test: check arg type for dnsPromises.resolve

PR-URL: #22000 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

Author: Masashi Hirano

test/parallel/test-dns.js

@@ -135,14 +135,31 @@ assert.deepStrictEqual(dns.getServers(), portsExpected);
 dns.setServers([]);
 assert.deepStrictEqual(dns.getServers(),[]);
 
-common.expectsError(()=>{
-dns.resolve('example.com',[],common.mustNotCall());
-},{
-code: 'ERR_INVALID_ARG_TYPE',
-type: TypeError,
-message: 'The "rrtype" argument must be of type string. '+
-'Received type object'
-});
+{
+consterrObj={
+code: 'ERR_INVALID_ARG_TYPE',
+type: TypeError,
+message: 'The "rrtype" argument must be of type string. '+
+'Received type object'
+};
+common.expectsError(()=>{
+dns.resolve('example.com',[],common.mustNotCall());
+},errObj);
+common.expectsError(()=>{
+dnsPromises.resolve('example.com',[]);
+},errObj);
+}
+{
+consterrObj={
+code: 'ERR_INVALID_ARG_TYPE',
+type: TypeError,
+message: 'The "name" argument must be of type string. '+
+'Received type undefined'
+};
+common.expectsError(()=>{
+dnsPromises.resolve();
+},errObj);
+}
 
 // dns.lookup should accept only falsey and string values
 {