test_movement_by_characters.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>Test Character Movement (including nsTextFrame::PeekOffsetCharacter)</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script src="/tests/SimpleTest/EventUtils.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body>

<p id="display"></p>

<div id="content" style="display: block">

<div contentEditable id="editor"></div>

</div>

<pre id="test">

<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

if (navigator.userAgent.includes("Windows NT 6.2")) {

  todo(false, "Too many intermittent failures on Windows 8 (bug 886781)");

  SimpleTest.finish();

} else {

  setTimeout(focusing, 0);

function focusing() {

  document.getElementById("editor").focus();

  // This seems to be necessary because the selection is not set up properly otherwise

  setTimeout(test, 0);

function test() {

  var sel = window.getSelection();

  var editor = document.getElementById("editor");

  function testRight(node, offset) {

    synthesizeKey("KEY_ArrowRight");

    is(sel.anchorNode, node, "Right movement broken in " + editor.innerHTML);

    is(sel.anchorOffset, offset, "Right movement broken in " + editor.innerHTML);

  function testLeft(node, offset) {

    synthesizeKey("KEY_ArrowLeft");

    is(sel.anchorNode, node, "Left movement broken in " + editor.innerHTML);

    is(sel.anchorOffset, offset, "Left movement broken in " + editor.innerHTML);

  editor.innerHTML = "H K";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 1);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 3);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 1);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "<b>H</b> K";

  sel.collapse(editor.firstChild.firstChild, 0);

  testRight(editor.firstChild.firstChild, 1);

  testRight(editor.firstChild.nextSibling, 1);

  testRight(editor.firstChild.nextSibling, 2);

  testLeft(editor.firstChild.nextSibling, 1);

  testLeft(editor.firstChild.nextSibling, 0);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "H <br>K";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 1);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild.nextSibling.nextSibling, 0);

  testRight(editor.firstChild.nextSibling.nextSibling, 1);

  testLeft(editor.firstChild.nextSibling.nextSibling, 0);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 1);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "<pre>aa\nbb</pre>";

  sel.collapse(editor.firstChild.firstChild, 0);

  testRight(editor.firstChild.firstChild, 1);

  // at the end of the first line, before the \n

  testRight(editor.firstChild.firstChild, 2);

  testRight(editor.firstChild.firstChild, 3);

  testRight(editor.firstChild.firstChild, 4);

  testLeft(editor.firstChild.firstChild, 3);

  // at the end of the first line, before the \n

  testLeft(editor.firstChild.firstChild, 2);

  testLeft(editor.firstChild.firstChild, 1);

  testLeft(editor.firstChild.firstChild, 0);

  SimpleTest.finish();

</script>

</pre>

</body>

</html>