1 files changed, 27 insertions, 0 deletions
diff --git a/layout/reftests/margin-collapsing/block-em-length-1-ref.html b/layout/reftests/margin-collapsing/block-em-length-1-ref.html
new file mode 100644
index 0000000000..848a2382fd
--- /dev/null
+++ b/layout/reftests/margin-collapsing/block-em-length-1-ref.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html>
+<head>
+<style type="text/css">
+body {
+ font-size: 20px;
+}
+#block1 {
+ height: 20px;
+ background-color: blue;
+}
+#spacer {
+ font-size: 50px;
+ height: 5em;
+}
+#block2 {
+ height: 20px;
+ background-color: blue;
+}
+</style>
+</head>
+<body>
+<div id="block1"></div>
+<div id="spacer"></div>
+<div id="block2"></div>
+</body>
+</html>