gistfile1.txt

const { exec } = require('child_process')
const fs = require('fs')

const stdin = `
3
5
10
15
`.trim()

const expectedOutput = `
5
10
`
	.trim()
	.split('\n')

const java = exec(`cd ${process.env.USER_CODE_DIR} && javac HelloWorld.java && java HelloWorld`)
java.stdin.write(stdin + '\n')

let _realOutput = ''

java.stdout.on('data', (data) => {
	_realOutput += data.toString()
})

java.stdout.on('close', () => {
	const results = []
	const realOutput = _realOutput.trim().split('\n')

	for (let i = 0; i < expectedOutput.length; i++) {
		const expectedRow = expectedOutput[i]
		const actualRow = realOutput[i]
		results.push(expectedRow === actualRow)
	}

	fs.writeFileSync(process.env.UNIT_TEST_OUTPUT_FILE, JSON.stringify(results))
	process.exit(0)
})