1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/navigation-api/navigate-event/intercept-handler-throws.html b/testing/web-platform/tests/navigation-api/navigate-event/intercept-handler-throws.html
new file mode 100644
index 0000000000..769f675999
--- /dev/null
+++ b/testing/web-platform/tests/navigation-api/navigate-event/intercept-handler-throws.html
@@ -0,0 +1,26 @@
+<!doctype html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script>
+async_test(t => {
+  const err = new TypeError("a message");
+  let start_href = location.href;
+
+  navigation.onnavigatesuccess = t.step_func_done(assert_unreached);
+  navigation.onnavigateerror = t.step_func_done(e => {
+    assert_equals(location.hash, "#1");
+    assert_equals(e.constructor, ErrorEvent);
+    assert_true(e.error === err);
+    assert_equals(e.message, "Uncaught TypeError: a message");
+    assert_equals(e.filename, start_href);
+    assert_greater_than(e.colno, 0);
+    assert_greater_than(e.lineno, 0);
+  });
+  navigation.onnavigate = e => {
+    e.intercept({ handler() { throw err; }});
+  };
+
+  location.href = "#1";
+  assert_equals(location.hash, "#1");
+}, "event.intercept() should abort if the handler throws");
+</script>