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/* 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};
use servo_arc::Arc;
use style::custom_properties::{Name, SpecifiedValue, CustomPropertiesMap, CustomPropertiesBuilder, CssEnvironment};
use style::properties::CustomDeclarationValue;
use test::{self, Bencher};
fn cascade(
name_and_value: &[(&str, &str)],
inherited: Option<&Arc<CustomPropertiesMap>>,
) -> Option<Arc<CustomPropertiesMap>> {
let values = name_and_value.iter().map(|&(name, value)| {
let mut input = ParserInput::new(value);
let mut parser = Parser::new(&mut input);
(Name::from(name), SpecifiedValue::parse(&mut parser).unwrap())
}).collect::<Vec<_>>();
let env = CssEnvironment;
let mut builder = CustomPropertiesBuilder::new(inherited, &env);
for &(ref name, ref val) in &values {
builder.cascade(name, &CustomDeclarationValue::Value(val.clone()));
}
builder.build()
}
#[bench]
fn cascade_custom_simple(b: &mut Bencher) {
b.iter(|| {
let parent = cascade(&[
("foo", "10px"),
("bar", "100px"),
], None);
test::black_box(cascade(&[
("baz", "calc(40em + 4px)"),
("bazz", "calc(30em + 4px)"),
], parent.as_ref()))
})
}
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