1 files changed, 36 insertions, 0 deletions
diff --git a/layout/reftests/margin-collapsing/column-sibling-1a-dyn.html b/layout/reftests/margin-collapsing/column-sibling-1a-dyn.html
new file mode 100644
index 0000000000..c296d8ea43
--- /dev/null
+++ b/layout/reftests/margin-collapsing/column-sibling-1a-dyn.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+<style type="text/css">
+#block1, #block2 {
+ height: 20px;
+ background-color: orange;
+}
+#block1 {
+ margin-bottom: 10px;
+}
+#multi-column {
+ display: none;
+ column-count: 1;
+ height: 20px;
+ margin: 20px 0;
+ background-color: blue;
+}
+#block2 {
+ margin-top: 10px;
+}
+</style>
+<script type="text/javascript">
+function test() {
+ document.getElementById('multi-column').style.display = 'block';
+ document.documentElement.removeAttribute('class');
+}
+document.addEventListener('MozReftestInvalidate', test);
+</script>
+</head>
+<body>
+<div id="block1"></div>
+<div id="multi-column"></div>
+<div id="block2"></div>
+</body>
+</html>