chromium/third_party/blink/web_tests/accessibility/label-element-press.html

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../resources/js-test.js"></script>
</head>

<body>

  <div id="container">
      <label tabindex=0 onclick="performEvent();" id="labelElement">label</label>
  </div>

<script>

    description("This tests that a label element without a corresponding control will perform a press action on itself instead of nothing.");
 
    function performEvent() {
       testRunner.notifyDone();
    }

    if (window.accessibilityController) {
 
        testRunner.waitUntilDone();
        var container = accessibilityController.accessibleElementById("container");   
        var label = container.childAtIndex(0);
    
        // if successful, performEvent() will be called and we'll successfully parse.        
        label.press();
    }

</script>

</body>
</html>