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-rw-r--r--layout/reftests/table-background/table-row-opacity-dynamic-1.html55
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diff --git a/layout/reftests/table-background/table-row-opacity-dynamic-1.html b/layout/reftests/table-background/table-row-opacity-dynamic-1.html
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+++ b/layout/reftests/table-background/table-row-opacity-dynamic-1.html
@@ -0,0 +1,55 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<title>Test for bug 1224253</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><td>cell</td></tr>
+</table>
+
+<script>
+
+var tr = document.getElementsByTagName("tr")[0];
+
+document.addEventListener("MozReftestInvalidate", step1, false);
+
+function step1(event) {
+ requestAnimationFrame(step2);
+}
+
+function step2(now) {
+ tr.style.opacity = "0.8";
+ setTimeout(step3, 0);
+}
+
+function step3() {
+ tr.style.opacity = "0.8";
+ setTimeout(step4, 0);
+}
+
+function step4() {
+ tr.style.opacity = "0.8";
+ document.documentElement.classList.remove("reftest-wait");
+}
+
+</script>