Quelle test_getAnchorFor.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/inspector/tests/test_getAnchorFor.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Test InspectorUtils.getAnchorFor</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<code>InspectorUtils.getAnchorFor</code>

<style>
  #anchor {
    anchor-name: --my-anchor, --anchor-alias;
  }

  #another-anchor {
    anchor-name: --another-anchor;
  }

  .anchored {
    position-anchor: --my-anchor;
    position: absolute;
    top: anchor(--another-anchor bottom);
  }

  #not-abs-pos {
    position: relative;
  }

  #with-pseudo::before {
    content: "";
    display: block;
    width: 10px;
    height: 10px;
    background: hotpink;
    position: absolute;
    position-anchor: auto;
    position-area: top right;
  }
</style>

<section>
  <div id="anchor">⚓️</div>
  <div id="another-anchor">⚓︎⚓︎⚓︎</div>
  <div id="not-abs-pos" class="anchored">not abs-pos</div>
  <div id="abs-pos" class="anchored">abs-pos</div>
  <div id="with-pseudo">with pseudo</div>
  <button id="popover-control" popovertarget="my-popover">show popover</button>
  <aside id="my-popover" popover="auto">popover</aside>
</section>

<script>
add_task(async function() {
  const { InspectorUtils } = SpecialPowers;
  const test = (elementId, anchorName, expectedAnchorElement, expectedType) => {
    info(`InspectorUtils.getAnchorFor(#${elementId}, ${anchorName ?? "null"})`);
    const el = document.getElementById(elementId);
    const res = InspectorUtils.getAnchorFor(el, anchorName);
    if (expectedAnchorElement === null) {
      is(res, null, `There should be no ${anchorName ? anchorName + " " : ""}anchor for #${elementId}`)
      return;
    }

    // We compare the ids because res.element is a Proxy, so we can't match it against
    // an element we'd retrieve.
    is(
      res?.element?.id,
      expectedAnchorElement.id,
      `Got expected ${anchorName ? anchorName + " " : ""}anchor element for #${elementId}`
    );

    is(
      res?.type,
      expectedType,
      `Got expected anchor association type for #${elementId}`
    );
  }

  // no anchor when passing an anchor name that is not set
  test("abs-pos", "--undefined-name", null);
  // no anchor for element that are not absolutely positioned
  test("not-abs-pos", null, null);

  const anchorEl = document.getElementById("anchor");
  const anotherAnchorEl = document.getElementById("another-anchor");
  const popoverControlEl = document.getElementById("popover-control")
  // show popover so the popover element gets an implicit anchor
  popoverControlEl.click();

  // explicitly associated anchor
  test("abs-pos", "--my-anchor", anchorEl, "explicit");
  test("abs-pos", "--another-anchor", anotherAnchorEl, "explicit");
  // still getting the associated anchor without passing a name
  test("abs-pos", null, anchorEl, "explicit");

  // implicitly associated popover anchor
  test("my-popover", null, popoverControlEl, "popover");
  // no anchor when the popover is not displayed
  document.getElementById("my-popover").togglePopover();
  test("my-popover", null, null);

  // implicitly associated pseudo element
  const [beforePseudoElement] = InspectorUtils.getChildrenForNode(
    document.getElementById("with-pseudo"),
    true,
    false,
  );
  is(
    beforePseudoElement.implementedPseudoElement,
    "::before",
    "Got expected ::before pseudo element"
  );
  const pseudoElementRes = InspectorUtils.getAnchorFor(beforePseudoElement);
  is(
    pseudoElementRes?.element?.id,
    "with-pseudo",
    `Got expected anchor element for ::before pseudo element`
  );
  is(
    pseudoElementRes?.type,
    "pseudo-element",
    `Got expected anchor association type for ::before pseudo element`
  );
});
</script>
</body>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.26 Sekunden (vorverarbeitet am 2026-08-25) ¤

Wurzel

Suchen

PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

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.