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Docs: Add warning for Linux users about potential system freeze in property tests #896

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Docs: Add warning for Linux users about potential system freeze in property tests #896

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10 changes: 10 additions & 0 deletions roman-numerals.md
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Expand Up @@ -687,6 +687,16 @@ Property based tests help you do this by throwing random data at your code and v

Enough words, let's see some code

> **⚠️ Linux Users:** Please **DO NOT** run the test below immediately. It will likely freeze your system (requiring a hard reboot).
>
> <details>
> <summary>Click here to see why (Technical Explanation)</summary>
>
> The `testing/quick` package generates random integers up to `int64` max. Our current naive implementation attempts to build a string of that length in memory (quadrillions of characters).
>
> While macOS and Windows often handle this gracefully (UI remains responsive), Linux kernels usually encounter "swap thrashing," causing the entire system to freeze before the process can be killed.
> </details>

```go
func TestPropertiesOfConversion(t *testing.T) {
assertion := func(arabic int) bool {
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