repro_async_generator_crash_stress.cjs
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repro_async_generator_crash_stress.cjs
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	async function* delayedPair(tag) {
	await new Promise((resolve) => setTimeout(resolve, 0));
	yield tag + ":one";
	await new Promise((resolve) => setTimeout(resolve, 0));
	yield tag + ":two";
	}

	async function stressOverlap(iteration) {
	const it = delayedPair("overlap:" + iteration);
	const p1 = it.next();
	const p2 = it.next();
	const p3 = it.next();
	return Promise.allSettled([p1, p2, p3]);
	}

	async function stressReturn(iteration) {
	const it = delayedPair("return:" + iteration);
	const p1 = it.next();
	const p2 = it.return("done:" + iteration);
	return Promise.allSettled([p1, p2]);
	}

	async function stressThrow(iteration) {
	const it = delayedPair("throw:" + iteration);
	const p1 = it.next();
	const p2 = it.throw(new Error("boom:" + iteration));
	return Promise.allSettled([p1, p2]);
	}

	async function main() {
	for (let i = 0; i < 512; i++) {
	if ((i & 31) === 0) console.log("iter", i);
	await stressOverlap(i);
	await stressReturn(i);
	await stressThrow(i);
	}
	console.log("async generator crash stress completed");
	}

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

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