third_party/WebKit/LayoutTests/fast/events/input-tab-focus-no-duplicate-events.html

   1 <p>Tabbing focus into the bottom input should not trigger duplicate focus events for both inputs.</p>
   2 <input type="text" id="x"><br>
   3 <input type="text" id="y">
   4 <pre id="log">
   5 Expected:
   6 Top Input: Focus Event #1
   7 Bottom Input: Focus Event #1
   8 Top Input: Focus Event #2
   9
  10 Actual:
  11 </pre>
  12
  13 <script>
  14 if (window.testRunner)
  15     window.testRunner.dumpAsText();
  16
  17 function log(s) {
  18     document.getElementById('log').appendChild(document.createTextNode(s+"\n"));
  19 }
  20
  21 var topInput = document.getElementById('x');
  22 var topCounter = 0;
  23 var bottomInput = document.getElementById('y');
  24 var bottomCounter = 0;
  25
  26 topInput.addEventListener('focus', function() {
  27     ++topCounter;
  28     log("Top Input: Focus Event #" + topCounter);
  29 }, false);
  30
  31 bottomInput.addEventListener('focus', function() {
  32     ++bottomCounter;
  33     log("Bottom Input: Focus Event #" + bottomCounter);
  34     topInput.focus();
  35 }, false);
  36
  37 topInput.focus();
  38 if (window.eventSender)
  39     eventSender.keyDown('\t');
  40 </script>