63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
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// 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, const char *exp, 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}, 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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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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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), "0" },
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{ U128(0, 0, 0, 1), "1" },
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{ U128(0, 0, 0, 10), "10" },
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{ U128(4, 3, 2, 1), "316912650112397582603894390785" },
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{
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U128(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff),
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"340282366920938463463374607431768211455"
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},
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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_string(test->val);
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check_str(test->val, 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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