overseer/node_modules/d/test/lazy.js

98 lines
2.8 KiB
JavaScript

"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);
};