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Use ReadOnlyMemory<byte> for binary data to eliminate UTF-16 transcoding (#1070)

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: stephentoub <2642209+stephentoub@users.noreply.github.com>
Co-authored-by: ericstj <8918108+ericstj@users.noreply.github.com>
Co-authored-by: Eric StJohn <ericstj@microsoft.com>
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Copilot 2026-02-19 14:08:05 -08:00 • committed by GitHub
commit 80b1ad21d7
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1 changed files with 400 additions and 103 deletions
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4
tests/ModelContextProtocol.Tests/Protocol/ContentBlockTests.cs
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@ -183,7 +183,7 @@ public class ContentBlockTests
Content =
[
new TextContentBlock { Text = "Result data" },
new ImageContentBlock { Data = "base64data", MimeType = "image/png" }
new ImageContentBlock { Data = System.Text.Encoding.UTF8.GetBytes("base64data"), MimeType = "image/png" }
],
StructuredContent = JsonElement.Parse("""{"temperature":18,"condition":"cloudy"}"""),
IsError = false
@ -198,7 +198,7 @@ public class ContentBlockTests
var textBlock = Assert.IsType<TextContentBlock>(result.Content[0]);
Assert.Equal("Result data", textBlock.Text);
var imageBlock = Assert.IsType<ImageContentBlock>(result.Content[1]);
Assert.Equal("base64data", imageBlock.Data);
Assert.Equal("base64data", System.Text.Encoding.UTF8.GetString(imageBlock.Data.ToArray()));
Assert.Equal("image/png", imageBlock.MimeType);
Assert.NotNull(result.StructuredContent);
Assert.Equal(18, result.StructuredContent.Value.GetProperty("temperature").GetInt32());