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26 lines
696 B
26 lines
696 B
'use strict'; |
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var test = require('tape'); |
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var inspect = require('object-inspect'); |
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var forEach = require('for-each'); |
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var isWeakRef = require('..'); |
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test('isWeakRef', function (t) { |
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t.equal(typeof isWeakRef, 'function', 'is a function'); |
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var nonWeakRefs = [undefined, null, true, false, 42, 0, Infinity, NaN, /a/g, function () {}, {}, []]; |
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forEach(nonWeakRefs, function (nonWeakRef) { |
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t.equal(isWeakRef(nonWeakRef), false, inspect(nonWeakRef) + ' is not a WeakRef'); |
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}); |
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t.test('actual WeakRefs', { skip: typeof WeakRef === 'undefined' }, function (st) { |
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var ref = new WeakRef({}); |
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st.equal(isWeakRef(ref), true, inspect(ref) + ' is a WeakRef'); |
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st.end(); |
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}); |
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t.end(); |
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});
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