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<!doctype html>
<meta charset="utf-8">
<link rel=help href="https://html.spec.whatwg.org/multipage/interactive-elements.html#dom-dialog-request-close">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<dialog>Dialog</dialog>
<script>
function waitForRender() {
return new Promise(resolve => requestAnimationFrame(() => requestAnimationFrame(resolve)));
}
const dialog = document.querySelector('dialog');
function openDialog(openMethod) {
assert_false(dialog.open);
assert_false(dialog.matches(':open'));
switch (openMethod) {
case 'modeless':
dialog.show();
break;
case 'modal':
dialog.showModal();
break;
case 'open':
dialog.open = true;
break;
default:
assert_unreached('Unknown open method');
}
assert_true(dialog.open);
assert_true(dialog.matches(':open'));
assert_equals(dialog.matches(':modal'),openMethod === 'modal');
}
function setup(t,closedby) {
t.add_cleanup(() => {
dialog.close();
dialog.removeAttribute('closedby');
dialog.returnValue = '';
});
assert_false(dialog.hasAttribute('closedby'));
if (closedby) {
dialog.setAttribute('closedby',closedby);
}
return t.get_signal();
}
['modeless','modal','open'].forEach(openMethod => {
[null,'any','closedrequest','none'].forEach(closedby => {
const testDescription = `for ${openMethod} dialog with closedby=${closedby}`;
promise_test(async (t) => {
setup(t,closedby);
openDialog(openMethod);
dialog.requestClose();
assert_false(dialog.open);
assert_false(dialog.matches(':open'));
},`requestClose basic behavior ${testDescription}`);
promise_test(async (t) => {
const signal = setup(t,closedby);
let events = [];
const { promise: untilFullyClosed, resolve: hasClosed } = Promise.withResolvers();
dialog.addEventListener('cancel',() => events.push('cancel'),{signal});
dialog.addEventListener('close',() => {
events.push('close');
hasClosed();
},{signal});
openDialog(openMethod);
assert_array_equals(events,[]);
dialog.requestClose();
assert_false(dialog.open);
assert_false(dialog.matches(':open'));
assert_array_equals(events,['cancel'],'close is scheduled');
await untilFullyClosed;
assert_array_equals(events,['cancel','close']);
},`requestClose fires both cancel and close ${testDescription}`);
promise_test(async (t) => {
const signal = setup(t,'none');
let events = [];
const { promise: untilFullyClosed, resolve: hasClosed } = Promise.withResolvers();
const { promise: untilFullyClosedAgain, resolve: hasClosedAgain } = Promise.withResolvers();
const closeResolvers = [hasClosed, hasClosedAgain];
dialog.addEventListener('cancel',() => events.push('cancel'),{signal});
dialog.addEventListener('close',() => {
events.push('close');
closeResolvers.shift()();
},{signal});
openDialog(openMethod);
dialog.setAttribute('closedby',closedby);
assert_array_equals(events,[]);
dialog.requestClose();
assert_false(dialog.open,'Adding closedby after dialog is open');
assert_false(dialog.matches(':open'));
assert_array_equals(events,['cancel']);
await untilFullyClosed;
events=[];
openDialog(openMethod);
dialog.removeAttribute('closedby');
assert_array_equals(events,[]);
dialog.requestClose();
assert_false(dialog.open,'Removing closedby after dialog is open');
assert_array_equals(events,['cancel']);
await untilFullyClosedAgain;
assert_array_equals(events,['cancel', 'close']);
},`closedby has no effect on dialog.requestClose() ${testDescription}`);
if (closedby != "none") {
promise_test(async (t) => {
const signal = setup(t,closedby);
let shouldPreventDefault = true;
dialog.addEventListener('cancel',(e) => {
if (shouldPreventDefault) {
e.preventDefault();
}
},{signal});
openDialog(openMethod);
dialog.requestClose();
assert_true(dialog.open,'cancel event was cancelled - dialog shouldn\'t close');
assert_true(dialog.matches(':open'));
shouldPreventDefault = false;
dialog.requestClose();
assert_false(dialog.open,'cancel event was not cancelled - dialog should now close');
assert_false(dialog.matches(':open'));
},`requestClose can be cancelled ${testDescription}`);
promise_test(async (t) => {
const signal = setup(t,closedby);
dialog.addEventListener('cancel',(e) => e.preventDefault(),{signal});
openDialog(openMethod);
// No user activation here.
dialog.requestClose();
dialog.requestClose();
dialog.requestClose();
assert_true(dialog.open,'cancel event was cancelled - dialog shouldn\'t close');
assert_true(dialog.matches(':open'));
},`requestClose avoids abuse prevention logic ${testDescription}`);
promise_test(async (t) => {
setup(t,closedby);
openDialog(openMethod);
assert_equals(dialog.returnValue,'','Return value starts out empty');
const returnValue = 'The return value';
dialog.requestClose(returnValue);
assert_false(dialog.open);
assert_false(dialog.matches(':open'));
assert_equals(dialog.returnValue,returnValue,'Return value should be set');
dialog.show();
dialog.close();
assert_equals(dialog.returnValue,returnValue,'Return value should not be changed by close()');
dialog.show();
dialog.close('another');
assert_equals(dialog.returnValue,'another','Return value changes via close(value)');
},`requestClose(returnValue) passes along the return value ${testDescription}`);
promise_test(async (t) => {
setup(t,closedby);
dialog.addEventListener('cancel',(e) => e.preventDefault(),{once:true});
openDialog(openMethod);
dialog.returnValue = 'foo';
assert_equals(dialog.returnValue,'foo');
dialog.requestClose('This should not get saved');
assert_true(dialog.open,'cancelled');
assert_true(dialog.matches(':open'));
assert_equals(dialog.returnValue,'foo','Return value should not be changed');
},`requestClose(returnValue) doesn't change returnvalue when cancelled ${testDescription}`);
}
});
});
promise_test(async (t) => {
setup(t);
dialog.open = true;
dialog.requestClose();
assert_false(dialog.open);
},`requestClose basic behavior when dialog is open via attribute`);
promise_test(async (t) => {
const signal = setup(t);
let events = [];
const { promise: untilFullyClosed, resolve: hasClosed } = Promise.withResolvers();
dialog.addEventListener('cancel',() => events.push('cancel'),{signal});
dialog.addEventListener('close',() => {
events.push('close')
hasClosed();
},{signal});
dialog.open = true;
assert_array_equals(events,[]);
dialog.requestClose();
assert_false(dialog.open);
assert_array_equals(events,['cancel'],'close is scheduled');
await untilFullyClosed;
assert_array_equals(events,['cancel','close']);
},`requestClose fires cancel and close when dialog is open via attribute`);
promise_test(async (t) => {
await setup(t);
dialog.open = true;
assert_equals(dialog.returnValue,'','Return value starts out empty');
const returnValue = 'The return value';
dialog.requestClose(returnValue);
assert_false(dialog.open);
assert_equals(dialog.returnValue,returnValue,'Return value should be set');
dialog.show();
dialog.close();
assert_equals(dialog.returnValue,returnValue,'Return value should not be changed by close()');
dialog.show();
dialog.close('another');
assert_equals(dialog.returnValue,'another','Return value changes via close(value)');
},`requestClose(returnValue) passes along the return value when dialog is open via attribute`);
</script>
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