Quelle test_bug332636.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/editor/libeditor/tests/test_bug332636.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 332636</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=332636">Mozilla Bug 332636</a>
<p id="display"></p>
<div id="content">
  <div id="edit0" contenteditable="true">axb</div>
  <div id="edit1" contenteditable="true">äb</div>
  <div id="edit2" contenteditable="true">a𐐀b</div>
  <div id="edit3" contenteditable="true">a𐨏b</div>

  <div id="edit0b" contenteditable="true">axb</div>
  <div id="edit1b" contenteditable="true">äb</div>
  <div id="edit2b" contenteditable="true">a𐐀b</div>
  <div id="edit3b" contenteditable="true">a𐨏b</div>
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 332636 **/

SimpleTest.waitForExplicitFinish();
addLoadEvent(runTest);

function test(edit) {
  edit.focus();
  var sel = window.getSelection();
  sel.collapse(edit.childNodes[0], edit.textContent.length - 1);
  synthesizeKey("KEY_Backspace");
  is(edit.textContent, "ab", "The backspace key should delete the UTF-16 surrogate pair correctly");
}

function testWithMove(edit, offset) {
  edit.focus();
  var sel = window.getSelection();
  sel.collapse(edit.childNodes[0], 0);
  var i;
  for (i = 0; i < offset; ++i) {
    synthesizeKey("KEY_ArrowRight");
    synthesizeKey("KEY_ArrowLeft");
    synthesizeKey("KEY_ArrowRight");
  }
  synthesizeKey("KEY_Backspace");
  is(edit.textContent, "ab", "The backspace key should delete the UTF-16 surrogate pair correctly");
}

function runTest() {
  /* test backspace-deletion of the middle character */
  test(document.getElementById("edit0"));
  test(document.getElementById("edit1"));
  test(document.getElementById("edit2"));
  test(document.getElementById("edit3"));

  /* extra tests with the use of RIGHT and LEFT to get to the right place */
  testWithMove(document.getElementById("edit0b"), 2);
  testWithMove(document.getElementById("edit1b"), 1);
  testWithMove(document.getElementById("edit2b"), 2);
  testWithMove(document.getElementById("edit3b"), 1);

  SimpleTest.finish();
}

</script>
</pre>
</body>
</html>

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