1 files changed, 36 insertions, 0 deletions
diff --git a/layout/reftests/margin-collapsing/block-overflow-3-dyn.html b/layout/reftests/margin-collapsing/block-overflow-3-dyn.html
new file mode 100644
index 0000000000..995c17b59f
--- /dev/null
+++ b/layout/reftests/margin-collapsing/block-overflow-3-dyn.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<style type="text/css">
+.separator {
+ height: 20px;
+ background-color: blue;
+}
+#overflow {
+ overflow-y: visible;
+ height: 200px;
+ margin: 20px 0;
+ background-color: lightgreen;
+}
+#child {
+ height: 160px;
+ margin: 40px 0;
+ background-color: green;
+}
+</style>
+<script type="text/javascript">
+function test() {
+ document.getElementById('overflow').style.overflowY = 'scroll';
+ document.documentElement.removeAttribute('class');
+}
+document.addEventListener('MozReftestInvalidate', test);
+</script>
+</head>
+<body>
+<div class="separator"></div>
+<div id="overflow">
+ <div id="child"></div>
+</div>
+<div class="separator"></div>
+</body>
+</html>