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Reject repeated '#' in perspective grid colour parser

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Found while testing crates/tools/src/distort/perspective/define.rs:84-86 (Rgb::parse)

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
NetterSilver
2026-10-31 20:44:07 +07:00
committed by bflatastic
co-authored by Claude Haiku 5.5
parent c0872ff9c6
commit 6664e366e7
1 changed files with 11 additions and 1 deletions
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crates/tools/src/distort/perspective/define.rs
+11 -1
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@@ -82,7 +82,8 @@ pub struct Rgb(pub [u8; 3]);
impl Rgb {
/// `#rrggbb` or `rrggbb`.
pub fn parse(s: &str) -> Option<Self> {
let h = s.trim().trim_start_matches('#');
let h = s.trim();
let h = h.strip_prefix('#').unwrap_or(h);
if h.len() != 6 || !h.chars().all(|c| c.is_ascii_hexdigit()) {
return None;
}
@@ -397,6 +398,15 @@ mod tests {
const AB: Rect = Rect::new(0.0, 0.0, 800.0, 600.0);
#[test]
fn rgb_rejects_repeated_hash() {
assert!(Rgb::parse("##ff0000").is_none());
assert!(Rgb::parse("####00ff00").is_none());
assert!(Rgb::try_from(String::from("##ff0000")).is_err());
assert_eq!(Rgb::parse("#ff0000"), Some(Rgb([255, 0, 0])));
assert_eq!(Rgb::parse("ff0000"), Some(Rgb([255, 0, 0])));
}
#[test]
fn the_station_point_places_the_vanishing_points() {
let mut g = PerspectiveGrid::normal(2, AB);