servo/tests/unit/style/parsing/selectors.rs

39 lines
1.4 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use cssparser::{Parser, ParserInput, ToCss};
use selectors::parser::{ParseRelative, SelectorList};
use style::selector_parser::{SelectorImpl, SelectorParser};
use style::stylesheets::{Namespaces, Origin};
use style_traits::ParseError;
use url::Url;
fn parse_selector<'i>(
input: &mut Parser<'i, '_>,
) -> Result<SelectorList<SelectorImpl>, ParseError<'i>> {
let mut ns = Namespaces::default();
ns.prefixes
.insert("svg".into(), style::Namespace::new(ns!(svg)));
let dummy_url_data = Url::parse("about:blank").unwrap().into();
let parser = SelectorParser {
stylesheet_origin: Origin::UserAgent,
namespaces: &ns,
url_data: &dummy_url_data,
for_supports_rule: false,
};
SelectorList::parse(&parser, input, ParseRelative::No)
}
#[test]
fn test_selectors() {
assert_roundtrip!(parse_selector, "div");
assert_roundtrip!(parse_selector, "svg|circle");
assert_roundtrip!(parse_selector, "p:before", "p::before");
assert_roundtrip!(
parse_selector,
"[border=\"0\"]:-servo-nonzero-border ~ ::-servo-details-summary"
);
assert_roundtrip!(parse_selector, "* > *");
assert_roundtrip!(parse_selector, "*|* + *", "* + *");
}