21 lines
541 B
TypeScript
21 lines
541 B
TypeScript
import { test } from "bun:test"
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import { equal as assertEqual, ok as assert } from "assert"
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import { rng, randomIndex } from "../src/shared/utils"
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test("randomIndex", () => {
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let idx = randomIndex([5, 7, 9])!
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assert(idx >= 0 && idx < 3)
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idx = randomIndex([5])!
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assertEqual(idx, 0)
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})
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test("rng", () => {
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assertEqual(rng(0, 0), 0)
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const samples = Array.from({ length: 1000 }, () => rng(0, 1))
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const avg = samples.reduce((a, b) => a + b, 0) / samples.length
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assert(avg > 0.45 && avg < 0.55, "Average not close to 0.5")
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})
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