Diffing APIs with class-dump
In order to stay abreast on the latest changes to XCTest, I run
class-dump on it whenever I download a new version of Xcode.
You can download the latest version and try it out yourself. From the command line:
$ class-dump -H /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks/XCTest.framework
This creates a list of headers found in the framework:
_XCTestDriverTestObserver.h _XCTestCaseInterruptionException.h // ...and so on.
This allows me to see what’s changed between two versions of XCTest on a per-file basis. It’s fun to see how XCTest changed between Xcode 7.0 and Xcode 7.1b2, for example.
Because the changes are split up into files, I can clearly see that there’s a brand new interface named
Try it out on a framework you’re interested in!