source: imaps-frontend/node_modules/has-proto/test/index.js

'use strict';

var test = require('tape');
var hasProto = require('../');

test('hasProto', function (t) {
        var result = hasProto();
        t.equal(typeof result, 'boolean', 'returns a boolean (' + result + ')');

        var obj = { __proto__: null };
        if (result) {
                t.notOk('toString' in obj, 'null object lacks toString');
        } else {
                t.ok('toString' in obj, 'without proto, null object has toString');
                t.equal(obj.__proto__, null); // eslint-disable-line no-proto
        }

        t.end();
});