servo/tests/unit/style/parsing/font.rs
2016-11-17 18:34:23 +01:00

107 lines
4.3 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 cssparser::Parser;
use media_queries::CSSErrorReporterTest;
use servo_url::ServoUrl;
use style::parser::ParserContext;
use style::properties::longhands::font_feature_settings;
use style::properties::longhands::font_feature_settings::computed_value;
use style::properties::longhands::font_feature_settings::computed_value::FeatureTagValue;
use style::stylesheets::Origin;
use style_traits::ToCss;
#[test]
fn font_feature_settings_should_parse_properly() {
let normal = parse_longhand!(font_feature_settings, "normal");
let normal_computed = computed_value::T::Normal;
assert_eq!(normal, normal_computed);
let on = parse_longhand!(font_feature_settings, "\"abcd\" on");
let on_computed = computed_value::T::Tag(vec![
FeatureTagValue { tag: String::from("abcd"), value: 1 }
]);
assert_eq!(on, on_computed);
let off = parse_longhand!(font_feature_settings, "\"abcd\" off");
let off_computed = computed_value::T::Tag(vec![
FeatureTagValue { tag: String::from("abcd"), value: 0 }
]);
assert_eq!(off, off_computed);
let no_value = parse_longhand!(font_feature_settings, "\"abcd\"");
let no_value_computed = computed_value::T::Tag(vec![
FeatureTagValue { tag: String::from("abcd"), value: 1 }
]);
assert_eq!(no_value, no_value_computed);
let pos_integer = parse_longhand!(font_feature_settings, "\"abcd\" 100");
let pos_integer_computed = computed_value::T::Tag(vec![
FeatureTagValue { tag: String::from("abcd"), value: 100 }
]);
assert_eq!(pos_integer, pos_integer_computed);
let multiple = parse_longhand!(font_feature_settings, "\"abcd\" off, \"efgh\"");
let multiple_computed = computed_value::T::Tag(vec![
FeatureTagValue { tag: String::from("abcd"), value: 0 },
FeatureTagValue { tag: String::from("efgh"), value: 1 }
]);
assert_eq!(multiple, multiple_computed);
}
#[test]
fn font_feature_settings_should_throw_on_bad_input() {
let url = ServoUrl::parse("http://localhost").unwrap();
let context = ParserContext::new(Origin::Author, &url, Box::new(CSSErrorReporterTest));
let mut empty = Parser::new("");
assert!(font_feature_settings::parse(&context, &mut empty).is_err());
let mut negative = Parser::new("\"abcd\" -1");
assert!(font_feature_settings::parse(&context, &mut negative).is_err());
let mut short_tag = Parser::new("\"abc\"");
assert!(font_feature_settings::parse(&context, &mut short_tag).is_err());
let mut illegal_tag = Parser::new("\"abcó\"");
assert!(font_feature_settings::parse(&context, &mut illegal_tag).is_err());
}
#[test]
fn font_feature_settings_to_css() {
assert_roundtrip_with_context!(font_feature_settings::parse, "normal");
assert_roundtrip_with_context!(font_feature_settings::parse, "\"abcd\"");
assert_roundtrip_with_context!(font_feature_settings::parse, "\"abcd\" on", "\"abcd\"");
assert_roundtrip_with_context!(font_feature_settings::parse, "\"abcd\" off");
assert_roundtrip_with_context!(font_feature_settings::parse, "\"abcd\" 4");
assert_roundtrip_with_context!(font_feature_settings::parse, "\"abcd\", \"efgh\"");
}
#[test]
fn font_language_override_should_parse_properly() {
use style::properties::longhands::font_language_override::{self, SpecifiedValue};
let normal = parse_longhand!(font_language_override, "normal");
assert_eq!(normal, SpecifiedValue::Normal);
let empty_str = parse_longhand!(font_language_override, "\"\"");
assert_eq!(empty_str, SpecifiedValue::Override("".to_string()));
let normal_str = parse_longhand!(font_language_override, "\"normal\"");
assert_eq!(normal_str, SpecifiedValue::Override("normal".to_string()));
let turkic = parse_longhand!(font_language_override, "\"TRK\"");
assert_eq!(turkic, SpecifiedValue::Override("TRK".to_string()));
let danish = parse_longhand!(font_language_override, "\"DAN\"");
assert_eq!(danish, SpecifiedValue::Override("DAN".to_string()));
}
#[test]
#[should_panic]
fn font_language_override_should_fail_on_empty_str() {
use style::properties::longhands::font_language_override;
parse_longhand!(font_language_override, "");
}