1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" 2 "http://www.w3.org/TR/html4/strict.dtd"> 3<html lang="en"> 4<head> 5</head> 6<body> 7<p><b>BUG ID:</b> <a href="http://bugs.webkit.org/show_bug.cgi?id=9984">Bugzilla bug 9984</a> ASSERTION FAILURE: _private->mouseDownEvent != nil (WebKit/WebView/WebHTMLView.m:4863 -[WebHTMLView(WebInternal) _delegateDragSourceActionMask])</p> 8 9<p id="test" style="background-color:skyblue; padding:3px;"><b>STEPS TO TEST:</b> 10Open this test in a new Safari window. In the new window, click once on the text “Click me”. Do not click 11anywhere else in the window before clicking the text. 12</p> 13 14<p id="success" style="background-color:palegreen; padding:3px;"><b>TEST PASS:</b> 15The text will be deselected. 16</p> 17 18<p id="failure" style="background-color:#FF3300; padding:3px;"><b>TEST FAIL:</b> 19An assertion failure will occur. 20</p> 21 22<iframe id="frame"></iframe> 23<script> 24 var win = window['frame']; 25 var doc = win.document; 26 doc.write("<p id='target'>Click me</p>"); 27 var target = doc.getElementById('target'); 28 win.getSelection().setBaseAndExtent(target, 0, target, 1); 29</script> 30 31</body> 32</html> 33