css_ast/types/
image.rs

1use csskit_derives::{Parse, Peek, ToCursors, ToSpan, Visitable};
2
3use crate::{Gradient, Url};
4
5/// <https://drafts.csswg.org/css-images-3/#typedef-image>
6///
7/// ```text
8/// <image> = <url> | <gradient>
9/// ```
10#[derive(Parse, Peek, ToCursors, ToSpan, Visitable, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
11#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
12#[visit]
13pub enum Image<'a> {
14	Url(Url),
15	Gradient(Gradient<'a>),
16}
17
18#[cfg(test)]
19mod tests {
20	use super::*;
21	use crate::assert_visits;
22	use css_parse::assert_parse;
23
24	#[test]
25	fn size_test() {
26		assert_eq!(std::mem::size_of::<Image>(), 216);
27	}
28
29	#[test]
30	fn test_writes() {
31		assert_parse!(Image, "url('foo')");
32		assert_parse!(Image, "url(\"foo\")");
33		assert_parse!(Image, "url(foo)");
34	}
35
36	#[test]
37	fn test_visits() {
38		assert_visits!("url('foo')", Image, Url);
39		assert_visits!("linear-gradient(red, blue)", Image, Gradient, LinearGradientFunction);
40	}
41}