1 files changed, 54 insertions, 0 deletions
diff --git a/dom/events/test/test_bug1264380.html b/dom/events/test/test_bug1264380.html
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index 000000000..76b9fb46b
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+++ b/dom/events/test/test_bug1264380.html
@@ -0,0 +1,54 @@
+<html>
+<head>
+  <title>Test the dragstart event on the anchor in side shadow DOM</title>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+<script>
+
+SimpleTest.waitForExplicitFinish();
+
+SpecialPowers.pushPrefEnv({"set": [
+  ["dom.webcomponents.enabled", true]
+]});
+
+function runTests()
+{
+  let dragService = SpecialPowers.Cc["@mozilla.org/widget/dragservice;1"].
+    getService(SpecialPowers.Ci.nsIDragService);
+
+  let shadow = document.querySelector('#outter').createShadowRoot();
+  let target = document.createElement('a');
+  let linkText = document.createTextNode("Drag me if you can!");
+  target.appendChild(linkText);
+  target.href = "http://www.mozilla.org/";
+  shadow.appendChild(target);
+
+  let dataTransfer;
+  let trapDrag = function(event) {
+    ok(true, "Got dragstart event");
+    dataTransfer = event.dataTransfer;
+    ok(dataTransfer, "DataTransfer object is available.");
+    is(dataTransfer.mozItemCount, 1, "initial link item count");
+    is(dataTransfer.getData("text/uri-list"), "http://www.mozilla.org/", "link text/uri-list");
+    is(dataTransfer.getData("text/plain"), "http://www.mozilla.org/", "link text/plain");
+  }
+
+  ok(!dragService.getCurrentSession(), "There shouldn't be a drag session!");
+  window.addEventListener("dragstart", trapDrag, true);
+  synthesizeMouse(target, 2, 2, { type: "mousedown" });
+  synthesizeMouse(target, 11, 11, { type: "mousemove" });
+  synthesizeMouse(target, 20, 20, { type: "mousemove" });
+  window.removeEventListener("dragstart", trapDrag, true);
+  ok(dragService.getCurrentSession(), "Drag session is available.");
+  dragService.endDragSession(false);
+  ok(!dragService.getCurrentSession(), "There shouldn't be a drag session anymore!");
+  SimpleTest.finish();
+}
+
+</script>
+
+<body onload="window.setTimeout(runTests, 0);">
+<div id="outter"/>
+</body>
+</html>