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ant/tests/test_define_property.js
da28911c0817bytecode

test_define_property.js
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			// Test Object.defineProperty()

			const object = {};

			Object.defineProperty(object, "foo", {
			value: 42,
			writable: false,
			});

			console.log("object.foo =", object.foo);

			// Try to modify (should be prevented by configurable: false default)
			try {
			object.foo = 77;
			console.log("After trying to modify, object.foo =", object.foo);
			} catch (e) {
			console.log("Cannot modify foo (expected):", e);
			}

			// Test with enumerable
			const obj2 = {};
			Object.defineProperty(obj2, "bar", {
			value: "hello",
			enumerable: true,
			configurable: true
			});

			console.log("obj2.bar =", obj2.bar);
			console.log("Object.keys(obj2) =", Object.keys(obj2));

			// Test with non-enumerable property
			const obj3 = {};
			Object.defineProperty(obj3, "hidden", {
			value: "secret",
			enumerable: false
			});
			obj3.visible = "public";

			console.log("obj3.hidden =", obj3.hidden);
			console.log("obj3.visible =", obj3.visible);
			console.log("Object.keys(obj3) =", Object.keys(obj3));

			console.log("All tests passed!");

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