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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
namespace System.Windows.Forms.Tests;
// NB: doesn't require thread affinity
public class DataStreamFromComStreamTests
{
[Theory,
InlineData(0, 0, 1),
InlineData(1, 1, 1)]
public unsafe void Write_ThrowsInvalidCount(int bufferSize, int index, int count)
{
using MemoryStream memoryStream = new();
using var stream = memoryStream.ToIStream();
using DataStreamFromComStream dataStream = new(stream);
Assert.Throws<IOException>(() => dataStream.Write(new byte[bufferSize], index, count));
}
[Theory,
InlineData(0, 0, 0),
InlineData(0, 0, -1),
InlineData(1, 1, 0),
InlineData(1, 1, -1)]
public unsafe void Write_DoesNotThrowCountZeroOrLess(int bufferSize, int index, int count)
{
using MemoryStream memoryStream = new();
using var stream = memoryStream.ToIStream();
using DataStreamFromComStream dataStream = new(stream);
dataStream.Write(new byte[bufferSize], index, count);
}
}
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