From 9169b40e26b5ef099bac967128473178ccceb1ac Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 14 Jan 2026 01:42:17 +0000
Subject: [PATCH 1/2] Initial plan
From a93f79270783492e17339def5b9e7b7c5d06ae1c Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 14 Jan 2026 02:11:47 +0000
Subject: [PATCH 2/2] Update Microsoft.Extensions.AI.* to 10.2.0 and fix
timestamp behavior tests
Co-authored-by: stephentoub <2642209+stephentoub@users.noreply.github.com>
---
dotnet/Directory.Packages.props | 18 ++++++++---------
.../AgentRunResponseUpdateExtensionsTests.cs | 20 +++++++++----------
2 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/dotnet/Directory.Packages.props b/dotnet/Directory.Packages.props
index 5ee419114b..3536f44ff7 100644
--- a/dotnet/Directory.Packages.props
+++ b/dotnet/Directory.Packages.props
@@ -33,18 +33,18 @@
-
+
-
+
-
-
+
+
@@ -61,9 +61,9 @@
-
-
-
+
+
+
@@ -71,11 +71,11 @@
-
+
-
+
diff --git a/dotnet/tests/Microsoft.Agents.AI.Abstractions.UnitTests/AgentRunResponseUpdateExtensionsTests.cs b/dotnet/tests/Microsoft.Agents.AI.Abstractions.UnitTests/AgentRunResponseUpdateExtensionsTests.cs
index a653cf80f5..c75aceaf4b 100644
--- a/dotnet/tests/Microsoft.Agents.AI.Abstractions.UnitTests/AgentRunResponseUpdateExtensionsTests.cs
+++ b/dotnet/tests/Microsoft.Agents.AI.Abstractions.UnitTests/AgentRunResponseUpdateExtensionsTests.cs
@@ -42,9 +42,9 @@ public async Task ToAgentRunResponseSuccessfullyCreatesResponseAsync(bool useAsy
{
AgentRunResponseUpdate[] updates =
[
- new(ChatRole.Assistant, "Hello") { ResponseId = "someResponse", MessageId = "12345", CreatedAt = new DateTimeOffset(1, 2, 3, 4, 5, 6, TimeSpan.Zero), AgentId = "agentId" },
+ new(ChatRole.Assistant, "Hello") { ResponseId = "someResponse", MessageId = "12345", CreatedAt = new DateTimeOffset(2024, 2, 3, 4, 5, 6, TimeSpan.Zero), AgentId = "agentId" },
new(new("human"), ", ") { AuthorName = "Someone", AdditionalProperties = new() { ["a"] = "b" } },
- new(null, "world!") { CreatedAt = new DateTimeOffset(2, 2, 3, 4, 5, 6, TimeSpan.Zero), AdditionalProperties = new() { ["c"] = "d" } },
+ new(null, "world!") { CreatedAt = new DateTimeOffset(2025, 2, 3, 4, 5, 6, TimeSpan.Zero), AdditionalProperties = new() { ["c"] = "d" } },
new() { Contents = [new UsageContent(new() { InputTokenCount = 1, OutputTokenCount = 2 })] },
new() { Contents = [new UsageContent(new() { InputTokenCount = 4, OutputTokenCount = 5 })] },
@@ -62,7 +62,7 @@ public async Task ToAgentRunResponseSuccessfullyCreatesResponseAsync(bool useAsy
Assert.Equal(7, response.Usage.OutputTokenCount);
Assert.Equal("someResponse", response.ResponseId);
- Assert.Equal(new DateTimeOffset(2, 2, 3, 4, 5, 6, TimeSpan.Zero), response.CreatedAt);
+ Assert.Equal(new DateTimeOffset(2024, 2, 3, 4, 5, 6, TimeSpan.Zero), response.CreatedAt);
Assert.Equal(2, response.Messages.Count);
@@ -226,13 +226,13 @@ public async Task ToAgentRunResponse_AlternativeTimestampsAsync(bool useAsync)
// Unix epoch (as "null") should not overwrite
new(null, "b") { CreatedAt = unixEpoch },
- // Newer timestamp should overwrite
+ // Newer timestamp should not overwrite (first timestamp wins)
new(null, "c") { CreatedAt = middle },
// Older timestamp should not overwrite
new(null, "d") { CreatedAt = early },
- // Even newer timestamp should overwrite
+ // Even newer timestamp should not overwrite (first timestamp wins)
new(null, "e") { CreatedAt = late },
// Unix epoch should not overwrite again
@@ -249,20 +249,20 @@ public async Task ToAgentRunResponse_AlternativeTimestampsAsync(bool useAsync)
Assert.Equal("abcdefg", response.Messages[0].Text);
Assert.Equal(ChatRole.Tool, response.Messages[0].Role);
- Assert.Equal(late, response.Messages[0].CreatedAt);
- Assert.Equal(late, response.CreatedAt);
+ Assert.Equal(early, response.Messages[0].CreatedAt);
+ Assert.Equal(early, response.CreatedAt);
}
public static IEnumerable ToAgentRunResponse_TimestampFolding_MemberData()
{
- // Base test cases
+ // Base test cases - first non-null valid timestamp wins
var testCases = new (string? timestamp1, string? timestamp2, string? expectedTimestamp)[]
{
(null, null, null),
("2024-01-01T10:00:00Z", null, "2024-01-01T10:00:00Z"),
(null, "2024-01-01T10:00:00Z", "2024-01-01T10:00:00Z"),
- ("2024-01-01T10:00:00Z", "2024-01-01T11:00:00Z", "2024-01-01T11:00:00Z"),
- ("2024-01-01T11:00:00Z", "2024-01-01T10:00:00Z", "2024-01-01T11:00:00Z"),
+ ("2024-01-01T10:00:00Z", "2024-01-01T11:00:00Z", "2024-01-01T10:00:00Z"), // First timestamp wins
+ ("2024-01-01T11:00:00Z", "2024-01-01T10:00:00Z", "2024-01-01T11:00:00Z"), // First timestamp wins
("2024-01-01T10:00:00Z", "1970-01-01T00:00:00Z", "2024-01-01T10:00:00Z"),
("1970-01-01T00:00:00Z", "2024-01-01T10:00:00Z", "2024-01-01T10:00:00Z"),
};