From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v1 3/7] test_hexdump: go through all possible lengths of buffer
Date: Wed, 11 Nov 2015 18:35:14 +0200 [thread overview]
Message-ID: <1447259718-19647-4-git-send-email-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <1447259718-19647-1-git-send-email-andriy.shevchenko@linux.intel.com>
When test for overflow do iterate the buffer length in a range
0 .. BUF_SIZE.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
lib/test_hexdump.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/lib/test_hexdump.c b/lib/test_hexdump.c
index ed7c6a7..15a6440 100644
--- a/lib/test_hexdump.c
+++ b/lib/test_hexdump.c
@@ -126,17 +126,17 @@ static void __init test_hexdump_set(int rowsize, bool ascii)
test_hexdump(len, rowsize, 1, ascii);
}
-static void __init test_hexdump_overflow(bool ascii)
+static void __init test_hexdump_overflow(size_t buflen, bool ascii)
{
- char buf[56];
+ char buf[TEST_HEXDUMP_BUF_SIZE];
const char *t = test_data_1_le[0];
- size_t l = get_random_int() % sizeof(buf);
+ size_t l = buflen;
bool a;
int e, r;
memset(buf, ' ', sizeof(buf));
- r = hex_dump_to_buffer(data_b, 1, 16, 1, buf, l, ascii);
+ r = hex_dump_to_buffer(data_b, 1, 16, 1, buf, buflen, ascii);
if (ascii)
e = 50;
@@ -144,7 +144,7 @@ static void __init test_hexdump_overflow(bool ascii)
e = 2;
buf[e + 2] = '\0';
- if (!l) {
+ if (!buflen) {
a = r == e && buf[0] == ' ';
} else if (l < 3) {
a = r == e && buf[0] == '\0';
@@ -160,7 +160,7 @@ static void __init test_hexdump_overflow(bool ascii)
}
if (!a) {
- pr_err("Len: %zu rc: %u strlen: %zu\n", l, r, strlen(buf));
+ pr_err("Len: %zu rc: %u strlen: %zu\n", buflen, r, strlen(buf));
pr_err("Result: '%s'\n", buf);
}
}
@@ -180,11 +180,11 @@ static int __init test_hexdump_init(void)
for (i = 0; i < 16; i++)
test_hexdump_set(rowsize, true);
- for (i = 0; i < 16; i++)
- test_hexdump_overflow(false);
+ for (i = 0; i <= TEST_HEXDUMP_BUF_SIZE; i++)
+ test_hexdump_overflow(i, false);
- for (i = 0; i < 16; i++)
- test_hexdump_overflow(true);
+ for (i = 0; i <= TEST_HEXDUMP_BUF_SIZE; i++)
+ test_hexdump_overflow(i, true);
return -EINVAL;
}
--
2.6.2
next prev parent reply other threads:[~2015-11-11 16:37 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-11 16:35 [PATCH v1 0/7] hexdump: update test suite Andy Shevchenko
2015-11-11 16:35 ` [PATCH v1 1/7] test_hexdump: rename to test_hexdump Andy Shevchenko
2015-11-19 10:05 ` Rasmus Villemoes
2015-11-11 16:35 ` [PATCH v1 2/7] test_hexdump: introduce test_hexdump_prepare_test() helper Andy Shevchenko
2015-11-19 10:05 ` Rasmus Villemoes
2015-11-11 16:35 ` Andy Shevchenko [this message]
2015-11-19 10:07 ` [PATCH v1 3/7] test_hexdump: go through all possible lengths of buffer Rasmus Villemoes
2015-11-20 16:58 ` Andy Shevchenko
2015-11-23 8:59 ` Rasmus Villemoes
2015-11-26 15:22 ` Andy Shevchenko
2015-11-11 16:35 ` [PATCH v1 4/7] test_hexdump: replace magic numbers by their meaning Andy Shevchenko
2015-11-19 10:08 ` Rasmus Villemoes
2015-11-20 16:56 ` Andy Shevchenko
2015-11-11 16:35 ` [PATCH v1 5/7] test_hexdump: check all bytes in real buffer Andy Shevchenko
2015-11-19 10:11 ` Rasmus Villemoes
2015-11-20 16:55 ` Andy Shevchenko
2015-11-23 9:28 ` Rasmus Villemoes
2015-11-11 16:35 ` [PATCH v1 6/7] test_hexdump: test all possible group sizes for overflow Andy Shevchenko
2015-11-19 10:14 ` Rasmus Villemoes
2015-11-20 16:43 ` Andy Shevchenko
2015-11-23 9:36 ` Rasmus Villemoes
2015-11-11 16:35 ` [PATCH v1 7/7] test_hexdump: print statistics at the end Andy Shevchenko
2015-11-19 10:16 ` Rasmus Villemoes
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