editor/libeditor/tests/test_nsITableEditor_getFirstSelectedCellInTable.html

   1 <!DOCTYPE>
   2 <html>
   3 <head>
   4   <title>Test for nsITableEditor.getFirstSelectedCellInTable()</title>
   5   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6   <link rel="stylesheet" href="/tests/SimpleTest/test.css">
   7 </head>
   8 <body>
   9 <div id="display">
  10 </div>
  11 <div id="content" contenteditable></div>
  12 <pre id="test">
  13 </pre>
  14
  15 <script class="testbody" type="application/javascript">
  16
  17 SimpleTest.waitForExplicitFinish();
  18 SimpleTest.waitForFocus(function() {
  19   let editor = document.getElementById("content");
  20   let selection = document.getSelection();
  21
  22   selection.collapse(editor, 0);
  23   let rowWrapper = {};
  24   let colWrapper = {};
  25   let cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
  26   is(cell, null,
  27      "nsITableEditor.getFirstSelectedCellInTable() should return null if Selection does not select cells");
  28   is(rowWrapper.value, 0,
  29      "nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number if Selection does not select cells");
  30   is(colWrapper.value, 0,
  31      "nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number if Selection does not select cells");
  32
  33   editor.innerHTML =
  34     '<table id="table">' +
  35       '<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>' +
  36       '<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>' +
  37       '<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>' +
  38       '<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>' +
  39       '<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>' +
  40       '<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>' +
  41       '<tr id="r7"><td id="c7-2" colspan="4">cell7-2</td></tr>' +
  42     "</table>";
  43
  44   let tr = document.getElementById("r1");
  45   selection.setBaseAndExtent(tr, 0, tr, 1);
  46   cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
  47   is(cell, document.getElementById("c1-1"),
  48      "#1-1 nsITableEditor.getFirstSelectedCellInTable() should return the first cell element in the first row");
  49   is(rowWrapper.value, 0,
  50      "#1-1 nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number for the first row");
  51   is(colWrapper.value, 0,
  52      "#1-1 nsITableEditor.getFirstSelectedCellInTable() should return 0 to column number for the first column");
  53
  54   tr = document.getElementById("r1");
  55   selection.setBaseAndExtent(tr, 3, tr, 4);
  56   cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
  57   is(cell, document.getElementById("c1-4"),
  58      "#1-4 nsITableEditor.getFirstSelectedCellInTable() should return the last cell element whose colspan and rowspan are 2 in the first row");
  59   is(rowWrapper.value, 0,
  60      "#1-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number for the first row");
  61   is(colWrapper.value, 3,
  62      "#1-4 nsITableEditor.getFirstSelectedCellInTable() should return 3 to column number for the forth column");
  63
  64   tr = document.getElementById("r2");
  65   selection.setBaseAndExtent(tr, 0, tr, 1);
  66   cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
  67   is(cell, document.getElementById("c2-1"),
  68      "#2-1 nsITableEditor.getFirstSelectedCellInTable() should return the first cell element in the second row");
  69   is(rowWrapper.value, 1,
  70      "#2-1 nsITableEditor.getFirstSelectedCellInTable() should return 1 to row number for the second row");
  71   is(colWrapper.value, 0,
  72      "#2-1 nsITableEditor.getFirstSelectedCellInTable() should return 0 to column number for the first column");
  73
  74   tr = document.getElementById("r7");
  75   selection.setBaseAndExtent(tr, 0, tr, 1);
  76   cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
  77   is(cell, document.getElementById("c7-2"),
  78      "#7-2 nsITableEditor.getFirstSelectedCellInTable() should return the second cell element in the last row");
  79   is(rowWrapper.value, 6,
  80      "#7-2 nsITableEditor.getFirstSelectedCellInTable() should return 6 to row number for the seventh row");
  81   is(colWrapper.value, 1,
  82      "#7-2 nsITableEditor.getFirstSelectedCellInTable() should return 1 to column number for the second column");
  83
  84   selection.removeAllRanges();
  85   let range = document.createRange();
  86   range.selectNode(document.getElementById("c2-2"));
  87   selection.addRange(range);
  88   range = document.createRange();
  89   range.selectNode(document.getElementById("c2-3"));
  90   selection.addRange(range);
  91   cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
  92   is(cell, document.getElementById("c2-2"),
  93      "#2-2 nsITableEditor.getFirstSelectedCellInTable() should return the second cell element in the second row");
  94   is(rowWrapper.value, 1,
  95      "#2-2 nsITableEditor.getFirstSelectedCellInTable() should return 1 to row number for the second row");
  96   is(colWrapper.value, 1,
  97      "#2-2 nsITableEditor.getFirstSelectedCellInTable() should return 1 to column number for the second column");
  98
  99   selection.removeAllRanges();
 100   range = document.createRange();
 101   range.selectNode(document.getElementById("c3-4"));
 102   selection.addRange(range);
 103   range = document.createRange();
 104   range.selectNode(document.getElementById("c5-2"));
 105   selection.addRange(range);
 106   cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
 107   is(cell, document.getElementById("c3-4"),
 108      "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return the last cell element in the third row");
 109   is(rowWrapper.value, 2,
 110      "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 2 to row number for the third row");
 111   is(colWrapper.value, 3,
 112      "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 3 to column number for the forth column");
 113
 114   cell = document.getElementById("c6-4");
 115   selection.selectAllChildren(cell);
 116   cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
 117   is(cell, null,
 118      "nsITableEditor.getFirstSelectedCellInTable() should return null if neither <td> nor <th> element node is selected");
 119   is(rowWrapper.value, 0,
 120      "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number if neither <td> nor <th> element node is selected");
 121   is(colWrapper.value, 0,
 122      "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to column number if neither <td> nor <th> element node is selected");
 123
 124   cell = document.getElementById("c6-5");
 125   selection.setBaseAndExtent(cell.firstChild, 0, cell.firstChild, 0);
 126   cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
 127   is(cell, null,
 128      "nsITableEditor.getFirstSelectedCellInTable() should return null if a text node is selected");
 129   is(rowWrapper.value, 0,
 130      "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to row number if a text node is selected");
 131   is(colWrapper.value, 0,
 132      "#3-4 nsITableEditor.getFirstSelectedCellInTable() should return 0 to column number if a text node is selected");
 133
 134   // XXX If cell is not selected, nsITableEditor.getFirstSelectedCellInTable()
 135   //     returns null without throwing exception, however, if there is no
 136   //     selection ranges, throwing an exception.  This inconsistency is odd.
 137   selection.removeAllRanges();
 138   try {
 139     cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, colWrapper));
 140     ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if there is no selection ranges");
 141   } catch (e) {
 142     ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if there is no selection ranges");
 143   }
 144
 145   tr = document.getElementById("r6");
 146   selection.setBaseAndExtent(tr, 0, tr, 1);
 147   try {
 148     cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable());
 149     ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if it does not have argument");
 150   } catch (e) {
 151     ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if it does not have argument");
 152   }
 153
 154   tr = document.getElementById("r6");
 155   selection.setBaseAndExtent(tr, 0, tr, 1);
 156   try {
 157     cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(null));
 158     ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its argument is only one null");
 159   } catch (e) {
 160     ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its argument is only one null");
 161   }
 162
 163   tr = document.getElementById("r6");
 164   selection.setBaseAndExtent(tr, 0, tr, 1);
 165   try {
 166     cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(null, null));
 167     ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its arguments are all null");
 168   } catch (e) {
 169     ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its arguments are all null");
 170   }
 171
 172   tr = document.getElementById("r6");
 173   selection.setBaseAndExtent(tr, 0, tr, 1);
 174   try {
 175     cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(rowWrapper, null));
 176     ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its column argument is null");
 177   } catch (e) {
 178     ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its column argument is null");
 179   }
 180
 181   tr = document.getElementById("r6");
 182   selection.setBaseAndExtent(tr, 0, tr, 1);
 183   try {
 184     cell = SpecialPowers.unwrap(getTableEditor().getFirstSelectedCellInTable(null, colWrapper));
 185     ok(false, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its row argument is null");
 186   } catch (e) {
 187     ok(true, "nsITableEditor.getFirstSelectedCellInTable() should throw an exception if its row argument is null");
 188   }
 189
 190   SimpleTest.finish();
 191 });
 192
 193 function getTableEditor() {
 194   let editingSession = SpecialPowers.wrap(window).docShell.editingSession;
 195   return editingSession.getEditorForWindow(window).QueryInterface(SpecialPowers.Ci.nsITableEditor);
 196 }
 197
 198 </script>
 199 </body>
 200
 201 </html>