66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "../util/types.h"
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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/* create a uint128_t from four uint32_ts. w0 is the most significant value,
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* w2 the least */
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#define U128(w0, w1, w2, w3) { .words = { w0, w1, w2, w3 } }
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static int test_rc;
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static void check_str(nvme_uint128_t val, __u32 bytes_per_unit, const char *exp,
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const char *res)
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{
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if (!strcmp(res, exp))
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return;
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printf("ERROR: printing {%08x.%08x.%08x.%08x} (bytes per unit %u), got '%s', expected '%s'\n",
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val.words[3], val.words[2], val.words[1], val.words[0],
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bytes_per_unit, res, exp);
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test_rc = 1;
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}
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struct tostr_test {
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nvme_uint128_t val;
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__u32 bytes_per_unit;
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const char *exp;
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};
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static struct tostr_test tostr_tests[] = {
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{ U128(0, 0, 0, 0), 1, "0.00 B" },
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{ U128(0, 0, 0, 1), 1, "1.00 B" },
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{ U128(0, 0, 0, 10), 1, "10.00 B" },
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{ U128(4, 3, 2, 1), 1, "316.91 RB" },
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{ U128(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), 1,
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"340282366.92 QB" },
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{ U128(0, 0, 0, 0xae0dc2), 1000 * 512, "5.84 TB" },
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{ U128(0, 0, 0, 0xf9c546), 1000 * 512, "8.38 TB" },
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{ U128(0, 0, 0, 0x4c2aa594), 1000 * 512, "654.27 TB" },
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{ U128(0, 0, 0, 0x5b013de8), 1000 * 512, "781.73 TB" },
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};
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void tostr_test(struct tostr_test *test)
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{
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char *str;
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str = uint128_t_to_si_string(test->val, test->bytes_per_unit);
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check_str(test->val, test->bytes_per_unit, test->exp, str);
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}
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int main(void)
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{
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unsigned int i;
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test_rc = 0;
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for (i = 0; i < ARRAY_SIZE(tostr_tests); i++)
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tostr_test(&tostr_tests[i]);
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return test_rc ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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