diff options
Diffstat (limited to 'lib/tests')
| -rw-r--r-- | lib/tests/Makefile | 1 | ||||
| -rw-r--r-- | lib/tests/glob_kunit.c | 125 |
2 files changed, 126 insertions, 0 deletions
diff --git a/lib/tests/Makefile b/lib/tests/Makefile index 088b80d16383..ab3e74d0da9e 100644 --- a/lib/tests/Makefile +++ b/lib/tests/Makefile @@ -19,6 +19,7 @@ CFLAGS_fortify_kunit.o += $(DISABLE_STRUCTLEAK_PLUGIN) obj-$(CONFIG_FORTIFY_KUNIT_TEST) += fortify_kunit.o CFLAGS_test_fprobe.o += $(CC_FLAGS_FTRACE) obj-$(CONFIG_FPROBE_SANITY_TEST) += test_fprobe.o +obj-$(CONFIG_GLOB_KUNIT_TEST) += glob_kunit.o obj-$(CONFIG_HASHTABLE_KUNIT_TEST) += hashtable_test.o obj-$(CONFIG_HASH_KUNIT_TEST) += test_hash.o obj-$(CONFIG_TEST_IOV_ITER) += kunit_iov_iter.o diff --git a/lib/tests/glob_kunit.c b/lib/tests/glob_kunit.c new file mode 100644 index 000000000000..362b1eda8e5b --- /dev/null +++ b/lib/tests/glob_kunit.c @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: MIT OR GPL-2.0 +/* + * Test cases for glob functions. + */ + +#include <kunit/test.h> +#include <linux/glob.h> +#include <linux/module.h> + +/** + * struct glob_test_case - Test case for glob matching. + * @pat: Pattern to match. + * @str: String to match against. + * @expected: Expected glob_match result, true if matched. + */ +struct glob_test_case { + const char *pat; + const char *str; + bool expected; +}; + +static const struct glob_test_case glob_test_cases[] = { + /* Some basic tests */ + { .pat = "a", .str = "a", .expected = true }, + { .pat = "a", .str = "b", .expected = false }, + { .pat = "a", .str = "aa", .expected = false }, + { .pat = "a", .str = "", .expected = false }, + { .pat = "", .str = "", .expected = true }, + { .pat = "", .str = "a", .expected = false }, + /* Simple character class tests */ + { .pat = "[a]", .str = "a", .expected = true }, + { .pat = "[a]", .str = "b", .expected = false }, + { .pat = "[!a]", .str = "a", .expected = false }, + { .pat = "[!a]", .str = "b", .expected = true }, + { .pat = "[ab]", .str = "a", .expected = true }, + { .pat = "[ab]", .str = "b", .expected = true }, + { .pat = "[ab]", .str = "c", .expected = false }, + { .pat = "[!ab]", .str = "c", .expected = true }, + { .pat = "[a-c]", .str = "b", .expected = true }, + { .pat = "[a-c]", .str = "d", .expected = false }, + /* Corner cases in character class parsing */ + { .pat = "[a-c-e-g]", .str = "-", .expected = true }, + { .pat = "[a-c-e-g]", .str = "d", .expected = false }, + { .pat = "[a-c-e-g]", .str = "f", .expected = true }, + { .pat = "[]a-ceg-ik[]", .str = "a", .expected = true }, + { .pat = "[]a-ceg-ik[]", .str = "]", .expected = true }, + { .pat = "[]a-ceg-ik[]", .str = "[", .expected = true }, + { .pat = "[]a-ceg-ik[]", .str = "h", .expected = true }, + { .pat = "[]a-ceg-ik[]", .str = "f", .expected = false }, + { .pat = "[!]a-ceg-ik[]", .str = "h", .expected = false }, + { .pat = "[!]a-ceg-ik[]", .str = "]", .expected = false }, + { .pat = "[!]a-ceg-ik[]", .str = "f", .expected = true }, + /* Simple wild cards */ + { .pat = "?", .str = "a", .expected = true }, + { .pat = "?", .str = "aa", .expected = false }, + { .pat = "??", .str = "a", .expected = false }, + { .pat = "?x?", .str = "axb", .expected = true }, + { .pat = "?x?", .str = "abx", .expected = false }, + { .pat = "?x?", .str = "xab", .expected = false }, + /* Asterisk wild cards (backtracking) */ + { .pat = "*??", .str = "a", .expected = false }, + { .pat = "*??", .str = "ab", .expected = true }, + { .pat = "*??", .str = "abc", .expected = true }, + { .pat = "*??", .str = "abcd", .expected = true }, + { .pat = "??*", .str = "a", .expected = false }, + { .pat = "??*", .str = "ab", .expected = true }, + { .pat = "??*", .str = "abc", .expected = true }, + { .pat = "??*", .str = "abcd", .expected = true }, + { .pat = "?*?", .str = "a", .expected = false }, + { .pat = "?*?", .str = "ab", .expected = true }, + { .pat = "?*?", .str = "abc", .expected = true }, + { .pat = "?*?", .str = "abcd", .expected = true }, + { .pat = "*b", .str = "b", .expected = true }, + { .pat = "*b", .str = "ab", .expected = true }, + { .pat = "*b", .str = "ba", .expected = false }, + { .pat = "*b", .str = "bb", .expected = true }, + { .pat = "*b", .str = "abb", .expected = true }, + { .pat = "*b", .str = "bab", .expected = true }, + { .pat = "*bc", .str = "abbc", .expected = true }, + { .pat = "*bc", .str = "bc", .expected = true }, + { .pat = "*bc", .str = "bbc", .expected = true }, + { .pat = "*bc", .str = "bcbc", .expected = true }, + /* Multiple asterisks (complex backtracking) */ + { .pat = "*ac*", .str = "abacadaeafag", .expected = true }, + { .pat = "*ac*ae*ag*", .str = "abacadaeafag", .expected = true }, + { .pat = "*a*b*[bc]*[ef]*g*", .str = "abacadaeafag", .expected = true }, + { .pat = "*a*b*[ef]*[cd]*g*", .str = "abacadaeafag", .expected = false }, + { .pat = "*abcd*", .str = "abcabcabcabcdefg", .expected = true }, + { .pat = "*ab*cd*", .str = "abcabcabcabcdefg", .expected = true }, + { .pat = "*abcd*abcdef*", .str = "abcabcdabcdeabcdefg", .expected = true }, + { .pat = "*abcd*", .str = "abcabcabcabcefg", .expected = false }, + { .pat = "*ab*cd*", .str = "abcabcabcabcefg", .expected = false }, +}; + +static void glob_case_to_desc(const struct glob_test_case *t, char *desc) +{ + snprintf(desc, KUNIT_PARAM_DESC_SIZE, "pat:\"%s\" str:\"%s\"", t->pat, t->str); +} + +KUNIT_ARRAY_PARAM(glob, glob_test_cases, glob_case_to_desc); + +static void glob_test_match(struct kunit *test) +{ + const struct glob_test_case *params = test->param_value; + + KUNIT_EXPECT_EQ_MSG(test, + glob_match(params->pat, params->str), + params->expected, + "Pattern: \"%s\", String: \"%s\", Expected: %d", + params->pat, params->str, params->expected); +} + +static struct kunit_case glob_kunit_test_cases[] = { + KUNIT_CASE_PARAM(glob_test_match, glob_gen_params), + {} +}; + +static struct kunit_suite glob_test_suite = { + .name = "glob", + .test_cases = glob_kunit_test_cases, +}; + +kunit_test_suite(glob_test_suite); +MODULE_DESCRIPTION("Test cases for glob functions"); +MODULE_LICENSE("Dual MIT/GPL"); |