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家族模拟器首版：修仙/经营/战斗/外交/叙事全套系统 - Electron + React + TS + MetonaSqlark(aria+OPFS) - 水墨中国风 UI - 引擎种子随机、确定性可回放 - 19 项单元测试、端到端冒烟验证
56 lines
1.5 KiB
TypeScript
56 lines
1.5 KiB
TypeScript
import { describe, expect, it } from 'vitest'
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import { Rng, seedToRng } from '../src/renderer/game/core/rng'
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describe('Rng', () => {
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it('is deterministic for same seed', () => {
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const a = new Rng(seedToRng('hello'))
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const b = new Rng(seedToRng('hello'))
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for (let i = 0; i < 100; i++) {
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expect(a.next()).toBe(b.next())
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}
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})
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it('differs for different seeds', () => {
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const a = new Rng(seedToRng('aaa'))
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const b = new Rng(seedToRng('bbb'))
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const seq = 20
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let diff = false
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for (let i = 0; i < seq; i++) {
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if (a.next() !== b.next()) diff = true
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}
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expect(diff).toBe(true)
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})
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it('produces values in [0, 1)', () => {
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const rng = new Rng(seedToRng('x'))
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for (let i = 0; i < 1000; i++) {
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const v = rng.next()
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expect(v).toBeGreaterThanOrEqual(0)
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expect(v).toBeLessThan(1)
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}
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})
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it('int works within bounds', () => {
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const rng = new Rng(seedToRng('y'))
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for (let i = 0; i < 500; i++) {
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const v = rng.int(0, 10)
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expect(v).toBeGreaterThanOrEqual(0)
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expect(v).toBeLessThanOrEqual(10)
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expect(Number.isInteger(v)).toBe(true)
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}
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})
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it('state roundtrip continues identically', () => {
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const a = new Rng(seedToRng('z'))
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const b = new Rng(seedToRng('z'))
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for (let i = 0; i < 10; i++) {
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a.next()
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b.next()
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}
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const snap = a.getState()
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const c = new Rng(snap)
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expect(c.next()).toBe(b.next())
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expect(c.next()).toBe(b.next())
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})
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})
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