43 lines · c
1// SPDX-License-Identifier: GPL-2.02#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