1 files changed, 49 insertions, 0 deletions
diff --git a/tests/node_compat/test/internet/test-dns-promises-resolve.js b/tests/node_compat/test/internet/test-dns-promises-resolve.js
new file mode 100644
index 000000000..e4ee5f782
--- /dev/null
+++ b/tests/node_compat/test/internet/test-dns-promises-resolve.js
@@ -0,0 +1,49 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+
+const dnsPromises = require('dns').promises;
+
+// Error when rrtype is invalid.
+{
+  const rrtype = 'DUMMY';
+  assert.throws(
+    () => dnsPromises.resolve('example.org', rrtype),
+    {
+      code: 'ERR_INVALID_ARG_VALUE',
+      name: 'TypeError',
+      message: `The argument 'rrtype' is invalid. Received '${rrtype}'`,
+    },
+  );
+}
+
+// Error when rrtype is a number.
+{
+  const rrtype = 0;
+  assert.throws(
+    () => dnsPromises.resolve('example.org', rrtype),
+    {
+      code: 'ERR_INVALID_ARG_TYPE',
+      name: 'TypeError',
+      message: 'The "rrtype" argument must be of type string. ' +
+               `Received type ${typeof rrtype} (${rrtype})`,
+    },
+  );
+}
+
+// Setting rrtype to undefined should work like resolve4.
+{
+  (async function() {
+    const rrtype = undefined;
+    const result = await dnsPromises.resolve('example.org', rrtype);
+    assert.ok(result !== undefined);
+    assert.ok(result.length > 0);
+  })().then(common.mustCall());
+}