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69 lines
1.8 KiB
69 lines
1.8 KiB
'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); } 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,
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"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); } 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,
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"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 () {
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x.hidden = 3;
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}, "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 () {
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delete x.hidden;
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}, "Not configurable is not configurable");
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x = Object.defineProperty({}, 'foo',
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{ configurable: false, writable: true, enumerable: false, value: 'bar' });
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try { t(x, { foo: 'lorem' }); } catch (ignore) {}
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a(x.foo, 'bar', "Writable, not enumerable");
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};
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