PrintStream result = enhancedFactory.getPrintStream();
Assert.assertFalse(Proxies.isForgeProxy(result));
File file = File.createTempFile("furnace", "printStream");
file.deleteOnExit();
enhancedFactory.usePrintStream(new CustomPrintStream(file));
try
{
@SuppressWarnings("unused")
CustomPrintStream customResult = enhancedFactory.getCustomPrintStream();