CSSStyleSheet-constructable-disabled-regular-sheet-insertion.html

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This WPT test may be referenced by the following Test IDs:
- /css/cssom/CSSStyleSheet-constructable-disabled-regular-sheet-insertion.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Shouldn't crash / assert when inserting a stylesheet after there are disabled constructable sheets</title>

<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">

<link rel="help" href="https://wicg.github.io/construct-stylesheets/">

<script src = '/resources/testharness.js'></script>

<script src = '/resources/testharnessreport.js'></script>

<div id="host"></div>

<script>

test(function() {

  let sheet = new CSSStyleSheet({ disabled: true });

  sheet.replaceSync("div { color: red }");

  let root = document.getElementById("host").attachShadow({ mode: "open" });

  root.adoptedStyleSheets = [sheet];

  let style = document.createElement("style");

  root.innerHTML = `

    <style>div { color: green }</style>

    <div>Should be green</div>

`;

  assert_equals(getComputedStyle(root.querySelector("div")).color, "rgb(0, 128, 0)", "Should insert the sheet at the right position and not crash");

});

</script>