chex4j

Features

• Compliments Test Driven Development by asserting logic held in method annotations.
• Compliments Design By Contract by documenting and enforcing pre- and post- conditions of methods.
• Works with inheritance. You can @Pre or @Post logic to an abstract method on an abstract class and the logic will be injected into the concrete methods of the subclasses of classes which overload your method; even when you don't have their source code.
• Works with interfaces. If you add @Pre or @Post logic to an interface method the logic will be injected into the methods of classes which implement your interface; even when you don't have their source code.
• Offline instrumentation. See the ant build scripts in the chex4j-test project which show offline instrumentation of classes as part of a build so that you don't have to use the javaagent.

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