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<!DOCTYPE html>
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://html.spec.whatwg.org/#the-promiserejectionevent-interface">
<script>
'use strict';
test(function() {
var p = new Promise(function(resolve, reject) {});
assert_throws_js(TypeError,
function() {
PromiseRejectionEvent('', { promise: p });
},
"Calling PromiseRejectionEvent constructor without 'new' must throw");
// No custom options are passed (besides required promise).
assert_equals(new PromiseRejectionEvent('eventType', { promise: p }).bubbles, false);
assert_equals(new PromiseRejectionEvent('eventType', { promise: p }).cancelable, false);
assert_equals(new PromiseRejectionEvent('eventType', { promise: p }).promise, p);
assert_equals(new PromiseRejectionEvent('eventType', { promise: p }).reason, undefined);
// No promise is passed.
assert_throws_js(TypeError,
function() {
new PromiseRejectionEvent('eventType', { bubbles: false });
},
'Cannot construct PromiseRejectionEventInit without promise');
// bubbles is passed.
assert_equals(new PromiseRejectionEvent('eventType', { bubbles: false, promise: p }).bubbles, false);
assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, promise: p }).bubbles, true);
// cancelable is passed.
assert_equals(new PromiseRejectionEvent('eventType', { cancelable: false, promise: p }).cancelable, false);
assert_equals(new PromiseRejectionEvent('eventType', { cancelable: true, promise: p }).cancelable, true);
// reason is passed.
var r = new Error();
assert_equals(new PromiseRejectionEvent('eventType', { promise: p, reason: r }).reason, r);
assert_equals(new PromiseRejectionEvent('eventType', { promise: p, reason: null }).reason, null);
// All initializers are passed.
assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).bubbles, true);
assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).cancelable, true);
assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).promise, p);
assert_equals(new PromiseRejectionEvent('eventType', { bubbles: true, cancelable: true, promise: p, reason: r }).reason, r);
}, "This tests the constructor for the PromiseRejectionEvent DOM class.");
</script>
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