fix: serve handler error with 0 arguments (#23652)

Fixes https://github.com/denoland/deno/issues/23651

Co-authored-by: Satya Rohith <me@satyarohith.com>

2 files changed, 10 insertions, 0 deletions

diff --git a/tests/testdata/serve/no_args.ts b/tests/testdata/serve/no_args.ts
new file mode 100644
index 000000000..891ddea67
--- /dev/null
+++ b/tests/testdata/serve/no_args.ts
@@ -0,0 +1,5 @@
+export default {
+  fetch() {
+    return new Response("deno serve with no args in fetch() works!");
+  },
+};
diff --git a/tests/testdata/serve/port_0.ts b/tests/testdata/serve/port_0.ts
new file mode 100644
index 000000000..cdd8476eb
--- /dev/null
+++ b/tests/testdata/serve/port_0.ts
@@ -0,0 +1,5 @@
+export default {
+  fetch(_req: Request) {
+    return new Response("deno serve --port 0 works!");
+  },
+};