Introduction to Assertions and Logging

Explains how to use assertions and logging to diagnose problems in Cocoa applications.

Organization of This Document

This programming topic covers exception handling insofar as it relates to evaluations of given conditions and the logging of messages. For more sophisticated exception handling, namely techniques involving the raising (or throwing) and handling of exception objects, see Exception Programming Topics .

The articles covered in this programming topic are:

How Assertions Work

Using the Assertion Macros

Logging Messages

Using a Custom Assertion Handler