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Add PARSING_MODE_ALLOW_ALL_NUMERIC_VALUES to force to parse negative values.

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As per SVG spec [1], we should also parse negative color components values for
SMIL, but currently Gecko does not support it either.

[1] https://www.w3.org/TR/SVG/implnote.html#RangeClamping
This commit is contained in:
Hiroyuki Ikezoe 2017-05-13 18:34:15 +09:00
parent b6b3187efa
commit 59dd93f849
3 changed files with 43 additions and 6 deletions
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22
tests/unit/style/parsing/value.rs
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@ -3,8 +3,13 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use app_units::Au;
use cssparser::Parser;
use media_queries::CSSErrorReporterTest;
use style::context::QuirksMode;
use style::parser::{PARSING_MODE_ALLOW_ALL_NUMERIC_VALUES, ParserContext};
use style::stylesheets::{CssRuleType, Origin};
use style::values::HasViewportPercentage;
use style::values::specified::{AbsoluteLength, NoCalcLength, ViewportPercentageLength};
use style::values::specified::{AbsoluteLength, NoCalcLength, Number, ViewportPercentageLength};
#[test]
fn length_has_viewport_percentage() {
@ -13,3 +18,18 @@ fn length_has_viewport_percentage() {
let l = NoCalcLength::Absolute(AbsoluteLength::Px(Au(100).to_f32_px()));
assert!(!l.has_viewport_percentage());
}
#[test]
fn test_parsing_allo_all_numeric_values() {
// In SVG length mode, non-zero lengths are assumed to be px.
let url = ::servo_url::ServoUrl::parse("http://localhost").unwrap();
let reporter = CSSErrorReporterTest;
let context = ParserContext::new(Origin::Author, &url, &reporter,
Some(CssRuleType::Style), PARSING_MODE_ALLOW_ALL_NUMERIC_VALUES,
QuirksMode::NoQuirks);
let mut parser = Parser::new("-1");
let result = Number::parse_non_negative(&context, &mut parser);
assert!(result.is_ok());
assert_eq!(result.unwrap(), Number::new(-1.));
}