git.r.bdr.sh - rbdr/dotfiles/blob

   1 'use strict';
   2
   3 module.exports = function (t, a) {
   4         var o, o1, o2, x, y = {}, z = {};
   5         o = { inherited: true, visible: 23 };
   6         o1 = Object.create(o);
   7         o1.visible = z;
   8         o1.nonremovable = 'raz';
   9         Object.defineProperty(o1, 'hidden', { value: 'hidden' });
  10
  11         o2 = Object.defineProperties({}, { nonremovable: { value: y } });
  12         o2.other = 'other';
  13
  14         try { t(o2, o1); } catch (ignore) {}
  15
  16         a(o2.visible, z, "Enumerable");
  17         a(o1.hidden, 'hidden', "Not Enumerable");
  18         a(o2.propertyIsEnumerable('visible'), true, "Enumerable is enumerable");
  19         a(o2.propertyIsEnumerable('hidden'), false,
  20                 "Not enumerable is not enumerable");
  21
  22         a(o2.inherited, true, "Extend deep");
  23
  24         a(o2.nonremovable, y, "Do not overwrite non configurable");
  25         a(o2.other, 'other', "Own kept");
  26
  27         x = {};
  28         t(x, o2);
  29         try { t(x, o1); } catch (ignore) {}
  30
  31         a(x.visible, z, "Enumerable");
  32         a(x.hidden, 'hidden', "Not Enumerable");
  33         a(x.propertyIsEnumerable('visible'), true, "Enumerable is enumerable");
  34         a(x.propertyIsEnumerable('hidden'), false,
  35                 "Not enumerable is not enumerable");
  36
  37         a(x.inherited, true, "Extend deep");
  38
  39         a(x.nonremovable, y, "Ignored non configurable");
  40         a(x.other, 'other', "Other");
  41
  42         x.visible = 3;
  43         a(x.visible, 3, "Writable is writable");
  44
  45         x = {};
  46         t(x, o1);
  47         a.throws(function () {
  48                 x.hidden = 3;
  49         }, "Not writable is not writable");
  50
  51         x = {};
  52         t(x, o1);
  53         delete x.visible;
  54         a.ok(!x.hasOwnProperty('visible'), "Configurable is configurable");
  55
  56         x = {};
  57         t(x, o1);
  58         a.throws(function () {
  59                 delete x.hidden;
  60         }, "Not configurable is not configurable");
  61
  62         x = Object.defineProperty({}, 'foo',
  63                 { configurable: false, writable: true, enumerable: false, value: 'bar' });
  64
  65         try { t(x, { foo: 'lorem' }); } catch (ignore) {}
  66         a(x.foo, 'bar', "Writable, not enumerable");
  67 };