Ensure proper stream disposal in write operations

rameel · rameel · commit ae66d5c724aa · 2026-03-21T23:53:00.000+05:00
diff --git a/src/Ramstack.FileSystem.Abstractions/VirtualFileExtensions.cs b/src/Ramstack.FileSystem.Abstractions/VirtualFileExtensions.cs
@@ -301,7 +301,7 @@ public static ValueTask WriteAllTextAsync(this VirtualFile file, ReadOnlyMemory<
     /// </returns>
     public static async ValueTask WriteAllTextAsync(this VirtualFile file, ReadOnlyMemory<char> contents, Encoding? encoding, CancellationToken cancellationToken = default)
     {
-        var stream = await file.OpenWriteAsync(cancellationToken).ConfigureAwait(false);
+        await using var stream = await file.OpenWriteAsync(cancellationToken).ConfigureAwait(false);
         await using var writer = new StreamWriter(stream, encoding!);
         await writer.WriteAsync(contents, cancellationToken).ConfigureAwait(false);
     }
@@ -330,7 +330,7 @@ public static ValueTask WriteAllLinesAsync(this VirtualFile file, IEnumerable<st
     /// </returns>
     public static async ValueTask WriteAllLinesAsync(this VirtualFile file, IEnumerable<string> contents, Encoding? encoding, CancellationToken cancellationToken = default)
     {
-        var stream = await file.OpenWriteAsync(cancellationToken).ConfigureAwait(false);
+        await using var stream = await file.OpenWriteAsync(cancellationToken).ConfigureAwait(false);
         await using var writer = new StreamWriter(stream, encoding, bufferSize: -1, leaveOpen: false);
 
         foreach (var line in contents)

Original file line number	Diff line number	Diff line change
`@@ -301,7 +301,7 @@ public static ValueTask WriteAllTextAsync(this VirtualFile file, ReadOnlyMemory<`
`301`	`301`	`/// </returns>`
`302`	`302`	`public static async ValueTask WriteAllTextAsync(this VirtualFile file, ReadOnlyMemory<char> contents, Encoding? encoding, CancellationToken cancellationToken = default)`
`303`	`303`	`{`
`304`		`- var stream = await file.OpenWriteAsync(cancellationToken).ConfigureAwait(false);`
	`304`	`+ await using var stream = await file.OpenWriteAsync(cancellationToken).ConfigureAwait(false);`
`305`	`305`	`await using var writer = new StreamWriter(stream, encoding!);`
`306`	`306`	`await writer.WriteAsync(contents, cancellationToken).ConfigureAwait(false);`
`307`	`307`	`}`
`@@ -330,7 +330,7 @@ public static ValueTask WriteAllLinesAsync(this VirtualFile file, IEnumerable<st`
`330`	`330`	`/// </returns>`
`331`	`331`	`public static async ValueTask WriteAllLinesAsync(this VirtualFile file, IEnumerable<string> contents, Encoding? encoding, CancellationToken cancellationToken = default)`
`332`	`332`	`{`
`333`		`- var stream = await file.OpenWriteAsync(cancellationToken).ConfigureAwait(false);`
	`333`	`+ await using var stream = await file.OpenWriteAsync(cancellationToken).ConfigureAwait(false);`
`334`	`334`	`await using var writer = new StreamWriter(stream, encoding, bufferSize: -1, leaveOpen: false);`
`335`	`335`
`336`	`336`	`foreach (var line in contents)`