1 files changed, 33 insertions, 0 deletions
diff --git a/testing/web-platform/tests/orientation-event/device-orientation-events-of-detached-documents.https.html b/testing/web-platform/tests/orientation-event/device-orientation-events-of-detached-documents.https.html
new file mode 100644
index 0000000000..c7ad5ecaef
--- /dev/null
+++ b/testing/web-platform/tests/orientation-event/device-orientation-events-of-detached-documents.https.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<title>Device sensor event listeners for `window` of detached documents.</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src="resources/orientation-event-helpers.js"></script>
+<script>
+
+sensor_test(async t => {
+  const childFrame = document.createElement('iframe');
+  childFrame.src = "/common/blank.html";
+  document.body.append(childFrame);
+
+  const childLoadWatcher = new EventWatcher(t, childFrame, ["load"]);
+  await childLoadWatcher.wait_for("load");
+
+  const contentWindow = childFrame.contentWindow;
+  const contentDocument = childFrame.contentDocument;
+
+  document.body.remove(childFrame);
+
+  assert_not_equals(contentWindow, null);
+  assert_not_equals(contentDocument, null);
+  assert_equals(contentDocument.defaultView, null);
+
+  contentWindow.addEventListener("devicemotion", () => {});
+  contentWindow.addEventListener("deviceorientation", () => {});
+  contentWindow.addEventListener("deviceorientationabsolute", () => {});
+
+}, 'Adding an event listener on the window of a detached document does not crash.');
+
+</script>