| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../../external/wpt/html/interaction/focus/the-autofocus-attribute/resources/utils.js"></script> |
| <body> |
| <iframe src="resources/state-restore-dynamic-controls-frame.html"></iframe> |
| <script> |
| // A Promise for this function is resolved when the child frame dispatches |
| // a 'pageshow' event. |
| let promiseResolver = null; |
| |
| promise_test(async t => { |
| await new Promise((resolve, reject) => { |
| window.promiseResolver = resolve; |
| }); |
| const iframe = document.querySelector('iframe'); |
| const container = iframe.contentDocument.querySelector('div'); |
| // Change states of controls |
| container.firstChild.click(); |
| container.lastChild.focus(); |
| eventSender.keyDown('z'); |
| assert_true(container.firstChild.checked, 'sanity check for a checkbox'); |
| assert_equals(container.lastChild.value, 'z', 'sanity check for a text field'); |
| |
| // Navigate |
| iframe.src = 'data:text/html,<h1></h1>'; |
| await waitForEvent(iframe, 'load', {once:true}); |
| |
| // Navigate back |
| await new Promise((resolve, reject) => { |
| window.promiseResolver = resolve; |
| history.back(); |
| }); |
| |
| // Wait until finishing the scheduled restore task. |
| await timeOut(t, 0); |
| const inputs = iframe.contentDocument.querySelectorAll('input'); |
| assert_true(inputs[0].checked, 'Checkbox state should be restored.'); |
| assert_equals(inputs[1].value, 'z', 'Text field state should be restored.'); |
| assert_false(inputs[2].checked, 'Checkbox should have initial value.'); |
| assert_equals(inputs[3].value, '', 'Text field should have initial value.'); |
| }, 'Control states should be restored correctly even if controls were inserted before existing controls.'); |
| </script> |
