       size_t i;
+
+       page = sysconf(_SC_PAGESIZE);
+       ATF_REQUIRE(page >= 0);
+
+       for (i = 1; i < 1000; i = i + 100) {
+
+               str = malloc(i * page + 1);
+
+               if (str == NULL)
+                       continue;
+
+               (void)memset(str, 'x', i * page);
+               str[i * page + 1] = '\0';
+
+               ATF_REQUIRE(strlen(str) == i * page);
+               free(str);
+       }
+}
+
 ATF_TP_ADD_TCS(tp)
 {
 
        ATF_TP_ADD_TC(tp, strlen_basic);
+       ATF_TP_ADD_TC(tp, strlen_huge);
 
        return atf_no_error();
 }