1 files changed, 38 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/editing/dnd/crashers/dialog-001.html b/testing/web-platform/tests/html/editing/dnd/crashers/dialog-001.html
new file mode 100644
index 0000000000..9ab62787b0
--- /dev/null
+++ b/testing/web-platform/tests/html/editing/dnd/crashers/dialog-001.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<meta charset='utf-8'>
+<title>drag &amp; drop – crash when drag is interrupted by dialogs</title>
+<style>
+  body > div {
+    height: 200px;
+    width: 200px;
+    background-color: orange;
+    position: absolute;
+    top: 8px;
+    left: 8px;
+  }
+  body > div * {
+    display: none;
+  }
+  body > div + div {
+    background-color: navy;
+    left: 250px;
+  }
+  p {
+    margin-top: 220px;
+  }
+</style>
+
+<script>
+window.onload = function() {
+  var doneonce = false;
+  document.getElementsByTagName('div')[0].ondragstart = function(e) {
+    alert( doneonce ? 'Dismiss this dialog. PASS if the browser does not crash.' : 'Dismiss this dialog. The browser should not crash. Without re-focusing the page first, try dragging the orange square a second time. If a second alert does not appear, release the drag, and then try dragging the orange square a third time.' );
+    doneonce = true;
+  };
+};
+</script>
+
+<div draggable='true' itemscope></div><div></div>
+
+<p>Try to drag the orange square onto the blue square.</p>
+<noscript><p>Enable JavaScript and reload</p></noscript>