1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5 //! Tests for parsing and serialization of values/properties
6
7 use cssparser::{Parser, ParserInput};
8 use style::context::QuirksMode;
9 use style::parser::ParserContext;
10 use style::stylesheets::{CssRuleType, Origin};
11 use style_traits::{ParsingMode, ParseError};
12
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>>13 fn parse<T, F>(f: F, s: &'static str) -> Result<T, ParseError<'static>>
14 where F: for<'t> Fn(&ParserContext, &mut Parser<'static, 't>) -> Result<T, ParseError<'static>> {
15 let mut input = ParserInput::new(s);
16 parse_input(f, &mut input)
17 }
18
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>>19 fn parse_input<'i: 't, 't, T, F>(f: F, input: &'t mut ParserInput<'i>) -> Result<T, ParseError<'i>>
20 where F: Fn(&ParserContext, &mut Parser<'i, 't>) -> Result<T, ParseError<'i>> {
21 let url = ::servo_url::ServoUrl::parse("http://localhost").unwrap();
22 let context = ParserContext::new(
23 Origin::Author,
24 &url,
25 Some(CssRuleType::Style),
26 ParsingMode::DEFAULT,
27 QuirksMode::NoQuirks,
28 None,
29 None,
30 );
31 let mut parser = Parser::new(input);
32 f(&context, &mut parser)
33 }
34
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>>35 fn parse_entirely<T, F>(f: F, s: &'static str) -> Result<T, ParseError<'static>>
36 where F: for<'t> Fn(&ParserContext, &mut Parser<'static, 't>) -> Result<T, ParseError<'static>> {
37 let mut input = ParserInput::new(s);
38 parse_entirely_input(f, &mut input)
39 }
40
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>>41 fn parse_entirely_input<'i: 't, 't, T, F>(f: F, input: &'t mut ParserInput<'i>) -> Result<T, ParseError<'i>>
42 where F: Fn(&ParserContext, &mut Parser<'i, 't>) -> Result<T, ParseError<'i>> {
43 parse_input(|context, parser| parser.parse_entirely(|p| f(context, p)), input)
44 }
45
46 // This is a macro so that the file/line information
47 // is preserved in the panic
48 macro_rules! assert_roundtrip_with_context {
49 ($fun:expr, $string:expr) => {
50 assert_roundtrip_with_context!($fun, $string, $string);
51 };
52 ($fun:expr, $input:expr, $output:expr) => {{
53 let mut input = ::cssparser::ParserInput::new($input);
54 let serialized = super::parse_input(|context, i| {
55 let parsed = $fun(context, i)
56 .expect(&format!("Failed to parse {}", $input));
57 let serialized = ToCss::to_css_string(&parsed);
58 assert_eq!(serialized, $output);
59 Ok(serialized)
60 }, &mut input).unwrap();
61
62 let mut input = ::cssparser::ParserInput::new(&serialized);
63 let unwrapped = super::parse_input(|context, i| {
64 let re_parsed = $fun(context, i)
65 .expect(&format!("Failed to parse serialization {}", $input));
66 let re_serialized = ToCss::to_css_string(&re_parsed);
67 assert_eq!(serialized, re_serialized);
68 Ok(())
69 }, &mut input).unwrap();
70 unwrapped
71 }}
72 }
73
74 macro_rules! assert_roundtrip {
75 ($fun:expr, $string:expr) => {
76 assert_roundtrip!($fun, $string, $string);
77 };
78 ($fun:expr, $input:expr, $output:expr) => {
79 let mut input = ParserInput::new($input);
80 let mut parser = Parser::new(&mut input);
81 let parsed = $fun(&mut parser)
82 .expect(&format!("Failed to parse {}", $input));
83 let serialized = ToCss::to_css_string(&parsed);
84 assert_eq!(serialized, $output);
85
86 let mut input = ParserInput::new(&serialized);
87 let mut parser = Parser::new(&mut input);
88 let re_parsed = $fun(&mut parser)
89 .expect(&format!("Failed to parse serialization {}", $input));
90 let re_serialized = ToCss::to_css_string(&re_parsed);
91 assert_eq!(serialized, re_serialized)
92 }
93 }
94
95 macro_rules! assert_parser_exhausted {
96 ($fun:expr, $string:expr, $should_exhausted:expr) => {{
97 parse(|context, input| {
98 let parsed = $fun(context, input);
99 assert_eq!(parsed.is_ok(), true);
100 assert_eq!(input.is_exhausted(), $should_exhausted);
101 Ok(())
102 }, $string).unwrap()
103 }}
104 }
105
106 macro_rules! parse_longhand {
107 ($name:ident, $s:expr) => {
108 parse($name::parse, $s).unwrap()
109 };
110 }
111
112 mod animation;
113 mod background;
114 mod border;
115 mod box_;
116 mod column;
117 mod effects;
118 mod image;
119 mod inherited_text;
120 mod outline;
121 mod position;
122 mod selectors;
123 mod supports;
124 mod text_overflow;
125 mod transition_duration;
126 mod transition_timing_function;
127