44 lines
1.2 KiB
Rust
44 lines
1.2 KiB
Rust
// Macros for use in writing tests generic over &str/&[u8].
|
|
macro_rules! text { ($text:expr) => { $text.as_bytes() } }
|
|
macro_rules! t { ($re:expr) => { text!($re) } }
|
|
|
|
macro_rules! bytes { ($text:expr) => { $text } }
|
|
macro_rules! b { ($text:expr) => { bytes!($text) } }
|
|
|
|
macro_rules! u { ($re:expr) => { concat!("(?u)", $re) } }
|
|
|
|
macro_rules! no_expand {
|
|
($text:expr) => {{
|
|
use regex::bytes::NoExpand;
|
|
NoExpand(text!($text))
|
|
}}
|
|
}
|
|
|
|
macro_rules! show {
|
|
($text:expr) => {{
|
|
use std::ascii::escape_default;
|
|
let mut s = vec![];
|
|
for &b in bytes!($text) {
|
|
s.extend(escape_default(b));
|
|
}
|
|
String::from_utf8(s).unwrap()
|
|
}}
|
|
}
|
|
|
|
// N.B. The expansion API for &str and &[u8] APIs differs slightly for now,
|
|
// but they should be unified in 1.0. Then we can move this macro back into
|
|
// tests/api.rs where it is used. ---AG
|
|
macro_rules! expand {
|
|
($name:ident, $re:expr, $text:expr, $expand:expr, $expected:expr) => {
|
|
#[test]
|
|
fn $name() {
|
|
let re = regex!($re);
|
|
let cap = re.captures(t!($text)).unwrap();
|
|
|
|
let mut got = vec![];
|
|
cap.expand(t!($expand), &mut got);
|
|
assert_eq!(show!(t!($expected)), show!(&*got));
|
|
}
|
|
}
|
|
}
|