It's easy to write clean-room unit-tests with truffle:
A) for Java, JavaScript, and C++
B) for JavaScript using Web3.js
C) for Solidity and JavaScript
D) for any language, as long as it adheres to the open Testing-Interface from Truffle

Question

Quizplus · Accepted Answer

Truffle is a development framework specifically designed for Ethereum, which primarily supports Solidity for smart contracts and JavaScript for testing and scripting.

It's Easy to Write Clean-Room Unit-Tests with Truffle