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Code Issues 975 Packages Projects Releases 25 Wiki Activity

DataDescriptor should always be non-seekable

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Adam Hathcock
2026-07-25 17:08:50 +01:00
parent ba221b27af
commit fe75f28ac9
3 changed files with 66 additions and 1 deletions
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19
tests/SharpCompress.Test/Streams/SharpCompressStreamFactoryTest.cs
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@@ -138,6 +138,25 @@ public class SharpCompressStreamFactoryTest
Assert.Same(wrappedStream, result.BaseStream());
}
[Fact]
public void Create_WithDataDescriptorStream_UsesBufferedWrapper()
{
using var ms = new MemoryStream(new byte[] { 1, 2, 3, 4, 5 });
using var sharpStream = SharpCompressStream.CreateNonDisposing(ms);
using var dataDescriptorStream = new DataDescriptorStream(sharpStream);
using var result = SharpCompressStream.Create(dataDescriptorStream, 128);
Assert.False(dataDescriptorStream.CanSeek);
Assert.IsType<SharpCompressStream>(result);
Assert.Same(dataDescriptorStream, result.BaseStream());
result.StartRecording();
Assert.Equal(1, result.ReadByte());
Assert.Equal(2, result.ReadByte());
result.Rewind();
Assert.Equal(1, result.ReadByte());
}
[Fact]
public void Create_WithNonSeekablePassthroughStream_CreatesBufferedWrapper()
{