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- "use strict";
-
- module.exports = function (t, a) {
- var o, o1, o2, x, y = {}, z = {};
- o = { inherited: true };
- o1 = Object.create(o);
- o1.visible = z;
- o1.nonremovable = "raz";
- Object.defineProperty(o1, "hidden", { value: "hidden" });
-
- o2 = Object.defineProperties({}, { nonremovable: { value: y } });
- o2.other = "other";
-
- try {
- t(o2, o1);
- } catch (ignore) {}
-
- a(o2.visible, z, "Enumerable");
- a(o1.hidden, "hidden", "Not Enumerable");
- a(o2.propertyIsEnumerable("visible"), true, "Enumerable is enumerable");
- a(o2.propertyIsEnumerable("hidden"), false,
- "Not enumerable is not enumerable");
-
- a(o2.hasOwnProperty("inherited"), false, "Extend only own");
- a(o2.inherited, undefined, "Extend ony own: value");
-
- a(o2.nonremovable, y, "Do not overwrite non configurable");
- a(o2.other, "other", "Own kept");
-
- x = {};
- t(x, o2);
- try {
- t(x, o1);
- } catch (ignore) {}
-
- a(x.visible, z, "Enumerable");
- a(x.hidden, "hidden", "Not Enumerable");
- a(x.propertyIsEnumerable("visible"), true, "Enumerable is enumerable");
- a(x.propertyIsEnumerable("hidden"), false,
- "Not enumerable is not enumerable");
-
- a(x.hasOwnProperty("inherited"), false, "Extend only own");
- a(x.inherited, undefined, "Extend ony own: value");
-
- a(x.nonremovable, y, "Ignored non configurable");
- a(x.other, "other", "Other");
-
- x.visible = 3;
- a(x.visible, 3, "Writable is writable");
-
- x = {};
- t(x, o1);
- a.throws(function () {
- x.hidden = 3;
- }, "Not writable is not writable");
-
- x = {};
- t(x, o1);
- delete x.visible;
- a.ok(!x.hasOwnProperty("visible"), "Configurable is configurable");
-
- x = {};
- t(x, o1);
- a.throws(function () {
- delete x.hidden;
- }, "Not configurable is not configurable");
-
- x = Object.defineProperty({}, "foo",
- { configurable: false, writable: true, enumerable: false, value: "bar" });
-
- try {
- t(x, { foo: "lorem" });
- } catch (ignore) {}
- a(x.foo, "bar", "Writable, not enumerable");
- };
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