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Posts Tagged "Testing"

Article

Controlling the JavaScript Event Loop

Deterministic Simulation Testing in JavaScript hits a wall when you go concurrent — the event loop decides which promise resolves first, and you can not replay it. Here is how to take control of time and promise resolution so a seeded PRNG drives everything.

Article

I Let a Random Number Generator Find My Bugs

A seeded PRNG, a reference model, and six thousand requests later: how Deterministic Simulation Testing found a cache bug my unit tests never would have.