Quelle test_bug1053048.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/editor/libeditor/tests/test_bug1053048.html

<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8">
  <title>Test for Bug 1053048</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css">
  <script type="application/javascript">

  /** Test for Bug 1053048 **/
  SimpleTest.waitForExplicitFinish();
  SimpleTest.waitForFocus(runTests);

  const nsISelectionListener = SpecialPowers.Ci.nsISelectionListener;

  async function runTests() {
    var textarea = SpecialPowers.wrap(document.getElementById("textarea"));
    textarea.focus();

    var editor = textarea.editor;
    var selectionPrivate = editor.selection;

    // Move caret to the end of the textarea
    synthesizeMouse(textarea, 290, 10, {});
    is(textarea.selectionStart, 3, "selectionStart should be 3 (after \"foo\")");
    is(textarea.selectionEnd, 3, "selectionEnd should be 3 (after \"foo\")");

    // This test **was** trying to check whether a selection listener which
    // runs while an editor handles an edit action does not stop handling it.
    // However, this selection listener caught previous selection change
    // notification immediately before synthesizing the `Enter` key press
    // unexpectedly.  And now, selection listener may not run immediately after
    // synthesizing the key press.  So, we don't need to check whether a
    // notification actually comes here.
    let selectionListener = {
      notifySelectionChanged() {
        ok(true, "selectionStart: " + textarea.selectionStart);
        ok(true, "selectionEnd: " + textarea.selectionEnd);
      },
    };
    selectionPrivate.addSelectionListener(selectionListener);
    synthesizeKey("KEY_Enter");
    is(textarea.selectionStart, 4, "selectionStart should be 4");
    is(textarea.selectionEnd, 4, "selectionEnd should be 4");
    is(textarea.value, "foo\n", "The line break should be appended");
    selectionPrivate.removeSelectionListener(selectionListener);

    SimpleTest.finish();
  }
  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1053048">Mozilla Bug 1053048</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>

<textarea id="textarea"
          style="height: 100px; width: 300px; -moz-appearance: none"
          spellcheck="false"
          onkeydown="this.style.display='block'; this.style.height='200px';">foo</textarea>

<pre id="test">
</pre>
</body>
</html>

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