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<!DOCTYPE html>
<title>Shadow DOM: Event path and Event.composedPath()</title>
<meta name="author" title="Hayato Ito" href="mailto:hayato@google.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/shadow-dom.js"></script>
<div id="test1">
<div id="d1">
<div id="target"></div>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test1);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target', 'd1', 'test1'];
assert_event_path_equals(log,
[['target', 'target', null, path],
['d1', 'target', null, path],
['test1', 'target', null, path]]);
}, 'Event Path without ShadowRoots.');
</script>
<div id="test2">
<div id="host">
<template id="sr" data-mode="open">
<div id="target"></div>
</template>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test2);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target', 'sr', 'host', 'test2'];
assert_event_path_equals(log,
[['target', 'target', null, path],
['sr', 'target', null, path],
['host', 'host', null, path],
['test2', 'host', null, path]]);
}, 'Event Path with an open ShadowRoot.');
</script>
<div id="test3">
<div id="host">
<template id="sr" data-mode="closed">
<div id="target"></div>
</template>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test3);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target','sr', 'host', 'test3'];
let path1 = ['host', 'test3'];
assert_event_path_equals(log, [['target', 'target', null, path],
['sr', 'target', null, path],
['host', 'host', null, path1],
['test3', 'host', null, path1]]);
}, 'Event Path with a closed ShadowRoot.');
</script>
<div id="test4">
<div id="host1">
<template id="sr1" data-mode="open">
<div id="host2">
<template id="sr2" data-mode="open">
<div id="target"></div>
</template>
</div>
</template>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test4);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target', 'sr2', 'host2', 'sr1', 'host1', 'test4'];
assert_event_path_equals(log, [['target', 'target', null, path],
['sr2', 'target', null, path],
['host2', 'host2', null, path],
['sr1', 'host2', null, path],
['host1', 'host1', null, path],
['test4', 'host1', null, path]]);
}, 'Event Path with nested ShadowRoots: open > open.');
</script>
<div id="test5">
<div id="host1">
<template id="sr1" data-mode="open">
<div id="host2">
<template id="sr2" data-mode="closed">
<div id="target"></div>
</template>
</div>
</template>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test5);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target', 'sr2', 'host2', 'sr1', 'host1', 'test5'];
let path1 = ['host2', 'sr1', 'host1', 'test5'];
assert_event_path_equals(log, [['target', 'target', null, path],
['sr2', 'target', null, path],
['host2', 'host2', null, path1],
['sr1', 'host2', null, path1],
['host1', 'host1', null, path1],
['test5', 'host1', null, path1]]);
}, 'Event Path with nested ShadowRoots: open > closed.');
</script>
<div id="test6">
<div id="host1">
<template id="sr1" data-mode="closed">
<div id="host2">
<template id="sr2" data-mode="open">
<div id="target"></div>
</template>
</div>
</template>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test6);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target', 'sr2', 'host2', 'sr1', 'host1', 'test6'];
let path1 = ['host1', 'test6'];
assert_event_path_equals(log, [['target', 'target', null, path],
['sr2', 'target', null, path],
['host2', 'host2', null, path],
['sr1', 'host2', null, path],
['host1', 'host1', null, path1],
['test6', 'host1', null, path1]]);
}, 'Event Path with nested ShadowRoots: closed > open.');
</script>
<div id="test7">
<div id="host1">
<template id="sr1" data-mode="closed">
<div id="host2">
<template id="sr2" data-mode="closed">
<div id="target"></div>
</template>
</div>
</template>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test7);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target', 'sr2', 'host2', 'sr1', 'host1', 'test7'];
let path1 = ['host2', 'sr1', 'host1', 'test7'];
let path2 = ['host1', 'test7'];
assert_event_path_equals(log, [['target', 'target', null, path],
['sr2', 'target', null, path],
['host2', 'host2', null, path1],
['sr1', 'host2', null, path1],
['host1', 'host1', null, path2],
['test7', 'host1', null, path2]]);
}, 'Event Path with nested ShadowRoots: closed > closed.');
</script>
<div id="test8">
<div id="host1">
<template id="sr1" data-mode="open">
<slot id="slot"></slot>
</template>
<div id="target"></div>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test8);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target','slot', 'sr1', 'host1', 'test8'];
assert_event_path_equals(log, [['target', 'target', null, path],
['slot', 'target', null, path],
['sr1', 'target', null, path],
['host1', 'target', null, path],
['test8', 'target', null, path]]);
}, 'Event Path with a slot in an open Shadow Root.');
</script>
<div id="test9">
<div id="host1">
<template id="sr1" data-mode="closed">
<slot id="slot"></slot>
</template>
<div id="target"></div>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test9);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target', 'slot', 'sr1', 'host1', 'test9'];
let path1 = ['target', 'host1', 'test9'];
assert_event_path_equals(log, [['target', 'target', null, path1],
['slot', 'target', null, path],
['sr1', 'target', null, path],
['host1', 'target', null, path1],
['test9', 'target', null, path1]]);
}, 'Event Path with a slot in a closed Shadow Root.');
</script>
<div id="test10">
<div id="host1">
<template id="sr1" data-mode="open">
<div id="host2">
<template id="sr2" data-mode="open">
<slot id="slot2"></slot>
</template>
<slot id="slot1"></slot>
</div>
</template>
<div id="target"></div>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test10);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target','slot1', 'slot2', 'sr2', 'host2', 'sr1', 'host1', 'test10'];
assert_event_path_equals(log, [['target', 'target', null, path],
['slot1', 'target', null, path],
['slot2', 'target', null, path],
['sr2', 'target', null, path],
['host2', 'target', null, path],
['sr1', 'target', null, path],
['host1', 'target', null, path],
['test10', 'target', null, path]]);
}, 'Event Path with slots in nested ShadowRoots: open > open.');
</script>
<div id="test11">
<div id="host1">
<template id="sr1" data-mode="closed">
<div id="host2">
<template id="sr2" data-mode="closed">
<slot id="slot2"></slot>
</template>
<slot id="slot1"></slot>
</div>
</template>
<div id="target"></div>
</div>
</div>
<script>
test(() => {
let n = createTestTree(test11);
let log = dispatchEventWithLog(n, n.target, new Event('my-event', { bubbles: true, composed: true }));
let path = ['target', 'slot1', 'slot2', 'sr2', 'host2', 'sr1', 'host1', 'test11'];
let path1 = ['target', 'slot1', 'host2', 'sr1', 'host1', 'test11'];
let path2 = ['target', 'host1', 'test11'];
assert_event_path_equals(log, [['target', 'target', null, path2],
['slot1', 'target', null, path1],
['slot2', 'target', null, path],
['sr2', 'target', null, path],
['host2', 'target', null, path1],
['sr1', 'target', null, path1],
['host1', 'target', null, path2],
['test11', 'target', null, path2]]);
}, 'Event Path with slots in nested ShadowRoots: closed > closed.');
</script>