Quelle test_font_whitelist.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/gfx/tests/mochitest/test_font_whitelist.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 1121643</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1121643">Mozilla Bug 1121643</a>
<span id="mono" style="font-family: monospace; font-size: 64px;">M</span>
<span id="sans" style="font-family: sans-serif; font-size: 64px;">M</span>
<span id="serif" style="font-family: serif; font-size: 64px;">M</span>
<div id="content" style="display: none">

</div>
<script class="testbody" type="application/javascript">

/** Test for Bug 1121643 */

const InspectorUtils = SpecialPowers.InspectorUtils;

// Given an element id, returns the first font face name encountered.
let fontUsed = id => {
  let element = document.getElementById(id),
      range = document.createRange();
  range.selectNode(element);
  return InspectorUtils.getUsedFontFaces(range)[0].CSSFamilyName;
};

// A map of the default mono, sans and serif fonts, obtained when
// whitelisting is disabled.
const fonts = { mono: fontUsed("mono"),
                sans: fontUsed("sans"),
                serif: fontUsed("serif") };

let hack = 0;

// Set the font whitelist to contain none, some, or all of the
// default mono, sans, and serif fonts. Check that the rendering
// of our three test elements uses only fonts present in the
// whitelist.
let testFontWhitelist = async function(useMono, useSans, useSerif) {
  let whitelist = [];
  if (useMono) {
    whitelist.push(fonts.mono);
  }
  if (useSans) {
    whitelist.push(fonts.sans);
  }
  if (useSerif) {
    whitelist.push(fonts.serif);
  }
  await SpecialPowers.pushPrefEnv({"set": [["font.system.whitelist",
                                            whitelist.join(", ")]]});

  await new Promise(SimpleTest.executeSoon);
  await SpecialPowers.setIntPref("font.fixme.hack", hack++);
  await new Promise(SimpleTest.executeSoon);

  // If whitelist is empty, then whitelisting is considered disabled
  // and all fonts are allowed.
  info("font whitelist: " + JSON.stringify(whitelist));
  let whitelistEmpty = whitelist.length === 0;
  is(useMono || whitelistEmpty, fontUsed("mono") === fonts.mono,
     "Correct mono whitelisting state; got " + fontUsed("mono") + ", requested " + fonts.mono);
  is(useSans || whitelistEmpty, fontUsed("sans") === fonts.sans,
     "Correct sans whitelisting state; got " + fontUsed("sans") + ", requested " + fonts.sans);
  is(useSerif || whitelistEmpty, fontUsed("serif") === fonts.serif,
     "Correct serif whitelisting state; got " + fontUsed("serif") + ", requested " + fonts.serif);
};

// Run tests to confirm that only whitelisting fonts are present in a
// rendered page. Try turning mono, sans, and serif off and on in
// every combination.
add_task(async function() {
  for (let useMono of [false, true]) {
    for (let useSans of [false, true]) {
      for (let useSerif of [false, true]) {
        await testFontWhitelist(useMono, useSans, useSerif);
      }
    }
  }
});

</script>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.23 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.