1 files changed, 54 insertions, 0 deletions
diff --git a/layout/reftests/table-background/table-row-opacity-dynamic-2.html b/layout/reftests/table-background/table-row-opacity-dynamic-2.html
new file mode 100644
index 0000000000..cf9a5fd485
--- /dev/null
+++ b/layout/reftests/table-background/table-row-opacity-dynamic-2.html
@@ -0,0 +1,54 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<title>Test for bug 1224251</title>
+<style>
+
+body { background: white; color: black }
+
+table {
+  padding: 0;
+  border-spacing: 0;
+  border: none;
+  width: 15em;
+}
+
+tr {
+  background: rgba(0, 0, 255, 0.8);
+}
+
+td {
+  border: none;
+}
+
+</style>
+
+
+<table>
+  <tr style="opacity: 0.8"><td>cell</td></tr>
+</table>
+
+<script>
+
+var tr = document.getElementsByTagName("tr")[0];
+
+// Not sure why, but to make this test fail without the patch, this has to
+// be a setTimeout(0) rather than waiting for MozReftestInvalidate.
+setTimeout(step1, 0);
+
+function step1() {
+  tr.style.opacity = "0.8";
+  setTimeout(step2, 0);
+}
+
+function step2() {
+  tr.style.opacity = "0.8";
+  setTimeout(step3, 0);
+}
+
+function step3() {
+  tr.style.opacity = "";
+
+  document.documentElement.classList.remove("reftest-wait");
+}
+
+</script>