michael@0: /**
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/
michael@0:  */
michael@0: onerror = function(event) {
michael@0:   throw "bar";
michael@0: };
michael@0: 
michael@0: var count = 0;
michael@0: onmessage = function(event) {
michael@0:   if (!count++) {
michael@0:     throw "foo";
michael@0:   }
michael@0:   postMessage("");
michael@0: };