235 lines
6.8 KiB
Rust
235 lines
6.8 KiB
Rust
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#[test]
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fn empty_regex_empty_match() {
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let re = regex!("");
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assert_eq!(vec![(0, 0)], findall!(re, ""));
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}
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#[test]
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fn empty_regex_nonempty_match() {
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let re = regex!("");
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assert_eq!(vec![(0, 0), (1, 1), (2, 2), (3, 3)], findall!(re, "abc"));
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}
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#[test]
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fn one_zero_length_match() {
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let re = regex!(r"[0-9]*");
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assert_eq!(vec![(0, 0), (1, 2), (3, 4)], findall!(re, "a1b2"));
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}
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#[test]
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fn many_zero_length_match() {
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let re = regex!(r"[0-9]*");
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assert_eq!(
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vec![(0, 0), (1, 2), (3, 3), (4, 4), (5, 6)],
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findall!(re, "a1bbb2")
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);
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}
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#[test]
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fn many_sequential_zero_length_match() {
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let re = regex!(r"[0-9]?");
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assert_eq!(
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vec![(0, 0), (1, 2), (2, 3), (4, 5), (6, 6)],
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findall!(re, "a12b3c")
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);
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}
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#[test]
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fn quoted_bracket_set() {
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let re = regex!(r"([\x{5b}\x{5d}])");
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assert_eq!(vec![(0, 1), (1, 2)], findall!(re, "[]"));
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let re = regex!(r"([\[\]])");
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assert_eq!(vec![(0, 1), (1, 2)], findall!(re, "[]"));
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}
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#[test]
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fn first_range_starts_with_left_bracket() {
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let re = regex!(r"([\[-z])");
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assert_eq!(vec![(0, 1), (1, 2)], findall!(re, "[]"));
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}
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#[test]
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fn range_ends_with_escape() {
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let re = regex!(r"([\[-\x{5d}])");
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assert_eq!(vec![(0, 1), (1, 2)], findall!(re, "[]"));
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}
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#[test]
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fn empty_match_find_iter() {
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let re = regex!(r".*?");
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assert_eq!(vec![(0, 0), (1, 1), (2, 2), (3, 3)], findall!(re, "abc"));
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}
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#[test]
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fn empty_match_captures_iter() {
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let re = regex!(r".*?");
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let ms: Vec<_> = re
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.captures_iter(text!("abc"))
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.map(|c| c.get(0).unwrap())
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.map(|m| (m.start(), m.end()))
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.collect();
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assert_eq!(ms, vec![(0, 0), (1, 1), (2, 2), (3, 3)]);
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}
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#[test]
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fn capture_names() {
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let re = regex!(r"(.)(?P<a>.)");
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assert_eq!(3, re.captures_len());
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assert_eq!((3, Some(3)), re.capture_names().size_hint());
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assert_eq!(
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vec![None, None, Some("a")],
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re.capture_names().collect::<Vec<_>>()
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);
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}
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#[test]
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fn regex_string() {
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assert_eq!(r"[a-zA-Z0-9]+", regex!(r"[a-zA-Z0-9]+").as_str());
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assert_eq!(r"[a-zA-Z0-9]+", &format!("{}", regex!(r"[a-zA-Z0-9]+")));
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assert_eq!(r"[a-zA-Z0-9]+", &format!("{:?}", regex!(r"[a-zA-Z0-9]+")));
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}
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#[test]
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fn capture_index() {
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let re = regex!(r"^(?P<name>.+)$");
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let cap = re.captures(t!("abc")).unwrap();
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assert_eq!(&cap[0], t!("abc"));
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assert_eq!(&cap[1], t!("abc"));
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assert_eq!(&cap["name"], t!("abc"));
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}
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#[test]
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#[should_panic]
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#[cfg_attr(all(target_env = "msvc", target_pointer_width = "32"), ignore)]
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fn capture_index_panic_usize() {
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let re = regex!(r"^(?P<name>.+)$");
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let cap = re.captures(t!("abc")).unwrap();
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let _ = cap[2];
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}
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#[test]
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#[should_panic]
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#[cfg_attr(all(target_env = "msvc", target_pointer_width = "32"), ignore)]
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fn capture_index_panic_name() {
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let re = regex!(r"^(?P<name>.+)$");
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let cap = re.captures(t!("abc")).unwrap();
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let _ = cap["bad name"];
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}
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#[test]
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fn capture_index_lifetime() {
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// This is a test of whether the types on `caps["..."]` are general
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// enough. If not, this will fail to typecheck.
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fn inner(s: &str) -> usize {
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let re = regex!(r"(?P<number>[0-9]+)");
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let caps = re.captures(t!(s)).unwrap();
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caps["number"].len()
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}
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assert_eq!(3, inner("123"));
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}
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#[test]
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fn capture_misc() {
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let re = regex!(r"(.)(?P<a>a)?(.)(?P<b>.)");
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let cap = re.captures(t!("abc")).unwrap();
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assert_eq!(5, cap.len());
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assert_eq!((0, 3), {
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let m = cap.get(0).unwrap();
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(m.start(), m.end())
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});
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assert_eq!(None, cap.get(2));
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assert_eq!((2, 3), {
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let m = cap.get(4).unwrap();
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(m.start(), m.end())
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});
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assert_eq!(t!("abc"), match_text!(cap.get(0).unwrap()));
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assert_eq!(None, cap.get(2));
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assert_eq!(t!("c"), match_text!(cap.get(4).unwrap()));
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assert_eq!(None, cap.name("a"));
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assert_eq!(t!("c"), match_text!(cap.name("b").unwrap()));
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}
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#[test]
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fn sub_capture_matches() {
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let re = regex!(r"([a-z])(([a-z])|([0-9]))");
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let cap = re.captures(t!("a5")).unwrap();
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let subs: Vec<_> = cap.iter().collect();
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assert_eq!(5, subs.len());
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assert!(subs[0].is_some());
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assert!(subs[1].is_some());
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assert!(subs[2].is_some());
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assert!(subs[3].is_none());
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assert!(subs[4].is_some());
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assert_eq!(t!("a5"), match_text!(subs[0].unwrap()));
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assert_eq!(t!("a"), match_text!(subs[1].unwrap()));
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assert_eq!(t!("5"), match_text!(subs[2].unwrap()));
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assert_eq!(t!("5"), match_text!(subs[4].unwrap()));
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}
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expand!(expand1, r"(?-u)(?P<foo>\w+)", "abc", "$foo", "abc");
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expand!(expand2, r"(?-u)(?P<foo>\w+)", "abc", "$0", "abc");
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expand!(expand3, r"(?-u)(?P<foo>\w+)", "abc", "$1", "abc");
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expand!(expand4, r"(?-u)(?P<foo>\w+)", "abc", "$$1", "$1");
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expand!(expand5, r"(?-u)(?P<foo>\w+)", "abc", "$$foo", "$foo");
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expand!(expand6, r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)", "abc 123", "$b$a", "123abc");
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expand!(expand7, r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)", "abc 123", "z$bz$az", "z");
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expand!(
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expand8,
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r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)",
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"abc 123",
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".$b.$a.",
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".123.abc."
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);
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expand!(
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expand9,
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r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)",
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"abc 123",
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" $b $a ",
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" 123 abc "
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);
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expand!(expand10, r"(?-u)(?P<a>\w+)\s+(?P<b>\d+)", "abc 123", "$bz$az", "");
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expand!(expand_name1, r"%(?P<Z>[a-z]+)", "%abc", "$Z%", "abc%");
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expand!(expand_name2, r"\[(?P<Z>[a-z]+)", "[abc", "$Z[", "abc[");
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expand!(expand_name3, r"\{(?P<Z>[a-z]+)", "{abc", "$Z{", "abc{");
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expand!(expand_name4, r"\}(?P<Z>[a-z]+)", "}abc", "$Z}", "abc}");
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expand!(expand_name5, r"%([a-z]+)", "%abc", "$1a%", "%");
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expand!(expand_name6, r"%([a-z]+)", "%abc", "${1}a%", "abca%");
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expand!(expand_name7, r"\[(?P<Z[>[a-z]+)", "[abc", "${Z[}[", "abc[");
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expand!(expand_name8, r"\[(?P<Z[>[a-z]+)", "[abc", "${foo}[", "[");
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expand!(expand_name9, r"\[(?P<Z[>[a-z]+)", "[abc", "${1a}[", "[");
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expand!(expand_name10, r"\[(?P<Z[>[a-z]+)", "[abc", "${#}[", "[");
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expand!(expand_name11, r"\[(?P<Z[>[a-z]+)", "[abc", "${$$}[", "[");
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split!(
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split1,
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r"(?-u)\s+",
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"a b\nc\td\n\t e",
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&[t!("a"), t!("b"), t!("c"), t!("d"), t!("e")]
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);
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split!(
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split2,
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r"(?-u)\b",
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"a b c",
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&[t!(""), t!("a"), t!(" "), t!("b"), t!(" "), t!("c"), t!("")]
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);
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split!(split3, r"a$", "a", &[t!(""), t!("")]);
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split!(split_none, r"-", r"a", &[t!("a")]);
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split!(split_trailing_blank, r"-", r"a-", &[t!("a"), t!("")]);
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split!(split_trailing_blanks, r"-", r"a--", &[t!("a"), t!(""), t!("")]);
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split!(split_empty, r"-", r"", &[t!("")]);
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splitn!(splitn_below_limit, r"-", r"a", 2, &[t!("a")]);
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splitn!(splitn_at_limit, r"-", r"a-b", 2, &[t!("a"), t!("b")]);
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splitn!(splitn_above_limit, r"-", r"a-b-c", 2, &[t!("a"), t!("b-c")]);
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splitn!(splitn_zero_limit, r"-", r"a-b", 0, empty_vec!());
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splitn!(splitn_trailing_blank, r"-", r"a-", 2, &[t!("a"), t!("")]);
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splitn!(splitn_trailing_separator, r"-", r"a--", 2, &[t!("a"), t!("-")]);
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splitn!(splitn_empty, r"-", r"", 1, &[t!("")]);
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