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products/Sources/formale Sprachen/C/Firefox/editor/libeditor/tests/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 6 kB

Quellverzeichnis test_backspace_vs.html Interaktion und
PortierbarkeitHTML

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

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 1216427</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=1216427">Mozilla Bug 1216427</a>
<p id="display"></p>
<div id="content">
  <div id="edit1" contenteditable="true">a☺️b</div>
  <div id="edit2" contenteditable="true">a🌐︎b</div>
  <div id="edit3" contenteditable="true">a㐂󠄀b</div>
  <div id="edit4" contenteditable="true">a𠀀󠄁b</div>
  <div id="edit5" contenteditable="true">a☺︁︂︃b</div>
  <div id="edit6" contenteditable="true">a𠀀󠄀󠄁󠄂b</div>
  
  <div id="edit7" contenteditable="true">a🇨🇳b</div>
  <div id="edit8" contenteditable="true">a🇨🇳🇩🇪b</div>
  <div id="edit9" contenteditable="true">a🇨🇳🇩🇪🇪🇸b</div>
  <div id="edit10" contenteditable="true">a🇨🇳🇩🇪🇪🇸🇫🇷b</div>
  <div id="edit11" contenteditable="true">a🇨🇳🇩🇪🇪🇸🇫🇷🇬🇧b</div>

  <div id="edit1b" contenteditable="true">a☺️b</div>
  <div id="edit2b" contenteditable="true">a🌐︎b</div>
  <div id="edit3b" contenteditable="true">a㐂󠄀b</div>
  <div id="edit4b" contenteditable="true">a𠀀󠄁b</div>
  <div id="edit5b" contenteditable="true">a☺︁︂︃b</div>
  <div id="edit6b" contenteditable="true">a𠀀󠄀󠄁󠄂b</div>
  <div id="edit7b" contenteditable="true">a🇨🇳b</div>
  <div id="edit8b" contenteditable="true">a🇨🇳🇩🇪b</div>
  <div id="edit9b" contenteditable="true">a🇨🇳🇩🇪🇪🇸b</div>
  <div id="edit10b" contenteditable="true">a🇨🇳🇩🇪🇪🇸🇫🇷b</div>
  <div id="edit11b" contenteditable="true">a🇨🇳🇩🇪🇪🇸🇫🇷🇬🇧b</div>
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 1216427 **/

SimpleTest.waitForExplicitFinish();
addLoadEvent(runTest);

function test(edit, bsCount) {
  edit.focus();
  var sel = window.getSelection();
  sel.collapse(edit.childNodes[0], edit.textContent.length - 1);
  for (let i = 0; i < bsCount; ++i) {
    synthesizeKey("KEY_Backspace");
  }
  is(edit.textContent, "ab", "The backspace key should delete the characters correctly");
}

function testWithMove(edit, offset, bsCount) {
  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", {repeat: bsCount});
  is(edit.textContent, "ab", "The backspace key should delete the characters correctly");
}

function runTest() {
  /* test backspace-deletion of the middle character(s) */
  test(document.getElementById("edit1"), 1);
  test(document.getElementById("edit2"), 1);
  test(document.getElementById("edit3"), 1);
  test(document.getElementById("edit4"), 1);
  test(document.getElementById("edit5"), 1);
  test(document.getElementById("edit6"), 1);

  /*
   * Tests with Regional Indicator flags: these behave differently depending
   * whether an emoji font is present, as ligated flags are edited as single
   * characters whereas non-ligated RI characters act individually.
   *
   * For now, only rely on such an emoji font on OS X 10.7+. (Note that the
   * Segoe UI Emoji font on Win8.1 and Win10 does not implement Regional
   * Indicator flags.)
   *
   * Once the Firefox Emoji font is ready, we can load that via @font-face
   * and expect these tests to work across all platforms.
   */
  let hasEmojiFont =
    (navigator.platform.indexOf("Mac") == 0 &&
     /10\.([7-9]|[1-9][0-9])/.test(navigator.oscpu));

  if (hasEmojiFont) {
    test(document.getElementById("edit7"), 1);
    test(document.getElementById("edit8"), 2);
    test(document.getElementById("edit9"), 3);
    test(document.getElementById("edit10"), 4);
    test(document.getElementById("edit11"), 5);
  }

  /* extra tests with the use of RIGHT and LEFT to get to the right place */
  testWithMove(document.getElementById("edit1b"), 2, 1);
  testWithMove(document.getElementById("edit2b"), 2, 1);
  testWithMove(document.getElementById("edit3b"), 2, 1);
  testWithMove(document.getElementById("edit4b"), 2, 1);
  testWithMove(document.getElementById("edit5b"), 2, 1);
  testWithMove(document.getElementById("edit6b"), 2, 1);
  if (hasEmojiFont) {
    testWithMove(document.getElementById("edit7b"), 2, 1);
    testWithMove(document.getElementById("edit8b"), 3, 2);
    testWithMove(document.getElementById("edit9b"), 4, 3);
    testWithMove(document.getElementById("edit10b"), 5, 4);
    testWithMove(document.getElementById("edit11b"), 6, 5);
  }

  SimpleTest.finish();
}

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

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