From 74ae357e0fed20ef23d0b3259f92ac9710684cfa Mon Sep 17 00:00:00 2001
From: Garry Tan <garrytan@gmail.com>
Date: Sat, 29 Aug 2026 05:12:28 +0000
Subject: [PATCH] =?UTF-8?q?fix(test):=20runBin=20trim=20assertion=20?=
 =?UTF-8?q?=E2=80=94=20trim=20shapes=20stream=20ends,=20not=20interior?=
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
---
 test/helpers/run-bin.test.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/helpers/run-bin.test.ts b/test/helpers/run-bin.test.ts
index 9f8e79486..3def9a1d5 100644
--- a/test/helpers/run-bin.test.ts
+++ b/test/helpers/run-bin.test.ts
@@ -27,7 +27,8 @@ describe('runBin', () => {
       input: 'piped|',
       trim: true,
     });
-    expect(r.stdout).toBe('piped|padded');
+    // trim shapes the ENDS of the whole stream; interior whitespace stays.
+    expect(r.stdout).toBe('piped|  padded');
     expect(r.stderr).toBe('noLANG');
   });