test_async_promise_job_resume.cjs
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test_async_promise_job_resume.cjs
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	function assertEq(actual, expected, message) {
	if (actual !== expected) {
	throw new Error(`${message}: expected ${expected}, got ${actual}`);
	}
	}

	async function leaf(iteration) {
	const local = `leaf-${iteration}`;
	const payload = await Promise.resolve(iteration)
	.then((value) => Promise.resolve(value + 1))
	.then((value) => ({ value, local }));
	return `${payload.local}:${payload.value}`;
	}

	async function middle(iteration) {
	const local = `middle-${iteration}`;
	const value = await Promise.resolve().then(() => leaf(iteration));
	return `${local}:${value}`;
	}

	async function runOnce(iteration) {
	const local = `outer-${iteration}`;
	return `${local}:${await middle(iteration)}`;
	}

	async function main() {
	for (let i = 0; i < 128; i++) {
	const actual = await runOnce(i);
	const expected = `outer-${i}:middle-${i}:leaf-${i}:${i + 1}`;
	assertEq(actual, expected, `promise-job resume ${i}`);
	}

	console.log('promise-job async resumes stay stable across repeated microtask churn');
	}

	main().catch((err) => {
	console.error(err && err.stack ? err.stack : String(err));
	throw err;
	});