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1'use strict';
2const common = require('../common');
3const assert = require('assert');
4
5const { Resolver } = require('dns');
6
7const resolver = new Resolver();
8assert(resolver.getServers().length > 0);
9// return undefined
10resolver._handle.getServers = common.mustCall();
11assert.strictEqual(resolver.getServers().length, 0);
12