test_closure_spec.js
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test_closure_spec.js
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	// test_closure.js - Test closure scoping across async boundaries

	let results = [];

	// Test 1: Sync push
	results.push('1. sync');

	// Test 2: setTimeout with closure
	setTimeout(() => {
	results.push('4. timeout 50ms');
	}, 50);

	setTimeout(() => {
	results.push('3. timeout 10ms');
	}, 10);

	// Test 3: Promise with closure
	Promise.resolve('2. promise').then(v => {
	results.push(v);
	});

	// Test 4: queueMicrotask with closure
	queueMicrotask(() => {
	results.push('2. microtask');
	});

	// Test 5: Nested closure
	const outer = 'outer-value';
	setTimeout(() => {
	const inner = 'inner-value';
	setTimeout(() => {
	results.push(`5. nested: ${outer}, ${inner}`);
	}, 10);
	}, 60);

	// Final timeout to print results
	setTimeout(() => {
	console.log('Results length:', results.length);
	console.log('Results:');
	for (let i = 0; i < results.length; i++) {
	console.log(' ', results[i]);
	}

	// Expected order:
	// 1. sync
	// 2. promise (microtask)
	// 2. microtask (microtask)
	// 3. timeout 10ms
	// 4. timeout 50ms
	// 5. nested: outer-value, inner-value

	console.log('\nExpected 6 items, got:', results.length);
	if (results.length === 6) {
	console.log('✓ PASS: All closures captured correctly');
	} else {
	console.log('✗ FAIL: Missing items - closure bug');
	}
	}, 200);