| <!DOCTYPE html> |
| <link rel=author href="mailto:jarhar@chromium.org"> |
| <link rel=author href="mailto:falken@chromium.org"> |
| <link rel=help href="https://html.spec.whatwg.org/multipage/interactive-elements.html#the-dialog-element"> |
| <link rel=help href="https://bugs.chromium.org/p/chromium/issues/detail?id=276785"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <dialog></dialog> |
| |
| <script> |
| async_test(t => { |
| document.addEventListener('close', t.step_func_done(() => { |
| t.assert_unreached(`The 'close' event unexpectedly bubbled.`); |
| })); |
| |
| closedCount = 0; |
| dialog = document.querySelector('dialog'); |
| dialog.addEventListener('close', function(event) { |
| const selfDialog = this; |
| t.step(() => { |
| closedCount++; |
| assert_equals(selfDialog, dialog); |
| assert_false(dialog.open); |
| assert_false(event.cancelable); |
| event.preventDefault(); |
| |
| if (closedCount == 1) { |
| dialog.show(); |
| dialog.close(); |
| assert_equals(closedCount, 1, `dialog's close event handler shouldn't be called synchronously.`); |
| } else if (closedCount == 2) { |
| t.done(); |
| } |
| }); |
| }); |
| |
| dialog.show(); |
| dialog.close(); |
| |
| // Verify that preventDefault() didn't cancel closing. |
| assert_false(dialog.open); |
| |
| // dialog's close event handler shouldn't be called synchronously. |
| assert_equals(closedCount, 0); |
| }, "Test that dialog receives a close event upon closing."); |
| </script> |
