index.jsā¢696 B
'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();
});