// SPDX-License-Identifier: GPL-2.0
#include <inttypes.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include <string.h>
#include "tests.h"
#include "units.h"
#include "debug.h"

static int test__unit_number__scnprint(struct test_suite *t __maybe_unused, int subtest __maybe_unused)
{
        struct {
                u64              n;
                const char      *str;
        } test[] = {
                { 1,                    "1B"    },
                { 10*1024,              "10K"   },
                { 20*1024*1024,         "20M"   },
                { 30*1024*1024*1024ULL, "30G"   },
                { 0,                    "0B"    },
                { 0,                    NULL    },
        };
        unsigned i = 0;

        while (test[i].str) {
                char buf[100];

                unit_number__scnprintf(buf, sizeof(buf), test[i].n);

                pr_debug("n %" PRIu64 ", str '%s', buf '%s'\n",
                         test[i].n, test[i].str, buf);

                if (strcmp(test[i].str, buf))
                        return TEST_FAIL;

                i++;
        }

        return TEST_OK;
}

DEFINE_SUITE("unit_number__scnprintf", unit_number__scnprint);