# Blog articles/Testing

### From HaskellWiki

## Contents |

## 1 Type system enforcement

## 2 Testing, correctness and proofs

### 2.1 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.

### 2.2 HUnit

### 2.3 Catch

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

## 3 Proofs

### 3.1 GADTs

### 3.2 Coq

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

### 3.3 Isabelle

### 3.4 Related work

- See the section on theorem provers