editor/libeditor/tests/test_bug597331.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=597331
   5 -->
   6 <head>
   7   <title>Test for Bug 597331</title>
   8   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   9   <script src="/tests/SimpleTest/EventUtils.js"></script>
  10   <script src="/tests/SimpleTest/WindowSnapshot.js"></script>
  11   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  12   <style>
  13   textarea { border-color: white; }
  14   </style>
  15 </head>
  16 <body>
  17 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=597331">Mozilla Bug 597331</a>
  18 <p id="display"></p>
  19 <div id="content">
  20 <textarea>line1
  21 line2
  22 line3
  23 </textarea>
  24 </div>
  25 <pre id="test">
  26 <script type="application/javascript">
  27
  28 /** Test for Bug 597331 **/
  29
  30 SimpleTest.waitForExplicitFinish();
  31 addLoadEvent(function() {
  32   SimpleTest.executeSoon(function() {
  33     var t = document.querySelector("textarea");
  34     t.focus();
  35     t.selectionStart = 4;
  36     t.selectionEnd = 4;
  37     SimpleTest.executeSoon(function() {
  38       t.getBoundingClientRect(); // flush layout
  39       var before = snapshotWindow(window, true);
  40       t.selectionStart = 5;
  41       t.selectionEnd = 5;
  42       t.addEventListener("keydown", function() {
  43         SimpleTest.executeSoon(function() {
  44           t.style.display = "block";
  45           document.body.offsetWidth;
  46           t.style.display = "";
  47           document.body.offsetWidth;
  48
  49           is(t.selectionStart, 4, "Cursor should be moved correctly");
  50           is(t.selectionEnd, 4, "Cursor should be moved correctly");
  51
  52           var after = snapshotWindow(window, true);
  53
  54           var result = compareSnapshots(before, after, true);
  55           var msg = "The caret should be displayed correctly after reframing";
  56           if (!result[0]) {
  57             msg += "\nRESULT:\n" + result[2];
  58             msg += "\nREFERENCE:\n" + result[1];
  59           }
  60           ok(result[0], msg);
  61
  62           SimpleTest.finish();
  63         });
  64       }, {once: true});
  65       synthesizeKey("KEY_ArrowLeft");
  66     });
  67   });
  68 });
  69
  70 </script>
  71 </pre>
  72 </body>
  73 </html>