selection-collapse-and-extend.tentative.html

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This WPT test may be referenced by the following Test IDs:
- /shadow-dom/selection-collapse-and-extend.tentative.html - WPT Dashboard Interop Dashboard

<!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>