test

dotnet/tests/Microsoft.Agents.AI.A2A.UnitTests/A2AAgentThreadTests.cs

@@ -0,0 +1,30 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System.Text.Json;
+
+namespace Microsoft.Agents.AI.A2A.UnitTests;
+
+/// <summary>
+/// Unit tests for the <see cref="A2AAgentThread"/> class.
+/// </summary>
+public sealed class A2AAgentThreadTests
+{
+    [Fact]
+    public void Constructor_RoundTrip_SerializationPreservesState()
+    {
+        // Arrange
+        const string ContextId = "context-rt-001";
+        const string TaskId = "task-rt-002";
+
+        A2AAgentThread originalThread = new() { ContextId = ContextId, TaskId = TaskId };
+
+        // Act
+        JsonElement serialized = originalThread.Serialize();
+
+        A2AAgentThread deserializedThread = new(serialized);
+
+        // Assert
+        Assert.Equal(originalThread.ContextId, deserializedThread.ContextId);
+        Assert.Equal(originalThread.TaskId, deserializedThread.TaskId);
+    }
+}