1// SPDX-License-Identifier: GPL-2.0
2#include <inttypes.h>
3#include <linux/compiler.h>
4#include <linux/types.h>
5#include <string.h>
6#include "tests.h"
7#include "units.h"
8#include "debug.h"
9
10static int test__unit_number__scnprint(struct test_suite *t __maybe_unused, int subtest __maybe_unused)
11{
12	struct {
13		u64		 n;
14		const char	*str;
15	} test[] = {
16		{ 1,			"1B"	},
17		{ 10*1024,		"10K"	},
18		{ 20*1024*1024,		"20M"	},
19		{ 30*1024*1024*1024ULL,	"30G"	},
20		{ 0,			"0B"	},
21		{ 0,			NULL	},
22	};
23	unsigned i = 0;
24
25	while (test[i].str) {
26		char buf[100];
27
28		unit_number__scnprintf(buf, sizeof(buf), test[i].n);
29
30		pr_debug("n %" PRIu64 ", str '%s', buf '%s'\n",
31			 test[i].n, test[i].str, buf);
32
33		if (strcmp(test[i].str, buf))
34			return TEST_FAIL;
35
36		i++;
37	}
38
39	return TEST_OK;
40}
41
42DEFINE_SUITE("unit_number__scnprintf", unit_number__scnprint);
43