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<!DOCTYPE html>
<title>Shadow DOM: Event dispatch post result for event properties.</title>
<meta name="author" title="Eriko Kurimoto" href="mailto:elkurin@google.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/shadow-dom.js"></script>
<script src="resources/event-path-test-helpers.js"></script>
<div id="test1">
<div id="d1">
<div id="target"></div>
</div>
</div>
<script>
let n1 = createTestTree(test1);
document.body.appendChild(n1.test1);
test(() => {
let log = dispatchEventWithEventLog(n1, n1.target, new Event('my-event', { bubbles: true, composed: true }));
assert_equals(log.event.target, n1.target);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch without ShadowRoots (composed: true).');
test(() => {
let log = dispatchEventWithEventLog(n1, n1.target, new Event('my-event', { bubbles: true, composed: false }));
assert_equals(log.event.target, n1.target);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch without ShadowRoots (composed: false).');
document.body.removeChild(n1.test1);
</script>
<div id="test2">
<div id="host">
<template id="sr" data-mode="open">
<div id="target"></div>
</template>
</div>
</div>
<script>
let n2 = createTestTree(test2);
document.body.appendChild(n2.test2);
test(() => {
let log = dispatchEventWithEventLog(n2, n2.target, new Event('my-event', { bubbles: true, composed: true }));
assert_equals(log.event.target, n2.host);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with an open ShadowRoot (composed: true).');
test(() => {
let log = dispatchEventWithEventLog(n2, n2.target, new Event('my-event', { bubbles: true, composed: false }));
assert_equals(log.event.target, null);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with an open ShadowRoot (composed: false).');
document.body.removeChild(n2.test2);
</script>
<div id="test3">
<div id="host">
<template id="sr" data-mode="closed">
<div id="target"></div>
</template>
</div>
</div>
<script>
let n3 = createTestTree(test3);
document.body.appendChild(n3.test3);
test(() => {
let log = dispatchEventWithEventLog(n3, n3.target, new Event('my-event', { bubbles: true, composed: true }));
assert_equals(log.event.target, n3.host);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with a closed ShadowRoot (composed: true).');
test(() => {
let log = dispatchEventWithEventLog(n3, n3.target, new Event('my-event', { bubbles: true, composed: false }));
assert_equals(log.event.target, null);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with a closed ShadowRoot (composed: false).');
document.body.removeChild(n3.test3);
</script>
<div id="test4">
<div id="host1">
<template id="sr" data-mode="open">
<div id="host2">
<template id="sr" data-mode="open">
<div id="target"></div>
</template>
</div>
</template>
</div>
</div>
<script>
let n4 = createTestTree(test4);
document.body.appendChild(n4.test4);
test(() => {
let log = dispatchEventWithEventLog(n4, n4.target, new Event('my-event', { bubbles: true, composed: true }));
assert_equals(log.event.target, n4.host1);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with nested ShadowRoots (composed: true).');
test(() => {
let log = dispatchEventWithEventLog(n4, n4.target, new Event('my-event', { bubbles: true, composed: false }));
assert_equals(log.event.target, null);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with nested ShadowRoots (composed: false).');
document.body.removeChild(n4.test4);
</script>
<div id="test5">
<div id="host">
<template id="sr" data-mode="open">
<div id="relatedTarget">
<div id="target"></div>
</div>
</template>
</div>
</div>
<script>
let n5 = createTestTree(test5);
document.body.appendChild(n5.test5);
test(() => {
let log = dispatchEventWithEventLog(n5, n5.target, new MouseEvent('my-event', {bubbles: true, composed: true, relatedTarget: n5.relatedTarget}));
assert_equals(log.event.target, null);
assert_equals(log.event.relatedTarget, null);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with relatedTarget in the same shadow tree. (composed: true)');
test(() => {
let log = dispatchEventWithEventLog(n5, n5.target, new MouseEvent('my-event', {bubbles: true, composed: false, relatedTarget: n5.relatedTarget}));
assert_equals(log.event.target, null);
assert_equals(log.event.relatedTarget, null);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with relatedTarget in the same shadow tree. (composed: false)');
document.body.removeChild(n5.test5);
</script>
<div id="test6">
<div id="host">
<template id="sr" data-mode="open">
<div id="target"></div>
</template>
</div>
<div id="relatedTarget"></div>
</div>
<script>
let n6 = createTestTree(test6);
document.body.appendChild(n6.test6);
test(() => {
let log = dispatchEventWithEventLog(n6, n6.target, new MouseEvent('my-event', {bubbles: true, composed: true, relatedTarget: n6.relatedTarget}));
assert_equals(log.event.target, n6.host);
assert_equals(log.event.relatedTarget, n6.relatedTarget);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with relatedTarget in the document tree and the shadow tree. (composed: true)');
test(() => {
let log = dispatchEventWithEventLog(n6, n6.target, new MouseEvent('my-event', {bubbles: true, composed: false, relatedTarget: n6.relatedTarget}));
assert_equals(log.event.target, null);
assert_equals(log.event.relatedTarget, null);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with relatedTarget in the document tree and the shadow tree. (composed: false)');
document.body.removeChild(n6.test6);
</script>
<div id="test7">
<div id="host1">
<template id="sr1" data-mode="open">
<div id="target"></div>
</template>
</div>
<div id="host2">
<template id="sr2" data-mode="open">
<div id="relatedTarget"></div>
</template>
</div>
</div>
<script>
let n7 = createTestTree(test7);
document.body.appendChild(n7.test7);
test(() => {
let log = dispatchEventWithEventLog(n7, n7.target, new MouseEvent('my-event', {bubbles: true, composed: true, relatedTarget: n7.relatedTarget}));
assert_equals(log.event.target, n7.host1);
assert_equals(log.event.relatedTarget, n7.host2);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with relatedTarget in the different shadow trees. (composed: true)');
test(() => {
let log = dispatchEventWithEventLog(n7, n7.target, new MouseEvent('my-event', {bubbles: true, composed: false, relatedTarget: n7.relatedTarget}));
assert_equals(log.event.target, null);
assert_equals(log.event.relatedTarget, null);
assert_equals(log.event.eventPhase, 0);
assert_equals(log.event.currentTarget, null);
assert_equals(log.event.composedPath().length, 0);
}, 'Event properties post dispatch with relatedTarget in the different shadow trees. (composed: false)');
document.body.removeChild(n7.test7);
test(t => {
let host = document.createElement("div");
let shadow = host.attachShadow({ mode: "open" });
let target = shadow.appendChild(document.createElement("trala"));
let eventListenerCalled = false;
target.addEventListener("my-event", t.step_func(e => {
eventListenerCalled = true;
assert_equals(window.event, undefined);
// Move target node out of shadow tree.
host.appendChild(target);
}));
let event = new MouseEvent('my-event', {composed: false, relatedTarget: host});
target.dispatchEvent(event);
assert_true(eventListenerCalled);
assert_equals(event.target, null, "target should have been cleared");
assert_equals(event.relatedTarget, null, "relatedTarget should have been cleared");
assert_equals(event.eventPhase, 0);
assert_equals(event.currentTarget, null);
assert_equals(event.composedPath().length, 0);
}, 'Event properties post dispatch when target get moved out of the shadow tree by event listener');
test(t => {
let host = document.createElement("div");
let shadow = host.attachShadow({ mode: "open" });
let target = host.appendChild(document.createElement("trala"));
let eventListenerCalled = false;
target.addEventListener("my-event", t.step_func(e => {
assert_equals(window.event, e);
}));
target.addEventListener("my-event", t.step_func(e => {
eventListenerCalled = true;
assert_equals(window.event, e);
// Move target node into the shadow tree.
shadow.append(target);
}));
target.addEventListener("my-event", t.step_func(e => {
assert_equals(window.event, e);
}));
let event = new MouseEvent('my-event', {composed: false, relatedTarget: host});
target.dispatchEvent(event);
assert_true(eventListenerCalled);
// targets should not have been cleared since the node was not in the shadow tree when the event was initially dispatched.
assert_equals(event.target, target, "Target should not have been cleared");
assert_equals(event.relatedTarget, host, "relatedTarget should not have been cleared");
assert_equals(event.eventPhase, 0);
assert_equals(event.currentTarget, null);
assert_equals(event.composedPath().length, 0);
}, 'Event properties post dispatch when target get moved into the shadow tree by event listener');
</script>
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