-
-#[cfg(test)]
-mod tests {
- // test the implementations for the current platform
- use super::{memchr, memrchr};
-
- #[test]
- fn matches_one() {
- assert_eq!(Some(0), memchr(b'a', b"a"));
- }
-
- #[test]
- fn matches_begin() {
- assert_eq!(Some(0), memchr(b'a', b"aaaa"));
- }
-
- #[test]
- fn matches_end() {
- assert_eq!(Some(4), memchr(b'z', b"aaaaz"));
- }
-
- #[test]
- fn matches_nul() {
- assert_eq!(Some(4), memchr(b'\x00', b"aaaa\x00"));
- }
-
- #[test]
- fn matches_past_nul() {
- assert_eq!(Some(5), memchr(b'z', b"aaaa\x00z"));
- }
-
- #[test]
- fn no_match_empty() {
- assert_eq!(None, memchr(b'a', b""));
- }
-
- #[test]
- fn no_match() {
- assert_eq!(None, memchr(b'a', b"xyz"));
- }
-
- #[test]
- fn matches_one_reversed() {
- assert_eq!(Some(0), memrchr(b'a', b"a"));
- }
-
- #[test]
- fn matches_begin_reversed() {
- assert_eq!(Some(3), memrchr(b'a', b"aaaa"));
- }
-
- #[test]
- fn matches_end_reversed() {
- assert_eq!(Some(0), memrchr(b'z', b"zaaaa"));
- }
-
- #[test]
- fn matches_nul_reversed() {
- assert_eq!(Some(4), memrchr(b'\x00', b"aaaa\x00"));
- }
-
- #[test]
- fn matches_past_nul_reversed() {
- assert_eq!(Some(0), memrchr(b'z', b"z\x00aaaa"));
- }
-
- #[test]
- fn no_match_empty_reversed() {
- assert_eq!(None, memrchr(b'a', b""));
- }
-
- #[test]
- fn no_match_reversed() {
- assert_eq!(None, memrchr(b'a', b"xyz"));
- }
-
- #[test]
- fn each_alignment() {
- let mut data = [1u8; 64];
- let needle = 2;
- let pos = 40;
- data[pos] = needle;
- for start in 0..16 {
- assert_eq!(Some(pos - start), memchr(needle, &data[start..]));
- }
- }
-}