weakref.js
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weakref.js
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	import { test, summary } from './helpers.js';

	console.log('WeakRef Tests\n');

	const obj1 = { name: 'test' };
	const ref1 = new WeakRef(obj1);

	test('weakref deref returns target', ref1.deref() === obj1, true);
	test('weakref deref value', ref1.deref().name, 'test');

	const obj2 = { value: 42 };
	const ref2 = new WeakRef(obj2);
	test('weakref deref number value', ref2.deref().value, 42);

	const obj3 = {};
	const ref3 = new WeakRef(obj3);
	test('weakref has deref method', typeof ref3.deref, 'function');
	test('weakref instanceof', ref3 instanceof WeakRef, true);
	test('weakref prototype', Object.getPrototypeOf(ref3) === WeakRef.prototype, true);

	summary();