1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/editing/dnd/target-origin/HELPER-mustblock.html b/testing/web-platform/tests/html/editing/dnd/target-origin/HELPER-mustblock.html
new file mode 100644
index 0000000000..c7c69ee6b0
--- /dev/null
+++ b/testing/web-platform/tests/html/editing/dnd/target-origin/HELPER-mustblock.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<html>
+  <head>
+    <title>Must be blocked</title>
+    <style type="text/css">
+html { background: fuchsia; }
+html, body { margin: 0; padding: 0; height: 100%; width: 100%; }
+    </style>
+  </head>
+  <body>
+    <script type="text/javascript">
+if( location.search && location.search.indexOf('domain') != -1 ) {
+  document.domain = location.hostname.replace(/^[^.]+\./,'');
+}
+document.body.ondragenter = document.body.ondragleave = document.body.ondragover = document.body.ondrop = function (e) {
+  e.preventDefault();
+  document.body.innerHTML = 'FAIL';
+}
+    </script>
+  </body>
+</html>