<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head> </head> <body> <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> <p id="test" style="background-color:skyblue; padding:3px;"><b>STEPS TO TEST:</b> Open this test in a new Safari window. In the new window, click once on the text “Click me”. Do not click anywhere else in the window before clicking the text. </p> <p id="success" style="background-color:palegreen; padding:3px;"><b>TEST PASS:</b> The text will be deselected. </p> <p id="failure" style="background-color:#FF3300; padding:3px;"><b>TEST FAIL:</b> An assertion failure will occur. </p> <iframe id="frame"></iframe> <script> var win = window['frame']; var doc = win.document; doc.write("<p id='target'>Click me</p>"); var target = doc.getElementById('target'); win.getSelection().setBaseAndExtent(target, 0, target, 1); </script> </body> </html>