mirror_ubuntu-kernels/tools/perf/tests/is_printable_array.c

41 lines
957 B
C

// SPDX-License-Identifier: GPL-2.0
#include <linux/compiler.h>
#include <linux/kernel.h>
#include "tests.h"
#include "debug.h"
#include "print_binary.h"
static int test__is_printable_array(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
{
char buf1[] = { 'k', 'r', 4, 'v', 'a', 0 };
char buf2[] = { 'k', 'r', 'a', 'v', 4, 0 };
struct {
char *buf;
unsigned int len;
int ret;
} t[] = {
{ (char *) "krava", sizeof("krava"), 1 },
{ (char *) "krava", sizeof("krava") - 1, 0 },
{ (char *) "", sizeof(""), 1 },
{ (char *) "", 0, 0 },
{ NULL, 0, 0 },
{ buf1, sizeof(buf1), 0 },
{ buf2, sizeof(buf2), 0 },
};
unsigned int i;
for (i = 0; i < ARRAY_SIZE(t); i++) {
int ret;
ret = is_printable_array((char *) t[i].buf, t[i].len);
if (ret != t[i].ret) {
pr_err("failed: test %u\n", i);
return TEST_FAIL;
}
}
return TEST_OK;
}
DEFINE_SUITE("is_printable_array", is_printable_array);