1 files changed, 13 insertions, 0 deletions
diff --git a/layout/reftests/first-line/insertion-in-first-line-10.html b/layout/reftests/first-line/insertion-in-first-line-10.html
new file mode 100644
index 0000000000..60f6898df5
--- /dev/null
+++ b/layout/reftests/first-line/insertion-in-first-line-10.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<style>
+  div { color: red; }
+  div::first-line { color: green }
+  #y { display: inline-block; }
+</style>
+<div id="x"><span id="y">This should be </span></div>
+<script>
+  x.offsetWidth;
+  var span = document.createElement('span');
+  span.textContent = 'green';
+  y.appendChild(span);
+</script>