1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/tests/navigation-api/navigate-event/defaultPrevented-navigation-preempted.html b/testing/web-platform/tests/navigation-api/navigate-event/defaultPrevented-navigation-preempted.html
new file mode 100644
index 0000000000..1df4f56c5e
--- /dev/null
+++ b/testing/web-platform/tests/navigation-api/navigate-event/defaultPrevented-navigation-preempted.html
@@ -0,0 +1,19 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+test(() => {
+  let navigateEvent;
+  let navigateError_called = false;
+  navigation.onnavigate = e => navigateEvent = e;
+  navigation.onnavigateerror = () => navigateError_called = true;
+
+  navigation.navigate("#1");
+  assert_false(navigateEvent.defaultPrevented);
+  assert_false(navigateError_called);
+
+  navigation.navigate("#2");
+  assert_false(navigateEvent.defaultPrevented);
+  assert_true(navigateError_called);
+}, "navigateEvent.defaultPrevented isn't affected when the navigation is preempted after dispatch");
+</script>