main
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Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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Property mode
set to
100644
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File size:
477 bytes
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| [d565449] | 1 | 'use strict';
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| 2 |
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| 3 | var test = require('tape');
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| 4 | var hasProto = require('../');
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| 5 |
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| 6 | test('hasProto', function (t) {
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| 7 | var result = hasProto();
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| 8 | t.equal(typeof result, 'boolean', 'returns a boolean (' + result + ')');
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| 9 |
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| 10 | var obj = { __proto__: null };
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| 11 | if (result) {
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| 12 | t.notOk('toString' in obj, 'null object lacks toString');
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| 13 | } else {
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| 14 | t.ok('toString' in obj, 'without proto, null object has toString');
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| 15 | t.equal(obj.__proto__, null); // eslint-disable-line no-proto
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| 16 | }
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| 17 |
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| 18 | t.end();
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| 19 | });
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