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