forked from mirror/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
|
|
* QEMU buffer_is_zero test
|
|
*
|
|
* Copyright (c) 2016 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qemu/cutils.h"
|
|
|
|
static char buffer[8 * 1024 * 1024];
|
|
|
|
static void test_1(void)
|
|
{
|
|
size_t s, a, o;
|
|
|
|
/* Basic positive test. */
|
|
g_assert(buffer_is_zero(buffer, sizeof(buffer)));
|
|
|
|
/* Basic negative test. */
|
|
buffer[sizeof(buffer) - 1] = 1;
|
|
g_assert(!buffer_is_zero(buffer, sizeof(buffer)));
|
|
buffer[sizeof(buffer) - 1] = 0;
|
|
|
|
/* Positive tests for size and alignment. */
|
|
for (a = 1; a <= 64; a++) {
|
|
for (s = 1; s < 1024; s++) {
|
|
buffer[a - 1] = 1;
|
|
buffer[a + s] = 1;
|
|
g_assert(buffer_is_zero(buffer + a, s));
|
|
buffer[a - 1] = 0;
|
|
buffer[a + s] = 0;
|
|
}
|
|
}
|
|
|
|
/* Negative tests for size, alignment, and the offset of the marker. */
|
|
for (a = 1; a <= 64; a++) {
|
|
for (s = 1; s < 1024; s++) {
|
|
for (o = 0; o < s; ++o) {
|
|
buffer[a + o] = 1;
|
|
g_assert(!buffer_is_zero(buffer + a, s));
|
|
buffer[a + o] = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void test_2(void)
|
|
{
|
|
if (g_test_perf()) {
|
|
test_1();
|
|
} else {
|
|
do {
|
|
test_1();
|
|
} while (test_buffer_is_zero_next_accel());
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
g_test_init(&argc, &argv, NULL);
|
|
g_test_add_func("/cutils/bufferiszero", test_2);
|
|
|
|
return g_test_run();
|
|
}
|