1 files changed, 48 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..f05be6d0d2
--- /dev/null
+++ b/testing/web-platform/tests/orientation-event/device-orientation-events-of-detached-documents.https.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Device sensor event listeners for `window` of detached documents.</title>
+</head>
+<body>
+<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>
+
+promise_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;
+
+  await test_driver.set_permission({ name: 'accelerometer' }, 'granted', contentWindow);
+  await test_driver.set_permission({ name: 'gyroscope' }, 'granted', contentWindow);
+  await test_driver.set_permission({ name: 'magnetometer' }, 'granted', contentWindow);
+
+  assert_equals(await contentWindow.DeviceOrientationEvent.requestPermission(),
+                'granted');
+  assert_equals(await contentWindow.DeviceMotionEvent.requestPermission(),
+                'granted');
+
+  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>
+</body>
+</html>