test(ext/node): add querystring_test.ts and readline_test.ts (#18256)

1 files changed, 14 insertions, 0 deletions

diff --git a/cli/tests/unit_node/readline_test.ts b/cli/tests/unit_node/readline_test.ts
new file mode 100644
index 000000000..bef9008dd
--- /dev/null
+++ b/cli/tests/unit_node/readline_test.ts
@@ -0,0 +1,14 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+import { createInterface, Interface } from "node:readline";
+import { assertInstanceOf } from "../../../test_util/std/testing/asserts.ts";
+import { Readable, Writable } from "node:stream";
+
+Deno.test("[node/readline] createInstance", () => {
+  const rl = createInterface({
+    input: new Readable({ read() {} }),
+    output: new Writable(),
+  });
+
+  // deno-lint-ignore no-explicit-any
+  assertInstanceOf(rl, Interface as any);
+});