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<!DOCTYPE html>
<html>
<body>
<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
<meta name="assert" content="Selection's collapse and extend should abort only when the node's root is not connected">
<link rel="help" href="https://w3c.github.io/selection-api/#dom-selection-collapse">
<link rel="help" href="https://w3c.github.io/selection-api/#dom-selection-extend">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="container"></div>
<script>
test(() => {
const host = document.createElement('div');
container.appendChild(host);
const shadowRoot = host.attachShadow({mode: 'closed'});
shadowRoot.innerHTML = '<div contenteditable><p>hello, world</p></div>';
const textNode = shadowRoot.querySelector('p').firstChild;
getSelection().removeAllRanges();
getSelection().collapse(textNode, 5);
const ranges = getSelection().getComposedRanges(shadowRoot);
assert_equals(ranges.length, 1);
assert_equals(ranges[0].startContainer, textNode);
assert_equals(ranges[0].startOffset, 5);
assert_equals(ranges[0].endContainer, textNode);
assert_equals(ranges[0].endOffset, 5);
assert_true(ranges[0].collapsed);
}, 'collapse can set selection to a node inside a shadow tree');
test(() => {
const host = document.createElement('div');
const shadowRoot = host.attachShadow({mode: 'closed'});
shadowRoot.innerHTML = '<div contenteditable><p>hello, world</p></div>';
const textNode = shadowRoot.querySelector('p').firstChild;
getSelection().removeAllRanges();
getSelection().collapse(textNode, 5);
const ranges = getSelection().getComposedRanges(shadowRoot);
assert_equals(ranges.length, 0);
}, 'collapse abort steps when called with a disconnected node inside a shadow tree');
test(() => {
const host = document.createElement('div');
container.appendChild(host);
const shadowRoot = host.attachShadow({mode: 'closed'});
shadowRoot.innerHTML = '<div contenteditable><p>hello, world</p></div>';
const textNode = shadowRoot.querySelector('p').firstChild;
getSelection().removeAllRanges();
getSelection().collapse(textNode, 5);
let ranges = getSelection().getComposedRanges(shadowRoot);
assert_equals(ranges.length, 1);
getSelection().extend(textNode, 11);
ranges = getSelection().getComposedRanges(shadowRoot);
assert_equals(ranges.length, 1);
assert_equals(ranges[0].startContainer, textNode);
assert_equals(ranges[0].startOffset, 5);
assert_equals(ranges[0].endContainer, textNode);
assert_equals(ranges[0].endOffset, 11);
assert_false(ranges[0].collapsed);
}, 'extend can set selection to a node inside a shadow tree');
test(() => {
const host = document.createElement('div');
const shadowRoot = host.attachShadow({mode: 'closed'});
shadowRoot.innerHTML = '<div contenteditable><p>hello, world</p></div>';
const textNode = shadowRoot.querySelector('p').firstChild;
getSelection().removeAllRanges();
getSelection().collapse(container, 0);
getSelection().extend(textNode, 5);
const ranges = getSelection().getComposedRanges(shadowRoot);
assert_equals(ranges.length, 1);
assert_equals(ranges[0].startContainer, container);
assert_equals(ranges[0].startOffset, 0);
assert_equals(ranges[0].endContainer, container);
assert_equals(ranges[0].endOffset, 0);
assert_true(ranges[0].collapsed);
}, 'extend abort steps when called with a disconnected node inside a shadow tree');
container.remove();
</script>
</body>
</html>
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