diff options
Diffstat (limited to 'src/mscorlib/src/System/IO/StreamHelpers.CopyValidation.cs')
-rw-r--r-- | src/mscorlib/src/System/IO/StreamHelpers.CopyValidation.cs | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/src/mscorlib/src/System/IO/StreamHelpers.CopyValidation.cs b/src/mscorlib/src/System/IO/StreamHelpers.CopyValidation.cs deleted file mode 100644 index 8ff0e045ca..0000000000 --- a/src/mscorlib/src/System/IO/StreamHelpers.CopyValidation.cs +++ /dev/null @@ -1,46 +0,0 @@ -// Licensed to the .NET Foundation under one or more agreements. -// The .NET Foundation licenses this file to you under the MIT license. -// See the LICENSE file in the project root for more information. - -namespace System.IO -{ - /// <summary>Provides methods to help in the implementation of Stream-derived types.</summary> - internal static partial class StreamHelpers - { - /// <summary>Validate the arguments to CopyTo, as would Stream.CopyTo.</summary> - public static void ValidateCopyToArgs(Stream source, Stream destination, int bufferSize) - { - if (destination == null) - { - throw new ArgumentNullException(nameof(destination)); - } - - if (bufferSize <= 0) - { - throw new ArgumentOutOfRangeException(nameof(bufferSize), bufferSize, Environment.GetResourceString("ArgumentOutOfRange_NeedPosNum")); - } - - bool sourceCanRead = source.CanRead; - if (!sourceCanRead && !source.CanWrite) - { - throw new ObjectDisposedException(null, Environment.GetResourceString("ObjectDisposed_StreamClosed")); - } - - bool destinationCanWrite = destination.CanWrite; - if (!destinationCanWrite && !destination.CanRead) - { - throw new ObjectDisposedException(nameof(destination), Environment.GetResourceString("ObjectDisposed_StreamClosed")); - } - - if (!sourceCanRead) - { - throw new NotSupportedException(Environment.GetResourceString("NotSupported_UnreadableStream")); - } - - if (!destinationCanWrite) - { - throw new NotSupportedException(Environment.GetResourceString("NotSupported_UnwritableStream")); - } - } - } -} |