Blog articles/Testing

Type system enforcement

• A bright future: security and modern type systems
• Can your type checking system do this?

Testing, correctness and proofs

QuickCheck

• Introduction to QuickCheck
• QuickChecking a window manager
• Robustness and QuickCheck
• Parsec Parser Testing with QuickCheck
• QuickCheck : Why Testing code should be Laissez-faire
• Calculating the reflect-rotate-translate normal form for an isometry of the plane in Haskell, and verifying it with QuickCheck.
• "Testing Haskell with QuickCheck"

HUnit

• HUnit 1.0 User's Guide
• On Unit Testing and Type Safety
• Getting started with HUnit
• Unit testing with HUnit

Catch

• Does XMonad crash? On proving pattern coverage with Catch
• Preconditions on XMonad
• Equational Reasoning in Haskell

Other

• Up-front Unit Testing in Haskell - an article about unit testing in Haskell using Doctest, Hspec and Cabal
• Code testing in Haskell

Proofs

GADTs

• Developing Programs and Proofs Spontaneously using GADT

Coq

• Strong specifications in Coq: the type says everything
• Proving the monad laws in Coq
  • Introduction
  • The First and Second Laws
  • The Third Law
• Strongly Specified Functions

Isabelle

• Proving Haskell correct with Isabelle/HOL

Related work

• See the section on theorem provers

Further reading

• Research papers on testing, proofs and correctness