blob: 449ae2c204ec32801860f5cac3847c9a49dd9368 [file] [log] [blame]
<!DOCTYPE html>
<script src='../resources/testharness.js'></script>
<script src='../resources/testharnessreport.js'></script>
<script src='resources/shadow-dom.js'></script>
<div id='d1'>
<template data-mode='open' data-expose-as='d1_shadow'>
<slot name='d1-s1'></slot>
</template>
<div id='d2' slot='d1-s1'></div>
</div>
<script>
'use strict';
convertTemplatesToShadowRootsWithin(d1);
removeWhiteSpaceOnlyTextNodes(d1);
async_test((test) => {
const d1_s1 = d1_shadow.querySelector('slot');
assert_array_equals(d1_s1.assignedNodes(), [d2]);
assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2]);
d1_s1.addEventListener('slotchange', (e) => {
test.step(() => {
assert_equals(e.target, d1_s1);
assert_array_equals(d1_s1.assignedNodes(), [d2, d3]);
assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2, d3]);
assert_equals(e.scoped, true);
test.done();
});
});
const d3 = document.createElement('div');
d3.setAttribute('id', 'd3');
d3.setAttribute('slot', 'd1-s1');
d1.appendChild(d3);
}, "slotchange event caused by appending a host child");
</script>