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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
use euclid::Scale;
use euclid::Size2D;
use servo_arc::Arc;
use servo_url::ServoUrl;
use std::borrow::ToOwned;
use style::context::QuirksMode;
use style::media_queries::*;
use style::servo::media_queries::*;
use style::shared_lock::SharedRwLock;
use style::stylesheets::{AllRules, CssRule, Origin, Stylesheet, StylesheetInDocument};
use style::values::{specified, CustomIdent};
use style::Atom;
use style_traits::ToCss;
fn test_media_rule<F>(css: &str, callback: F)
where
F: Fn(&MediaList, &str),
{
let css_str = css.to_owned();
let lock = SharedRwLock::new();
let media_list = Arc::new(lock.wrap(MediaList::empty()));
let stylesheet = Stylesheet::from_str(
css,
url,
Origin::Author,
media_list,
lock,
None,
None,
QuirksMode::NoQuirks,
0,
);
let dummy = Device::new(
MediaType::screen(),
Size2D::new(200.0, 100.0),
Scale::new(1.0),
);
let mut rule_count = 0;
let guard = stylesheet.shared_lock.read();
for rule in stylesheet.iter_rules::<AllRules>(&dummy, &guard) {
if let CssRule::Media(ref lock) = *rule {
rule_count += 1;
callback(&lock.read_with(&guard).media_queries.read_with(&guard), css);
}
}
assert!(rule_count > 0, css_str);
}
fn media_query_test(device: &Device, css: &str, expected_rule_count: usize) {
let lock = SharedRwLock::new();
let media_list = Arc::new(lock.wrap(MediaList::empty()));
let ss = Stylesheet::from_str(
css,
url,
Origin::Author,
media_list,
lock,
None,
None,
QuirksMode::NoQuirks,
0,
);
let mut rule_count = 0;
ss.effective_style_rules(device, &ss.shared_lock.read(), |_| rule_count += 1);
assert!(rule_count == expected_rule_count, css.to_owned());
}
#[test]
fn test_mq_empty() {
test_media_rule("@media { }", |list, css| {
assert!(list.media_queries.len() == 0, css.to_owned());
});
}
#[test]
fn test_mq_screen() {
test_media_rule("@media screen { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::screen()),
css.to_owned()
);
assert!(q.expressions.len() == 0, css.to_owned());
});
test_media_rule("@media only screen { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == Some(Qualifier::Only), css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::screen()),
css.to_owned()
);
assert!(q.expressions.len() == 0, css.to_owned());
});
test_media_rule("@media not screen { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == Some(Qualifier::Not), css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::screen()),
css.to_owned()
);
assert!(q.expressions.len() == 0, css.to_owned());
});
}
#[test]
fn test_mq_print() {
test_media_rule("@media print { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::print()),
css.to_owned()
);
assert!(q.expressions.len() == 0, css.to_owned());
});
test_media_rule("@media only print { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == Some(Qualifier::Only), css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::print()),
css.to_owned()
);
assert!(q.expressions.len() == 0, css.to_owned());
});
test_media_rule("@media not print { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == Some(Qualifier::Not), css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::print()),
css.to_owned()
);
assert!(q.expressions.len() == 0, css.to_owned());
});
}
#[test]
fn test_mq_unknown() {
test_media_rule("@media fridge { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType(CustomIdent(Atom::from("fridge")))),
css.to_owned()
);
assert!(q.expressions.len() == 0, css.to_owned());
});
test_media_rule("@media only glass { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == Some(Qualifier::Only), css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType(CustomIdent(Atom::from("glass")))),
css.to_owned()
);
assert!(q.expressions.len() == 0, css.to_owned());
});
test_media_rule("@media not wood { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == Some(Qualifier::Not), css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType(CustomIdent(Atom::from("wood")))),
css.to_owned()
);
assert!(q.expressions.len() == 0, css.to_owned());
});
}
#[test]
fn test_mq_all() {
test_media_rule("@media all { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(q.media_type == MediaQueryType::All, css.to_owned());
assert!(q.expressions.len() == 0, css.to_owned());
});
test_media_rule("@media only all { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == Some(Qualifier::Only), css.to_owned());
assert!(q.media_type == MediaQueryType::All, css.to_owned());
assert!(q.expressions.len() == 0, css.to_owned());
});
test_media_rule("@media not all { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == Some(Qualifier::Not), css.to_owned());
assert!(q.media_type == MediaQueryType::All, css.to_owned());
assert!(q.expressions.len() == 0, css.to_owned());
});
}
#[test]
fn test_mq_or() {
test_media_rule("@media screen, print { }", |list, css| {
assert!(list.media_queries.len() == 2, css.to_owned());
let q0 = &list.media_queries[0];
assert!(q0.qualifier == None, css.to_owned());
assert!(
q0.media_type == MediaQueryType::Concrete(MediaType::screen()),
css.to_owned()
);
assert!(q0.expressions.len() == 0, css.to_owned());
let q1 = &list.media_queries[1];
assert!(q1.qualifier == None, css.to_owned());
assert!(
q1.media_type == MediaQueryType::Concrete(MediaType::print()),
css.to_owned()
);
assert!(q1.expressions.len() == 0, css.to_owned());
});
}
#[test]
fn test_mq_default_expressions() {
test_media_rule("@media (min-width: 100px) { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(q.media_type == MediaQueryType::All, css.to_owned());
assert!(q.expressions.len() == 1, css.to_owned());
match *q.expressions[0].kind_for_testing() {
ExpressionKind::Width(Range::Min(ref w)) => {
assert!(*w == specified::Length::from_px(100.))
},
_ => panic!("wrong expression type"),
}
});
test_media_rule("@media (max-width: 43px) { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(q.media_type == MediaQueryType::All, css.to_owned());
assert!(q.expressions.len() == 1, css.to_owned());
match *q.expressions[0].kind_for_testing() {
ExpressionKind::Width(Range::Max(ref w)) => {
assert!(*w == specified::Length::from_px(43.))
},
_ => panic!("wrong expression type"),
}
});
}
#[test]
fn test_mq_expressions() {
test_media_rule("@media screen and (min-width: 100px) { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::screen()),
css.to_owned()
);
assert!(q.expressions.len() == 1, css.to_owned());
match *q.expressions[0].kind_for_testing() {
ExpressionKind::Width(Range::Min(ref w)) => {
assert!(*w == specified::Length::from_px(100.))
},
_ => panic!("wrong expression type"),
}
});
test_media_rule("@media print and (max-width: 43px) { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::print()),
css.to_owned()
);
assert!(q.expressions.len() == 1, css.to_owned());
match *q.expressions[0].kind_for_testing() {
ExpressionKind::Width(Range::Max(ref w)) => {
assert!(*w == specified::Length::from_px(43.))
},
_ => panic!("wrong expression type"),
}
});
test_media_rule("@media print and (width: 43px) { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::print()),
css.to_owned()
);
assert!(q.expressions.len() == 1, css.to_owned());
match *q.expressions[0].kind_for_testing() {
ExpressionKind::Width(Range::Eq(ref w)) => {
assert!(*w == specified::Length::from_px(43.))
},
_ => panic!("wrong expression type"),
}
});
test_media_rule("@media fridge and (max-width: 52px) { }", |list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType(CustomIdent(Atom::from("fridge")))),
css.to_owned()
);
assert!(q.expressions.len() == 1, css.to_owned());
match *q.expressions[0].kind_for_testing() {
ExpressionKind::Width(Range::Max(ref w)) => {
assert!(*w == specified::Length::from_px(52.))
},
_ => panic!("wrong expression type"),
}
});
}
#[test]
fn test_to_css() {
test_media_rule("@media print and (width: 43px) { }", |list, _| {
let q = &list.media_queries[0];
let dest = q.to_css_string();
assert_eq!(dest, "print and (width: 43px)");
});
}
#[test]
fn test_mq_multiple_expressions() {
test_media_rule(
"@media (min-width: 100px) and (max-width: 200px) { }",
|list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == None, css.to_owned());
assert!(q.media_type == MediaQueryType::All, css.to_owned());
assert!(q.expressions.len() == 2, css.to_owned());
match *q.expressions[0].kind_for_testing() {
ExpressionKind::Width(Range::Min(ref w)) => {
assert!(*w == specified::Length::from_px(100.))
},
_ => panic!("wrong expression type"),
}
match *q.expressions[1].kind_for_testing() {
ExpressionKind::Width(Range::Max(ref w)) => {
assert!(*w == specified::Length::from_px(200.))
},
_ => panic!("wrong expression type"),
}
},
);
test_media_rule(
"@media not screen and (min-width: 100px) and (max-width: 200px) { }",
|list, css| {
assert!(list.media_queries.len() == 1, css.to_owned());
let q = &list.media_queries[0];
assert!(q.qualifier == Some(Qualifier::Not), css.to_owned());
assert!(
q.media_type == MediaQueryType::Concrete(MediaType::screen()),
css.to_owned()
);
assert!(q.expressions.len() == 2, css.to_owned());
match *q.expressions[0].kind_for_testing() {
ExpressionKind::Width(Range::Min(ref w)) => {
assert!(*w == specified::Length::from_px(100.))
},
_ => panic!("wrong expression type"),
}
match *q.expressions[1].kind_for_testing() {
ExpressionKind::Width(Range::Max(ref w)) => {
assert!(*w == specified::Length::from_px(200.))
},
_ => panic!("wrong expression type"),
}
},
);
}
#[test]
fn test_mq_malformed_expressions() {
fn check_malformed_expr(list: &MediaList, css: &str) {
assert!(!list.media_queries.is_empty(), css.to_owned());
for mq in &list.media_queries {
assert!(mq.qualifier == Some(Qualifier::Not), css.to_owned());
assert!(mq.media_type == MediaQueryType::All, css.to_owned());
assert!(mq.expressions.is_empty(), css.to_owned());
}
}
for rule in &[
"@media (min-width: 100blah) and (max-width: 200px) { }",
"@media screen and (height: 200px) { }",
"@media (min-width: 30em foo bar) {}",
"@media not {}",
"@media not (min-width: 300px) {}",
"@media , {}",
] {
test_media_rule(rule, check_malformed_expr);
}
}
#[test]
fn test_matching_simple() {
let device = Device::new(
MediaType::screen(),
Size2D::new(200.0, 100.0),
Scale::new(1.0),
);
media_query_test(&device, "@media not all { a { color: red; } }", 0);
media_query_test(&device, "@media not screen { a { color: red; } }", 0);
media_query_test(&device, "@media not print { a { color: red; } }", 1);
media_query_test(&device, "@media unknown { a { color: red; } }", 0);
media_query_test(&device, "@media not unknown { a { color: red; } }", 1);
media_query_test(&device, "@media { a { color: red; } }", 1);
media_query_test(&device, "@media screen { a { color: red; } }", 1);
media_query_test(&device, "@media print { a { color: red; } }", 0);
}
#[test]
fn test_matching_width() {
let device = Device::new(
MediaType::screen(),
Size2D::new(200.0, 100.0),
Scale::new(1.0),
);
media_query_test(&device, "@media { a { color: red; } }", 1);
media_query_test(&device, "@media (min-width: 50px) { a { color: red; } }", 1);
media_query_test(
&device,
"@media (min-width: 150px) { a { color: red; } }",
1,
);
media_query_test(
&device,
"@media (min-width: 300px) { a { color: red; } }",
0,
);
media_query_test(
&device,
"@media screen and (min-width: 50px) { a { color: red; } }",
1,
);
media_query_test(
&device,
"@media screen and (min-width: 150px) { a { color: red; } }",
1,
);
media_query_test(
&device,
"@media screen and (min-width: 300px) { a { color: red; } }",
0,
);
media_query_test(
&device,
"@media not screen and (min-width: 50px) { a { color: red; } }",
0,
);
media_query_test(
&device,
"@media not screen and (min-width: 150px) { a { color: red; } }",
0,
);
media_query_test(
&device,
"@media not screen and (min-width: 300px) { a { color: red; } }",
1,
);
media_query_test(&device, "@media (max-width: 50px) { a { color: red; } }", 0);
media_query_test(
&device,
"@media (max-width: 150px) { a { color: red; } }",
0,
);
media_query_test(
&device,
"@media (max-width: 300px) { a { color: red; } }",
1,
);
media_query_test(
&device,
"@media screen and (min-width: 50px) and (max-width: 100px) { a { color: red; } }",
0,
);
media_query_test(
&device,
"@media screen and (min-width: 250px) and (max-width: 300px) { a { color: red; } }",
0,
);
media_query_test(
&device,
"@media screen and (min-width: 50px) and (max-width: 250px) { a { color: red; } }",
1,
);
media_query_test(
&device,
"@media not screen and (min-width: 50px) and (max-width: 100px) { a { color: red; } }",
1,
);
media_query_test(
&device,
"@media not screen and (min-width: 250px) and (max-width: 300px) { a { color: red; } }",
1,
);
media_query_test(
&device,
"@media not screen and (min-width: 50px) and (max-width: 250px) { a { color: red; } }",
0,
);
media_query_test(
&device,
"@media not screen and (min-width: 3.1em) and (max-width: 6em) { a { color: red; } }",
1,
);
media_query_test(
&device,
"@media not screen and (min-width: 16em) and (max-width: 19.75em) { a { color: red; } }",
1,
);
media_query_test(
&device,
"@media not screen and (min-width: 3em) and (max-width: 250px) { a { color: red; } }",
0,
);
}
#[test]
fn test_matching_invalid() {
let device = Device::new(
MediaType::screen(),
Size2D::new(200.0, 100.0),
Scale::new(1.0),
);
media_query_test(&device, "@media fridge { a { color: red; } }", 0);
media_query_test(
&device,
"@media screen and (height: 100px) { a { color: red; } }",
0,
);
media_query_test(
&device,
"@media not print and (width: 100) { a { color: red; } }",
0,
);
}