Rune Lillesveen
3488f5d543
Automatic update from web-platform-tests Move css-scoping/ tests to css-shadow/ to match spec Change-Id: Ie65e06f4160b9edfee12c1dbcad05f26b17a77b0 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7484758 Reviewed-by: Anders Hartvoll Ruud <andruud@chromium.org> Commit-Queue: Rune Lillesveen <futhark@chromium.org> Cr-Commit-Position: refs/heads/main@{#1570418} -- wpt-commits: 1242323699cb7c21b584ce0554e621d172b6d985 wpt-pr: 57244
90 lines
2.9 KiB
HTML
90 lines
2.9 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Changing content targetting :has-slotted through multiple shadow roots</title>
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<link rel="help" href="https://github.com/w3c/csswg-drafts/pull/10586">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<script src="/resources/testdriver-actions.js"></script>
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</head>
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<body>
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<my-element id="test">Test</my-element>
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<template id="myTemplate">
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<slot></slot>
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<p id="target">This text will be styled.</p>
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<style>
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p {
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color: rgb(0 255 0);
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}
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slot:not(:has-slotted) + p {
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color: rgb(0 0 255);
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}
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</style>
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</template>
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<script>
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customElements.define('my-element', class extends HTMLElement {
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constructor() {
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super();
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this.attachShadow({
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mode: 'open',
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slotAssignment: 'manual',
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});
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this.shadowRoot.append(myTemplate.content.cloneNode(true));
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}
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get slot() {
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return this.shadowRoot.querySelector('slot');
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}
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});
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const blue = 'rgb(0, 0, 255)';
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const green = 'rgb(0, 255, 0)';
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test(function (t) {
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const test = document.getElementById('test');
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const target = test.shadowRoot.getElementById('target');
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t.add_cleanup(() => { test.innerHTML = 'Test' });
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let styles = getComputedStyle(target);
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assert_equals(styles.getPropertyValue('color'), blue);
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}, "empty node is blue");
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test(function (t) {
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const test = document.getElementById('test');
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const target = test.shadowRoot.getElementById('target');
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t.add_cleanup(() => { test.innerHTML = 'Test' });
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test.slot.assign(test.childNodes[0])
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styles = getComputedStyle(target);
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assert_equals(test.slot.assignedNodes().length, 1);
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assert_equals(styles.getPropertyValue('color'), green);
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test.slot.assign()
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styles = getComputedStyle(target);
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assert_equals(styles.getPropertyValue('color'), blue);
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}, "manually assigning a text node is green, emptying assignment is blue");
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test(function (t) {
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const test = document.getElementById('test');
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const target = test.shadowRoot.getElementById('target');
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t.add_cleanup(() => { test.innerHTML = 'Test' });
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test.innerHTML = '<div></div>';
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assert_equals(styles.getPropertyValue('color'), blue);
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test.slot.assign(...test.children)
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styles = getComputedStyle(target);
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assert_equals(test.slot.assignedNodes().length, 1);
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assert_equals(styles.getPropertyValue('color'), green);
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test.slot.assign()
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styles = getComputedStyle(target);
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assert_equals(styles.getPropertyValue('color'), blue);
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}, "manually assigning a Element is green, emptying assignment is blue");
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</script>
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</body>
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</html>
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