/**
* Executes an arbitrary expression.<br>
* It fails if the expression throws a JsAssertException.<br>
* It fails if the expression throws a RhinoException.<br>
* Code from JsTester (http://jstester.sf.net/)
*/
public Object eval(String expr) {
Object value = null;
try {
value = context.evaluateString(globalScope, expr, "", 1, null);
} catch (JavaScriptException jse) {
Scriptable jsAssertException = (Scriptable) globalScope.get("currentException", globalScope);
jse.printStackTrace();
String message = (String) jsAssertException.get("message", jsAssertException);
if (message != null) {
fail(message);
}
} catch (RhinoException re) {
fail(re.getMessage());
}
return value;
}
