Quelle test_use_counters.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/layout/style/test/test_use_counters.html

<!doctype html>
<title>Test for Bug 1425700: CSS properties use-counters</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<body>
<iframe id="iframe"></iframe>
<iframe id="second-iframe"></iframe>
<script>
const iframe = document.getElementById("iframe");

function iframe_reload(frame = iframe) {
  return new Promise(resolve => {
    frame.addEventListener("load", _ => resolve());
    frame.contentWindow.location.reload();
  });
}

function assert_recorded(win, recorded, properties, desc) {
  const utils = SpecialPowers.getDOMWindowUtils(win);
  isnot(properties.length, 0, "Sanity check");
  for (const prop of properties) {
    try {
      is(utils.isCssPropertyRecordedInUseCounter(prop), recorded,
         `${desc} - ${prop}`)
    } catch(ex) {
      ok(false, "Threw: " + prop);
    }
  }
}

// NOTE(emilio): This is no longer meaningful now we always record in the style
// system itself, which is what this tests. But we could conceivably change
// it so it doesn't hurt.
add_task(async () => {
  await SpecialPowers.pushPrefEnv({
    "set": [
      ["layout.css.use-counters.enabled", true],
      ["layout.css.use-counters-unimplemented.enabled", true]
    ]
  });
});

// TODO(emilio): Make work (and test) inline style and maybe even CSSOM and
// such?
//
// Make sure that something on the lines of the following passes:
//
//   element.style.webkitTransform = "rotate(1deg)"
//   assert_recorded(true, ["-webkit-transform"]);
//   assert_recorded(false, ["transform"]);
//
const IMPLEMENTED_PROPERTIES = {
  description: "unimplemented properties",
  css: `
    * {
      grid-gap: 1px; /* shorthand alias */
      -webkit-background-size: 100px 100px; /* longhand alias */
      transform-origin: top left; /* longhand */
      background: green; /* shorthand */
    }
  `,
  recorded: [
    "grid-gap",
    "-webkit-background-size",
    "transform-origin",
    "background",
  ],
  // Should only record the aliases, not the non-aliased property.
  // Should only record shorthands, not the longhands it expands to.
  not_recorded: [
    "gap",
    "background-size",
    "-moz-transform-origin",
    "-webkit-transform-origin",
    "background-color",
  ],
};

const UNIMPLEMENTED_PROPERTIES = {
  description: "unimplemented properties",
  css: `
    * {
      grid-gap: 1px; /* shorthand alias */
      -webkit-background-size: 100px 100px; /* longhand alias */
      transform-origin: top left; /* longhand */
      background: green; /* shorthand */
      -webkit-tap-highlight-color: cyan; /* counted unknown */
    }
  `,
  recorded: [
    "grid-gap",
    "-webkit-background-size",
    "transform-origin",
    "background",
    "-webkit-tap-highlight-color",
  ],
  not_recorded: [
    "size",
    "speak",
  ],
};

// Test on regular <style> elements.
add_task(async () => {
  for (let test of [IMPLEMENTED_PROPERTIES, UNIMPLEMENTED_PROPERTIES]) {
    await iframe_reload();

    const win = iframe.contentWindow;
    const style = document.createElement('style');
    style.textContent = test.css;

    iframe.contentDocument.body.appendChild(style);

    assert_recorded(win, true, test.recorded, `Test ${test.description} in <style> elements`);
    assert_recorded(win, false, test.not_recorded, `Test ${test.description} in <style> elements`);
  }
});

// Test on constructable stylesheets.
add_task(async () => {
  for (let test of [IMPLEMENTED_PROPERTIES, UNIMPLEMENTED_PROPERTIES]) {
    for (let method of ["replace", "replaceSync"]) {
      await iframe_reload();
      const win = iframe.contentWindow;

      const sheet = new win.CSSStyleSheet();
      await sheet[method](test.css);

      assert_recorded(win, true, test.recorded, `Test ${test.description} in constructed sheet`);
      assert_recorded(win, false, test.not_recorded, `Test ${test.description} in constructed sheet`);
    }
  }
});

add_task(async () => {
  // Test for <link rel="stylesheet">. One iteration for the uncached version, one for the cached one.
  for (let test of [IMPLEMENTED_PROPERTIES, UNIMPLEMENTED_PROPERTIES]) {
    const uri = "data:text/css," + encodeURIComponent(test.css);
    for (let frame of [iframe, document.getElementById("second-iframe")]) {
      await iframe_reload(frame);
      const win = frame.contentWindow;
      const doc = frame.contentDocument;

      const link = doc.createElement("link");
      link.rel = "stylesheet";
      const linkLoaded = new Promise(resolve => {
        link.onload = resolve;
      });
      link.href = uri;
      doc.body.appendChild(link);
      await linkLoaded;
      assert_recorded(win, true, test.recorded, `Test ${test.description} in <link> ${frame.id}`);
      assert_recorded(win, false, test.not_recorded, `Test ${test.description} in <link> ${frame.id}`);
    }
  }
});

</script>
</body>

Messung V0.5

¤ Dauer der Verarbeitung: 0.21 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.