test_nsIHTMLEditor_selectElement.html

<!DOCTYPE>

<html>

<head>

  <title>Test for nsIHTMLEditor.selectElement()</title>

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

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

</head>

<body>

<div id="display">

</div>

<div id="content" contenteditable></div>

<pre id="test">

</pre>

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

SimpleTest.waitForExplicitFinish();

SimpleTest.waitForFocus(function() {

  let editor = document.getElementById("content");

  let selection = window.getSelection();

  editor.innerHTML = "<p>p1<b>b1</b><i>i1</i></p><p><b>b2</b><i>i2</i>p2</p>";

  editor.focus();

  try {

    getHTMLEditor().selectElement(editor.firstChild.firstChild);

    ok(false, "nsIHTMLEditor.selectElement() should throw an exception if given node is not an element");

  } catch (e) {

    ok(true, `nsIHTMLEditor.selectElement() should throw an exception if given node is not an element: ${e}`);

  editor.focus();

  try {

    getHTMLEditor().selectElement(editor.firstChild.firstChild.nextSibling);

    is(selection.anchorNode, editor.firstChild,

       "nsIHTMLEditor.selectElement() should set anchor node to parent of <b> element in the first paragraph");

    is(selection.anchorOffset, 1,

       "nsIHTMLEditor.selectElement() should set anchor offset to the index of <b> element in the first paragraph");

    is(selection.focusNode, editor.firstChild,

       "nsIHTMLEditor.selectElement() should set focus node to parent of <b> element in the first paragraph");

    is(selection.focusOffset, 2,

       "nsIHTMLEditor.selectElement() should set anchor offset to the index of <b> element + 1 in the first paragraph");

  } catch (e) {

    ok(false, `nsIHTMLEditor.selectElement() shouldn't throw exception when selecting an element in focused editor #1: ${e}`);

  editor.focus();

  try {

    getHTMLEditor().selectElement(editor.firstChild.nextSibling.firstChild);

    is(selection.anchorNode, editor.firstChild.nextSibling,

       "nsIHTMLEditor.selectElement() should set anchor node to parent of <b> element in the second paragraph");

    is(selection.anchorOffset, 0,

       "nsIHTMLEditor.selectElement() should set anchor offset to the index of <b> element in the second paragraph");

    is(selection.focusNode, editor.firstChild.nextSibling,

       "nsIHTMLEditor.selectElement() should set focus node to parent of <b> element in the second paragraph");

    is(selection.focusOffset, 1,

       "nsIHTMLEditor.selectElement() should set anchor offset to the index of <b> element + 1 in the second paragraph");

  } catch (e) {

    ok(false, `nsIHTMLEditor.selectElement() shouldn't throw exception when selecting an element in focused editor #2: ${e}`);

  editor.focus();

  try {

    getHTMLEditor().selectElement(editor);

    ok(false, "nsIHTMLEditor.selectElement() should throw an exception if given node is the editing host");

  } catch (e) {

    ok(true, `nsIHTMLEditor.selectElement() should throw an exception if given node is the editing host: ${e}`);

  editor.focus();

  try {

    getHTMLEditor().selectElement(editor.parentElement);

    ok(false, "nsIHTMLEditor.selectElement() should throw an exception if given node is outside of the editing host");

  } catch (e) {

    ok(true, `nsIHTMLEditor.selectElement() should throw an exception if given node is outside of the editing host: ${e}`);

  selection.removeAllRanges();

  editor.blur();

  try {

    getHTMLEditor().selectElement(editor.firstChild.nextSibling.firstChild);

    ok(false, "nsIHTMLEditor.selectElement() should throw an exception if there is no active editing host");

  } catch (e) {

    ok(true, `nsIHTMLEditor.selectElement() should throw an exception if there is no active editing host: ${e}`);

  editor.focus();

  editor.firstChild.firstChild.nextSibling.nextSibling.setAttribute("contenteditable", "false");

  try {

    getHTMLEditor().selectElement(editor.firstChild.firstChild.nextSibling.nextSibling);

    is(selection.anchorNode, editor.firstChild,

       "nsIHTMLEditor.selectElement() should set anchor node to parent of <i contenteditable=\"false\"> element in the first paragraph");

    is(selection.anchorOffset, 2,

       "nsIHTMLEditor.selectElement() should set anchor offset to the index of <i contenteditable=\"false\"> element in the first paragraph");

    is(selection.focusNode, editor.firstChild,

       "nsIHTMLEditor.selectElement() should set focus node to parent of <i contenteditable=\"false\"> element in the first paragraph");

    is(selection.focusOffset, 3,

       "nsIHTMLEditor.selectElement() should set anchor offset to the index of <i contenteditable=\"false\"> element + 1 in the first paragraph");

  } catch (e) {

    ok(false, `nsIHTMLEditor.selectElement() shouldn't throw exception when selecting an element in focused editor #3: ${e}`);

  editor.focus();

  editor.firstChild.nextSibling.setAttribute("contenteditable", "false");

  try {

    getHTMLEditor().selectElement(editor.firstChild.nextSibling.firstChild.nextSibling);

    is(selection.anchorNode, editor.firstChild.nextSibling,

       "nsIHTMLEditor.selectElement() should set anchor node to parent of <i> element in the second paragraph which is not editable");

    is(selection.anchorOffset, 1,

       "nsIHTMLEditor.selectElement() should set anchor offset to the index of <i> element in the second paragraph which is not editable");

    is(selection.focusNode, editor.firstChild.nextSibling,

       "nsIHTMLEditor.selectElement() should set focus node to parent of <i> element in the second paragraph which is not editable");

    is(selection.focusOffset, 2,

       "nsIHTMLEditor.selectElement() should set anchor offset to the index of <i> element + 1 in the second paragraph which is not editable");

  } catch (e) {

    ok(false, `nsIHTMLEditor.selectElement() shouldn't throw exception when selecting an element in focused editor #4: ${e}`);

  SimpleTest.finish();

});

function getHTMLEditor() {

  var Ci = SpecialPowers.Ci;

  var editingSession = SpecialPowers.wrap(window).docShell.editingSession;

  return editingSession.getEditorForWindow(window).QueryInterface(Ci.nsIHTMLEditor);

</script>

</body>

</html>