Diffusion Ant (ast) Code

ant/tests/delete.cjs
32b18f1b1662ast

delete.cjs
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			// Test delete keyword

			console.log("=== Testing delete operator ===");

			// Test 1: Delete object property
			let obj = { a: 1, b: 2, c: 3 };
			console.log(obj.a); // 1
			delete obj.a;
			console.log(obj.a); // undefined

			// Test 2: Delete from nested object
			let nested = {
			outer: {
			inner: "value"
			}
			};
			console.log(nested.outer.inner); // "value"
			delete nested.outer.inner;
			console.log(nested.outer.inner); // undefined

			// Test 3: Delete array element
			let arr = [1, 2, 3, 4, 5];
			console.log(arr.length); // 5
			delete arr[2];
			console.log(arr[2]); // undefined
			console.log(arr.length); // 5 (length doesn't change)

			// Test 4: Delete returns true
			let test_obj = { x: 10 };
			let result = delete test_obj.x;
			console.log(result); // true

			// Test 5: Delete non-existent property
			let obj2 = { a: 1 };
			let result2 = delete obj2.b; // Property doesn't exist
			console.log(result2); // true

			// Test 6: Delete from variable (should return true but not delete var)
			// Note: In this implementation, deleting a variable reference returns true
			// but doesn't actually remove the variable from scope
			let myVar = 42;
			let result3 = delete myVar;
			console.log(result3); // true
			// console.log(myVar); // Would still be 42 if properly implemented

			// Test 7: Cannot delete const property
			const obj3 = { a: 1 };
			// This would fail: delete obj3.a; // Error: cannot delete constant property

			// Test 8: Delete with dynamic object properties
			let dynamicObj = {};
			dynamicObj.prop1 = "first";
			dynamicObj.prop2 = "second";
			dynamicObj.prop3 = "third";

			console.log(dynamicObj.prop1); // "first"
			console.log(dynamicObj.prop2); // "second"

			delete dynamicObj.prop2;
			console.log(dynamicObj.prop1); // "first"
			console.log(dynamicObj.prop2); // undefined
			console.log(dynamicObj.prop3); // "third"

			// Test 9: Delete and re-add property
			let reusableObj = { key: "value1" };
			console.log(reusableObj.key); // "value1"
			delete reusableObj.key;
			console.log(reusableObj.key); // undefined
			reusableObj.key = "value2";
			console.log(reusableObj.key); // "value2"

			// Test 10: Delete in complex object structure
			let complex = {
			level1: {
			level2: {
			level3: "deep"
			}
			}
			};
			console.log(complex.level1.level2.level3); // "deep"
			delete complex.level1.level2.level3;
			console.log(complex.level1.level2.level3); // undefined

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

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