tla.js
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tla.js
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	import { test, testDeep, summary } from './helpers.js';

	console.log('Top-Level Await Tests\n');

	// basic TLA with promise
	const basic = await Promise.resolve(42);
	test('basic TLA', basic, 42);

	// TLA with async function call
	async function getValue() { return 'hello'; }
	const fromAsync = await getValue();
	test('TLA await async function', fromAsync, 'hello');

	// TLA sequential awaits
	const a = await Promise.resolve(1);
	const b = await Promise.resolve(2);
	const c = await Promise.resolve(3);
	test('TLA sequential awaits', a + b + c, 6);

	// TLA with non-promise (should pass through)
	const plain = await 99;
	test('TLA await non-promise', plain, 99);

	// TLA with chained promise
	const chained = await Promise.resolve(1).then(v => v + 1).then(v => v + 1);
	test('TLA chained promise', chained, 3);

	// TLA preserves execution order
	const order = [];
	order.push(1);
	await Promise.resolve();
	order.push(2);
	await Promise.resolve();
	order.push(3);
	testDeep('TLA preserves order', order, [1, 2, 3]);

	// TLA with Promise.all
	const [x, y, z] = await Promise.all([
	Promise.resolve('a'),
	Promise.resolve('b'),
	Promise.resolve('c'),
	]);
	test('TLA Promise.all destructuring', x + y + z, 'abc');

	// TLA error handling with try/catch
	let caught = null;
	try {
	await Promise.reject('tla error');
	} catch (e) {
	caught = e;
	}
	test('TLA try/catch rejection', caught, 'tla error');

	// TLA with setTimeout promise
	const delayed = await new Promise(resolve => setTimeout(() => resolve('delayed'), 10));
	test('TLA with setTimeout', delayed, 'delayed');

	// TLA in conditional
	const flag = true;
	const conditional = flag ? await Promise.resolve('yes') : 'no';
	test('TLA in conditional', conditional, 'yes');

	summary();

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