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var port;
var timeout;
addEventListener('error', function(e) {
// event is not canceled, thus the error is "not handled"
// so error should be reported to the user, but this test doesn't check
// that.
// just make sure that this event has the right properties
clearTimeout(timeout);
var log = '';
if (!self.ErrorEvent || Object.getPrototypeOf(e) != ErrorEvent.prototype)
log += 'event should be an ErrorEvent. ';
if (e.bubbles)
log += 'event should not bubble. ';
if (!e.cancelable)
log += 'event should be cancelable. ';
if (!e.isTrusted)
log += 'event should be trusted. ';
if (typeof e.message != 'string')
log += 'message wasn\'t a string. ';
if (e.filename != location.href)
log += 'filename was ' + e.filename + ', expected ' + location.href + '. ';
if (typeof e.lineno != 'number')
log += 'lineno wasn\'t a number. ';
if (typeof e.colno != 'number')
log += 'colno argument wasn\'t a number. ';
if (e.error != 42)
log += 'fifth argument wasn\'t the thrown exception. ';
port.postMessage(log);
}, false);
onconnect = function (e) {
port = e.ports[0];
timeout = setTimeout(function() { port.postMessage('No error event fired'); }, 250);
throw 42; // will "report the error"
}