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// SPDX-License-Identifier: GPL-2.0-or-later
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "../util/types.h"
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
/* create a uint128_t from four uint32_ts. w0 is the most significant value,
* w2 the least */
#define U128(w0, w1, w2, w3) { .words = { w0, w1, w2, w3 } }
static int test_rc;
static void check_str(nvme_uint128_t val, const char *exp, const char *res)
{
if (!strcmp(res, exp))
return;
printf("ERROR: printing {%08x.%08x.%08x.%08x}, got '%s', expected '%s'\n",
val.words[3], val.words[2], val.words[1], val.words[0],
res, exp);
test_rc = 1;
}
struct tostr_test {
nvme_uint128_t val;
const char *exp;
};
static struct tostr_test tostr_tests[] = {
{ U128(0, 0, 0, 0), "0" },
{ U128(0, 0, 0, 1), "1" },
{ U128(0, 0, 0, 10), "10" },
{ U128(4, 3, 2, 1), "316912650112397582603894390785" },
{
U128(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff),
"340282366920938463463374607431768211455"
},
};
void tostr_test(struct tostr_test *test)
{
char *str;
str = uint128_t_to_string(test->val);
check_str(test->val, test->exp, str);
}
int main(void)
{
unsigned int i;
test_rc = 0;
for (i = 0; i < ARRAY_SIZE(tostr_tests); i++)
tostr_test(&tostr_tests[i]);
return test_rc ? EXIT_FAILURE : EXIT_SUCCESS;
}
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