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<!DOCTYPE html>
<meta charset=urf-8>
<title>EventTarget#dispatchEvent(): redispatching a native event</title>
<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>
<button>click me!</button>
<div id=log></div>
<script>
var test_contentLoaded_redispatching = async_test("Redispatching DOMContentLoaded event after being dispatched");
var test_mouseup_redispatching = async_test("Redispatching mouseup event whose default action dispatches a click event");
var test_redispatching_of_dispatching_event = async_test("Redispatching event which is being dispatched");
var buttonElement = document.querySelector("button");
var contentLoadedEvent;
var waitForLoad = new Promise(resolve => {
window.addEventListener("load", () => { requestAnimationFrame(resolve); }, {capture: false, once: true});
});
document.addEventListener("DOMContentLoaded", event => {
contentLoadedEvent = event;
test_redispatching_of_dispatching_event.step(() => {
assert_throws_dom("InvalidStateError", () => {
document.dispatchEvent(contentLoadedEvent);
}, "Trusted DOMContentLoaded event");
});
}, {capture: true, once: true});
window.addEventListener("load", loadEvent => {
let untrustedContentLoadedEvent;
buttonElement.addEventListener("DOMContentLoaded", event => {
untrustedContentLoadedEvent = event;
test_contentLoaded_redispatching.step(() => {
assert_false(untrustedContentLoadedEvent.isTrusted, "Redispatched DOMContentLoaded event shouldn't be trusted");
});
test_redispatching_of_dispatching_event.step(() => {
assert_throws_dom("InvalidStateError", () => {
document.dispatchEvent(untrustedContentLoadedEvent);
}, "Untrusted DOMContentLoaded event");
});
});
test_contentLoaded_redispatching.step(() => {
assert_true(contentLoadedEvent.isTrusted, "Received DOMContentLoaded event should be trusted before redispatching");
buttonElement.dispatchEvent(contentLoadedEvent);
assert_false(contentLoadedEvent.isTrusted, "Received DOMContentLoaded event shouldn't be trusted after redispatching");
assert_not_equals(untrustedContentLoadedEvent, undefined, "Untrusted DOMContentLoaded event should've been fired");
test_contentLoaded_redispatching.done();
});
}, {capture: true, once: true});
async function testMouseUpAndClickEvent() {
let mouseupEvent;
buttonElement.addEventListener("mouseup", event => {
mouseupEvent = event;
test_mouseup_redispatching.step(() => {
assert_true(mouseupEvent.isTrusted, "First mouseup event should be trusted");
});
test_redispatching_of_dispatching_event.step(() => {
assert_throws_dom("InvalidStateError", () => {
buttonElement.dispatchEvent(mouseupEvent);
}, "Trusted mouseup event");
});
}, {once: true});
let clickEvent;
buttonElement.addEventListener("click", event => {
clickEvent = event;
test_mouseup_redispatching.step(() => {
assert_true(clickEvent.isTrusted, "First click event should be trusted");
});
test_redispatching_of_dispatching_event.step(() => {
assert_throws_dom("InvalidStateError", function() {
buttonElement.dispatchEvent(event);
}, "Trusted click event");
});
buttonElement.addEventListener("mouseup", event => {
test_mouseup_redispatching.step(() => {
assert_false(event.isTrusted, "Redispatched mouseup event shouldn't be trusted");
});
test_redispatching_of_dispatching_event.step(() => {
assert_throws_dom("InvalidStateError", function() {
buttonElement.dispatchEvent(event);
}, "Untrusted mouseup event");
});
}, {once: true});
function onClick() {
test_mouseup_redispatching.step(() => {
assert_true(false, "click event shouldn't be fired for dispatched mouseup event");
});
}
test_mouseup_redispatching.step(() => {
assert_true(mouseupEvent.isTrusted, "Received mouseup event should be trusted before redispatching from click event listener");
buttonElement.addEventListener("click", onClick);
buttonElement.dispatchEvent(mouseupEvent);
buttonElement.removeEventListener("click", onClick);
assert_false(mouseupEvent.isTrusted, "Received mouseup event shouldn't be trusted after redispatching");
assert_true(clickEvent.isTrusted, "First click event should still be trusted even after redispatching mouseup event");
});
}, {once: true});
await waitForLoad;
let bounds = buttonElement.getBoundingClientRect();
test(() => { assert_true(true); }, `Synthesizing click on button...`);
new test_driver.click(buttonElement)
.then(() => {
test_mouseup_redispatching.step(() => {
assert_not_equals(clickEvent, undefined, "mouseup and click events should've been fired");
});
test_mouseup_redispatching.done();
test_redispatching_of_dispatching_event.done();
}, (reason) => {
test_mouseup_redispatching.step(() => {
assert_true(false, `Failed to send mouse click due to ${reason}`);
});
test_mouseup_redispatching.done();
test_redispatching_of_dispatching_event.done();
});
}
testMouseUpAndClickEvent();
</script>
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