test: add missing test coverage for setLocalAddress()

Add missing coverage for setLocalAddress() method of dns.Resolver class. The case where a valid IPv4 argument was supplied along with an invalid IPv6 argument was not being checked. Refs: https://coverage.nodejs.org/coverage-85b42af4398073f8/lib/internal/dns/utils.js.html#L124 PR-URL: #36039 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Michael Dawson <[email protected]>
nodejs · Nov 14, 2020 · df21120 · df21120
1 parent b1f5518
commit df21120
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/test/parallel/test-dns-setlocaladdress.js b/test/parallel/test-dns-setlocaladdress.js
@@ -27,7 +27,10 @@ const promiseResolver = new dns.promises.Resolver();
   }, Error);
   assert.throws(() => {
     resolver.setLocalAddress(123);
-  }, Error);
+  }, { code: 'ERR_INVALID_ARG_TYPE' });
+  assert.throws(() => {
+    resolver.setLocalAddress('127.0.0.1', 42);
+  }, { code: 'ERR_INVALID_ARG_TYPE' });
   assert.throws(() => {
     resolver.setLocalAddress();
   }, Error);