editor/libeditor/tests/test_nsIHTMLEditor_getElementOrParentByTagName.html

   1 <!DOCTYPE>
   2 <html>
   3 <head>
   4   <title>Test for nsIHTMLEditor.getElementOrParentByTagName()</title>
   5   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6   <link rel="stylesheet" href="/tests/SimpleTest/test.css">
   7 </head>
   8 <body>
   9 <section>
  10 <div id="display">
  11 </div>
  12 <div id="content" contenteditable></div>
  13 </section>
  14 <pre id="test">
  15 </pre>
  16
  17 <script class="testbody" type="application/javascript">
  18
  19 SimpleTest.waitForExplicitFinish();
  20 SimpleTest.waitForFocus(async function() {
  21   let section = document.querySelector("section");
  22   let editor = document.querySelector("[contenteditable]");
  23   let selection = window.getSelection();
  24   let element;
  25
  26   // Make sure that each test can run without previous tests for making each test
  27   // debuggable with commenting out the unrelated tests.
  28
  29   try {
  30     editor.focus();
  31     element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("", null));
  32     ok(false, "nsIHTMLEditor.getElementOrParentByTagName(\"\", null) should throw an exception");
  33   } catch {
  34     ok(true, "nsIHTMLEditor.getElementOrParentByTagName(\"\", null) should throw an exception");
  35   }
  36
  37   try {
  38     editor.focus();
  39     element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName(null, null));
  40     ok(false, "nsIHTMLEditor.getElementOrParentByTagName(null, null) should throw an exception");
  41   } catch {
  42     ok(true, "nsIHTMLEditor.getElementOrParentByTagName(null, null) should throw an exception");
  43   }
  44
  45   try {
  46     editor.focus();
  47     element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName(undefined, null));
  48     ok(false, "nsIHTMLEditor.getElementOrParentByTagName(undefined, null) should throw an exception");
  49   } catch {
  50     ok(true, "nsIHTMLEditor.getElementOrParentByTagName(undefined, null) should throw an exception");
  51   }
  52
  53   editor.focus();
  54   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("undefinedtagname", null));
  55   is(element, null,
  56      "nsIHTMLEditor.getElementOrParentByTagName(\"undefinedtagname\", null) should return null");
  57
  58   editor.blur();
  59   selection.collapse(document.getElementById("display"), 0);
  60   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("section", null));
  61   is(element, section,
  62      "nsIHTMLEditor.getElementOrParentByTagName(\"section\", null) should return the <section> when selection is in the it (HTML editor does not have focus)");
  63
  64   editor.focus();
  65   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("section", null));
  66   is(element, section,
  67      "nsIHTMLEditor.getElementOrParentByTagName(\"section\", null) should return the <section> when selection is in the it (HTML editor has focus)");
  68
  69   editor.focus();
  70   selection.removeAllRanges();
  71   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("section", null));
  72   is(element, null,
  73      "nsIHTMLEditor.getElementOrParentByTagName(\"section\", null) should return null when there is no selection");
  74
  75   editor.blur();
  76   selection.collapse(document.getElementById("display"), 0);
  77   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("body", null));
  78   is(element, null,
  79      "nsIHTMLEditor.getElementOrParentByTagName(\"body\", null) should return null when it reaches the <body>");
  80
  81   editor.blur();
  82   selection.collapse(document.getElementById("display"), 0);
  83   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("div", editor));
  84   is(element, editor,
  85      "nsIHTMLEditor.getElementOrParentByTagName(\"div\", editor) should return editor even when selection is outside of it");
  86
  87   editor.innerHTML = "<p>first</p><p>second</p>";
  88   editor.focus();
  89   selection.setBaseAndExtent(editor.firstChild.firstChild, 0, editor.firstChild.nextSibling.firstChild, 3);
  90   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("p", null));
  91   is(element, editor.firstChild,
  92      "nsIHTMLEditor.getElementOrParentByTagName(\"p\", null) should return first <p> element when selection anchor is in it");
  93
  94   editor.innerHTML = "<table><tr><td>cell</td></tr></table>";
  95   editor.focus();
  96   selection.collapse(editor.querySelector("td").firstChild, 2);
  97   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("td", null));
  98   is(element, editor.querySelector("td"),
  99      "nsIHTMLEditor.getElementOrParentByTagName(\"td\", null) should return the <td> when selection is collapsed in it");
 100
 101   editor.innerHTML = "<table><tr><td>cell</td></tr></table>";
 102   editor.focus();
 103   selection.collapse(editor.querySelector("td").firstChild, 2);
 104   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("th", null));
 105   is(element, null,
 106      "nsIHTMLEditor.getElementOrParentByTagName(\"th\", null) should return null when selection is collapsed in <td>");
 107
 108   editor.innerHTML = "<table><tr><td>cell</td></tr></table>";
 109   editor.focus();
 110   selection.setBaseAndExtent(editor.querySelector("tr"), 0, editor.querySelector("tr"), 1);
 111   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("td", null));
 112   is(element, editor.querySelector("td"),
 113      "nsIHTMLEditor.getElementOrParentByTagName(\"td\", null) should return the <td> when it's selected");
 114
 115   editor.innerHTML = "<table><tr><th>cell</th></tr></table>";
 116   editor.focus();
 117   selection.collapse(editor.querySelector("th").firstChild, 2);
 118   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("td", null));
 119   is(element, editor.querySelector("th"),
 120      "nsIHTMLEditor.getElementOrParentByTagName(\"td\", null) should return the <th> when selection is collapsed in it");
 121
 122   editor.innerHTML = "<table><tr><th>cell</th></tr></table>";
 123   editor.focus();
 124   selection.collapse(editor.querySelector("th").firstChild, 2);
 125   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("th", null));
 126   is(element, editor.querySelector("th"),
 127      "nsIHTMLEditor.getElementOrParentByTagName(\"th\", null) should return the <th> when selection is collapsed in it");
 128
 129   editor.innerHTML = "<table><tr><th>cell</th></tr></table>";
 130   editor.focus();
 131   selection.setBaseAndExtent(editor.querySelector("tr"), 0, editor.querySelector("tr"), 1);
 132   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("td", null));
 133   is(element, editor.querySelector("th"),
 134      "nsIHTMLEditor.getElementOrParentByTagName(\"td\", null) should return the <th> when it's selected");
 135
 136   editor.innerHTML = "<table><tr><th>cell</th></tr></table>";
 137   editor.focus();
 138   selection.setBaseAndExtent(editor.querySelector("tr"), 0, editor.querySelector("tr"), 1);
 139   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("th", null));
 140   is(element, editor.querySelector("th"),
 141      "nsIHTMLEditor.getElementOrParentByTagName(\"th\", null) should return the <th> when it's selected");
 142
 143   editor.innerHTML = "<ul><li>listitem</li></ul>";
 144   editor.focus();
 145   selection.collapse(editor.querySelector("li").firstChild, 4);
 146   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ul", null));
 147   is(element, editor.querySelector("ul"),
 148      "nsIHTMLEditor.getElementOrParentByTagName(\"ul\", null) should return the <ul> when selection is collapsed in its <li>");
 149
 150   editor.innerHTML = "<ul><li>listitem</li></ul>";
 151   editor.focus();
 152   selection.collapse(editor.querySelector("li").firstChild, 4);
 153   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
 154   is(element, editor.querySelector("ul"),
 155      "nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <ul> when selection is collapsed in its <li>");
 156
 157   editor.innerHTML = "<ul><li>listitem</li></ul>";
 158   editor.focus();
 159   selection.collapse(editor.querySelector("li").firstChild, 4);
 160   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ol", null));
 161   is(element, null,
 162      "nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return null when selection is collapsed in <ul>");
 163
 164   editor.innerHTML = "<ol><li>listitem</li></ol>";
 165   editor.focus();
 166   selection.collapse(editor.querySelector("li").firstChild, 4);
 167   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ol", null));
 168   is(element, editor.querySelector("ol"),
 169      "nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return the <ol> when selection is collapsed in its <li>");
 170
 171   editor.innerHTML = "<ol><li>listitem</li></ol>";
 172   editor.focus();
 173   selection.collapse(editor.querySelector("li").firstChild, 4);
 174   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
 175   is(element, editor.querySelector("ol"),
 176      "nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <ol> when selection is collapsed in its <li>");
 177
 178   editor.innerHTML = "<ol><li>listitem</li></ol>";
 179   editor.focus();
 180   selection.collapse(editor.querySelector("li").firstChild, 4);
 181   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ul", null));
 182   is(element, null,
 183      "nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return null when selection is collapsed in <ol>");
 184
 185   editor.innerHTML = "<dl><dt>listitem</dt></dl>";
 186   editor.focus();
 187   selection.collapse(editor.querySelector("dt").firstChild, 4);
 188   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("dl", null));
 189   is(element, editor.querySelector("dl"),
 190      "nsIHTMLEditor.getElementOrParentByTagName(\"dl\", null) should return the <dl> when selection is collapsed in its <dt>");
 191
 192   editor.innerHTML = "<dl><dt>listitem</dt></dl>";
 193   editor.focus();
 194   selection.collapse(editor.querySelector("dt").firstChild, 4);
 195   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
 196   is(element, editor.querySelector("dl"),
 197      "nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <dl> when selection is collapsed in its <dt>");
 198
 199   editor.innerHTML = "<dl><dd>listitem</dd></dl>";
 200   editor.focus();
 201   selection.collapse(editor.querySelector("dd").firstChild, 4);
 202   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("dl", null));
 203   is(element, editor.querySelector("dl"),
 204      "nsIHTMLEditor.getElementOrParentByTagName(\"dl\", null) should return the <dl> when selection is collapsed in its <dd>");
 205
 206   editor.innerHTML = "<dl><dd>listitem</dd></dl>";
 207   editor.focus();
 208   selection.collapse(editor.querySelector("dd").firstChild, 4);
 209   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
 210   is(element, editor.querySelector("dl"),
 211      "nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <dl> when selection is collapsed in its <dd>");
 212
 213   editor.innerHTML = "<ul><ol><li>listitem</li></ol></ul>";
 214   editor.focus();
 215   selection.collapse(editor.querySelector("li").firstChild, 4);
 216   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
 217   is(element, editor.querySelector("ol"),
 218      "nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <ol> (sublist) when selection is collapsed in its <li>");
 219
 220   editor.innerHTML = "<ul><ol><li>listitem</li></ol></ul>";
 221   editor.focus();
 222   selection.collapse(editor.querySelector("li").firstChild, 4);
 223   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ol", null));
 224   is(element, editor.querySelector("ol"),
 225      "nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return the <ol> (sublist) when selection is collapsed in its <li>");
 226
 227   editor.innerHTML = "<ul><ol><li>listitem</li></ol></ul>";
 228   editor.focus();
 229   selection.collapse(editor.querySelector("li").firstChild, 4);
 230   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ul", null));
 231   is(element, editor.querySelector("ul"),
 232      "nsIHTMLEditor.getElementOrParentByTagName(\"ul\", null) should return the <ul> when selection is collapsed in its sublist's <li>");
 233
 234   editor.innerHTML = "<ol><ul><li>listitem</li></ul></ol>";
 235   editor.focus();
 236   selection.collapse(editor.querySelector("li").firstChild, 4);
 237   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("list", null));
 238   is(element, editor.querySelector("ul"),
 239      "nsIHTMLEditor.getElementOrParentByTagName(\"list\", null) should return the <ul> (sublist) when selection is collapsed in its <li>");
 240
 241   editor.innerHTML = "<ol><ul><li>listitem</li></ul></ol>";
 242   editor.focus();
 243   selection.collapse(editor.querySelector("li").firstChild, 4);
 244   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ul", null));
 245   is(element, editor.querySelector("ul"),
 246      "nsIHTMLEditor.getElementOrParentByTagName(\"ul\", null) should return the <ul> (sublist) when selection is collapsed in its <li>");
 247
 248   editor.innerHTML = "<ol><ul><li>listitem</li></ul></ol>";
 249   editor.focus();
 250   selection.collapse(editor.querySelector("li").firstChild, 4);
 251   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("ol", null));
 252   is(element, editor.querySelector("ol"),
 253      "nsIHTMLEditor.getElementOrParentByTagName(\"ol\", null) should return the <ol> when selection is collapsed in its sublist's <li>");
 254
 255   editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
 256   editor.focus();
 257   selection.collapse(editor.querySelector("a").firstChild, 3);
 258   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 259   is(element, editor.querySelector("a"),
 260      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a href=\"about:config\"> when selection is collapsed in it");
 261
 262   editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
 263   editor.focus();
 264   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 265   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 266   is(element, editor.querySelector("a"),
 267      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a href=\"about:config\"> when it's selected");
 268
 269   editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
 270   editor.focus();
 271   selection.collapse(editor.querySelector("a").firstChild, 3);
 272   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
 273   is(element, editor.querySelector("a"),
 274      "nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return the <a href=\"about:config\"> when selection is collapsed in it");
 275
 276   editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
 277   editor.focus();
 278   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 279   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
 280   is(element, editor.querySelector("a"),
 281      "nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return the <a href=\"about:config\"> when it's selected");
 282
 283   editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
 284   editor.focus();
 285   selection.collapse(editor.querySelector("a").firstChild, 3);
 286   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
 287   is(element, null,
 288      "nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when selection is collapsed in the <a href=\"about:config\">");
 289
 290   editor.innerHTML = "<p><a href=\"about:config\">anchor</a></p>";
 291   editor.focus();
 292   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 293   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
 294   is(element, null,
 295      "nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when the <a href=\"about:config\"> is selected");
 296
 297   editor.innerHTML = "<p><a href=\"\">anchor</a></p>";
 298   editor.focus();
 299   selection.collapse(editor.querySelector("a").firstChild, 3);
 300   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 301   is(element, editor.querySelector("a"),
 302      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a href=\"\"> when selection is collapsed in it");
 303
 304   editor.innerHTML = "<p><a href=\"\">anchor</a></p>";
 305   editor.focus();
 306   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 307   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 308   is(element, editor.querySelector("a"),
 309      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a href=\"\"> when it's selected");
 310
 311   editor.innerHTML = "<p><a href=\"\">anchor</a></p>";
 312   editor.focus();
 313   selection.collapse(editor.querySelector("a").firstChild, 3);
 314   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
 315   is(element, editor.querySelector("a"),
 316      "nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return the <a href=\"\"> when selection is collapsed in it");
 317
 318   editor.innerHTML = "<p><a href=\"\">anchor</a></p>";
 319   editor.focus();
 320   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 321   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
 322   is(element, editor.querySelector("a"),
 323      "nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return the <a href=\"\"> when it's selected");
 324
 325   editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
 326   editor.focus();
 327   selection.collapse(editor.querySelector("a").firstChild, 3);
 328   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 329   is(element, editor.querySelector("a"),
 330      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a name=\"foo\"> when selection is collapsed in it");
 331
 332   editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
 333   editor.focus();
 334   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 335   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 336   is(element, editor.querySelector("a"),
 337      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a name=\"foo\"> when it's selected");
 338
 339   editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
 340   editor.focus();
 341   selection.collapse(editor.querySelector("a").firstChild, 3);
 342   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
 343   is(element, null,
 344      "nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return null when selection is collapsed in the <a name=\"foo\">");
 345
 346   editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
 347   editor.focus();
 348   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 349   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
 350   is(element, null,
 351      "nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return null when the <a name=\"foo\"> is selected");
 352
 353   editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
 354   editor.focus();
 355   selection.collapse(editor.querySelector("a").firstChild, 3);
 356   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
 357   is(element, editor.querySelector("a"),
 358      "nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return the <a name=\"foo\"> when selection is collapsed in it");
 359
 360   editor.innerHTML = "<p><a name=\"foo\">anchor</a></p>";
 361   editor.focus();
 362   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 363   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
 364   is(element, editor.querySelector("a"),
 365      "nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return the <a name=\"foo\"> when it's selected");
 366
 367   editor.innerHTML = "<p><a name=\"\">anchor</a></p>";
 368   editor.focus();
 369   selection.collapse(editor.querySelector("a").firstChild, 3);
 370   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 371   is(element, editor.querySelector("a"),
 372      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a name=\"\"> when selection is collapsed in it");
 373
 374   editor.innerHTML = "<p><a name=\"\">anchor</a></p>";
 375   editor.focus();
 376   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 377   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 378   is(element, editor.querySelector("a"),
 379      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a name=\"\"> when it's selected");
 380
 381   editor.innerHTML = "<p><a name=\"\">anchor</a></p>";
 382   editor.focus();
 383   selection.collapse(editor.querySelector("a").firstChild, 3);
 384   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
 385   is(element, null,
 386      "nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when selection is collapsed in the <a name=\"\">");
 387
 388   editor.innerHTML = "<p><a name=\"\">anchor</a></p>";
 389   editor.focus();
 390   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 391   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
 392   is(element, null,
 393      "nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when the <a name=\"\"> is selected");
 394
 395   editor.innerHTML = "<p><a>anchor</a></p>";
 396   editor.focus();
 397   selection.collapse(editor.querySelector("a").firstChild, 3);
 398   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 399   is(element, editor.querySelector("a"),
 400      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a> when selection is collapsed in it");
 401
 402   editor.innerHTML = "<p><a>anchor</a></p>";
 403   editor.focus();
 404   selection.collapse(editor.querySelector("a").firstChild, 3);
 405   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
 406   is(element, null,
 407      "nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return null when selection is collapsed in the <a>");
 408
 409   editor.innerHTML = "<p><a>anchor</a></p>";
 410   editor.focus();
 411   selection.collapse(editor.querySelector("a").firstChild, 3);
 412   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
 413   is(element, null,
 414      "nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return null when selection is collapsed in the <a>");
 415
 416   editor.innerHTML = "<p><a>anchor</a></p>";
 417   editor.focus();
 418   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 419   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("a", null));
 420   is(element, editor.querySelector("a"),
 421      "nsIHTMLEditor.getElementOrParentByTagName(\"a\", null) should return the <a> when it's selected");
 422
 423   editor.innerHTML = "<p><a>anchor</a></p>";
 424   editor.focus();
 425   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 426   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("href", null));
 427   is(element, null,
 428      "nsIHTMLEditor.getElementOrParentByTagName(\"href\", null) should return null when the <a> is selected");
 429
 430   editor.innerHTML = "<p><a>anchor</a></p>";
 431   editor.focus();
 432   selection.setBaseAndExtent(editor.firstChild, 0, editor.firstChild, 1);
 433   element = SpecialPowers.unwrap(getHTMLEditor().getElementOrParentByTagName("anchor", null));
 434   is(element, null,
 435      "nsIHTMLEditor.getElementOrParentByTagName(\"anchor\", null) should return the <a> is selected");
 436
 437   SimpleTest.finish();
 438 });
 439
 440 function getHTMLEditor() {
 441   var Ci = SpecialPowers.Ci;
 442   var editingSession = SpecialPowers.wrap(window).docShell.editingSession;
 443   return editingSession.getEditorForWindow(window).QueryInterface(Ci.nsIHTMLEditor);
 444 }
 445
 446 </script>
 447 </body>
 448
 449 </html>