testing code is often the best they can do. They will or should discover the
hot spots, where most difficulties arise, and the corner cases. If they have
to add some functionality, the first step should be to add a test and, by this
testing code is often the best they can do. They will or should discover the
hot spots, where most difficulties arise, and the corner cases. If they have
to add some functionality, the first step should be to add a test and, by this