1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <inttypes.h>
3*4882a593Smuzhiyun #include <linux/compiler.h>
4*4882a593Smuzhiyun #include <linux/types.h>
5*4882a593Smuzhiyun #include <string.h>
6*4882a593Smuzhiyun #include "tests.h"
7*4882a593Smuzhiyun #include "units.h"
8*4882a593Smuzhiyun #include "debug.h"
9*4882a593Smuzhiyun
test__unit_number__scnprint(struct test * t __maybe_unused,int subtest __maybe_unused)10*4882a593Smuzhiyun int test__unit_number__scnprint(struct test *t __maybe_unused, int subtest __maybe_unused)
11*4882a593Smuzhiyun {
12*4882a593Smuzhiyun struct {
13*4882a593Smuzhiyun u64 n;
14*4882a593Smuzhiyun const char *str;
15*4882a593Smuzhiyun } test[] = {
16*4882a593Smuzhiyun { 1, "1B" },
17*4882a593Smuzhiyun { 10*1024, "10K" },
18*4882a593Smuzhiyun { 20*1024*1024, "20M" },
19*4882a593Smuzhiyun { 30*1024*1024*1024ULL, "30G" },
20*4882a593Smuzhiyun { 0, "0B" },
21*4882a593Smuzhiyun { 0, NULL },
22*4882a593Smuzhiyun };
23*4882a593Smuzhiyun unsigned i = 0;
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun while (test[i].str) {
26*4882a593Smuzhiyun char buf[100];
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun unit_number__scnprintf(buf, sizeof(buf), test[i].n);
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun pr_debug("n %" PRIu64 ", str '%s', buf '%s'\n",
31*4882a593Smuzhiyun test[i].n, test[i].str, buf);
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun if (strcmp(test[i].str, buf))
34*4882a593Smuzhiyun return TEST_FAIL;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun i++;
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun return TEST_OK;
40*4882a593Smuzhiyun }
41