test_nsITableEditor_getFirstSelectedCellInTable.html

<!DOCTYPE>

<html>

<head>

  <title>Test for nsITableEditor.getFirstSelectedCellInTable()</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 = document.getSelection();

  selection.collapse(editor, 0);

  let rowWrapper = {};

  let colWrapper = {};

  let cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

  is(cell, null,

     "nsITableEditor.getFirstSelectedCellInTable() should return null if Selection does not select cells");

  is(rowWrapper.value, 0,

     "nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number if Selection does not select cells");

  is(colWrapper.value, 0,

     "nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number if Selection does not select cells");

  editor.innerHTML =

    '<table id="table">' +

      '<tr id="r1"><td id="c1-1">cell1-1</td><td id="c1-2">cell1-2</td><td id="c1-3">cell1-3</td><td id="c1-4" colspan="2" rowspan="2">cell1-4</td></tr>' +

      '<tr id="r2"><th id="c2-1" rowspan="2">cell2-1</th><td id="c2-2">cell2-2<td id="c2-3">cell2-3</td></tr>' +

      '<tr id="r3"><td id="c3-2">cell3-2</td><td id="c3-3">cell3-3</td><td id="c3-4" colspan="2">cell3-4</td></tr>' +

      '<tr id="r4"><td id="c4-1" rowspan="4">cell4-1</td><td id="c4-2">cell4-2</td><td id="c4-3">cell4-3</td><th id="c4-4">cell4-4</th><td id="c4-5">cell4-5</td></tr>' +

      '<tr id="r5"><th id="c5-2">cell5-2</th><th id="c5-3" colspan="2">cell5-3</th><td id="c5-5">cell5-5</td></tr>' +

      '<tr id="r6"><td id="c6-2">cell6-2</td><td id="c6-3">cell6-3</td><td id="c6-4"><p>cell6-4</p></td><td id="c6-5">cell6-5</td></tr>' +

      '<tr id="r7"><td id="c7-2" colspan="4">cell7-2</td></tr>' +

    "</table>";

  let tr = document.getElementById("r1");

  selection.setBaseAndExtent(tr, 0, tr, 1);

  cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

  is(cell, document.getElementById("c1-1"),

     "#1-1 nsITableEditor.getFirstSelectedCellInTable() should return the first cell element in the first row");

  is(rowWrapper.value, 0,

     "#1-1 nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number for the first row");

  is(colWrapper.value, 0,

     "#1-1 nsITableEditor.getFirstSelectedCellInTable() should return 0 to column number for the first column");

  tr = document.getElementById("r1");

  selection.setBaseAndExtent(tr, 3, tr, 4);

  cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

  is(cell, document.getElementById("c1-4"),

     "#1-4 nsITableEditor.getFirstSelectedCellInTable() should return the last cell element whose colspan and rowspan are 2 in the first row");

  is(rowWrapper.value, 0,

     "#1-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number for the first row");

  is(colWrapper.value, 3,

     "#1-4 nsITableEditor.getFirstSelectedCellInTable() should return 3 to column number for the forth column");

  tr = document.getElementById("r2");

  selection.setBaseAndExtent(tr, 0, tr, 1);

  cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

  is(cell, document.getElementById("c2-1"),

     "#2-1 nsITableEditor.getFirstSelectedCellInTable() should return the first cell element in the second row");

  is(rowWrapper.value, 1,

     "#2-1 nsITableEditor.getFirstSelectedCellInTable() should return 1 to row number for the second row");

  is(colWrapper.value, 0,

     "#2-1 nsITableEditor.getFirstSelectedCellInTable() should return 0 to column number for the first column");

  tr = document.getElementById("r7");

  selection.setBaseAndExtent(tr, 0, tr, 1);

  cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

  is(cell, document.getElementById("c7-2"),

     "#7-2 nsITableEditor.getFirstSelectedCellInTable() should return the second cell element in the last row");

  is(rowWrapper.value, 6,

     "#7-2 nsITableEditor.getFirstSelectedCellInTable() should return 6 to row number for the seventh row");

  is(colWrapper.value, 1,

     "#7-2 nsITableEditor.getFirstSelectedCellInTable() should return 1 to column number for the second column");

  selection.removeAllRanges();

  let range = document.createRange();

  range.selectNode(document.getElementById("c2-2"));

  selection.addRange(range);

  range = document.createRange();

  range.selectNode(document.getElementById("c2-3"));

  selection.addRange(range);

  cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

  is(cell, document.getElementById("c2-2"),

     "#2-2 nsITableEditor.getFirstSelectedCellInTable() should return the second cell element in the second row");

  is(rowWrapper.value, 1,

     "#2-2 nsITableEditor.getFirstSelectedCellInTable() should return 1 to row number for the second row");

  is(colWrapper.value, 1,

     "#2-2 nsITableEditor.getFirstSelectedCellInTable() should return 1 to column number for the second column");

  selection.removeAllRanges();

  range = document.createRange();

  range.selectNode(document.getElementById("c3-4"));

  selection.addRange(range);

  range = document.createRange();

  range.selectNode(document.getElementById("c5-2"));

  selection.addRange(range);

  cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

  is(cell, document.getElementById("c3-4"),

     "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return the last cell element in the third row");

  is(rowWrapper.value, 2,

     "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 2 to row number for the third row");

  is(colWrapper.value, 3,

     "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 3 to column number for the forth column");

  cell = document.getElementById("c6-4");

  selection.selectAllChildren(cell);

  cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

  is(cell, null,

     "nsITableEditor.getFirstSelectedCellInTable() should return null if neither <td> nor <th> element node is selected");

  is(rowWrapper.value, 0,

     "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number if neither <td> nor <th> element node is selected");

  is(colWrapper.value, 0,

     "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to column number if neither <td> nor <th> element node is selected");

  cell = document.getElementById("c6-5");

  selection.setBaseAndExtent(cell.firstChild, 0, cell.firstChild, 0);

  cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

  is(cell, null,

     "nsITableEditor.getFirstSelectedCellInTable() should return null if a text node is selected");

  is(rowWrapper.value, 0,

     "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number if a text node is selected");

  is(colWrapper.value, 0,

     "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to column number if a text node is selected");

  // XXX If cell is not selected, nsITableEditor.getFirstSelectedCellInTable()

  //     returns null without throwing exception, however, if there is no

  //     selection ranges, throwing an exception.  This inconsistency is odd.

  selection.removeAllRanges();

  try {

    cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));

    ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if there is no selection ranges");

  } catch (e) {

    ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if there is no selection ranges");

  tr = document.getElementById("r6");

  selection.setBaseAndExtent(tr, 0, tr, 1);

  try {

    cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable());

    ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if it does not have argument");

  } catch (e) {

    ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if it does not have argument");

  tr = document.getElementById("r6");

  selection.setBaseAndExtent(tr, 0, tr, 1);

  try {

    cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(null));

    ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its argument is only one null");

  } catch (e) {

    ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its argument is only one null");

  tr = document.getElementById("r6");

  selection.setBaseAndExtent(tr, 0, tr, 1);

  try {

    cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(null, null));

    ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its arguments are all null");

  } catch (e) {

    ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its arguments are all null");

  tr = document.getElementById("r6");

  selection.setBaseAndExtent(tr, 0, tr, 1);

  try {

    cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, null));

    ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its column argument is null");

  } catch (e) {

    ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its column argument is null");

  tr = document.getElementById("r6");

  selection.setBaseAndExtent(tr, 0, tr, 1);

  try {

    cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(null, colWrapper));

    ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its row argument is null");

  } catch (e) {

    ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its row argument is null");

  SimpleTest.finish();

});

function getTableEditor() {

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

  return editingSession.getEditorForWindow(window).QueryInterface(SpecialPowers.Ci.nsITableEditor);

</script>

</body>

</html>

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