Diffusion Ant (slabs) Code

ant/tests/test_native_bind.js
327d21970a03slabs

test_native_bind.js
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			// Test binding native event functions

			console.log('Testing .bind() with native functions...\n');

			// Test 1: Bind addEventListener
			console.log('Test 1: Bind addEventListener');
			const target = new EventTarget();
			const boundAdd = target.addEventListener.bind(target);

			console.log(' boundAdd type:', typeof boundAdd);

			try {
			boundAdd('test', () => {
			console.log(' Listener called!');
			});
			target.dispatchEvent('test');
			console.log(' PASS: Bound native function works!');
			} catch (e) {
			console.log(' FAIL:', e);
			}

			// Test 2: Store bound method in object
			console.log('\nTest 2: Store bound methods in object');
			const target2 = new EventTarget();
			const wrapper = {};
			wrapper.on = target2.addEventListener.bind(target2);
			wrapper.emit = target2.dispatchEvent.bind(target2);

			try {
			wrapper.on('test', () => {
			console.log(' Stored bound listener called!');
			});
			wrapper.emit('test');
			console.log(' PASS: Stored bound methods work!');
			} catch (e) {
			console.log(' FAIL:', e);
			}

			// Test 3: Use in a class
			console.log('\nTest 3: Use bound methods in class');
			class MyEmitter {
			constructor() {
			const target = new EventTarget();
			this.on = target.addEventListener.bind(target);
			this.emit = target.dispatchEvent.bind(target);
			}
			}

			try {
			const emitter = new MyEmitter();
			emitter.on('test', () => {
			console.log(' Class listener called!');
			});
			emitter.emit('test');
			console.log(' PASS: Class with bound methods works!');
			} catch (e) {
			console.log(' FAIL:', e);
			}

			console.log('\nAll tests completed!');

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