| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| async_test(t => { |
| navigation.onnavigate = t.step_func_done(e => { |
| assert_throws_js(TypeError, () => e.intercept({ handler: null })); |
| }); |
| |
| location.href = "#1"; |
| assert_equals(location.hash, "#1"); |
| }, "event.intercept() should throw if the handler is null"); |
| |
| async_test(t => { |
| navigation.onnavigatesuccess = t.step_func_done(e => {}); |
| navigation.onnavigate = e => e.intercept({ handler: undefined }); |
| |
| location.href = "#2"; |
| assert_equals(location.hash, "#2"); |
| }, "event.intercept() should not throw if the handler is explicit undefined"); |
| </script> |
