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Auto merge of #12159 - notriddle:fix_interpolate_cleanup_regression, r=emilio

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Do not crash on partial calc interpolation

It should always be possible to interpolate between CalcLengthOrPercentage points.
____

- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #12151 (github issue number if applicable).
- [ ] There are tests for these changes  (*I STILL NEED TO WRITE TESTS*)

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This commit is contained in:
bors-servo 2016-07-03 06:35:01 -07:00 • committed by GitHub
commit ed514d7934
4 changed files with 48 additions and 2 deletions
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4
components/style/properties/helpers/animated_properties.mako.rs
View file

@ -324,8 +324,8 @@ impl Interpolate for CalcLengthOrPercentage {
#[inline]
fn interpolate(&self, other: &Self, time: f64) -> Result<Self, ()> {
Ok(CalcLengthOrPercentage {
length: try!(self.length.interpolate(&other.length, time)),
percentage: try!(self.percentage.interpolate(&other.percentage, time)),
length: self.length.interpolate(&other.length, time).ok().and_then(|x|x),
percentage: self.percentage.interpolate(&other.percentage, time).ok().and_then(|x|x),
})
}
}

24
tests/wpt/mozilla/meta/MANIFEST.json
View file

@ -5320,6 +5320,18 @@
"url": "/_mozilla/css/transition_calc.html"
}
],
"css/transition_calc_implicit.html": [
{
"path": "css/transition_calc_implicit.html",
"references": [
[
"/_mozilla/css/transition_calc_implicit_ref.html",
"=="
]
],
"url": "/_mozilla/css/transition_calc_implicit.html"
}
],
"css/translate_clip.html": [
{
"path": "css/translate_clip.html",
@ -12440,6 +12452,18 @@
"url": "/_mozilla/css/transition_calc.html"
}
],
"css/transition_calc_implicit.html": [
{
"path": "css/transition_calc_implicit.html",
"references": [
[
"/_mozilla/css/transition_calc_implicit_ref.html",
"=="
]
],
"url": "/_mozilla/css/transition_calc_implicit.html"
}
],
"css/translate_clip.html": [
{
"path": "css/translate_clip.html",

21
tests/wpt/mozilla/tests/css/transition_calc_implicit.html Normal file
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@ -0,0 +1,21 @@
<!DOCTYPE html>
<link rel='match' href='transition_calc_implicit_ref.html'>
<style>
#inner {
transition: transform 0.01s;
height: 100px;
width: 100px;
transform: translate(1%, 1%);
}
.active {
transform: translate(0px, 1px) !important;
}
</style>
<div id=inner></div>
<script>
requestAnimationFrame(function() {
var inner = document.getElementById('inner');
inner.className = 'active';
requestAnimationFrame(function() {});
});
</script>

1
tests/wpt/mozilla/tests/css/transition_calc_implicit_ref.html Normal file
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@ -0,0 +1 @@
<!DOCTYPE html>