44 lines
1.6 KiB
HTML
44 lines
1.6 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><!-- Shadow Parts issue with xul/xbl domparser --></title>
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<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
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<style>custom-button::part(foo) { background: red; }</style>
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<script>
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add_task(async function test() {
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// A simplified version of what MozXULElement.parseXULToFragment does
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let parser = new DOMParser();
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parser.forceEnableXULXBL();
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let doc = parser.parseFromString(`<box xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"><box part="foo">there</box></box>`, `application/xml`);
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let range = doc.createRange();
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range.selectNodeContents(doc.querySelector("box"));
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let frag = range.extractContents();
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customElements.define("custom-button", class extends HTMLElement {
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constructor() {
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super();
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this.attachShadow({mode: "open"});
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this.shadowRoot.appendChild(document.importNode(frag, true));
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}
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});
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let button = document.createElement("custom-button");
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document.body.appendChild(button);
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let box = button.shadowRoot.querySelector("box");
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// XXX: this fixes it
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// box.removeAttribute("part");
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// box.setAttribute("part", "foo");
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is(window.getComputedStyle(box).getPropertyValue("background-color"), "rgb(255, 0, 0)", "part applied");
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});
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</script>
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</head>
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<body>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test"></pre>
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</body>
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</html>
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