Fix and tests for negative border radius

This commit is contained in:
# 2017-03-09 00:02:17 -05:00
parent 7902842730
commit f5253c9f09
2 changed files with 24 additions and 9 deletions

View file

@ -749,10 +749,10 @@ impl ToCss for BorderRadius {
}
impl Parse for BorderRadius {
fn parse(context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
let mut widths = try!(parse_one_set_of_border_values(context, input));
fn parse(_context: &ParserContext, input: &mut Parser) -> Result<Self, ()> {
let mut widths = try!(parse_one_set_of_border_values(input));
let mut heights = if input.try(|input| input.expect_delim('/')).is_ok() {
try!(parse_one_set_of_border_values(context, input))
try!(parse_one_set_of_border_values(input))
} else {
[widths[0].clone(),
widths[1].clone(),
@ -768,23 +768,22 @@ impl Parse for BorderRadius {
}
}
fn parse_one_set_of_border_values(context: &ParserContext, mut input: &mut Parser)
fn parse_one_set_of_border_values(mut input: &mut Parser)
-> Result<[LengthOrPercentage; 4], ()> {
let a = try!(LengthOrPercentage::parse(context, input));
let b = if let Ok(b) = input.try(|i| LengthOrPercentage::parse(context, i)) {
let a = try!(LengthOrPercentage::parse_non_negative(input));
let b = if let Ok(b) = input.try(|i| LengthOrPercentage::parse_non_negative(i)) {
b
} else {
return Ok([a.clone(), a.clone(), a.clone(), a])
};
let c = if let Ok(c) = input.try(|i| LengthOrPercentage::parse(context, i)) {
let c = if let Ok(c) = input.try(|i| LengthOrPercentage::parse_non_negative(i)) {
c
} else {
return Ok([a.clone(), b.clone(), a, b])
};
if let Ok(d) = input.try(|i| LengthOrPercentage::parse(context, i)) {
if let Ok(d) = input.try(|i| LengthOrPercentage::parse_non_negative(i)) {
Ok([a, b, c, d])
} else {
Ok([a, b.clone(), c, b])

View file

@ -77,6 +77,22 @@ fn test_border_radius() {
assert_border_radius_values!("10px 20px 30px 40px / 1px 2px 3px 4px";
"10px", "20px", "30px", "40px" ;
"1px", "2px", "3px", "4px");
assert_border_radius_values!("10px 20px 30px 40px / 1px 2px 3px 4px";
"10px", "20px", "30px", "40px" ;
"1px", "2px", "3px", "4px");
assert_border_radius_values!("10px 20px 30px 40px / 1px 2px 3px 4px";
"10px", "20px", "30px", "40px" ;
"1px", "2px", "3px", "4px");
assert_border_radius_values!("10px -20px 30px 40px";
"10px", "10px", "10px", "10px";
"10px", "10px", "10px", "10px");
assert_border_radius_values!("10px 20px -30px 40px";
"10px", "20px", "10px", "20px";
"10px", "20px", "10px", "20px");
assert_border_radius_values!("10px 20px 30px -40px";
"10px", "20px", "30px", "20px";
"10px", "20px", "30px", "20px");
assert!(parse(BorderRadius::parse, "-10px 20px 30px 40px").is_err());
}
#[test]