From 1f87ccf0ae8f7ef422fc93415e507066ba5e2273 Mon Sep 17 00:00:00 2001
From: Katharine Hyatt <kslimes@gmail.com>
Date: Sat, 19 Oct 2024 15:03:32 -0400
Subject: [PATCH] Test for showing AnnotatedIOBuffer

---
 test/strings/annotated.jl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/strings/annotated.jl b/test/strings/annotated.jl
index 85acab74abf7b..9418ff26ef43a 100644
--- a/test/strings/annotated.jl
+++ b/test/strings/annotated.jl
@@ -244,4 +244,8 @@ end
     @test write(wrapio, Base.AnnotatedChar('a', [(:y, 2)])) == 1
     @test read(seekstart(aio), Base.AnnotatedString) ==
         Base.AnnotatedString("heya", [(1:3, :x, 1), (4:4, :y, 2)])
+    # show-ing an AnnotatedIOBuffer
+    aio = Base.AnnotatedIOBuffer()
+    write(aio, Base.AnnotatedString("hello", [(1:5, :tag, 1)]))
+    @test sprint(show, aio) == "Base.AnnotatedIOBuffer(5 bytes, 1 annotation)"
 end