1 files changed, 29 insertions, 0 deletions
diff --git a/layout/reftests/margin-collapsing/block-sibling-1b-dyn.html b/layout/reftests/margin-collapsing/block-sibling-1b-dyn.html
new file mode 100644
index 0000000000..cb6ef604a4
--- /dev/null
+++ b/layout/reftests/margin-collapsing/block-sibling-1b-dyn.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<style type="text/css">
+#sibling1 {
+ height: 20px;
+ background-color: green;
+ margin-bottom: 20px;
+}
+#sibling2 {
+ display: none;
+ height: 20px;
+ background-color: green;
+ margin-top: 10px;
+}
+</style>
+<script type="text/javascript">
+function test() {
+ document.getElementById('sibling2').style.display = 'block';
+ document.documentElement.removeAttribute('class');
+}
+document.addEventListener('MozReftestInvalidate', test);
+</script>
+</head>
+<body>
+<div id="sibling1"></div>
+<div id="sibling2"></div>
+</body>
+</html>