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products/Sources/formale Sprachen/C/Firefox/dom/tests/mochitest/webcomponents/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 3 kB

Quelle test_shadowroot.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/tests/mochitest/webcomponents/test_shadowroot.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for ShadowRoot</title>
  <script type="text/javascript" src="head.js"></script>
  <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=806506">Bug 806506</a>
<script>

SimpleTest.waitForExplicitFinish();

var content = '

' +
              '';
createIframe(content)
  .then((aDocument) => {
    // Create ShadowRoot.
    var element = aDocument.createElement("div");
    ok(!element.shadowRoot, "div element should not have a shadow root.");
    var shadow = element.attachShadow({mode: "open"});
    is(element.shadowRoot, shadow, "shadowRoot property should return the same shadow root that was just created.");

    // Move an element from the document to the ShadowRoot.
    var inShadowEl = aDocument.getElementById("movedtoshadow");
    var inShadowSVGEl = aDocument.getElementById("svgmovedtoshadow");

    // Test getElementById
    ok(!shadow.getElementById("movedtoshadow"), "Element not in ShadowRoot should not be accessible from ShadowRoot API.");
    ok(!shadow.getElementById("svgmovedtoshadow"), "SVG element not in ShadowRoot should not be accessible from ShadowRoot API.");
    shadow.appendChild(inShadowEl);
    shadow.appendChild(inShadowSVGEl);
    is(shadow.getElementById("movedtoshadow"), inShadowEl, "Element appended to a ShadowRoot should be accessible from ShadowRoot API.");
    ok(!aDocument.getElementById("movedtoshadow"), "Element appended to a ShadowRoot should not be accessible from document.");
    is(shadow.getElementById("svgmovedtoshadow"), inShadowSVGEl, "SVG element appended to a ShadowRoot should be accessible from ShadowRoot API.");
    ok(!aDocument.getElementById("svgmovedtoshadow"), "SVG element appended to a ShadowRoot should not be accessible from document.");

    // Remove elements from ShadowRoot and make sure that they are no longer accessible via the ShadowRoot API.
    shadow.removeChild(inShadowEl);
    shadow.removeChild(inShadowSVGEl);
    ok(!shadow.getElementById("movedtoshadow"), "ShadowRoot API should not be able to access elements removed from ShadowRoot.");
    ok(!shadow.getElementById("svgmovedtoshadow"), "ShadowRoot API should not be able to access elements removed from ShadowRoot.");

    // Test querySelector on element in a ShadowRoot.
    element = aDocument.createElement("div");
    shadow = element.attachShadow({mode: "open"});
    var parentDiv = aDocument.createElement("div");
    var childSpan = aDocument.createElement("span");
    childSpan.id = "innerdiv";
    parentDiv.appendChild(childSpan);
    is(parentDiv.querySelector("#innerdiv"), childSpan, "ID query selector should work on element in ShadowRoot.");
    is(parentDiv.querySelector("span"), childSpan, "Tag query selector should work on element in ShadowRoot.");

    // Test that exception is thrown when trying to create a cycle with host node.
    element = aDocument.createElement("div");
    shadow = element.attachShadow({mode: "open"});
    try {
      shadow.appendChild(element);
      ok(false, "Excpetion should be thrown when creating a cycle with host content.");
    } catch (ex) {
      ok(true, "Excpetion should be thrown when creating a cycle with host content.");
    }

    // Basic innerHTML tests.
    shadow.innerHTML = '

';
    is(shadow.childNodes.length, 2, "There should be two children in the ShadowRoot.");
    is(shadow.getElementById("second").tagName, "DIV", "Elements created by innerHTML should be accessible by ShadowRoot API.");

    SimpleTest.finish();
  });
</script>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet) ¤

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