From dc3f3471f8a00ce0c8fb4cbf2a31e299696f3bbc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 31 Jan 2023 05:13:00 +0100 Subject: Adding upstream version 2.3. Signed-off-by: Daniel Baumann --- unit/test-uint128-si.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 unit/test-uint128-si.c (limited to 'unit/test-uint128-si.c') diff --git a/unit/test-uint128-si.c b/unit/test-uint128-si.c new file mode 100644 index 0000000..cc13450 --- /dev/null +++ b/unit/test-uint128-si.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include +#include +#include + +#include "../util/types.h" + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) + +/* create a uint128_t from four uint32_ts. w0 is the most significant value, + * w2 the least */ +#define U128(w0, w1, w2, w3) { .words = { w0, w1, w2, w3 } } + +static int test_rc; + +static void check_str(nvme_uint128_t val, __u32 bytes_per_unit, const char *exp, + const char *res) +{ + if (!strcmp(res, exp)) + return; + + printf("ERROR: printing {%08x.%08x.%08x.%08x} (bytes per unit %u), got '%s', expected '%s'\n", + val.words[3], val.words[2], val.words[1], val.words[0], + bytes_per_unit, res, exp); + + test_rc = 1; +} + +struct tostr_test { + nvme_uint128_t val; + __u32 bytes_per_unit; + const char *exp; +}; + +static struct tostr_test tostr_tests[] = { + { U128(0, 0, 0, 0), 1, "0.00 B" }, + { U128(0, 0, 0, 1), 1, "1.00 B" }, + { U128(0, 0, 0, 10), 1, "10.00 B" }, + { U128(4, 3, 2, 1), 1, "316.91 RB" }, + { U128(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), 1, + "340282366.92 QB" }, + { U128(0, 0, 0, 0xae0dc2), 1000 * 512, "5.84 TB" }, + { U128(0, 0, 0, 0xf9c546), 1000 * 512, "8.38 TB" }, + { U128(0, 0, 0, 0x4c2aa594), 1000 * 512, "654.27 TB" }, + { U128(0, 0, 0, 0x5b013de8), 1000 * 512, "781.73 TB" }, +}; + +void tostr_test(struct tostr_test *test) +{ + char *str; + str = uint128_t_to_si_string(test->val, test->bytes_per_unit); + check_str(test->val, test->bytes_per_unit, test->exp, str); +} + +int main(void) +{ + unsigned int i; + + test_rc = 0; + + for (i = 0; i < ARRAY_SIZE(tostr_tests); i++) + tostr_test(&tostr_tests[i]); + + return test_rc ? EXIT_FAILURE : EXIT_SUCCESS; +} -- cgit v1.2.3