editor/libeditor/tests/test_texteditor_textnode.html

   1 <!DOCTYPE html>
   2 <meta charset="utf-8">
   3 <title>Test for Bug 1713334</title>
   4 <script src="/tests/SimpleTest/SimpleTest.js"></script>
   5 <script src="/tests/SimpleTest/EventUtils.js"></script>
   6 <link rel="stylesheet" href="/tests/SimpleTest/test.css">
   7 <input id="input">
   8 <textarea id="textarea"></textarea>
   9 <script>
  10 "use strict";
  11
  12 function assertChild(div, content) {
  13   const name = div.parentElement.localName;
  14   is(div.firstChild.nodeType, Node.TEXT_NODE, `<${name}>: The first node of the root element must be a text node`);
  15   is(div.firstChild.textContent, content, `<${name}>: The content of the text node is wrong`);
  16 }
  17
  18 function test(element) {
  19   element.focus();
  20
  21   const { rootElement } = SpecialPowers.wrap(element).editor;
  22   assertChild(rootElement, "");
  23
  24   element.value = "";
  25   assertChild(rootElement, "");
  26
  27   element.value = "foo"
  28   assertChild(rootElement, "foo");
  29
  30   element.value = "";
  31   assertChild(rootElement, "");
  32
  33   element.value = "foo";
  34   const selection =
  35     SpecialPowers.wrap(element).
  36     editor.
  37     selectionController.getSelection(
  38       SpecialPowers.Ci.nsISelectionController.SELECTION_NORMAL
  39     );
  40   selection.setBaseAndExtent(rootElement, 0, rootElement, 1);
  41   document.execCommand("delete");
  42   assertChild(rootElement, "");
  43 }
  44
  45 SimpleTest.waitForExplicitFinish();
  46 SimpleTest.waitForFocus(() => {
  47   test(document.all.input);
  48   test(document.all.textarea);
  49
  50   SimpleTest.finish();
  51 });
  52 </script>