public void CheckNullRead()
{
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
decompressing.Read(null, 0, 20);
}
public void CheckSetLengthProp()
{
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
decompressing.SetLength(20);
}
public void CheckCompressDecompress(CompressionAlgorithm algorithm)
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
byte [] data = new byte[100000];
for (int i = 0; i < 100000; i++)
{
data[i] = (byte)i;
}
MemoryStream dataStream = new MemoryStream(data);
MemoryStream backing = new MemoryStream();
DeflateStream compressing = new DeflateStream(backing, CompressionMode.Compress, algorithm, true);
CopyStream(dataStream, compressing);
dataStream.Close();
compressing.Close();
backing.Seek(0, SeekOrigin.Begin);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, algorithm);
MemoryStream output = new MemoryStream();
CopyStream(decompressing, output);
Assert.AreNotEqual(0, output.Length, "Length should be more than 0.");
Assert.IsTrue(compare_buffers(data, output.GetBuffer(), (int)output.Length), "Buffers are not equal.");
decompressing.Close();
output.Close();
}
[Test] // zlib specific test
public void Bug19313()
{
byte [] buffer = new byte [512];
using (var backing = new Bug19313Stream(compressed_data))
using (var decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib))
decompressing.Read(buffer, 0, buffer.Length);
}
public void CheckSeek()
{
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
decompressing.Seek(20, SeekOrigin.Current);
}
public void JunkAtTheEnd(CompressionAlgorithm algorithm)
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
// Write a deflated stream, then some additional data...
using (MemoryStream ms = new MemoryStream())
{
// The compressed stream
using (DeflateStream stream = new DeflateStream(ms, CompressionMode.Compress, algorithm, true))
{
stream.WriteByte(1);
stream.Flush();
}
// Junk
ms.WriteByte(2);
ms.Position = 0;
// Reading: this should not hang
using (DeflateStream stream = new DeflateStream(ms, CompressionMode.Decompress, algorithm))
{
byte[] buffer = new byte[512];
int len = stream.Read(buffer, 0, buffer.Length);
Console.WriteLine(len == 1);
}
}
}
public void CheckClosedFlush()
{
MemoryStream backing = new MemoryStream();
DeflateStream compressing = new DeflateStream(backing, CompressionMode.Compress, CompressionAlgorithm.Zlib);
compressing.Close();
compressing.Flush();
}
public void CheckRangeRead()
{
byte [] dummy = new byte[20];
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
decompressing.Read(dummy, 10, 20);
}
public void CheckCompressingRead()
{
byte [] dummy = new byte[20];
MemoryStream backing = new MemoryStream();
DeflateStream compressing = new DeflateStream(backing, CompressionMode.Compress, CompressionAlgorithm.Zlib);
compressing.Read(dummy, 0, 20);
}
public void DisposeTest()
{
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompress = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
decompress.Dispose();
decompress.Dispose();
}
public void Constructor_InvalidCompressionMode()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
DeflateStream ds = new DeflateStream(new MemoryStream(), (CompressionMode)Int32.MinValue, CompressionAlgorithm.Zlib);
}
public void Constructor_Null()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
DeflateStream ds = new DeflateStream(null, CompressionMode.Compress, CompressionAlgorithm.Zlib);
}
[Test] // Not passing the algorithm because the compressed data is Zlib compressed.
public void CheckDecompress()
{
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
StreamReader reader = new StreamReader(decompressing);
Assert.AreEqual("Hello", reader.ReadLine());
decompressing.Close();
}
public void CheckGetPositionProp()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
long position = decompressing.Position;
}
public void CheckNullRead()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
Assert.Throws <ArgumentNullException> (() => decompressing.Read(null, 0, 20));
}
public void CheckSetLength()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
decompressing.SetLength(20);
}
public void CheckSeek()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
Assert.Throws <NotSupportedException> (() => decompressing.Seek(20, SeekOrigin.Current));
}
[Test] // zlib specific test
public void Bug19313()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
byte [] buffer = new byte [512];
using (var backing = new Bug19313Stream(compressed_data))
using (var decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib))
decompressing.Read(buffer, 0, buffer.Length);
}
public void CheckGetLengthProp()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
Assert.Throws <NotSupportedException> (() => { var length = decompressing.Length; });
}
public void CheckClosedFlush()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
MemoryStream backing = new MemoryStream();
DeflateStream compressing = new DeflateStream(backing, CompressionMode.Compress, CompressionAlgorithm.Zlib);
compressing.Close();
compressing.Flush();
}
public void CheckRangeRead()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
byte [] dummy = new byte[20];
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
decompressing.Read(dummy, 10, 20);
}
public void CheckCompressingRead()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
byte [] dummy = new byte[20];
MemoryStream backing = new MemoryStream();
DeflateStream compressing = new DeflateStream(backing, CompressionMode.Compress, CompressionAlgorithm.Zlib);
Assert.Throws <InvalidOperationException> (() => compressing.Read(dummy, 0, 20));
}
[Test] // Not passing the algorithm because the compressed data is Zlib compressed.
public void CheckDecompress()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
StreamReader reader = new StreamReader(decompressing);
Assert.AreEqual("Hello", reader.ReadLine());
decompressing.Close();
}
public void CheckClosedRead()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
byte [] dummy = new byte[20];
MemoryStream backing = new MemoryStream(compressed_data);
DeflateStream decompressing = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
decompressing.Close();
Assert.Throws <ObjectDisposedException> (() => decompressing.Read(dummy, 0, 20));
}
public void CheckGetCanWriteProp()
{
MemoryStream backing = new MemoryStream();
DeflateStream decompress = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
Assert.IsFalse(decompress.CanWrite, "#A1");
Assert.IsTrue(backing.CanWrite, "#A2");
decompress.Dispose();
Assert.IsFalse(decompress.CanWrite, "#A3");
Assert.IsFalse(backing.CanWrite, "#A4");
backing = new MemoryStream();
DeflateStream compress = new DeflateStream(backing, CompressionMode.Compress, CompressionAlgorithm.Zlib);
Assert.IsTrue(compress.CanWrite, "#B1");
Assert.IsTrue(backing.CanWrite, "#B2");
compress.Dispose();
Assert.IsFalse(decompress.CanWrite, "#B3");
Assert.IsFalse(backing.CanWrite, "#B4");
}
public CopyToAsyncStream(CompressionStream deflateStream, Stream destination, int bufferSize, CancellationToken cancellationToken)
{
if (deflateStream == null)
{
throw new ArgumentNullException(nameof(deflateStream));
}
if (destination == null)
{
throw new ArgumentNullException(nameof(destination));
}
if (bufferSize <= 0)
{
throw new ArgumentOutOfRangeException(nameof(bufferSize));
}
_deflateStream = deflateStream;
_destination = destination;
_cancellationToken = cancellationToken;
_arrayPoolBuffer = ArrayPool <byte> .Shared.Rent(bufferSize);
}
public void JunkAtTheEnd(CompressionAlgorithm algorithm)
{
// Write a deflated stream, then some additional data...
using (MemoryStream ms = new MemoryStream())
{
// The compressed stream
using (DeflateStream stream = new DeflateStream(ms, CompressionMode.Compress, algorithm, true))
{
stream.WriteByte(1);
stream.Flush();
}
// Junk
ms.WriteByte(2);
ms.Position = 0;
// Reading: this should not hang
using (DeflateStream stream = new DeflateStream(ms, CompressionMode.Decompress, algorithm))
{
byte[] buffer = new byte[512];
int len = stream.Read(buffer, 0, buffer.Length);
Console.WriteLine(len == 1);
}
}
}
public void CheckGetCanWriteProp()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS 9.0+ or macOS 10.11+");
}
MemoryStream backing = new MemoryStream();
DeflateStream decompress = new DeflateStream(backing, CompressionMode.Decompress, CompressionAlgorithm.Zlib);
Assert.IsFalse(decompress.CanWrite, "#A1");
Assert.IsTrue(backing.CanWrite, "#A2");
decompress.Dispose();
Assert.IsFalse(decompress.CanWrite, "#A3");
Assert.IsFalse(backing.CanWrite, "#A4");
backing = new MemoryStream();
DeflateStream compress = new DeflateStream(backing, CompressionMode.Compress, CompressionAlgorithm.Zlib);
Assert.IsTrue(compress.CanWrite, "#B1");
Assert.IsTrue(backing.CanWrite, "#B2");
compress.Dispose();
Assert.IsFalse(decompress.CanWrite, "#B3");
Assert.IsFalse(backing.CanWrite, "#B4");
}
public void Constructor_Null()
{
DeflateStream ds = new DeflateStream(null, CompressionMode.Compress, CompressionAlgorithm.Zlib);
}
public void Constructor_InvalidCompressionMode()
{
DeflateStream ds = new DeflateStream(new MemoryStream(), (CompressionMode)Int32.MinValue, CompressionAlgorithm.Zlib);
}
