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The Case of the Missing Exception

Some bugs are hard.

Last week I had one of the hardest. It only happened occasionally, after a row lock error, in very specific scenarios, on a customer production org. It was, of course, impossible to reproduce. And given that it only occurred now and then for random users, capturing a debug log was out […]

A Most Interesting Apex Trigger Framework

In my book Advanced Apex Programming, I spend quite a bit of time discussing trigger design patterns. But I’m going to let you in on a little secret – what you find in the book isn’t really a “design pattern”, so much as a design concept.

And despite the chapter name “One trigger to rule […]

Code Coverage and Functional Testing for Optional Salesforce Features

A couple of days ago Matt Lacey posted an excellent article on developing for optional Salesforce features. He ended it with a question – how do you ensure code coverage for those orgs that have those features disabled?

For example – let’s say you have code that only runs when multi-currency is enabled on an […]

When is a Boolean not a Boolean?

The other day I saw a question on a forum in which it was noted that the following Apex code fails with a null exception error:

Boolean testVal = null; if ( testVal ) System.debug( ‘Testval is true.’ ); else System.debug( ‘Testval is false.’ );

This is somewhat unexpected in that in almost every other […]