1 files changed, 46 insertions, 0 deletions
diff --git a/src/libraries/Common/tests/TestUtilities/System/Buffers/BoundedMemory.Unix.cs b/src/libraries/Common/tests/TestUtilities/System/Buffers/BoundedMemory.Unix.cs
new file mode 100644
index 00000000000..11049e88ebf
--- /dev/null
+++ b/src/libraries/Common/tests/TestUtilities/System/Buffers/BoundedMemory.Unix.cs
@@ -0,0 +1,46 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+namespace System.Buffers
+{
+    public static partial class BoundedMemory
+    {
+        private static UnixImplementation<T> AllocateWithoutDataPopulationUnix<T>(int elementCount, PoisonPagePlacement placement) where T : unmanaged
+        {
+            // On non-Windows platforms, we don't yet have support for changing the permissions of individual pages.
+            return new UnixImplementation<T>(elementCount);
+        }
+
+        private sealed class UnixImplementation<T> : BoundedMemory<T> where T : unmanaged
+        {
+            private readonly T[] _buffer;
+
+            public UnixImplementation(int elementCount)
+            {
+                _buffer = new T[elementCount];
+            }
+
+            public override bool IsReadonly => false;
+
+            public override Memory<T> Memory => _buffer;
+
+            public override Span<T> Span => _buffer;
+
+            public override void Dispose()
+            {
+                // no-op
+            }
+
+            public override void MakeReadonly()
+            {
+                // no-op
+            }
+
+            public override void MakeWriteable()
+            {
+                // no-op
+            }
+        }
+    }
+}