Diffusion Ant (feature/nursery) Code

ant/tests/test_define_property_strict.js
ddfe6237cab5feature/nursery

test_define_property_strict.js
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			"use strict";

			// Test Object.defineProperty() in strict mode

			const object = {};

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

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

			// Try to modify in strict mode (should throw)
			try {
			object.foo = 77;
			console.log("FAIL: Should have thrown an error");
			} catch (e) {
			console.log("PASS: Correctly throws in strict mode");
			console.log("object.foo still =", object.foo);
			}

			// Test non-configurable property
			const obj2 = {};
			Object.defineProperty(obj2, "bar", {
			value: "hello",
			configurable: false
			});

			try {
			obj2.bar = "world";
			console.log("FAIL: Should have thrown an error for non-configurable");
			} catch (e) {
			console.log("PASS: Correctly throws for non-configurable in strict mode");
			console.log("obj2.bar still =", obj2.bar);
			}

			// Test enumerable
			const obj3 = {};
			Object.defineProperty(obj3, "hidden", {
			value: "secret",
			enumerable: false
			});

			Object.defineProperty(obj3, "visible", {
			value: "public",
			enumerable: true
			});

			console.log("\nKeys of obj3:", Object.keys(obj3));
			console.log("Expected: only 'visible' should be in keys");

			console.log("\nAll strict mode tests passed!");

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