style(reader): format diagnostic handling changes

Co-authored-by: baywet <7905502+baywet@users.noreply.github.com>

Author: Copilot

src/Microsoft.OpenApi.YamlReader/OpenApiYamlReader.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
 using System;

src/Microsoft.OpenApi/Interfaces/IOpenApiReader.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license. 
 
 using System;

src/Microsoft.OpenApi/Models/OpenApiDocument.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
 using System;

src/Microsoft.OpenApi/Reader/OpenApiJsonReader.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
 using System;

src/Microsoft.OpenApi/Reader/OpenApiModelFactory.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Microsoft Corporation. All rights reserved.
+// Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
 using System;

test/Microsoft.OpenApi.Tests/Reader/OpenApiModelFactoryTests.cs

@@ -1,10 +1,10 @@
-using Xunit;
-using Microsoft.OpenApi.Reader;
-using System.Threading.Tasks;
+using System;
 using System.IO;
-using System;
 using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.OpenApi.Reader;
 using Microsoft.OpenApi.YamlReader;
+using Xunit;
 
 namespace Microsoft.OpenApi.Tests.Reader;
 
@@ -232,7 +232,7 @@ await File.WriteAllTextAsync(tempFilePathReferrer,
         var baseUri = new Uri(tempFilePathReferrer);
         var settings = new OpenApiReaderSettings
         {
-            BaseUrl = baseUri, 
+            BaseUrl = baseUri,
         };
         var readResult = await OpenApiDocument.LoadAsync(stream, settings: settings, cancellationToken: TestContext.Current.CancellationToken);
         Assert.Equal(OpenApiConstants.Json, readResult.Diagnostic.Format);
@@ -265,10 +265,10 @@ public async Task CanLoadANonSeekableStreamInJsonAndDetectFormat()
         // Given
         using var memoryStream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(documentJson));
         using var nonSeekableStream = new NonSeekableStream(memoryStream);
-    
+
         // When
         var (document, _) = await OpenApiDocument.LoadAsync(nonSeekableStream, cancellationToken: TestContext.Current.CancellationToken);
-    
+
         // Then
         Assert.NotNull(document);
         Assert.Equal("Sample API", document.Info.Title);
@@ -282,10 +282,10 @@ public async Task CanLoadANonSeekableStreamInYamlAndDetectFormat()
         using var nonSeekableStream = new NonSeekableStream(memoryStream);
         var settings = new OpenApiReaderSettings();
         settings.AddYamlReader();
-    
+
         // When
         var (document, _) = await OpenApiDocument.LoadAsync(nonSeekableStream, settings: settings, cancellationToken: TestContext.Current.CancellationToken);
-    
+
         // Then
         Assert.NotNull(document);
         Assert.Equal("Sample API", document.Info.Title);
@@ -297,10 +297,10 @@ public async Task CanLoadAnAsyncOnlyStreamInJsonAndDetectFormat()
         // Given
         await using var memoryStream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(documentJson));
         await using var nonSeekableStream = new AsyncOnlyStream(memoryStream);
-    
+
         // When
         var (document, _) = await OpenApiDocument.LoadAsync(nonSeekableStream, cancellationToken: TestContext.Current.CancellationToken);
-    
+
         // Then
         Assert.NotNull(document);
         Assert.Equal("Sample API", document.Info.Title);
@@ -314,10 +314,10 @@ public async Task CanLoadAnAsyncOnlyStreamInYamlAndDetectFormat()
         await using var nonSeekableStream = new AsyncOnlyStream(memoryStream);
         var settings = new OpenApiReaderSettings();
         settings.AddYamlReader();
-    
+
         // When
         var (document, _) = await OpenApiDocument.LoadAsync(nonSeekableStream, settings: settings, cancellationToken: TestContext.Current.CancellationToken);
-    
+
         // Then
         Assert.NotNull(document);
         Assert.Equal("Sample API", document.Info.Title);
@@ -329,10 +329,10 @@ public async Task CanLoadANonSeekableStreamInJsonAndDetectFormatWhenPrecededBySp
         // Given
         using var memoryStream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes("     " + documentJson));
         using var nonSeekableStream = new NonSeekableStream(memoryStream);
-    
+
         // When
         var (document, _) = await OpenApiDocument.LoadAsync(nonSeekableStream, cancellationToken: TestContext.Current.CancellationToken);
-    
+
         // Then
         Assert.NotNull(document);
         Assert.Equal("Sample API", document.Info.Title);
@@ -343,7 +343,7 @@ public void CanLoadAStringJsonAndDetectFormatWhenPrecededBySpaces()
     {
         // When
         var (document, _) = OpenApiDocument.Parse("     " + documentJson);
-    
+
         // Then
         Assert.NotNull(document);
         Assert.Equal("Sample API", document.Info.Title);