184 lines
3.6 KiB
Rust
184 lines
3.6 KiB
Rust
macro_rules! replace(
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($name:ident, $which:ident, $re:expr,
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$search:expr, $replace:expr, $result:expr) => (
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#[test]
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fn $name() {
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let re = regex::Regex::new($re).unwrap();
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assert_eq!(re.$which($search, $replace), $result);
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}
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);
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);
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replace!(first, replace, r"[0-9]", "age: 26", "Z", "age: Z6");
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replace!(plus, replace, r"[0-9]+", "age: 26", "Z", "age: Z");
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replace!(all, replace_all, r"[0-9]", "age: 26", "Z", "age: ZZ");
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replace!(groups, replace, r"([^ ]+)[ ]+([^ ]+)", "w1 w2", "$2 $1", "w2 w1");
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replace!(
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double_dollar,
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replace,
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r"([^ ]+)[ ]+([^ ]+)",
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"w1 w2",
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"$2 $$1",
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"w2 $1"
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);
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// replace!(adjacent_index, replace,
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// r"([^aeiouy])ies$", "skies", "$1y", "sky");
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replace!(
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named,
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replace_all,
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r"(?P<first>[^ ]+)[ ]+(?P<last>[^ ]+)(?P<space>[ ]*)",
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"w1 w2 w3 w4",
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"$last $first$space",
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"w2 w1 w4 w3"
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);
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replace!(
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trim,
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replace_all,
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"^[ \t]+|[ \t]+$",
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" \t trim me\t \t",
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"",
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"trim me"
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);
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replace!(number_hyphen, replace, r"(.)(.)", "ab", "$1-$2", "a-b");
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// replace!(number_underscore, replace, r"(.)(.)", "ab", "$1_$2", "a_b");
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replace!(
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simple_expand,
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replace_all,
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r"([a-z]) ([a-z])",
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"a b",
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"$2 $1",
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"b a"
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);
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replace!(
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literal_dollar1,
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replace_all,
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r"([a-z]+) ([a-z]+)",
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"a b",
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"$$1",
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"$1"
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);
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replace!(
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literal_dollar2,
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replace_all,
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r"([a-z]+) ([a-z]+)",
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"a b",
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"$2 $$c $1",
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"b $c a"
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);
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replace!(
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no_expand1,
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replace,
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r"([^ ]+)[ ]+([^ ]+)",
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"w1 w2",
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regex::NoExpand("$2 $1"),
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"$2 $1"
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);
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replace!(
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no_expand2,
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replace,
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r"([^ ]+)[ ]+([^ ]+)",
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"w1 w2",
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regex::NoExpand("$$1"),
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"$$1"
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);
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replace!(
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closure_returning_reference,
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replace,
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r"([0-9]+)",
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"age: 26",
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|captures: ®ex::Captures<'_>| { captures[1][0..1].to_owned() },
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"age: 2"
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);
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replace!(
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closure_returning_value,
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replace,
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r"[0-9]+",
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"age: 26",
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|_captures: ®ex::Captures<'_>| "Z".to_owned(),
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"age: Z"
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);
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// See https://github.com/rust-lang/regex/issues/314
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replace!(
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match_at_start_replace_with_empty,
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replace_all,
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r"foo",
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"foobar",
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"",
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"bar"
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);
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// See https://github.com/rust-lang/regex/issues/393
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replace!(single_empty_match, replace, r"^", "bar", "foo", "foobar");
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// See https://github.com/rust-lang/regex/issues/399
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replace!(
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capture_longest_possible_name,
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replace_all,
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r"(.)",
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"b",
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"${1}a $1a",
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"ba "
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);
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replace!(
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impl_string,
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replace,
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r"[0-9]",
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"age: 26",
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"Z".to_string(),
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"age: Z6"
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);
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replace!(
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impl_string_ref,
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replace,
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r"[0-9]",
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"age: 26",
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&"Z".to_string(),
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"age: Z6"
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);
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replace!(
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impl_cow_str_borrowed,
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replace,
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r"[0-9]",
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"age: 26",
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std::borrow::Cow::<'_, str>::Borrowed("Z"),
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"age: Z6"
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);
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replace!(
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impl_cow_str_borrowed_ref,
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replace,
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r"[0-9]",
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"age: 26",
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&std::borrow::Cow::<'_, str>::Borrowed("Z"),
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"age: Z6"
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);
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replace!(
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impl_cow_str_owned,
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replace,
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r"[0-9]",
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"age: 26",
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std::borrow::Cow::<'_, str>::Owned("Z".to_string()),
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"age: Z6"
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);
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replace!(
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impl_cow_str_owned_ref,
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replace,
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r"[0-9]",
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"age: 26",
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&std::borrow::Cow::<'_, str>::Owned("Z".to_string()),
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"age: Z6"
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);
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#[test]
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fn replacen_no_captures() {
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let re = regex::Regex::new(r"[0-9]").unwrap();
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assert_eq!(re.replacen("age: 1234", 2, "Z"), "age: ZZ34");
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}
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#[test]
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fn replacen_with_captures() {
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let re = regex::Regex::new(r"([0-9])").unwrap();
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assert_eq!(re.replacen("age: 1234", 2, "${1}Z"), "age: 1Z2Z34");
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}
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