servo/tests/unit/style/parsing/background.rs
J. Ryan Stinnett 0936dd24d0 Centralize ParserContext for tests
To simplify adding additional data to `ParserContext`, this moves test usages to
a few shared locations, instead of being spread across many tests.

MozReview-Commit-ID: 1OahV797eq
2017-04-14 17:22:14 +08:00

104 lines
5.8 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/. */
use parsing::parse;
use style::properties::longhands::{background_attachment, background_clip, background_color, background_image};
use style::properties::longhands::{background_origin, background_position_x, background_position_y, background_repeat};
use style::properties::longhands::background_size;
use style::properties::shorthands::background;
#[test]
fn background_shorthand_should_parse_all_available_properties_when_specified() {
let input = "url(\"http://servo/test.png\") top center / 200px 200px repeat-x fixed padding-box content-box red";
let result = parse(background::parse_value, input).unwrap();
assert_eq!(result.background_image, parse_longhand!(background_image, "url(\"http://servo/test.png\")"));
assert_eq!(result.background_position_x, parse_longhand!(background_position_x, "center"));
assert_eq!(result.background_position_y, parse_longhand!(background_position_y, "top"));
assert_eq!(result.background_size, parse_longhand!(background_size, "200px 200px"));
assert_eq!(result.background_repeat, parse_longhand!(background_repeat, "repeat-x"));
assert_eq!(result.background_attachment, parse_longhand!(background_attachment, "fixed"));
assert_eq!(result.background_origin, parse_longhand!(background_origin, "padding-box"));
assert_eq!(result.background_clip, parse_longhand!(background_clip, "content-box"));
assert_eq!(result.background_color, parse_longhand!(background_color, "red"));
}
#[test]
fn background_shorthand_should_parse_when_some_fields_set() {
let result = parse(background::parse_value, "14px 40px repeat-y").unwrap();
assert_eq!(result.background_position_x, parse_longhand!(background_position_x, "14px"));
assert_eq!(result.background_position_y, parse_longhand!(background_position_y, "40px"));
assert_eq!(result.background_repeat, parse_longhand!(background_repeat, "repeat-y"));
let result = parse(background::parse_value, "url(\"http://servo/test.png\") repeat blue").unwrap();
assert_eq!(result.background_image, parse_longhand!(background_image, "url(\"http://servo/test.png\")"));
assert_eq!(result.background_repeat, parse_longhand!(background_repeat, "repeat"));
assert_eq!(result.background_color, parse_longhand!(background_color, "blue"));
let result = parse(background::parse_value, "padding-box").unwrap();
assert_eq!(result.background_origin, parse_longhand!(background_origin, "padding-box"));
assert_eq!(result.background_clip, parse_longhand!(background_clip, "padding-box"));
let result = parse(background::parse_value, "url(\"http://servo/test.png\")").unwrap();
assert_eq!(result.background_image, parse_longhand!(background_image, "url(\"http://servo/test.png\")"));
}
#[test]
fn background_shorthand_should_parse_comma_separated_declarations() {
let input = "url(\"http://servo/test.png\") top left no-repeat, url(\"http://servo/test.png\") \
center / 100% 100% no-repeat, white";
let result = parse(background::parse_value, input).unwrap();
assert_eq!(result.background_image, parse_longhand!(background_image, "url(\"http://servo/test.png\"), \
url(\"http://servo/test.png\"), none"));
assert_eq!(result.background_position_x, parse_longhand!(background_position_x, "left, center, 0%"));
assert_eq!(result.background_position_y, parse_longhand!(background_position_y, "top, center, 0%"));
assert_eq!(result.background_repeat, parse_longhand!(background_repeat, "no-repeat, no-repeat, repeat"));
assert_eq!(result.background_clip, parse_longhand!(background_clip, "border-box, border-box, border-box"));
assert_eq!(result.background_origin, parse_longhand!(background_origin, "padding-box, padding-box, \
padding-box"));
assert_eq!(result.background_size, parse_longhand!(background_size, "auto auto, 100% 100%, auto auto"));
assert_eq!(result.background_attachment, parse_longhand!(background_attachment, "scroll, scroll, scroll"));
assert_eq!(result.background_color, parse_longhand!(background_color, "white"));
}
#[test]
fn background_shorthand_should_parse_position_and_size_correctly() {
let result = parse(background::parse_value, "7px 4px").unwrap();
assert_eq!(result.background_position_x, parse_longhand!(background_position_x, "7px"));
assert_eq!(result.background_position_y, parse_longhand!(background_position_y, "4px"));
let result = parse(background::parse_value, "7px 4px / 30px 20px").unwrap();
assert_eq!(result.background_position_x, parse_longhand!(background_position_x, "7px"));
assert_eq!(result.background_position_y, parse_longhand!(background_position_y, "4px"));
assert_eq!(result.background_size, parse_longhand!(background_size, "30px 20px"));
assert!(parse(background::parse_value, "/ 30px 20px").is_err());
assert!(parse(background::parse_value, "repeat-x / 30px 20px").is_err());
}
#[test]
fn background_shorthand_should_parse_origin_and_clip_correctly() {
let result = parse(background::parse_value, "padding-box content-box").unwrap();
assert_eq!(result.background_origin, parse_longhand!(background_origin, "padding-box"));
assert_eq!(result.background_clip, parse_longhand!(background_clip, "content-box"));
let result = parse(background::parse_value, "padding-box padding-box").unwrap();
assert_eq!(result.background_origin, parse_longhand!(background_origin, "padding-box"));
assert_eq!(result.background_clip, parse_longhand!(background_clip, "padding-box"));
let result = parse(background::parse_value, "padding-box").unwrap();
assert_eq!(result.background_origin, parse_longhand!(background_origin, "padding-box"));
assert_eq!(result.background_clip, parse_longhand!(background_clip, "padding-box"));
}