use leetcode::implement_strstr::str_str; use test_case::test_case; #[test_case("hello", "ll", 2; "simple")] #[test_case("aaaaa", "bba", -1; "not found")] #[test_case("aaaaa", "", 0; "empty needle")] fn test_implement_strstr(haystack: &str, needle: &str, expected: i32) { assert_eq!(str_str(haystack.to_string(), needle.to_string()), expected); }