Blitz - WPT: adoptedstylesheets-adopt-style-subresource.tentative.html

wpt / css / cssom / adoptedstylesheets-adopt-style-subresource.tentative.html

/css/cssom/adoptedstylesheets-adopt-style-subresource.tentative.html

<!doctype html>
<meta charset="utf-8">
<title>adoptedStyleSheets adopt link tag</title>
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/10013">
<link rel="match" href="/css/reference/ref-filled-green-100px-square-only.html">
<p>Test passes if there is a filled green square.</p>
<style id="styleSheet">
  @import url("./resources/adoptedstylesheet-adopt-link.css");
</style>
<my-element id="host"></my-element>
<script>
customElements.define('my-element', class extends HTMLElement {
  connectedCallback() {
    this.attachShadow({mode:'open'}).append(document.createElement('div'));
    const sheet = new CSSStyleSheet();
    sheet.replaceSync(`
      div {
        display: block;
        width: 100px;
        height: 100px;
        background: red;
      }
    `);
    this.shadowRoot.adoptedStyleSheets = [sheet, styleSheet.sheet];
  }
});
</script>

/css/reference/ref-filled-green-100px-square-only.html

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
<p>Test passes if there is a filled green square.</p>
<div style="width:100px; height:100px; background:green;"></div>