124 lines
2.2 KiB
C#
124 lines
2.2 KiB
C#
//
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// Stream Test Helper Classes
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//
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// Author:
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// Copyright (C) 2004 Novell (http://www.novell.com)
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//
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using System;
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using System.IO;
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namespace MonoTests.System.IO {
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public class TestHelperStream : Stream {
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private bool _read;
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private bool _write;
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private bool _seek;
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private long _pos;
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private long _length;
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public TestHelperStream (bool read, bool write, bool seek)
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{
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_read = read;
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_write = write;
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_seek = seek;
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}
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public override bool CanRead {
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get { return _read; }
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}
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public override bool CanSeek {
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get { return _seek; }
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}
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public override bool CanWrite {
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get { return _write; }
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}
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public override long Length {
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get { return _length; }
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}
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public override long Position
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{
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get {
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if (!_seek)
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throw new NotSupportedException ("Not seekable");
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return _pos;
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}
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set {
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if (!_seek)
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throw new NotSupportedException ("Not seekable");
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_pos = value;
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}
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}
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public override void Flush ()
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{
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}
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public override int Read (byte[] buffer, int offset, int count)
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{
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if (!_read)
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throw new NotSupportedException ("Not readable");
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return count;
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}
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public override int ReadByte ()
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{
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return -1;
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}
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public override long Seek (long offset, SeekOrigin origin)
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{
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if (!_seek)
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throw new NotSupportedException ("Not seekable");
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return offset;
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}
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public override void SetLength (long value)
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{
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if (!_write)
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throw new NotSupportedException ("Not writeable");
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_length = value;
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}
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public override void Write (byte[] buffer, int offset, int count)
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{
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if (!_write)
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throw new NotSupportedException ("Not writeable");
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}
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public override void WriteByte (byte value)
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{
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if (!_write)
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throw new NotSupportedException ("Not writeable");
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}
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}
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public class ReadOnlyStream : TestHelperStream {
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public ReadOnlyStream () : base (true, false, true)
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{
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}
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}
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public class WriteOnlyStream : TestHelperStream {
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public WriteOnlyStream () : base (false, true, true)
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{
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}
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}
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public class NonSeekableStream : TestHelperStream {
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public NonSeekableStream () : base (true, true, false)
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{
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}
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}
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}
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