From 612b7dfcc76278f7823b2ea09540922955ac8bf5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Fri, 10 Nov 2023 06:59:39 +0100
Subject: fix(node/child_process): properly normalize stdio for 'spawnSync'
 (#21103)

Closes https://github.com/denoland/deno/issues/20782
---
 cli/tests/unit_node/child_process_test.ts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'cli/tests/unit_node')

diff --git a/cli/tests/unit_node/child_process_test.ts b/cli/tests/unit_node/child_process_test.ts
index 8d1c9a6b7..47e87096e 100644
--- a/cli/tests/unit_node/child_process_test.ts
+++ b/cli/tests/unit_node/child_process_test.ts
@@ -707,3 +707,17 @@ Deno.test(function spawnSyncUndefinedValueInEnvVar() {
   assertEquals(ret.status, 0);
   assertEquals(ret.stdout.toString("utf-8").trim(), "BAZ");
 });
+
+Deno.test(function spawnSyncStdioUndefined() {
+  const ret = spawnSync(
+    `"${Deno.execPath()}" eval "console.log('hello');console.error('world')"`,
+    {
+      stdio: [undefined, undefined, undefined],
+      shell: true,
+    },
+  );
+
+  assertEquals(ret.status, 0);
+  assertEquals(ret.stdout.toString("utf-8").trim(), "hello");
+  assertEquals(ret.stderr.toString("utf-8").trim(), "world");
+});
-- 
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