1 files changed, 24 insertions, 0 deletions
diff --git a/testing/web-platform/tests/navigation-api/navigate-event/signal-abort-window-stop-in-onnavigate.html b/testing/web-platform/tests/navigation-api/navigate-event/signal-abort-window-stop-in-onnavigate.html
new file mode 100644
index 0000000000..1b406c42d3
--- /dev/null
+++ b/testing/web-platform/tests/navigation-api/navigate-event/signal-abort-window-stop-in-onnavigate.html
@@ -0,0 +1,24 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+async_test(t => {
+  window.onload = t.step_func_done(() => {
+    let abort_signal;
+    let onabort_called = false;
+    let canceled_in_second_handler = false;
+    navigation.addEventListener("navigate", t.step_func(e => {
+      abort_signal = e.signal;
+      abort_signal.onabort = () => onabort_called = true;
+      window.stop();
+    }));
+    navigation.addEventListener("navigate", t.step_func(e => {
+      canceled_in_second_handler = e.defaultPrevented;
+    }));
+    navigation.navigate("?1");
+    assert_true(abort_signal.aborted);
+    assert_true(onabort_called);
+    assert_true(canceled_in_second_handler);
+  });
+}, "window.stop() signals event.signal inside a navigate event handler");
+</script>