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Implement serialization for transform functions.

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Preserve more information from transform function parsing.
Preserve angle unit while parsing.
Simplify SpecifiedMatrix.
Use the write! macro for formatting with a helper called Css.
Implement ToCss for &T if T implements ToCss.
Add some tests and update others.

closes #15194
This commit is contained in:
Pyfisch 2017-04-03 15:19:37 +02:00
parent e2671459cb
commit 480f59c880
8 changed files with 459 additions and 315 deletions
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42
tests/unit/style/properties/serialization.rs
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@ -962,6 +962,8 @@ mod shorthand_serialization {
mod transform {
pub use super::*;
use style::properties::longhands::transform::SpecifiedOperation;
use style::values::specified::{Angle, Number};
#[test]
fn should_serialize_none_correctly() {
@ -982,6 +984,46 @@ mod shorthand_serialization {
assert_eq!(try_serialize.is_ok(), true);
assert_eq!(s, "none");
}
#[inline(always)]
fn validate_serialization<T: ToCss>(op: &T, expected_string: &'static str) {
let css_string = op.to_css_string();
assert_eq!(css_string, expected_string);
}
#[test]
fn transform_scale() {
validate_serialization(&SpecifiedOperation::Scale(Number::new(1.3), None), "scale(1.3)");
validate_serialization(
&SpecifiedOperation::Scale(Number::new(2.0), Some(Number::new(2.0))),
"scale(2, 2)");
validate_serialization(&SpecifiedOperation::ScaleX(Number::new(42.0)), "scaleX(42)");
validate_serialization(&SpecifiedOperation::ScaleY(Number::new(0.3)), "scaleY(0.3)");
validate_serialization(&SpecifiedOperation::ScaleZ(Number::new(1.0)), "scaleZ(1)");
validate_serialization(
&SpecifiedOperation::Scale3D(Number::new(4.0), Number::new(5.0), Number::new(6.0)),
"scale3d(4, 5, 6)");
}
#[test]
fn transform_skew() {
validate_serialization(
&SpecifiedOperation::Skew(Angle::from_degrees(42.3), None),
"skew(42.3deg)");
validate_serialization(
&SpecifiedOperation::Skew(Angle::from_gradians(-50.0), Some(Angle::from_turns(0.73))),
"skew(-50grad, 0.73turn)");
validate_serialization(
&SpecifiedOperation::SkewX(Angle::from_radians(0.31)), "skewX(0.31rad)");
}
#[test]
fn transform_rotate() {
validate_serialization(
&SpecifiedOperation::Rotate(Angle::from_turns(35.0)),
"rotate(35turn)"
)
}
}
mod quotes {