test_movement_by_words.html

mozilla-central/layout/generic/test/test_movement_by_words.html

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Test Info: Warnings

This test gets skipped with pattern: toolkit == 'android' OR (toolkit == "gtk") || (os == "win")
Manifest: layout/generic/test/mochitest.ini

<!DOCTYPE HTML>

<html>

<head>

  <title>Test Word Movement (including nsTextFrame::PeekOffsetWord)</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>

<p id="catch">Catch-all

<pre id="test"><script class="testbody" type="text/javascript">

/** Tests for bugs 384147, 981281, 1066756 **/

const kIsMac = navigator.platform.includes("Mac");

SimpleTest.waitForExplicitFinish();

SimpleTest.waitForFocus(function(){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);

var eatSpace;

var stopAtPunctuation;

var sel = window.getSelection();

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

function setPrefs(eat_space, stop_at_punctuation, callback) {

  eatSpace = eat_space;

  stopAtPunctuation = stop_at_punctuation;

  SpecialPowers.pushPrefEnv({

    "set": [["layout.word_select.eat_space_to_next_word", eat_space],

	    ["layout.word_select.stop_at_punctuation", stop_at_punctuation],

	    ["intl.icu4x.segmenter.enabled", true]]

  }, callback);

function errString(dir) {

  return dir + " movement broken with eatSpace=" + eatSpace +

    ", stopAtPunctuation=" + stopAtPunctuation + " in \"" + editor.innerHTML +

    "\"; sel.anchorNode.parentNode=" + sel.anchorNode.parentNode;

function testRight(node, offset) {

  if (!kIsMac) {

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

  } else {

    // macOS does not have default shortcut key to move caret per word.

    SpecialPowers.doCommand(window, "cmd_wordNext");

  is(sel.anchorNode, node, errString("Right"));

  is(sel.anchorOffset, offset, errString("Right"));

function testLeft(node, offset) {

  if (!kIsMac) {

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

  } else {

    // macOS does not have default shortcut key to move caret per word.

    SpecialPowers.doCommand(window, "cmd_wordPrevious");

  is(sel.anchorNode, node, errString("Left"));

  is(sel.anchorOffset, offset, errString("Left"));

var afterEditorNode = document.getElementById("catch").firstChild;

var ChineseChars = "&#x6F22;&#x5B57;";

var HiraganaChars = "&#x3072;&#x3089;&#x304C;&#x306A;";

var KatakanaChars = "&#x30AB;&#x30BF;&#x30AB;&#x30CA;";

var JapaneseFullStop = "&#x3002;";

var JapaneseComma = "&#x3001;";

var ModifierColon = "&#xA789;";

var Symbol = "&#x26C5;"; // "sun behind cloud" (weather symbol)

var Emoji = "&#x1f400;"; // rat emoji

var DeseretChars = "&#x10440;&#x10441;";

var ChineseCharsPlane2 = "&#x2000B;&#x2003F;";

function test() {

  setPrefs(false, true, test1);

function test1() {

  editor.innerHTML = "Hello Kitty";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 11);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "<b>Hello</b> Kitty";

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

  testRight(editor.firstChild.nextSibling, 0);

  testRight(editor.firstChild.nextSibling, 6);

  testLeft(editor.firstChild.nextSibling, 1);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "<b>Hello </b>Kitty";

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

  testRight(editor.firstChild.firstChild, 5);

  testRight(editor.firstChild.nextSibling, 5);

  testLeft(editor.firstChild.firstChild, 6);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "<b>Log out</b>  roc";

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

  testRight(editor.firstChild.firstChild, 3);

  testRight(editor.firstChild.nextSibling, 0);

  testRight(editor.firstChild.nextSibling, 5);

  // In the next test, we expect to be at the end of the

  // space that is not collapsed away

  testLeft(editor.firstChild.nextSibling, 1);

  testLeft(editor.firstChild.firstChild, 4);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "http://www.mozilla.org";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 11);

  testRight(editor.firstChild, 19);

  testLeft(editor.firstChild, 11);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "Set .rc to <b>'</b>quiz'";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 3);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 10);

  testRight(editor.firstChild.nextSibling.nextSibling, 5);

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

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "layout.word_select.stop_at_punctuation";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 19);

  testRight(editor.firstChild, 38);

  testLeft(editor.firstChild, 19);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + HiraganaChars + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + KatakanaChars + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = KatakanaChars + HiraganaChars + KatakanaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 4);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 8);

  testRight(editor.firstChild, 12);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 4);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = HiraganaChars + JapaneseComma + HiraganaChars + JapaneseFullStop + HiraganaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 3);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 8);

  testRight(editor.firstChild, 10);

  testRight(editor.firstChild, 13);

  testRight(editor.firstChild, 14);

  testLeft(editor.firstChild, 13);

  testLeft(editor.firstChild, 10);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 3);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = KatakanaChars + JapaneseComma + KatakanaChars + JapaneseFullStop + KatakanaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 10);

  testRight(editor.firstChild, 14);

  testLeft(editor.firstChild, 10);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + JapaneseComma + ChineseChars + JapaneseFullStop + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 3);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 3);

  testLeft(editor.firstChild, 0);

  // test for bug 1066756

  editor.innerHTML = "hello" + ModifierColon + " wo" + ModifierColon + "rld";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 13);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 0);

  // test word selection in Deseret (alphabet in Plane 1)

  editor.innerHTML = DeseretChars + " " + DeseretChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 4);

  testRight(editor.firstChild, 9);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 0);

  // Latin words separated by a pictographic symbol

  editor.innerHTML = "hello" + Symbol + "world";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 11);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 0);

  // Latin words separated by an emoji symbol

  editor.innerHTML = "hello" + Emoji + "world";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 12);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 0);

  // Emoji and Chinese

  editor.innerHTML = Emoji + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 4);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 0);

  // test that word selection stops at Latin/Chinese boundary

  editor.innerHTML = "hello" + ChineseChars + "world";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 12);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 0);

  // similar, but with Deseret (alphabet in Plane 1) in place of Latin

  editor.innerHTML = DeseretChars + ChineseChars + DeseretChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 4);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 10);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 4);

  testLeft(editor.firstChild, 0);

  // with Plane 2 Chinese characters

  editor.innerHTML = "hello" + ChineseCharsPlane2 + "world";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 9);

  testRight(editor.firstChild, 14);

  testLeft(editor.firstChild, 9);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 0);

  // Plane 1 Deseret and Plane 2 Chinese characters

  editor.innerHTML = DeseretChars + ChineseCharsPlane2 + DeseretChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 4);

  testRight(editor.firstChild, 8);

  testRight(editor.firstChild, 12);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 4);

  testLeft(editor.firstChild, 0);

  // test basic word movement with eat_space_next_to_word true.

  setPrefs(true, true, test2);

function test2() {

  editor.innerHTML = "Hello Kitty";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 11);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "<b>Hello</b> Kitty";

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

  testRight(editor.firstChild.nextSibling, 1);

  testRight(editor.firstChild.nextSibling, 6);

  testLeft(editor.firstChild.nextSibling, 1);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "<b>Hello </b>Kitty";

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

  testRight(editor.firstChild.nextSibling, 0);

  testRight(editor.firstChild.nextSibling, 5);

  testLeft(editor.firstChild.firstChild, 6);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "<b>Log out</b>  roc";

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

  testRight(editor.firstChild.firstChild, 4);

  testRight(editor.firstChild.nextSibling, 2);

  testRight(editor.firstChild.nextSibling, 5);

  testLeft(editor.firstChild.nextSibling, 1);

  testLeft(editor.firstChild.firstChild, 4);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "http://www.mozilla.org";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 11);

  testRight(editor.firstChild, 19);

  testLeft(editor.firstChild, 11);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "Set .rc to <b>'</b>quiz'";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 4);

  testRight(editor.firstChild, 8);

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

  testRight(editor.firstChild.nextSibling.nextSibling, 5);

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

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "layout.word_select.stop_at_punctuation";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 19);

  testRight(editor.firstChild, 38);

  testLeft(editor.firstChild, 19);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + HiraganaChars + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + KatakanaChars + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = KatakanaChars + HiraganaChars + KatakanaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 4);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 8);

  testRight(editor.firstChild, 12);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 4);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = HiraganaChars + JapaneseComma + HiraganaChars + JapaneseFullStop + HiraganaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 3);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 8);

  testRight(editor.firstChild, 10);

  testRight(editor.firstChild, 13);

  testRight(editor.firstChild, 14);

  testLeft(editor.firstChild, 13);

  testLeft(editor.firstChild, 10);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 3);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = KatakanaChars + JapaneseComma + KatakanaChars + JapaneseFullStop + KatakanaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 10);

  testRight(editor.firstChild, 14);

  testLeft(editor.firstChild, 10);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + JapaneseComma + ChineseChars + JapaneseFullStop + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 3);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 3);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "hello" + ModifierColon + " wo" + ModifierColon + "rld";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 13);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 0);

  // Test basic word movement with stop_at_punctuation false (bug 981281).

  setPrefs(false, false, test3);

function test3() {

  editor.innerHTML = "Hello Kitty";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 11);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "<b>Hello</b> Kitty";

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

  testRight(editor.firstChild.nextSibling, 0);

  testRight(editor.firstChild.nextSibling, 6);

  testLeft(editor.firstChild.nextSibling, 1);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "<b>Hello </b>Kitty";

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

  testRight(editor.firstChild.firstChild, 5);

  testRight(editor.firstChild.nextSibling, 5);

  testLeft(editor.firstChild.firstChild, 6);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "<b>Log out</b>  roc";

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

  testRight(editor.firstChild.firstChild, 3);

  testRight(editor.firstChild.nextSibling, 0);

  testRight(editor.firstChild.nextSibling, 5);

  testLeft(editor.firstChild.nextSibling, 1);

  testLeft(editor.firstChild.firstChild, 4);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "http://www.mozilla.org";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 22);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "Set .rc to <b>'</b>quiz'";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 3);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 10);

  testRight(editor.firstChild.nextSibling.nextSibling, 5);

  testLeft(editor.firstChild, 11);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 4);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "layout.word_select.stop_at_punctuation";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 38);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + HiraganaChars + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + KatakanaChars + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = KatakanaChars + HiraganaChars + KatakanaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 4);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 8);

  testRight(editor.firstChild, 12);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 4);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = HiraganaChars + JapaneseComma + HiraganaChars + JapaneseFullStop + HiraganaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 3);

  testRight(editor.firstChild, 8);

  testRight(editor.firstChild, 13);

  testRight(editor.firstChild, 14);

  testLeft(editor.firstChild, 13);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 3);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = KatakanaChars + JapaneseComma + KatakanaChars + JapaneseFullStop + KatakanaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 14);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + JapaneseComma + ChineseChars + JapaneseFullStop + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "hello" + ModifierColon + " wo" + ModifierColon + "rld";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 13);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 0);

  // And again with eat_space_next_to_word true.

  setPrefs(true, false, test4);

function test4() {

  editor.innerHTML = "Hello Kitty";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 11);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "<b>Hello</b> Kitty";

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

  testRight(editor.firstChild.nextSibling, 1);

  testRight(editor.firstChild.nextSibling, 6);

  testLeft(editor.firstChild.nextSibling, 1);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "<b>Hello </b>Kitty";

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

  testRight(editor.firstChild.nextSibling, 0);

  testRight(editor.firstChild.nextSibling, 5);

  testLeft(editor.firstChild.firstChild, 6);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "<b>Log out</b>  roc";

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

  testRight(editor.firstChild.firstChild, 4);

  testRight(editor.firstChild.nextSibling, 2);

  testRight(editor.firstChild.nextSibling, 5);

  testLeft(editor.firstChild.nextSibling, 1);

  testLeft(editor.firstChild.firstChild, 4);

  testLeft(editor.firstChild.firstChild, 0);

  editor.innerHTML = "http://www.mozilla.org";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 22);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "Set .rc to <b>'</b>quiz'";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 4);

  testRight(editor.firstChild, 8);

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

  testRight(editor.firstChild.nextSibling.nextSibling, 5);

  testLeft(editor.firstChild, 11);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 4);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "layout.word_select.stop_at_punctuation";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 38);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + HiraganaChars + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 5);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 5);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + KatakanaChars + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 2);

  testRight(editor.firstChild, 6);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 6);

  testLeft(editor.firstChild, 2);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = KatakanaChars + HiraganaChars + KatakanaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 4);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 8);

  testRight(editor.firstChild, 12);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 4);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = HiraganaChars + JapaneseComma + HiraganaChars + JapaneseFullStop + HiraganaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 3);

  testRight(editor.firstChild, 8);

  testRight(editor.firstChild, 13);

  testRight(editor.firstChild, 14);

  testLeft(editor.firstChild, 13);

  testLeft(editor.firstChild, 8);

  testLeft(editor.firstChild, 3);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = KatakanaChars + JapaneseComma + KatakanaChars + JapaneseFullStop + KatakanaChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 14);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = ChineseChars + JapaneseComma + ChineseChars + JapaneseFullStop + ChineseChars;

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 8);

  testLeft(editor.firstChild, 0);

  editor.innerHTML = "hello" + ModifierColon + " wo" + ModifierColon + "rld";

  sel.collapse(editor.firstChild, 0);

  testRight(editor.firstChild, 7);

  testRight(editor.firstChild, 13);

  testLeft(editor.firstChild, 7);

  testLeft(editor.firstChild, 0);

  SimpleTest.finish();

</script></pre>

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