diff options
Diffstat (limited to 'unit/test-uint128.c')
-rw-r--r-- | unit/test-uint128.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/unit/test-uint128.c b/unit/test-uint128.c new file mode 100644 index 0000000..f8478ef --- /dev/null +++ b/unit/test-uint128.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <locale.h> + +#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 { + const char *locale; + nvme_uint128_t val; + const char *exp; +}; + +static struct tostr_test tostr_tests[] = { + { NULL, U128(0, 0, 0, 0),"0" }, + { NULL, U128(0, 0, 0, 1), "1" }, + { NULL, U128(0, 0, 0, 10), "10" }, + { NULL, U128(4, 3, 2, 1), "316912650112397582603894390785" }, + { + NULL, + U128(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), + "340282366920938463463374607431768211455" + }, + { "fr_FR.utf-8", U128(0, 0, 0, 1000), "1\u202f000" }, +}; + +void tostr_test(struct tostr_test *test) +{ + char *str; + + if (!setlocale(LC_NUMERIC, test->locale)) + return; + + if (test->locale) + str = uint128_t_to_l10n_string(test->val); + else + 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; +} |