Diffusion Ant (feature/nursery) Code

ant/tests/class.cjs
ddfe6237cab5feature/nursery

class.cjs
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			// Test class keyword

			console.log("=== Testing class keyword ===");

			// Test 1: Simple class with constructor
			class Person {
			constructor(name, age) {
			this.name = name;
			this.age = age;
			}
			}

			let person1 = new Person("Alice", 30);
			console.log(person1.name); // "Alice"
			console.log(person1.age); // 30

			// Test 2: Class with methods
			class Calculator {
			constructor(value) {
			this.value = value;
			}

			add(n) {
			this.value = this.value + n;
			return this.value;
			}

			subtract(n) {
			this.value = this.value - n;
			return this.value;
			}

			getValue() {
			return this.value;
			}
			}

			let calc = new Calculator(10);
			console.log(calc.value); // 10
			console.log(calc.add(5)); // 15
			console.log(calc.subtract(3)); // 12
			console.log(calc.getValue()); // 12

			// Test 3: Class without explicit constructor
			class Point {
			setCoords(x, y) {
			this.x = x;
			this.y = y;
			}

			getDistance() {
			return this.x * this.x + this.y * this.y;
			}
			}

			let p = new Point();
			p.setCoords(3, 4);
			console.log(p.x); // 3
			console.log(p.y); // 4
			console.log(p.getDistance()); // 25

			// Test 4: Multiple instances
			class Counter {
			constructor(start) {
			this.count = start;
			}

			increment() {
			this.count = this.count + 1;
			return this.count;
			}
			}

			let counter1 = new Counter(0);
			let counter2 = new Counter(10);
			console.log(counter1.increment()); // 1
			console.log(counter1.increment()); // 2
			console.log(counter2.increment()); // 11
			console.log(counter2.increment()); // 12

			// Test 5: Class instances are objects
			let person2 = new Person("Bob", 25);
			console.log(typeof person2); // object
			console.log(person2 instanceof Object); // true

			// Test 6: Modify instance properties
			class Rectangle {
			constructor(width, height) {
			this.width = width;
			this.height = height;
			}

			area() {
			return this.width * this.height;
			}
			}

			let rect = new Rectangle(5, 10);
			console.log(rect.area()); // 50
			rect.width = 8;
			console.log(rect.area()); // 80

			// Test 7: Delete class instance properties
			let person3 = new Person("Charlie", 35);
			console.log(person3.name); // "Charlie"
			delete person3.name;
			console.log(person3.name); // undefined
			console.log(person3.age); // 35

			// Test 8: Class with property management
			class Store {
			constructor() {
			this.items = 0;
			}

			addItem(name, value) {
			this.items = this.items + 1;
			}

			removeItem(name) {
			this.items = this.items - 1;
			return true;
			}

			getItemCount() {
			return this.items;
			}
			}

			let store = new Store();
			console.log(store.getItemCount()); // 0
			store.addItem("apple", 5);
			store.addItem("banana", 3);
			console.log(store.getItemCount()); // 2
			store.removeItem("apple");
			console.log(store.getItemCount()); // 1

			// Test 9: Method chaining
			class ChainableCounter {
			constructor(value) {
			this.value = value;
			}

			add(n) {
			this.value = this.value + n;
			return this;
			}

			multiply(n) {
			this.value = this.value * n;
			return this;
			}

			get() {
			return this.value;
			}
			}

			let chain = new ChainableCounter(5);
			let result = chain.add(3).multiply(2).get();
			console.log(result); // 16

			// Test 10: Class with boolean properties
			class Feature {
			constructor(name) {
			this.name = name;
			this.enabled = false;
			}

			enable() {
			this.enabled = true;
			}

			disable() {
			this.enabled = false;
			}

			isEnabled() {
			return this.enabled;
			}
			}

			let feature = new Feature("DarkMode");
			console.log(feature.isEnabled()); // false
			feature.enable();
			console.log(feature.isEnabled()); // true
			feature.disable();
			console.log(feature.isEnabled()); // false

			console.log("=== Class tests completed ===");

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