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node_modules/es5-ext/test/object/mixin.js
Maintainability
52.06
Lines of code
69
Difficulty
18.53
Estimated Errors
0.68
Function weight
By Complexity
By SLOC
'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"); };