From 16c004d7b078da6f47db414e062019b24555d39f Mon Sep 17 00:00:00 2001
From: Marco Rossignoli <marco.rossignoli@gmail.com>
Date: Thu, 22 Dec 2022 19:16:28 +0100
Subject: [PATCH] handle object disposed exception (#4221)

Co-authored-by: Marco Rossignoli <mrossignol@microsoft.com>
---
 .../LengthPrefixCommunicationChannel.cs            | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/Microsoft.TestPlatform.CommunicationUtilities/LengthPrefixCommunicationChannel.cs b/src/Microsoft.TestPlatform.CommunicationUtilities/LengthPrefixCommunicationChannel.cs
index b6ca3549e5..293a5a683b 100644
--- a/src/Microsoft.TestPlatform.CommunicationUtilities/LengthPrefixCommunicationChannel.cs
+++ b/src/Microsoft.TestPlatform.CommunicationUtilities/LengthPrefixCommunicationChannel.cs
@@ -111,9 +111,17 @@ public Task NotifyDataAvailable()
     /// <inheritdoc />
     public void Dispose()
     {
-        EqtTrace.Verbose("LengthPrefixCommunicationChannel.Dispose: Dispose reader and writer.");
-        _reader.Dispose();
-        _writer.Dispose();
+        try
+        {
+            EqtTrace.Verbose("LengthPrefixCommunicationChannel.Dispose: Dispose reader and writer.");
+            _reader.Dispose();
+            _writer.Dispose();
+        }
+        catch (ObjectDisposedException)
+        {
+            // We don't own the underlying stream lifecycle so it's possible that it's already disposed.
+        }
+
         GC.SuppressFinalize(this);
     }
 }