/* 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/. */
//! Tests for parsing and serialization of values/properties
use cssparser::{Parser, ParserInput};
use style::context::QuirksMode;
use style::parser::ParserContext;
use style::stylesheets::{CssRuleType, Origin};
use style_traits::{ParseError, ParsingMode};
fn parse<T, F>(f: F, s: &'static str) -> Result<T, ParseError<'static>>
where
F: for<'t> Fn(&ParserContext, &mut Parser<'static, 't>) -> Result<T, ParseError<'static>>,
{
let mut input = ParserInput::new(s);
parse_input(f, &mut input)
}
fn parse_input<'i: 't, 't, T, F>(f: F, input: &'t mut ParserInput<'i>) -> Result<T, ParseError<'i>>
where
F: Fn(&ParserContext, &mut Parser<'i, 't>) -> Result<T, ParseError<'i>>,
{
let url = ::servo_url::ServoUrl::parse("
http://localhost").unwrap();
let context = ParserContext::new(
Origin::Author,
&url,
Some(CssRuleType::Style),
ParsingMode::DEFAULT,
QuirksMode::NoQuirks,
None,
None,
);
let mut parser = Parser::new(input);
f(&context, &mut parser)
}
fn parse_entirely<T, F>(f: F, s: &'static str) -> Result<T, ParseError<'static>>
where
F: for<'t> Fn(&ParserContext, &mut Parser<'static, 't>) -> Result<T, ParseError<'static>>,
{
let mut input = ParserInput::new(s);
parse_entirely_input(f, &mut input)
}
fn parse_entirely_input<'i: 't, 't, T, F>(
f: F,
input: &'t mut ParserInput<'i>,
) -> Result<T, ParseError<'i>>
where
F: Fn(&ParserContext, &mut Parser<'i, 't>) -> Result<T, ParseError<'i>>,
{
parse_input(
|context, parser| parser.parse_entirely(|p| f(context, p)),
input,
)
}
// This is a macro so that the file/line information
// is preserved in the panic
macro_rules! assert_roundtrip_with_context {
($fun:expr, $string:expr) => {
assert_roundtrip_with_context!($fun, $string, $string);
};
($fun:expr, $input:expr, $output:expr) => {{
let mut input = ::cssparser::ParserInput::new($input);
let serialized = super::parse_input(
|context, i| {
let parsed = $fun(context, i).expect(&format!("Failed to parse {}", $input));
let serialized = ToCss::to_css_string(&parsed);
assert_eq!(serialized, $output);
Ok(serialized)
},
&mut input,
)
.unwrap();
let mut input = ::cssparser::ParserInput::new(&serialized);
let unwrapped = super::parse_input(
|context, i| {
let re_parsed =
$fun(context, i).expect(&format!("Failed to parse serialization {}", $input));
let re_serialized = ToCss::to_css_string(&re_parsed);
assert_eq!(serialized, re_serialized);
Ok(())
},
&mut input,
)
.unwrap();
unwrapped
}};
}
macro_rules! assert_roundtrip {
($fun:expr, $string:expr) => {
assert_roundtrip!($fun, $string, $string);
};
($fun:expr, $input:expr, $output:expr) => {
let mut input = ParserInput::new($input);
let mut parser = Parser::new(&mut input);
let parsed = $fun(&mut parser).expect(&format!("Failed to parse {}", $input));
let serialized = ToCss::to_css_string(&parsed);
assert_eq!(serialized, $output);
let mut input = ParserInput::new(&serialized);
let mut parser = Parser::new(&mut input);
let re_parsed =
$fun(&mut parser).expect(&format!("Failed to parse serialization {}", $input));
let re_serialized = ToCss::to_css_string(&re_parsed);
assert_eq!(serialized, re_serialized)
};
}
macro_rules! assert_parser_exhausted {
($fun:expr, $string:expr, $should_exhausted:expr) => {{
parse(
|context, input| {
let parsed = $fun(context, input);
assert_eq!(parsed.is_ok(), true);
assert_eq!(input.is_exhausted(), $should_exhausted);
Ok(())
},
$string,
)
.unwrap()
}};
}
macro_rules! parse_longhand {
($name:ident, $s:expr) => {
parse($name::parse, $s).unwrap()
};
}
mod animation;
mod background;
mod border;
mod box_;
mod column;
mod effects;
mod image;
mod inherited_text;
mod outline;
mod position;
mod selectors;
mod supports;
mod text_overflow;
mod transition_duration;
mod transition_timing_function;
