test_bug904810.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=904810

-->

<head>

  <title>Test for Bug 904810</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>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=904810">Mozilla Bug 904810</a>

<p id="display">

<textarea dir="ltr" id="textarea904810">

first line

second line

third line

</textarea></p>

<div id="content" style="display: none">

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 904810 **/

SimpleTest.waitForExplicitFinish();

SimpleTest.waitForFocus(function test() {

  function shiftLeft(i) {

    for ( ; i > 0; --i)

      synthesizeKey("KEY_ArrowLeft", {shiftKey:true});

  function shiftRight(i) {

    for ( ; i > 0; --i)

      synthesizeKey("KEY_ArrowRight", {shiftKey:true});

  const isWindows = /WINNT/.test(SpecialPowers.OS);

  var textarea = document.getElementById('textarea904810');

  textarea.focus();

  // Testing KEY_ArrowDown with forward selection

  textarea.selectionStart = 1;

  textarea.selectionEnd = 1;

  shiftRight(7);

  synthesizeKey("KEY_ArrowDown");

  is(textarea.selectionStart, 19, "caret moved to next line below selection end");

  is(textarea.selectionEnd, 19, "caret moved to next line below selection end");

  // Testing KEY_ArrowDown with backward selection

  textarea.selectionStart = 8;

  textarea.selectionEnd = 8;

  shiftLeft(7);

  synthesizeKey("KEY_ArrowDown");

  is(textarea.selectionStart, 12, "caret moved to next line below selection start");

  is(textarea.selectionEnd, 12, "caret moved to next line below selection start");

  // Testing KEY_ArrowUp with forward selection

  textarea.selectionStart = 12;

  textarea.selectionEnd = 12;

  shiftRight(7);

  synthesizeKey("KEY_ArrowUp");

  var result = textarea.selectionEnd

  is(textarea.selectionStart, 8, "caret moved to previous line above selection end");

  is(textarea.selectionEnd, 8, "caret moved to previous line above selection end");

  // Testing KEY_ArrowUp with backward selection

  textarea.selectionStart = 19;

  textarea.selectionEnd = 19;

  shiftLeft(7);

  synthesizeKey("KEY_ArrowUp");

  var result = textarea.selectionEnd

  is(textarea.selectionStart, 1, "caret moved to previous line above selection start");

  is(textarea.selectionEnd, 1, "caret moved to previous line above selection start");

  SimpleTest.finish();

});

</script>

</pre>

</body>

</html>