1 files changed, 33 insertions, 0 deletions
diff --git a/testing/web-platform/tests/screen-orientation/fullscreen-interactions.html b/testing/web-platform/tests/screen-orientation/fullscreen-interactions.html
new file mode 100644
index 0000000000..cffacc1f4f
--- /dev/null
+++ b/testing/web-platform/tests/screen-orientation/fullscreen-interactions.html
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<meta charset="utf-8" />
+<meta viewport="width=device-width, initial-scale=1" />
+<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 type="module">
+  import {
+    getOppositeOrientation,
+    attachIframe,
+  } from "./resources/orientation-utils.js";
+
+  promise_test(async (t) => {
+    await test_driver.bless("request full screen");
+    await document.documentElement.requestFullscreen();
+    const lockPromise = screen.orientation.lock(getOppositeOrientation());
+    await document.exitFullscreen();
+    await promise_rejects_dom(t, "AbortError", lockPromise);
+  }, "Fully unlocking the screen orientation causes a pending lock to be aborted");
+
+  promise_test(async (t) => {
+    const iframe = await attachIframe();
+    await test_driver.bless("request full screen");
+    await document.documentElement.requestFullscreen();
+    const lockPromise = iframe.contentWindow.screen.orientation.lock(
+      getOppositeOrientation()
+    );
+    await document.exitFullscreen();
+    const frameDOMException = iframe.contentWindow.DOMException;
+    await promise_rejects_dom(t, "AbortError", frameDOMException, lockPromise);
+  }, "Fully unlocking the screen orientation causes a pending lock in a nested browsing context to be aborted");
+</script>