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use regex::Regex;
macro_rules! regex {
($pattern:expr) => {
regex::Regex::new($pattern).unwrap()
};
}
#[test]
fn invalid_regexes_no_crash() {
assert!(Regex::new("(*)").is_err());
assert!(Regex::new("(?:?)").is_err());
assert!(Regex::new("(?)").is_err());
assert!(Regex::new("*").is_err());
}
#[test]
fn regression_many_repeat_stack_overflow() {
let re = regex!("^.{1,2500}");
assert_eq!(
vec![0..1],
re.find_iter("a").map(|m| m.range()).collect::<Vec<_>>()
);
}
#[test]
fn regression_invalid_repetition_expr() {
assert!(Regex::new("(?m){1,1}").is_err());
}
#[test]
fn regression_invalid_flags_expression() {
assert!(Regex::new("(((?x)))").is_ok());
}
#[test]
fn regression_captures_rep() {
let re = regex!(r"([a-f]){2}(?P<foo>[x-z])");
let caps = re.captures("abx").unwrap();
assert_eq!(&caps["foo"], "x");
}
#[cfg(feature = "unicode-perl")]
#[test]
fn regression_nfa_stops1() {
let re = regex::bytes::Regex::new(r"\bs(?:[ab])").unwrap();
assert_eq!(0, re.find_iter(b"s\xE4").count());
}
#[cfg(feature = "unicode")]
#[test]
fn regression_bad_word_boundary() {
let re = regex!(r#"(?i:(?:\b|_)win(?:32|64|dows)?(?:\b|_))"#);
let hay = "ubi-Darwin-x86_64.tar.gz";
assert!(!re.is_match(hay));
let hay = "ubi-Windows-x86_64.zip";
assert!(re.is_match(hay));
}
#[cfg(feature = "unicode-perl")]
#[test]
fn regression_unicode_perl_not_enabled() {
let pat = r"(\d+\s?(years|year|y))?\s?(\d+\s?(months|month|m))?\s?(\d+\s?(weeks|week|w))?\s?(\d+\s?(days|day|d))?\s?(\d+\s?(hours|hour|h))?";
assert!(Regex::new(pat).is_ok());
}
#[test]
fn regression_big_regex_overflow() {
let pat = r" {2147483516}{2147483416}{5}";
assert!(Regex::new(pat).is_err());
}
#[test]
fn regression_complete_literals_suffix_incorrect() {
let needles = vec![
"aA", "bA", "cA", "dA", "eA", "fA", "gA", "hA", "iA", "jA", "kA",
"lA", "mA", "nA", "oA", "pA", "qA", "rA", "sA", "tA", "uA", "vA",
"wA", "xA", "yA", "zA",
];
let pattern = needles.join("|");
let re = regex!(&pattern);
let hay = "FUBAR";
assert_eq!(0, re.find_iter(hay).count());
}