39 lines
1,022 B
TypeScript
39 lines
1,022 B
TypeScript
import { describe, it, expect } from 'bun:test'
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import { FrameStats } from '@open-pencil/core'
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describe('FrameStats', () => {
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it('records frames and computes rolling averages', () => {
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const stats = new FrameStats()
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for (let i = 0; i < 10; i++) {
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stats.recordFrame(5)
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}
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expect(stats.avgCpuTime).toBe(5)
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expect(stats.smoothedFps).toBeGreaterThan(0)
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expect(stats.getFrameTimeHistory()).toBeInstanceOf(Float64Array)
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expect(stats.getBufferCount()).toBe(10)
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})
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it('tracks external fields', () => {
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const stats = new FrameStats()
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stats.totalNodes = 100
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stats.culledNodes = 20
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stats.drawCalls = 50
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stats.scenePictureCacheHit = true
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expect(stats.totalNodes).toBe(100)
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expect(stats.culledNodes).toBe(20)
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expect(stats.drawCalls).toBe(50)
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expect(stats.scenePictureCacheHit).toBe(true)
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})
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it('handles GPU time as Number.NaN initially', () => {
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const stats = new FrameStats()
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stats.recordFrame(1)
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expect(stats.gpuTime).toBe(0)
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})
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})
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