mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-13 00:03:26 +09:00
![Sean Anderson](/assets/img/avatar_default.png)
This test is adapted from glibc, which is very concerned about alignment. It also tests strlcpy by dependency. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
127 lines
3.2 KiB
C
127 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.1+
|
|
/*
|
|
* Copyright (C) 2021 Sean Anderson <seanga2@gmail.com>
|
|
* Copyright (C) 2011-2021 Free Software Foundation, Inc.
|
|
*
|
|
* These tests adapted from glibc's string/test-strncat.c
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <test/lib.h>
|
|
#include <test/test.h>
|
|
#include <test/ut.h>
|
|
|
|
#define BUF_SIZE 4096
|
|
char buf1[BUF_SIZE], buf2[BUF_SIZE];
|
|
|
|
static int do_test_strlcat(struct unit_test_state *uts, int line, size_t align1,
|
|
size_t align2, size_t len1, size_t len2, size_t n)
|
|
{
|
|
char *s1, *s2;
|
|
size_t i, len, expected, actual;
|
|
|
|
align1 &= 7;
|
|
if (align1 + len1 >= BUF_SIZE)
|
|
return 0;
|
|
if (align1 + n > BUF_SIZE)
|
|
return 0;
|
|
|
|
align2 &= 7;
|
|
if (align2 + len1 + len2 >= BUF_SIZE)
|
|
return 0;
|
|
if (align2 + len1 + n > BUF_SIZE)
|
|
return 0;
|
|
|
|
s1 = buf1 + align1;
|
|
s2 = buf2 + align2;
|
|
|
|
for (i = 0; i < len1 - 1; i++)
|
|
s1[i] = 32 + 23 * i % (127 - 32);
|
|
s1[len1 - 1] = '\0';
|
|
|
|
for (i = 0; i < len2 - 1; i++)
|
|
s2[i] = 32 + 23 * i % (127 - 32);
|
|
s2[len2 - 1] = '\0';
|
|
|
|
expected = len2 < n ? min(len1 + len2 - 1, n) : n;
|
|
actual = strlcat(s2, s1, n);
|
|
if (expected != actual) {
|
|
ut_failf(uts, __FILE__, line, __func__,
|
|
"strlcat(s2, s1, 2) == len2 < n ? min(len1 + len2, n) : n",
|
|
"Expected %#lx (%ld), got %#lx (%ld)",
|
|
expected, expected, actual, actual);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
len = min3(len1, n - len2, (size_t)0);
|
|
if (memcmp(s2 + len2, s1, len)) {
|
|
ut_failf(uts, __FILE__, line, __func__,
|
|
"s2 + len1 == s1",
|
|
"Expected \"%.*s\", got \"%.*s\"",
|
|
(int)len, s1, (int)len, s2 + len2);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
i = min(n, len1 + len2 - 1) - 1;
|
|
if (len2 < n && s2[i] != '\0') {
|
|
ut_failf(uts, __FILE__, line, __func__,
|
|
"n < len1 && s2[len2 + n] == '\\0'",
|
|
"Expected s2[%ld] = '\\0', got %d ('%c')",
|
|
i, s2[i], s2[i]);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define test_strlcat(align1, align2, len1, len2, n) do { \
|
|
int ret = do_test_strlcat(uts, __LINE__, align1, align2, len1, len2, \
|
|
n); \
|
|
if (ret) \
|
|
return ret; \
|
|
} while (0)
|
|
|
|
static int lib_test_strlcat(struct unit_test_state *uts)
|
|
{
|
|
size_t i, n;
|
|
|
|
test_strlcat(0, 2, 2, 2, SIZE_MAX);
|
|
test_strlcat(0, 0, 4, 4, SIZE_MAX);
|
|
test_strlcat(4, 0, 4, 4, SIZE_MAX);
|
|
test_strlcat(0, 0, 8, 8, SIZE_MAX);
|
|
test_strlcat(0, 8, 8, 8, SIZE_MAX);
|
|
|
|
for (i = 1; i < 8; i++) {
|
|
test_strlcat(0, 0, 8 << i, 8 << i, SIZE_MAX);
|
|
test_strlcat(8 - i, 2 * i, 8 << i, 8 << i, SIZE_MAX);
|
|
test_strlcat(0, 0, 8 << i, 2 << i, SIZE_MAX);
|
|
test_strlcat(8 - i, 2 * i, 8 << i, 2 << i, SIZE_MAX);
|
|
|
|
test_strlcat(i, 2 * i, 8 << i, 1, SIZE_MAX);
|
|
test_strlcat(2 * i, i, 8 << i, 1, SIZE_MAX);
|
|
test_strlcat(i, i, 8 << i, 10, SIZE_MAX);
|
|
}
|
|
|
|
for (n = 2; n <= 2048; n *= 4) {
|
|
test_strlcat(0, 2, 2, 2, n);
|
|
test_strlcat(0, 0, 4, 4, n);
|
|
test_strlcat(4, 0, 4, 4, n);
|
|
test_strlcat(0, 0, 8, 8, n);
|
|
test_strlcat(0, 8, 8, 8, n);
|
|
|
|
for (i = 1; i < 8; i++) {
|
|
test_strlcat(0, 0, 8 << i, 8 << i, n);
|
|
test_strlcat(8 - i, 2 * i, 8 << i, 8 << i, n);
|
|
test_strlcat(0, 0, 8 << i, 2 << i, n);
|
|
test_strlcat(8 - i, 2 * i, 8 << i, 2 << i, n);
|
|
|
|
test_strlcat(i, 2 * i, 8 << i, 1, n);
|
|
test_strlcat(2 * i, i, 8 << i, 1, n);
|
|
test_strlcat(i, i, 8 << i, 10, n);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
LIB_TEST(lib_test_strlcat, 0);
|