# 离线只读验证：不访问网络、不操作设备，只读取同目录合成输入。
import json, math, struct, statistics
from pathlib import Path
def check(d):
 import subprocess
 js="const x=JSON.parse(process.argv[1]);process.stdout.write(JSON.stringify(x.map(s=>JSON.stringify(JSON.parse(s)))))"
 r=subprocess.run(['node','-e',js,json.dumps(d)],capture_output=True,text=True,check=True)
 return json.loads(r.stdout)

if __name__=='__main__':
 fixture=json.loads(Path(__file__).with_name('fixture.json').read_text(encoding='utf-8'))
 actual=check(fixture['input'])
 assert actual==fixture['expected'], {'实际':actual,'预期':fixture['expected']}
 print(json.dumps({'状态':'通过','实际':actual,'边界':'仅离线合成样例，现场未测'},ensure_ascii=False))