From 301f6c46ba4491e9aec76037ae9d01365693b0e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Sun, 21 Aug 2022 21:15:52 +0200
Subject: fix(unstable): better error for invalid hostname in Deno.serve()
 (#15529)

---
 cli/tests/unit/flash_test.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'cli/tests')

diff --git a/cli/tests/unit/flash_test.ts b/cli/tests/unit/flash_test.ts
index 4df225cbd..fdad1e3ae 100644
--- a/cli/tests/unit/flash_test.ts
+++ b/cli/tests/unit/flash_test.ts
@@ -36,6 +36,18 @@ function onListen<T>(
   };
 }
 
+Deno.test(async function httpServerInvalidHostname() {
+  assertThrows(
+    () =>
+      Deno.serve({
+        fetch: (_req) => new Response("ok"),
+        hostname: "localhost",
+      }),
+    TypeError,
+    "hostname could not be parsed as an IP address",
+  );
+});
+
 Deno.test({ permissions: { net: true } }, async function httpServerBasic() {
   const ac = new AbortController();
   const promise = deferred();
-- 
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