editor/libeditor/tests/test_bug332636.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=332636
   5 -->
   6 <head>
   7   <title>Test for Bug 332636</title>
   8   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   9   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  10   <script src="/tests/SimpleTest/EventUtils.js"></script>
  11 </head>
  12 <body>
  13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=332636">Mozilla Bug 332636</a>
  14 <p id="display"></p>
  15 <div id="content">
  16   <div id="edit0" contenteditable="true">axb</div><!-- reference: plane 0 base character -->
  17   <div id="edit1" contenteditable="true">a&#x0308;b</div><!-- reference: plane 0 diacritic -->
  18   <div id="edit2" contenteditable="true">a&#x10400;b</div><!-- plane 1 base character -->
  19   <div id="edit3" contenteditable="true">a&#x10a0f;b</div><!-- plane 1 diacritic -->
  20
  21   <div id="edit0b" contenteditable="true">axb</div><!-- reference: plane 0 base character -->
  22   <div id="edit1b" contenteditable="true">a&#x0308;b</div><!-- reference: plane 0 diacritic -->
  23   <div id="edit2b" contenteditable="true">a&#x10400;b</div><!-- plane 1 base character -->
  24   <div id="edit3b" contenteditable="true">a&#x10a0f;b</div><!-- plane 1 diacritic -->
  25 </div>
  26 <pre id="test">
  27 <script type="application/javascript">
  28
  29 /** Test for Bug 332636 **/
  30
  31 SimpleTest.waitForExplicitFinish();
  32 addLoadEvent(runTest);
  33
  34 function test(edit) {
  35   edit.focus();
  36   var sel = window.getSelection();
  37   sel.collapse(edit.childNodes[0], edit.textContent.length - 1);
  38   synthesizeKey("KEY_Backspace");
  39   is(edit.textContent, "ab", "The backspace key should delete the UTF-16 surrogate pair correctly");
  40 }
  41
  42 function testWithMove(edit, offset) {
  43   edit.focus();
  44   var sel = window.getSelection();
  45   sel.collapse(edit.childNodes[0], 0);
  46   var i;
  47   for (i = 0; i < offset; ++i) {
  48     synthesizeKey("KEY_ArrowRight");
  49     synthesizeKey("KEY_ArrowLeft");
  50     synthesizeKey("KEY_ArrowRight");
  51   }
  52   synthesizeKey("KEY_Backspace");
  53   is(edit.textContent, "ab", "The backspace key should delete the UTF-16 surrogate pair correctly");
  54 }
  55
  56 function runTest() {
  57   /* test backspace-deletion of the middle character */
  58   test(document.getElementById("edit0"));
  59   test(document.getElementById("edit1"));
  60   test(document.getElementById("edit2"));
  61   test(document.getElementById("edit3"));
  62
  63   /* extra tests with the use of RIGHT and LEFT to get to the right place */
  64   testWithMove(document.getElementById("edit0b"), 2);
  65   testWithMove(document.getElementById("edit1b"), 1);
  66   testWithMove(document.getElementById("edit2b"), 2);
  67   testWithMove(document.getElementById("edit3b"), 1);
  68
  69   SimpleTest.finish();
  70 }
  71
  72 </script>
  73 </pre>
  74 </body>
  75 </html>