diff options
Diffstat (limited to 'lib/cmdline_kunit.c')
| -rw-r--r-- | lib/cmdline_kunit.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/lib/cmdline_kunit.c b/lib/cmdline_kunit.c deleted file mode 100644 index c1602f797637..000000000000 --- a/lib/cmdline_kunit.c +++ /dev/null @@ -1,157 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Test cases for API provided by cmdline.c - */ - -#include <kunit/test.h> -#include <linux/kernel.h> -#include <linux/random.h> -#include <linux/string.h> - -static const char *cmdline_test_strings[] = { - "\"\"", "" , "=" , "\"-", "," , "-," , ",-" , "-" , - "+," , "--", ",,", "''" , "\"\",", "\",\"", "-\"\"", "\"", -}; - -static const int cmdline_test_values[] = { - 1, 1, 1, 1, 2, 3, 2, 3, - 1, 3, 2, 1, 1, 1, 3, 1, -}; - -static_assert(ARRAY_SIZE(cmdline_test_strings) == ARRAY_SIZE(cmdline_test_values)); - -static const char *cmdline_test_range_strings[] = { - "-7" , "--7" , "-1-2" , "7--9", - "7-" , "-7--9", "7-9," , "9-7" , - "5-a", "a-5" , "5-8" , ",8-5", - "+,1", "-,4" , "-3,0-1,6", "4,-" , - " +2", " -9" , "0-1,-3,6", "- 9" , -}; - -static const int cmdline_test_range_values[][16] = { - { 1, -7, }, { 0, -0, }, { 4, -1, 0, +1, 2, }, { 0, 7, }, - { 0, +7, }, { 0, -7, }, { 3, +7, 8, +9, 0, }, { 0, 9, }, - { 0, +5, }, { 0, -0, }, { 4, +5, 6, +7, 8, }, { 0, 0, }, - { 0, +0, }, { 0, -0, }, { 4, -3, 0, +1, 6, }, { 1, 4, }, - { 0, +0, }, { 0, -0, }, { 4, +0, 1, -3, 6, }, { 0, 0, }, -}; - -static_assert(ARRAY_SIZE(cmdline_test_range_strings) == ARRAY_SIZE(cmdline_test_range_values)); - -static void cmdline_do_one_test(struct kunit *test, const char *in, int rc, int offset) -{ - const char *fmt = "Pattern: %s"; - const char *out = in; - int dummy; - int ret; - - ret = get_option((char **)&out, &dummy); - - KUNIT_EXPECT_EQ_MSG(test, ret, rc, fmt, in); - KUNIT_EXPECT_PTR_EQ_MSG(test, out, in + offset, fmt, in); -} - -static void cmdline_test_noint(struct kunit *test) -{ - unsigned int i = 0; - - do { - const char *str = cmdline_test_strings[i]; - int rc = 0; - int offset; - - /* Only first and leading '-' will advance the pointer */ - offset = !!(*str == '-'); - cmdline_do_one_test(test, str, rc, offset); - } while (++i < ARRAY_SIZE(cmdline_test_strings)); -} - -static void cmdline_test_lead_int(struct kunit *test) -{ - unsigned int i = 0; - char in[32]; - - do { - const char *str = cmdline_test_strings[i]; - int rc = cmdline_test_values[i]; - int offset; - - sprintf(in, "%u%s", get_random_u8(), str); - /* Only first '-' after the number will advance the pointer */ - offset = strlen(in) - strlen(str) + !!(rc == 2); - cmdline_do_one_test(test, in, rc, offset); - } while (++i < ARRAY_SIZE(cmdline_test_strings)); -} - -static void cmdline_test_tail_int(struct kunit *test) -{ - unsigned int i = 0; - char in[32]; - - do { - const char *str = cmdline_test_strings[i]; - /* When "" or "-" the result will be valid integer */ - int rc = strcmp(str, "") ? (strcmp(str, "-") ? 0 : 1) : 1; - int offset; - - sprintf(in, "%s%u", str, get_random_u8()); - /* - * Only first and leading '-' not followed by integer - * will advance the pointer. - */ - offset = rc ? strlen(in) : !!(*str == '-'); - cmdline_do_one_test(test, in, rc, offset); - } while (++i < ARRAY_SIZE(cmdline_test_strings)); -} - -static void cmdline_do_one_range_test(struct kunit *test, const char *in, - unsigned int n, const int *e) -{ - unsigned int i; - int r[16]; - int *p; - - memset(r, 0, sizeof(r)); - get_options(in, ARRAY_SIZE(r), r); - KUNIT_EXPECT_EQ_MSG(test, r[0], e[0], "in test %u (parsed) expected %d numbers, got %d", - n, e[0], r[0]); - for (i = 1; i < ARRAY_SIZE(r); i++) - KUNIT_EXPECT_EQ_MSG(test, r[i], e[i], "in test %u at %u", n, i); - - memset(r, 0, sizeof(r)); - get_options(in, 0, r); - KUNIT_EXPECT_EQ_MSG(test, r[0], e[0], "in test %u (validated) expected %d numbers, got %d", - n, e[0], r[0]); - - p = memchr_inv(&r[1], 0, sizeof(r) - sizeof(r[0])); - KUNIT_EXPECT_PTR_EQ_MSG(test, p, NULL, "in test %u at %td out of bound", n, p - r); -} - -static void cmdline_test_range(struct kunit *test) -{ - unsigned int i = 0; - - do { - const char *str = cmdline_test_range_strings[i]; - const int *e = cmdline_test_range_values[i]; - - cmdline_do_one_range_test(test, str, i, e); - } while (++i < ARRAY_SIZE(cmdline_test_range_strings)); -} - -static struct kunit_case cmdline_test_cases[] = { - KUNIT_CASE(cmdline_test_noint), - KUNIT_CASE(cmdline_test_lead_int), - KUNIT_CASE(cmdline_test_tail_int), - KUNIT_CASE(cmdline_test_range), - {} -}; - -static struct kunit_suite cmdline_test_suite = { - .name = "cmdline", - .test_cases = cmdline_test_cases, -}; -kunit_test_suite(cmdline_test_suite); - -MODULE_DESCRIPTION("Test cases for API provided by cmdline.c"); -MODULE_LICENSE("GPL"); |