import { expect, test, vi } from "vitest"

import { randomBoolean } from "#Source/random/index.ts"

test("randomBoolean returns expected output across probabilities and available random sources", () => {
  const defaultValue = randomBoolean()
  expect(typeof defaultValue).toBe("boolean")

  expect(randomBoolean(0)).toBe(false)
  expect(randomBoolean(1)).toBe(true)
  expect(() => randomBoolean(Number.NaN)).toThrow(TypeError)
  expect(() => randomBoolean(Number.POSITIVE_INFINITY)).toThrow(TypeError)
  expect(() => randomBoolean(-0.1)).toThrow(RangeError)
  expect(() => randomBoolean(1.1)).toThrow(RangeError)

  vi.stubGlobal("crypto", undefined)

  try {
    const fallbackValue = randomBoolean(0.5)
    expect(typeof fallbackValue).toBe("boolean")
  } finally {
    vi.unstubAllGlobals()
  }
})