static void Main(string[] args)
{
ITextProcessor processor = new FileProcessor();
string result = processor.ReadText();
processor.SaveText(result);
ITextProcessor processorTest = new FileProcessorTest();
// cast processorTest as the specific type to access the extra method
((FileProcessorTest)processorTest).testMethod()
}
static void Main(string[] args)
{
ITextProcessor processor = new FileProcessor();
string result = processor.ReadText();
processor.SaveText(result);
ITextProcessor processorTest = new FileProcessorTest();
if (processorTest is FileProcessorTest)
{
((FileProcessorTest)processor).testMethod();
}
}
