#!/usr/bin/env python3
"""Standalone synthetic fixture; standard library only. No network, credentials or user paths."""
import json, math, statistics, sys, platform, datetime

MB=10**6;MiB=2**20;Mbps=10**6
result={'hundredMB':100*MB,'hundredMiB':100*MiB,'differenceBytes':100*(MiB-MB),'hundredMBinMiB':100*MB/MiB,'hundredMiBinMB':100*MiB/MB,'rate100MbpsBytesPerSecond':100*Mbps/8,'idealSeconds100MBat100Mbps':100*MB*8/(100*Mbps),'idealSeconds100MiBat100Mbps':100*MiB*8/(100*Mbps),'twentyPercentNotPayloadEfficiencySeconds100MiB':100*MiB*8/(100*Mbps*.8),'utf8Bytes':len('가나다'.encode('utf-8')),'codePoints':len('가나다'),'idealSeconds100MBat10Mbps':100*MB*8/(10*Mbps),'oneGBBytes':10**9,'oneGiBBytes':2**30}
assert result['hundredMiB']==104857600 and result['utf8Bytes']==9

print(json.dumps({"fixtureCreatedOn":"2026-10-15","executedAt":datetime.datetime.now(datetime.timezone.utc).isoformat(),"synthetic":True,"runtime":platform.python_version(),"result":result},ensure_ascii=False,indent=2))