From 4ed089396bc7f14bcb94e80f0f9f4757fd8c48b7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 5 Nov 2022 19:23:30 +0100 Subject: Merging upstream version 2.2.1. Signed-off-by: Daniel Baumann --- tests/test-uint128.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 tests/test-uint128.c (limited to 'tests/test-uint128.c') diff --git a/tests/test-uint128.c b/tests/test-uint128.c new file mode 100644 index 0000000..6301a38 --- /dev/null +++ b/tests/test-uint128.c @@ -0,0 +1,62 @@ +// 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, const char *exp, const char *res) +{ + if (!strcmp(res, exp)) + return; + + printf("ERROR: printing {%08x.%08x.%08x.%08x}, got '%s', expected '%s'\n", + val.words[3], val.words[2], val.words[1], val.words[0], + res, exp); + + test_rc = 1; +} + +struct tostr_test { + nvme_uint128_t val; + const char *exp; +}; + +static struct tostr_test tostr_tests[] = { + { U128(0, 0, 0, 0), "0" }, + { U128(0, 0, 0, 1), "1" }, + { U128(0, 0, 0, 10), "10" }, + { U128(4, 3, 2, 1), "316912650112397582603894390785" }, + { + U128(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), + "340282366920938463463374607431768211455" + }, +}; + +void tostr_test(struct tostr_test *test) +{ + char *str; + str = uint128_t_to_string(test->val); + check_str(test->val, 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