diff options
Diffstat (limited to 'lib/math/rational-test.c')
-rw-r--r-- | lib/math/rational-test.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/lib/math/rational-test.c b/lib/math/rational-test.c deleted file mode 100644 index 01611ddff420..000000000000 --- a/lib/math/rational-test.c +++ /dev/null @@ -1,56 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -#include <kunit/test.h> - -#include <linux/rational.h> - -struct rational_test_param { - unsigned long num, den; - unsigned long max_num, max_den; - unsigned long exp_num, exp_den; - - const char *name; -}; - -static const struct rational_test_param test_parameters[] = { - { 1230, 10, 100, 20, 100, 1, "Exceeds bounds, semi-convergent term > 1/2 last term" }, - { 34567,100, 120, 20, 120, 1, "Exceeds bounds, semi-convergent term < 1/2 last term" }, - { 1, 30, 100, 10, 0, 1, "Closest to zero" }, - { 1, 19, 100, 10, 1, 10, "Closest to smallest non-zero" }, - { 27,32, 16, 16, 11, 13, "Use convergent" }, - { 1155, 7735, 255, 255, 33, 221, "Exact answer" }, - { 87, 32, 70, 32, 68, 25, "Semiconvergent, numerator limit" }, - { 14533, 4626, 15000, 2400, 7433, 2366, "Semiconvergent, denominator limit" }, -}; - -static void get_desc(const struct rational_test_param *param, char *desc) -{ - strscpy(desc, param->name, KUNIT_PARAM_DESC_SIZE); -} - -/* Creates function rational_gen_params */ -KUNIT_ARRAY_PARAM(rational, test_parameters, get_desc); - -static void rational_test(struct kunit *test) -{ - const struct rational_test_param *param = (const struct rational_test_param *)test->param_value; - unsigned long n = 0, d = 0; - - rational_best_approximation(param->num, param->den, param->max_num, param->max_den, &n, &d); - KUNIT_EXPECT_EQ(test, n, param->exp_num); - KUNIT_EXPECT_EQ(test, d, param->exp_den); -} - -static struct kunit_case rational_test_cases[] = { - KUNIT_CASE_PARAM(rational_test, rational_gen_params), - {} -}; - -static struct kunit_suite rational_test_suite = { - .name = "rational", - .test_cases = rational_test_cases, -}; - -kunit_test_suites(&rational_test_suite); - -MODULE_LICENSE("GPL v2"); |