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Add roundtrip parsing tests for basic_shape/position

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Manish Goregaokar 2016-08-02 12:22:16 +05:30
parent 973796b989
commit c6feae3c5c
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98
tests/unit/style/parsing/basic_shape.rs
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@ -1,3 +1,99 @@
/* 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/. */
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use parsing::parse;
use style::values::specified::basic_shape::*;
// Ensure that basic-shape sub-functions parse as both basic shapes
// and their individual components
macro_rules! assert_roundtrip_basicshape {
($fun:expr, $input:expr, $output:expr) => {
assert_roundtrip!($fun, $input, $output);
assert_roundtrip!(BasicShape::parse, $input, $output);
}
}
#[test]
fn test_inset() {
// these are actually wrong, we should be serializing to the minimum possible result
// the advantage of being wrong is that the roundtrip test actually suffices
// for testing the intermediate state
assert_roundtrip_basicshape!(InsetRect::parse, "inset(10px)", "inset(10px 10px 10px 10px)");
assert_roundtrip_basicshape!(InsetRect::parse, "inset(10px 20%)", "inset(10px 20% 10px 20%)");
assert_roundtrip_basicshape!(InsetRect::parse, "inset(10px round 10px)",
"inset(10px 10px 10px 10px round 10px 10px 10px 10px \
/ 10px 10px 10px 10px)");
assert_roundtrip_basicshape!(InsetRect::parse, "inset(10px round 10px 20px 30px 40px)",
"inset(10px 10px 10px 10px round 10px 20px 30px 40px \
/ 10px 20px 30px 40px)");
assert_roundtrip_basicshape!(InsetRect::parse, "inset(10px 10px 10px 10px round 10px 20px 30px 40px \
/ 1px 2px 3px 4px)",
"inset(10px 10px 10px 10px round 10px 20px 30px 40px \
/ 1px 2px 3px 4px)");
}
#[test]
fn test_circle() {
assert_roundtrip_basicshape!(Circle::parse, "circle(at center)", "circle(at 50% 50%)");
assert_roundtrip_basicshape!(Circle::parse, "circle()", "circle(at 50% 50%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(at left bottom)", "circle(at 0% 100%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(at bottom left)", "circle(at 0% 100%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(at top left)", "circle(at 0% 0%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(at center left)", "circle(at 0% 50%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(at left center)", "circle(at 0% 50%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(at top center)", "circle(at 50% 0%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(at center top)", "circle(at 50% 0%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(at 40% top)", "circle(at 40% 0%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(at 10px 100px)", "circle(at 10px 100px)");
// closest-side is omitted, because it is the default
assert_roundtrip_basicshape!(Circle::parse, "circle(closest-side at center)", "circle(at 50% 50%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(farthest-side at center)",
"circle(farthest-side at 50% 50%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(20px at center)", "circle(20px at 50% 50%)");
assert_roundtrip_basicshape!(Circle::parse, "circle(calc(1px + 50%) at center)",
"circle(calc(1px + 50%) at 50% 50%)");
assert!(parse(Circle::parse, "circle(at top 40%)").is_err());
}
#[test]
fn test_ellipse() {
assert_roundtrip_basicshape!(Ellipse::parse, "ellipse(at center)", "ellipse(at 50% 50%)");
assert_roundtrip_basicshape!(Ellipse::parse, "ellipse()", "ellipse(at 50% 50%)");
assert_roundtrip_basicshape!(Ellipse::parse, "ellipse(at left bottom)", "ellipse(at 0% 100%)");
assert_roundtrip_basicshape!(Ellipse::parse, "ellipse(at bottom left)", "ellipse(at 0% 100%)");
assert_roundtrip_basicshape!(Ellipse::parse, "ellipse(at 10px 100px)", "ellipse(at 10px 100px)");
// closest-side is omitted, because it is the default
assert_roundtrip_basicshape!(Ellipse::parse, "ellipse(closest-side closest-side at center)",
"ellipse(at 50% 50%)");
assert_roundtrip_basicshape!(Ellipse::parse, "ellipse(farthest-side closest-side at center)",
"ellipse(farthest-side closest-side at 50% 50%)");
assert_roundtrip_basicshape!(Ellipse::parse, "ellipse(20px 10% at center)", "ellipse(20px 10% at 50% 50%)");
assert_roundtrip_basicshape!(Ellipse::parse, "ellipse(calc(1px + 50%) 10px at center)",
"ellipse(calc(1px + 50%) 10px at 50% 50%)");
}
#[test]
fn test_polygon() {
// surprisingly, polygons are only required to have at least one vertex,
// not at least 3
assert_roundtrip_basicshape!(Polygon::parse, "polygon(10px 10px)", "polygon(10px 10px)");
assert_roundtrip_basicshape!(Polygon::parse, "polygon(10px 10px 10px 10px)", "polygon(10px 10px 10px 10px)");
assert_roundtrip_basicshape!(Polygon::parse, "polygon(nonzero, 10px 10px 10px 10px)",
"polygon(10px 10px 10px 10px)");
assert_roundtrip_basicshape!(Polygon::parse, "polygon(evenodd, 10px 10px 10px 10px)",
"polygon(evenodd, 10px 10px 10px 10px)");
assert_roundtrip_basicshape!(Polygon::parse, "polygon(evenodd, 10px 10px 10px calc(10px + 50%))",
"polygon(evenodd, 10px 10px 10px calc(10px + 50%))");
assert_roundtrip_basicshape!(Polygon::parse, "polygon(evenodd, 10px 10px 10px 10px 10px 10px 10px 10px 10px \
10px 10px 10px 10px 10px 10px 10px 10px 10px 10px 10px 10px 10px \
10px 10px 10px 10px 10px 10px)",
"polygon(evenodd, 10px 10px 10px 10px 10px 10px 10px 10px 10px \
10px 10px 10px 10px 10px 10px 10px 10px 10px 10px 10px 10px 10px \
10px 10px 10px 10px 10px 10px)");
assert!(parse(Polygon::parse, "polygon()").is_err());
}