diff options
| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2022-04-29 14:38:00 -0700 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-04-29 14:38:00 -0700 |
| commit | e0fa2ab3fcff42b8c2ed906f5619aae896e1e5e1 (patch) | |
| tree | 1e224f827ec406321979111217db7e5faafd0b92 /lib/test_string.c | |
| parent | 67fca000e1e173fe2c539a127ccf1bc338d5ff37 (diff) | |
lib/test_string.c: add strspn and strcspn tests
Before refactoring strspn() and strcspn(), add some simple test cases.
Link: https://lkml.kernel.org/r/20220328224119.3003834-1-linux@rasmusvillemoes.dk
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/test_string.c')
| -rw-r--r-- | lib/test_string.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/test_string.c b/lib/test_string.c index 9dfd6f52de92..c5cb92fb710e 100644 --- a/lib/test_string.c +++ b/lib/test_string.c @@ -179,6 +179,34 @@ static __init int strnchr_selftest(void) return 0; } +static __init int strspn_selftest(void) +{ + static const struct strspn_test { + const char str[16]; + const char accept[16]; + const char reject[16]; + unsigned a; + unsigned r; + } tests[] __initconst = { + { "foobar", "", "", 0, 6 }, + { "abba", "abc", "ABBA", 4, 4 }, + { "abba", "a", "b", 1, 1 }, + { "", "abc", "abc", 0, 0}, + }; + const struct strspn_test *s = tests; + size_t i, res; + + for (i = 0; i < ARRAY_SIZE(tests); ++i, ++s) { + res = strspn(s->str, s->accept); + if (res != s->a) + return 0x100 + 2*i; + res = strcspn(s->str, s->reject); + if (res != s->r) + return 0x100 + 2*i + 1; + } + return 0; +} + static __exit void string_selftest_remove(void) { } @@ -212,6 +240,11 @@ static __init int string_selftest_init(void) if (subtest) goto fail; + test = 6; + subtest = strspn_selftest(); + if (subtest) + goto fail; + pr_info("String selftests succeeded\n"); return 0; fail: |