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

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

	const obj = { a: 1, b: 2 };

	test('Reflect.get', Reflect.get(obj, 'a'), 1);

	Reflect.set(obj, 'c', 3);
	test('Reflect.set', obj.c, 3);

	test('Reflect.has true', Reflect.has(obj, 'a'), true);
	test('Reflect.has false', Reflect.has(obj, 'z'), false);

	Reflect.deleteProperty(obj, 'c');
	test('Reflect.deleteProperty', obj.c, undefined);

	testDeep('Reflect.ownKeys', Reflect.ownKeys({ x: 1, y: 2 }), ['x', 'y']);

	function Point(x, y) {
	this.x = x;
	this.y = y;
	}
	const p = Reflect.construct(Point, [3, 4]);
	test('Reflect.construct x', p.x, 3);
	test('Reflect.construct y', p.y, 4);

	function greet(greeting) {
	return greeting + ' ' + this.name;
	}
	test('Reflect.apply', Reflect.apply(greet, { name: 'World' }, ['Hello']), 'Hello World');

	const desc = Reflect.getOwnPropertyDescriptor(obj, 'a');
	test('Reflect.getOwnPropertyDescriptor value', desc.value, 1);

	Reflect.defineProperty(obj, 'd', { value: 4, writable: true });
	test('Reflect.defineProperty', obj.d, 4);

	test('Reflect.getPrototypeOf array', Reflect.getPrototypeOf([]) === Array.prototype, true);

	const newProto = { inherited: true };
	const child = {};
	Reflect.setPrototypeOf(child, newProto);
	test('Reflect.setPrototypeOf', child.inherited, true);

	test('Reflect.isExtensible', Reflect.isExtensible({}), true);

	const frozen = Object.freeze({});
	test('Reflect.isExtensible frozen', Reflect.isExtensible(frozen), false);

	summary();

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