Quelle test_bug372086.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/base/test/test_bug372086.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 372086</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=372086">Mozilla Bug 372086</a>
<p id="display">
  <div id="d" is="custom-div">abc</div>def
</p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 372086 **/

customElements.define("custom-div", class extends HTMLDivElement {
  constructor() {
    super();
    this.attachShadow({ mode: "open" });
    this.shadowRoot.innerHTML = `ghi<slot></slot>jkl`;
  }
}, {
  extends: "div",
});

function runTest() {
  let range = document.createRange();

  var c = $("d").firstChild;
  var a = $("d").nextSibling;

  range.setStart(c, 1);
  range.setEnd(c, 3);
  is(range.startContainer, c, "Unexpected start container");
  is(range.startOffset, 1, "Unexpected start offset");
  is(range.endContainer, c, "Unexpected end container");
  is(range.endOffset, 3, "Unexpected end offset");
  is(range.toString(), "bc", "Unexpected range serialization");

  let shadow = d.shadowRoot.firstChild;
  // Should collapse the range, because can't determine order
  range.setEnd(shadow, 2);
  is(range.startContainer, shadow,
     "Unexpected collapsed start container");
  is(range.startOffset, 2, "Unexpected collapsed start offset");
  is(range.endContainer, shadow,
     "Unexpected collapsed end container");
  is(range.endOffset, 2, "Unexpected collapsed end offset");
  is(range.toString(), "", "Unexpected collapsed range serialization");

  range.setEnd(a, 2);
  range.setStart(a, 0);
  is(range.startContainer, a, "Unexpected start container after");
  is(range.startOffset, 0, "Unexpected start offset after");
  is(range.endContainer, a, "Unexpected end container after");
  is(range.endOffset, 2, "Unexpected end offset after");
  is(range.toString(), "de", "Unexpected range serialization after");

  shadow = d.shadowRoot.lastChild;
  // Collapses because one endpoint is anonymous from point of view of
  // the other.
  range.setStart(shadow, 1);
  is(range.startContainer, shadow,
     "Unexpected newly collapsed start container");
  is(range.startOffset, 1, "Unexpected newly collapsed start offset");
  is(range.endContainer, shadow,
     "Unexpected newly collapsed end container");
  is(range.endOffset, 1, "Unexpected newly collapsed end offset");
  is(range.toString(), "", "Unexpected collapsed range serialization");

  range.setEnd(shadow, 3);
  is(range.startContainer, shadow,
     "Unexpected shadow start container");
  is(range.startOffset, 1, "Unexpected shadow start offset");
  is(range.endContainer, shadow,
     "Unexpected shadow end container");
  is(range.endOffset, 3, "Unexpected shadow end offset");
  is(range.toString(), "kl", "Unexpected shadow range serialization");
}

SimpleTest.waitForExplicitFinish();
addLoadEvent(runTest);
addLoadEvent(SimpleTest.finish)
</script>
</pre>
</body>
</html>

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