---
title: "Property-based testing"
description: "How can you define an invariant for property-based examples?"
status: "coming-soon"
language: "en"
canonical: "https://bulnik.dev/en/articles/topics/T47.05/"
topicId: "T47.05"
---

> Coming soon — this article is being prepared. Below are its question, intended outcome, and place in the story.

## The question

How can you define an invariant for property-based examples?

## What we will work through

Define an invariant for property-based examples.

## Before you begin

Previously covered: The boundaries of a unit test.

- [The boundaries of a unit test](/en/articles/topics/T47.01/)