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<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="./resources/common.js"></script>
<script>
promise_test(() => {
return waitUntilLoadedAndAutofocused().then(() => {
outerButton = document.getElementById('outer-button');
assert_equals(document.activeElement, outerButton);
// Test that focus goes to the dialog if the dialog has no focusable elements
var outerDialog = document.getElementById('outer-dialog');
outerDialog.showModal();
assert_equals(document.activeElement, outerDialog);
// Test that an autofocus element in the dialog gets focus.
var dialog = document.getElementById('dialog');
dialog.showModal();
autofocusButton = document.getElementById('autofocus-button');
assert_equals(document.activeElement, autofocusButton);
dialog.close();
// ... or else first focusable element in the dialog gets focus.
autofocusButton.parentNode.removeChild(autofocusButton);
dialog.showModal();
firstButton = document.getElementById('first-button');
assert_equals(document.activeElement, firstButton);
dialog.close();
// ... or else the dialog itself gets focus.;
var buttons = dialog.querySelectorAll('button');
for (var i = 0; i < buttons.length; ++i)
buttons[i].hidden = true;
dialog.showModal();
assert_equals(document.activeElement, dialog);
dialog.close();
document.getElementById('outer-dialog').close();
});
}, "focus when a modal dialog is opened");
</script>
</head>
<body>
<button id="outer-button" autofocus></button>
<dialog id="outer-dialog">
<dialog id="dialog" tabindex=0>
<button disabled></button>
<dialog>
<button autofocus></button>
</dialog>
<button id="first-button"></button>
<div>
<span>
<button id="autofocus-button" autofocus></button>
</span>
</div>
<button id="final-button"></button>
</dialog>
</dialog>
</body>
</html>
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