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Bug 1676460 [wpt PR 26472] - Test addEventListener abort signal, a=testonly 

Automatic update from web-platform-tests
DOM: signal support for addEventListener()

Tests for https://github.com/whatwg/dom/pull/919.
--

wpt-commits: 625e1310ce19e9dde25b01f9eda0452c6ec274da
wpt-pr: 26472
This commit is contained in:
Benjamin Gruenbaum 2020-12-04 03:54:31 +00:00 коммит произвёл moz-wptsync-bot
Родитель 67c93632bb
Коммит 5004b5c087
2 изменённых файлов: 133 добавлений и 56 удалений
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56
testing/web-platform/tests/dom/abort/addEventListenerAbortController.tentative.html
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@ -1,56 +0,0 @@
<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Joey Arhar" href="mailto:jarhar@chromium.org">
<!-- This behavior has not been specified yet. See https://github.com/whatwg/dom/issues/911 -->
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
test(t => {
const target = new EventTarget();
const controller = new AbortController();
target.addEventListener('testevent', t.step_func(() => {
assert_unreached('testevent should have been canceled by AbortController');
}), {signal: controller.signal});
controller.abort();
target.dispatchEvent(new Event('testevent'));
}, 'Tests support for EventController to cancel event listeners in addEventListener.');
test(t => {
const target = new EventTarget();
const controller = new AbortController();
target.addEventListener('testevent', t.step_func(() => {
assert_unreached('testevent should have been canceled by AbortController');
}), {signal: controller.signal, capture: true});
controller.abort();
target.dispatchEvent(new Event('testevent'));
}, 'Tests support for EventController to cancel capture event listeners in addEventListener.');
test(function() {
let count = 0;
function handler() {
count++;
}
const et = new EventTarget();
const controller = new AbortController();
et.addEventListener('test', handler, { signal: controller.signal });
et.dispatchEvent(new Event('test'));
assert_equals(count, 1, "Adding a signal still adds a listener");
et.dispatchEvent(new Event('test'));
assert_equals(count, 2, "The listener was not added with the once flag");
controller.abort();
et.dispatchEvent(new Event('test'));
assert_equals(count, 2, "Aborting on the controller removes the listener");
et.addEventListener('test', handler, { signal: controller.signal });
et.dispatchEvent(new Event('test'));
assert_equals(count, 2, "Passing an aborted signal never adds the handler");
}, "Passing an AbortSignal to addEventListener options should allow removing a listener");
</script>

133
testing/web-platform/tests/dom/events/AddEventListenerOptions-signal.any.js Normal file
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'use strict';
test(function() {
let count = 0;
function handler() {
count++;
}
const et = new EventTarget();
const controller = new AbortController();
et.addEventListener('test', handler, { signal: controller.signal });
et.dispatchEvent(new Event('test'));
assert_equals(count, 1, "Adding a signal still adds a listener");
et.dispatchEvent(new Event('test'));
assert_equals(count, 2, "The listener was not added with the once flag");
controller.abort();
et.dispatchEvent(new Event('test'));
assert_equals(count, 2, "Aborting on the controller removes the listener");
et.addEventListener('test', handler, { signal: controller.signal });
et.dispatchEvent(new Event('test'));
assert_equals(count, 2, "Passing an aborted signal never adds the handler");
}, "Passing an AbortSignal to addEventListener options should allow removing a listener");
test(function() {
let count = 0;
function handler() {
count++;
}
const et = new EventTarget();
const controller = new AbortController();
et.addEventListener('test', handler, { signal: controller.signal });
et.removeEventListener('test', handler);
et.dispatchEvent(new Event('test'));
assert_equals(count, 0, "The listener was still removed");
}, "Passing an AbortSignal to addEventListener does not prevent removeEventListener");
test(function() {
let count = 0;
function handler() {
count++;
}
const et = new EventTarget();
const controller = new AbortController();
et.addEventListener('test', handler, { signal: controller.signal, once: true });
controller.abort();
et.dispatchEvent(new Event('test'));
assert_equals(count, 0, "The listener was still removed");
}, "Passing an AbortSignal to addEventListener works with the once flag");
test(function() {
let count = 0;
function handler() {
count++;
}
const et = new EventTarget();
const controller = new AbortController();
et.addEventListener('test', handler, { signal: controller.signal, once: true });
et.removeEventListener('test', handler);
et.dispatchEvent(new Event('test'));
assert_equals(count, 0, "The listener was still removed");
}, "Removing a once listener works with a passed signal");
test(function() {
let count = 0;
function handler() {
count++;
}
const et = new EventTarget();
const controller = new AbortController();
et.addEventListener('first', handler, { signal: controller.signal, once: true });
et.addEventListener('second', handler, { signal: controller.signal, once: true });
controller.abort();
et.dispatchEvent(new Event('first'));
et.dispatchEvent(new Event('second'));
assert_equals(count, 0, "The listener was still removed");
}, "Passing an AbortSignal to multiple listeners");
test(function() {
let count = 0;
function handler() {
count++;
}
const et = new EventTarget();
const controller = new AbortController();
et.addEventListener('test', handler, { signal: controller.signal, capture: true });
controller.abort();
et.dispatchEvent(new Event('test'));
assert_equals(count, 0, "The listener was still removed");
}, "Passing an AbortSignal to addEventListener works with the capture flag");
test(function() {
let count = 0;
function handler() {
count++;
}
const et = new EventTarget();
const controller = new AbortController();
et.addEventListener('test', () => {
controller.abort();
}, { signal: controller.signal });
et.addEventListener('test', handler, { signal: controller.signal });
et.dispatchEvent(new Event('test'));
assert_equals(count, 0, "The listener was still removed");
}, "Aborting from a listener does not call future listeners");
test(function() {
let count = 0;
function handler() {
count++;
}
const et = new EventTarget();
const controller = new AbortController();
et.addEventListener('test', () => {
et.addEventListener('test', handler, { signal: controller.signal });
controller.abort();
}, { signal: controller.signal });
et.dispatchEvent(new Event('test'));
assert_equals(count, 0, "The listener was still removed");
}, "Adding then aborting a listener in another listener does not call it");
test(function() {
const et = new EventTarget();
const ac = new AbortController();
let count = 0;
et.addEventListener('foo', () => {
et.addEventListener('foo', () => {
count++;
if (count > 5) ac.abort();
et.dispatchEvent(new Event('foo'));
}, { signal: ac.signal });
et.dispatchEvent(new Event('foo'));
}, { once: true });
et.dispatchEvent(new Event('foo'));
}, "Aborting from a nested listener should remove it");