1 files changed, 40 insertions, 0 deletions
diff --git a/testing/web-platform/tests/navigation-api/navigate-event/signal-abort-window-stop-after-intercept.html b/testing/web-platform/tests/navigation-api/navigate-event/signal-abort-window-stop-after-intercept.html
new file mode 100644
index 0000000000..51ba7753a8
--- /dev/null
+++ b/testing/web-platform/tests/navigation-api/navigate-event/signal-abort-window-stop-after-intercept.html
@@ -0,0 +1,40 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+async_test(t => {
+  window.onload = t.step_func(() => {
+    let start_url = location.href;
+    let abort_signal;
+    let onabort_called = false;
+    let navigateErrorException;
+    navigation.onnavigateerror = t.step_func(e => {
+      assert_equals(e.constructor, ErrorEvent);
+      navigateErrorException = e.error;
+      assert_equals(e.filename, start_url);
+      assert_greater_than(e.lineno, 0);
+      assert_greater_than(e.colno, 0);
+    });
+    navigation.onnavigatesuccess = t.unreached_func("onnavigatesuccess");
+    navigation.onnavigate = t.step_func(e => {
+      abort_signal = e.signal;
+      abort_signal.onabort = () => onabort_called = true;
+      e.intercept({ handler: () => new Promise(resolve => t.step_timeout(resolve, 0)) });
+    });
+    let result = navigation.navigate("?1");
+    window.stop();
+    assert_true(abort_signal.aborted);
+    assert_true(onabort_called);
+
+    result.committed.then(() => {
+      return promise_rejects_dom(t, 'AbortError', result.finished);
+    }).then(() => {
+      return result.finished.catch(e => assert_equals(e, navigateErrorException));
+    }).then(() => {
+      // Complete the test asynchronously to ensure that onnavigatesuccess
+      // didn't fire on a microtask.
+      t.step_timeout(t.step_func_done(() => {}), 5);
+    });
+  });
+}, "window.stop() cancels the navigate event's intercept() and signals event.signal");
+</script>