shared/tests: add test for unaligned reads

This commit is contained in:
Thomas Haller 2019-02-18 10:22:40 +01:00
parent fefb965cfe
commit 014d6a2c78

View file

@ -23,6 +23,7 @@
#include "nm-utils/nm-time-utils.h"
#include "nm-utils/nm-random-utils.h"
#include "nm-utils/unaligned.h"
#include "nm-utils/nm-test-utils.h"
@ -217,6 +218,36 @@ test_nm_ip4_addr_is_localhost (void)
/*****************************************************************************/
static void
test_unaligned (void)
{
int shift;
for (shift = 0; shift <= 32; shift++) {
guint8 buf[100] = { };
guint8 val = 0;
while (val == 0)
val = nmtst_get_rand_int () % 256;
buf[shift] = val;
g_assert_cmpint (unaligned_read_le64 (&buf[shift]), ==, (guint64) val);
g_assert_cmpint (unaligned_read_be64 (&buf[shift]), ==, ((guint64) val) << 56);
g_assert_cmpint (unaligned_read_ne64 (&buf[shift]), !=, 0);
g_assert_cmpint (unaligned_read_le32 (&buf[shift]), ==, (guint32) val);
g_assert_cmpint (unaligned_read_be32 (&buf[shift]), ==, ((guint32) val) << 24);
g_assert_cmpint (unaligned_read_ne32 (&buf[shift]), !=, 0);
g_assert_cmpint (unaligned_read_le16 (&buf[shift]), ==, (guint16) val);
g_assert_cmpint (unaligned_read_be16 (&buf[shift]), ==, ((guint16) val) << 8);
g_assert_cmpint (unaligned_read_ne16 (&buf[shift]), !=, 0);
}
}
/*****************************************************************************/
NMTST_DEFINE ();
int main (int argc, char **argv)
@ -229,6 +260,7 @@ int main (int argc, char **argv)
g_test_add_func ("/general/test_nm_strdup_int", test_nm_strdup_int);
g_test_add_func ("/general/test_nm_strndup_a", test_nm_strndup_a);
g_test_add_func ("/general/test_nm_ip4_addr_is_localhost", test_nm_ip4_addr_is_localhost);
g_test_add_func ("/general/test_unaligned", test_unaligned);
return g_test_run ();
}