ATrapper is an application that counts and records A-Trap calls generated between the time it is installed and removed. To install or remove ATrapper, just launch the application. If ATrapper is not installed, it will display a dialog asking the user if he/she wants to install ATrapper. When the install dialog is up, the user has two choices: Count and record all A-Traps that occur or count only those A-Traps generated from the Application heap. If ATrapper is running under System 7.0, an additional option will become available: Count and record only those A-Traps generated from applications launched after ATrapper.
If ATrapper is already installed, then ATrapper will display a remove dialog. This dialog allows the user to specify the application's name, the test number, and the VU script name (all of which are optional) so that the information can be included at the top of the result file for later reference. It also includes an option for producing database-ready output so that it can be easily imported into a database.
ATrapper is a good tool to use to categorize applications by Toolbox Manager Usage. If you install ATrapper before beginning a test and then remove ATrapper after completing the test, you will have a result file containing all of the calls generated for that test. This result file can be used to determine the amount of stress on the various managers that the test performs. If you received a new build of a System that has made changes to a particular manager (or just a particular call), you could look back through your result files and find the test(s) that exercises that area the most. This can greatly reduce your testing time by eliminating those tests that are not related to what you are testing for.
ATrapper is currently at version 1.2b3. This version has an updated trap table which includes all of the new traps created for 7.0. This version also breaks down the Package A-Traps into individual calls.
