chore: import upstream snapshot with attribution

dotnet/tests/Microsoft.Agents.AI.DurableTask.UnitTests/State/DurableAgentStateRequestTests.cs

@@ -0,0 +1,34 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System.Text.Json;
+using Microsoft.Agents.AI.DurableTask.State;
+
+namespace Microsoft.Agents.AI.DurableTask.Tests.Unit.State;
+
+public sealed class DurableAgentStateRequestTests
+{
+    [Fact]
+    public void RequestSerializationDeserialization()
+    {
+        // Arrange
+        RunRequest originalRequest = new("Hello, world!")
+        {
+            OrchestrationId = "orch-456"
+        };
+        DurableAgentStateRequest originalDurableRequest = DurableAgentStateRequest.FromRunRequest(originalRequest);
+
+        // Act
+        string jsonContent = JsonSerializer.Serialize(
+            originalDurableRequest,
+            DurableAgentStateJsonContext.Default.GetTypeInfo(typeof(DurableAgentStateRequest))!);
+
+        DurableAgentStateRequest? convertedJsonContent = (DurableAgentStateRequest?)JsonSerializer.Deserialize(
+            jsonContent,
+            DurableAgentStateJsonContext.Default.GetTypeInfo(typeof(DurableAgentStateRequest))!);
+
+        // Assert
+        Assert.NotNull(convertedJsonContent);
+        Assert.Equal(originalRequest.CorrelationId, convertedJsonContent.CorrelationId);
+        Assert.Equal(originalRequest.OrchestrationId, convertedJsonContent.OrchestrationId);
+    }
+}