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✏️ Editing: lazy.js

"use strict";

var d                        = require("../")
  , getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

module.exports = function (t, a) {
	var Foo = function () {}, i = 1, o, o2, desc;
	Object.defineProperties(
		Foo.prototype,
		t({
			bar: d(function () { return ++i; }),
			bar2: d(function () { return this.bar + 23; }),
			bar3: d(function () { return this.bar2 + 34; }, { desc: "ew" }),
			bar4: d(function () { return this.bar3 + 12; }, { cacheName: "_bar4_" }),
			bar5: d(function () { return this.bar4 + 3; }, { cacheName: "_bar5_", desc: "e" })
		})
	);

desc = getOwnPropertyDescriptor(Foo.prototype, "bar");
	a(desc.configurable, true, "Configurable: default");
	a(desc.enumerable, false, "Enumerable: default");

o = new Foo();
	a.deep([o.bar, o.bar2, o.bar3, o.bar4, o.bar5], [2, 25, 59, 71, 74], "Values");

a.deep(
		getOwnPropertyDescriptor(o, "bar3"),
		{ configurable: false, enumerable: true, writable: true, value: 59 }, "Desc"
	);
	a(o.hasOwnProperty("bar4"), false, "Cache not exposed");
	desc = getOwnPropertyDescriptor(o, "bar5");
	a.deep(
		desc, { configurable: false, enumerable: true, get: desc.get, set: desc.set },
		"Cache & Desc: desc"
	);

o2 = Object.create(o);
	o2.bar = 30;
	o2.bar3 = 100;

a.deep(
		[o2.bar, o2.bar2, o2.bar3, o2.bar4, o2.bar5], [30, 25, 100, 112, 115], "Extension Values"
	);

Foo = function () {};
	Object.defineProperties(
		Foo.prototype,
		t({
			test: d("w", function () { return "raz"; }),
			test2: d("", function () { return "raz"; }, { desc: "w" }),
			test3: d("", function () { return "raz"; }, { cacheName: "__test3__", desc: "w" }),
			test4: d("w", "bar")
		})
	);

o = new Foo();
	o.test = "marko";
	a.deep(
		getOwnPropertyDescriptor(o, "test"),
		{ configurable: false, enumerable: false, writable: true, value: "marko" }, "Set before get"
	);
	o.test2 = "marko2";
	a.deep(
		getOwnPropertyDescriptor(o, "test2"),
		{ configurable: false, enumerable: false, writable: true, value: "marko2" },
		"Set before get: Custom desc"
	);
	o.test3 = "marko3";
	a.deep(
		getOwnPropertyDescriptor(o, "__test3__"),
		{ configurable: false, enumerable: false, writable: true, value: "marko3" },
		"Set before get: Custom cache name"
	);
	a(o.test4, "bar", "Resolve by value");

a.h1("Flat");
	Object.defineProperties(
		Foo.prototype,
		t({
			flat: d(function () { return "foo"; }, { flat: true }),
			flat2: d(function () { return "bar"; }, { flat: true })
		})
	);

a.h2("Instance");
	a(o.flat, "foo", "Value");
	a(o.hasOwnProperty("flat"), false, "Instance");
	a(Foo.prototype.flat, "foo", "Prototype");

a.h2("Direct");
	a(Foo.prototype.flat2, "bar");

a.h2("Reset direct");
	Object.defineProperties(Foo.prototype, t({ testResetDirect: d(false) }));

a.throws(function () { Foo.prototype.testResetDirect = false; }, TypeError);
};

MR SKB