SSL test_isUsedColorSchemeDark.html Sprache: unbekannt

<!doctype html>
<meta charset="utf-8">
<title>Test InspectorUtils::isUsedColorSchemeDark</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<meta name="color-scheme" content="light dark">

<div id="dark" style="color-scheme: dark"></div>
<div id="light" style="color-scheme: light"></div>
<div id="preferred" style="color-scheme: light dark"></div>
<div id="default"></div>

<script>
const InspectorUtils = SpecialPowers.InspectorUtils;

function testElement(id, dark) {
  is(InspectorUtils.isUsedColorSchemeDark(document.getElementById(id)), dark, id + " should " + (dark ? "" : "not ") + "be dark");
}

const meta = document.querySelector('meta[name="color-scheme"]');

function runTests() {
  const prefersDark = matchMedia("(prefers-color-scheme: dark)").matches;
  info(`testing with meta ${meta.content} and preference ${prefersDark ? "dark" : "light"}`);

  testElement("dark", true);
  testElement("light", false);
  testElement("preferred", prefersDark);
  testElement("default", meta.content.includes("dark") && (!meta.content.includes("light") || prefersDark));
}

function waitForColorSchemeToBe(scheme) {
  return new Promise(resolve => {
    let mq = matchMedia(`(prefers-color-scheme: ${scheme})`);
    if (mq.matches) {
      resolve();
    } else {
      mq.addEventListener("change", resolve, { once: true });
    }
  });
}

async function switchColorScheme(dark) {
  await SpecialPowers.pushPrefEnv({ set: [["layout.css.prefers-color-scheme.content-override", dark ? 0 : 1]] });
  await waitForColorSchemeToBe(dark ? "dark" : "light");
}

add_task(async function() {
  runTests();

  for (let dark of [false, true]) {
    for (let metaValue of ["light", "dark", "light dark"]) {
      meta.setAttribute("content", metaValue);
      await switchColorScheme(dark);
      runTests();
    }
  }
});
</script>

Messung V0.5 in Prozent

SSL test_isUsedColorSchemeDark.html Sprache: unbekannt

[Verzeichnis aufwärts0.27unsichere VerbindungÜbersetzung europäischer Sprachen durch Browser2026-06-06]