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