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Auto merge of #7898 - frewsxcv:htmlfontelement-size-attribute-setter, r=nox

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Use the correct IDL setter for <font>.size

Previously, the IDL attribute would incorrectly set the `size` attribute
for `<font>` elements as `AttrValue::String`. Now it correctly sets it
as `AttrValue::Length`. Also included is a regression test.

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This commit is contained in:
bors-servo 2015-10-07 07:04:28 -06:00
commit 60a77defe5
2 changed files with 15 additions and 2 deletions
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12
components/script/dom/htmlfontelement.rs
View file

@ -70,7 +70,11 @@ impl HTMLFontElementMethods for HTMLFontElement {
make_getter!(Size);
// https://html.spec.whatwg.org/multipage/#dom-font-size
make_setter!(SetSize, "size");
fn SetSize(&self, value: DOMString) {
let element = ElementCast::from_ref(self);
let length = parse_length(&value);
element.set_attribute(&Atom::from_slice("size"), AttrValue::Length(value, length));
}
}
impl VirtualMethods for HTMLFontElement {
@ -100,7 +104,7 @@ impl VirtualMethods for HTMLFontElement {
match name {
&atom!("face") => AttrValue::from_atomic(value),
&atom!("size") => {
let length = parse_legacy_font_size(&value).and_then(|parsed| specified::Length::from_str(&parsed));
let length = parse_length(&value);
AttrValue::Length(value, length)
},
_ => self.super_type().unwrap().parse_plain_attribute(name, value),
@ -133,3 +137,7 @@ impl HTMLFontElement {
}
}
}
fn parse_length(value: &str) -> Option<specified::Length> {
parse_legacy_font_size(&value).and_then(|parsed| specified::Length::from_str(&parsed))
}

5
tests/wpt/mozilla/tests/mozilla/htmlfontelement_size_attribute.html
View file

@ -20,6 +20,11 @@ var sizes = ["0", "1", "2", "3", "4", "5", "6", "7", "8"];
var testSize = function (attrValue) {
elem.setAttribute("size", attrValue);
assert_equals(elem.getAttribute("size"), attrValue);
assert_equals(elem.size, attrValue);
elem.size = attrValue;
assert_equals(elem.getAttribute("size"), attrValue);
assert_equals(elem.size, attrValue);
}
var args = [];