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

37 lines
1.2 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 http://mozilla.org/MPL/2.0/. */
//! Tests for parsing and serialization of values/properties
use cssparser::Parser;
fn parse<T, F: Fn(&mut Parser) -> Result<T, ()>>(f: F, s: &str) -> Result<T, ()> {
let mut parser = Parser::new(s);
f(&mut parser)
}
// This is a macro so that the file/line information
// is preserved in the panic
macro_rules! assert_roundtrip {
($fun:expr, $string:expr) => {
assert_roundtrip!($fun, $string, $string);
};
($fun:expr, $input:expr, $output:expr) => {
let parsed = $crate::parsing::parse($fun, $input)
.expect(&format!("Failed to parse {}", $input));
let serialized = ::cssparser::ToCss::to_css_string(&parsed);
assert_eq!(serialized, $output);
let re_parsed = $crate::parsing::parse($fun, &serialized)
.expect(&format!("Failed to parse serialization {}", $input));
let re_serialized = ::cssparser::ToCss::to_css_string(&re_parsed);
assert_eq!(serialized, re_serialized);
}
}
mod basic_shape;
mod position;
mod selectors;