# Blog articles/Testing

From HaskellWiki

## Contents

## Type system enforcement

## 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.

### HUnit

### Catch

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

## Proofs

### GADTs

### Coq

- Strong specifications in Coq: the type says everything
- Proving the monad laws in Coq
- Strongly Specified Functions

### Isabelle

### Related work

- See the section on theorem provers