Bug 1366144: Test. r=heycam

MozReview-Commit-ID: Dx1rFw0BZHm --HG-- extra : rebase_source : 2a07111ebe30c8c9f456b97de2bbed0d9ada7e63
2017-05-20 03:42:15 +02:00 · 2017-05-20 03:42:15 +02:00 · fa786ffb93
--- a/layout/reftests/bugs/1366144-ref.html
+++ b/layout/reftests/bugs/1366144-ref.html
@ -0,0 +1,5 @@
+<!DOCTYPE html>
+<style>
+  div::after { color: green; content: "Bar"; }
+</style>
+<div></div>
--- a/layout/reftests/bugs/1366144.html
+++ b/layout/reftests/bugs/1366144.html
@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<style>
+  div::after { color: green }
+  div.foo::after { content: "Bar" }
+</style>
+<div></div>
+<script>
+  onload = function() {
+    document.querySelector('div').classList.add('foo');
+  }
+</script>
--- a/layout/reftests/bugs/reftest.list
+++ b/layout/reftests/bugs/reftest.list
@ -2004,3 +2004,4 @@ fails-if(stylo) == 1348481-3.html 1348481-ref.html
 == 1364280-2b.html 1364280-2-ref.html
 == 1364280-2c.html 1364280-2-ref.html
 == 1364335.html 1364335-ref.html
+== 1366144.html 1366144-ref.html