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347 lines
12 KiB
C#
347 lines
12 KiB
C#
/* -*- Mode: csharp; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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//
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// GZipStreamTest.cs - NUnit Test Cases for the System.IO.Compression.GZipStream class
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//
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// Authors:
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// Christopher James Lahey <clahey@ximian.com>
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//
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// (C) 2004 Novell, Inc. <http://www.novell.com>
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//
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using NUnit.Framework;
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using System;
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using System.IO;
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using System.IO.Compression;
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using System.Text;
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namespace MonoTests.System.IO.Compression
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{
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[TestFixture]
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public class GZipStreamTest
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{
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private static void CopyStream (Stream src, Stream dest)
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{
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byte[] array = new byte[1024];
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int bytes_read;
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bytes_read = src.Read (array, 0, 1024);
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while (bytes_read != 0) {
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dest.Write (array, 0, bytes_read);
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bytes_read = src.Read (array, 0, 1024);
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}
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}
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private static bool compare_buffers (byte[] first, byte[] second, int length)
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{
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if (first.Length < length || second.Length < length) {
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return false;
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}
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for (int i = 0; i < length; i++) {
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if (first[i] != second[i]) {
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return false;
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}
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}
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return true;
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (ArgumentNullException))]
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public void Constructor_Null ()
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{
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GZipStream ds = new GZipStream (null, CompressionMode.Compress);
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (ArgumentException))]
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public void Constructor_InvalidCompressionMode ()
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{
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GZipStream ds = new GZipStream (new MemoryStream (), (CompressionMode)Int32.MinValue);
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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public void CheckCompressDecompress ()
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{
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byte [] data = new byte[100000];
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for (int i = 0; i < 100000; i++) {
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data[i] = (byte) i;
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}
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MemoryStream dataStream = new MemoryStream (data);
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MemoryStream backing = new MemoryStream ();
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GZipStream compressing = new GZipStream (backing, CompressionMode.Compress, true);
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CopyStream (dataStream, compressing);
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dataStream.Close();
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compressing.Close();
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backing.Seek (0, SeekOrigin.Begin);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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MemoryStream output = new MemoryStream ();
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CopyStream (decompressing, output);
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Assert.IsTrue (compare_buffers (data, output.GetBuffer(), (int) output.Length));
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decompressing.Close();
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output.Close();
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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public void CheckDecompress ()
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{
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byte [] data = {0x1f, 0x8b, 0x08, 0x08, 0x70, 0xbb, 0x5d, 0x41, 0x00, 0x03, 0x74, 0x65, 0x73, 0x74, 0x00, 0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00, 0x16, 0x35, 0x96, 0x31, 0x06, 0x00, 0x00, 0x00 };
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MemoryStream backing = new MemoryStream (data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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StreamReader reader = new StreamReader (decompressing);
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Assert.AreEqual ("Hello", reader.ReadLine ());
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decompressing.Close();
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (ArgumentNullException))]
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public void CheckNullRead ()
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{
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byte [] data = {0x1f, 0x8b, 0x08, 0x08, 0x70, 0xbb, 0x5d, 0x41, 0x00, 0x03, 0x74, 0x65, 0x73, 0x74, 0x00, 0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00, 0x16, 0x35, 0x96, 0x31, 0x06, 0x00, 0x00, 0x00 };
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MemoryStream backing = new MemoryStream (data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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decompressing.Read (null, 0, 20);
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (InvalidOperationException))]
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public void CheckCompressingRead ()
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{
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byte [] dummy = new byte[20];
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MemoryStream backing = new MemoryStream ();
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GZipStream compressing = new GZipStream (backing, CompressionMode.Compress);
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compressing.Read (dummy, 0, 20);
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (ArgumentException))]
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public void CheckRangeRead ()
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{
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byte [] data = {0x1f, 0x8b, 0x08, 0x08, 0x70, 0xbb, 0x5d, 0x41, 0x00, 0x03, 0x74, 0x65, 0x73, 0x74, 0x00, 0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00, 0x16, 0x35, 0x96, 0x31, 0x06, 0x00, 0x00, 0x00 };
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byte [] dummy = new byte[20];
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MemoryStream backing = new MemoryStream (data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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decompressing.Read (dummy, 10, 20);
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}
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#if !MOBILE
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[Category("NotWorking")]
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public void CheckInvalidDataRead ()
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{
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byte [] data = {0x1f, 0x8b, 0x08, 0x08, 0x70, 0xbb, 0x5d, 0x41, 0x00, 0x03, 0x74, 0x65, 0x73, 0x74, 0x00, 0x11, 0x78, 0x89, 0x91, 0xbe, 0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00, 0x16, 0x35, 0x96, 0x31, 0x06, 0x00, 0x00, 0x00 };
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byte [] dummy = new byte[20];
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MemoryStream backing = new MemoryStream (data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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try {
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decompressing.Read (dummy, 0, 20);
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Assert.Fail ();
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} catch (InvalidDataException) {
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}
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}
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#endif
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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public void CheckClosedRead ()
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{
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byte [] dummy = new byte[20];
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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decompressing.Close ();
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try {
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decompressing.Read (dummy, 0, 20);
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Assert.Fail ();
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} catch (ObjectDisposedException) {
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}
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (ObjectDisposedException))]
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public void CheckClosedFlush ()
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{
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MemoryStream backing = new MemoryStream ();
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GZipStream compressing = new GZipStream (backing, CompressionMode.Compress);
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compressing.Close ();
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compressing.Flush ();
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (NotSupportedException))]
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public void CheckSeek ()
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{
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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decompressing.Seek (20, SeekOrigin.Current);
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (NotSupportedException))]
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public void CheckSetLength ()
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{
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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decompressing.SetLength (20);
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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public void CheckGetCanSeekProp ()
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{
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompress = new GZipStream (backing, CompressionMode.Decompress);
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Assert.IsFalse (decompress.CanSeek, "#A1");
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Assert.IsTrue (backing.CanSeek, "#A2");
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decompress.Dispose ();
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Assert.IsFalse (decompress.CanSeek, "#A3");
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Assert.IsFalse (backing.CanSeek, "#A4");
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backing = new MemoryStream ();
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GZipStream compress = new GZipStream (backing, CompressionMode.Compress);
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Assert.IsFalse (compress.CanSeek, "#B1");
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Assert.IsTrue (backing.CanSeek, "#B2");
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compress.Dispose ();
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Assert.IsFalse (decompress.CanSeek, "#B3");
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Assert.IsFalse (backing.CanSeek, "#B4");
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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public void CheckGetCanReadProp ()
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{
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompress = new GZipStream (backing, CompressionMode.Decompress);
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Assert.IsTrue (decompress.CanRead, "#A1");
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Assert.IsTrue (backing.CanRead, "#A2");
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decompress.Dispose ();
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Assert.IsFalse (decompress.CanRead, "#A3");
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Assert.IsFalse (backing.CanRead, "#A4");
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backing = new MemoryStream ();
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GZipStream compress = new GZipStream (backing, CompressionMode.Compress);
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Assert.IsFalse (compress.CanRead, "#B1");
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Assert.IsTrue (backing.CanRead, "#B2");
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compress.Dispose ();
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Assert.IsFalse (decompress.CanRead, "#B3");
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Assert.IsFalse (backing.CanRead, "#B4");
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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public void CheckGetCanWriteProp ()
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{
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompress = new GZipStream (backing, CompressionMode.Decompress);
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Assert.IsFalse (decompress.CanWrite, "#A1");
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Assert.IsTrue (backing.CanWrite, "#A2");
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decompress.Dispose ();
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Assert.IsFalse (decompress.CanWrite, "#A3");
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Assert.IsFalse (backing.CanWrite, "#A4");
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backing = new MemoryStream ();
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GZipStream compress = new GZipStream (backing, CompressionMode.Compress);
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Assert.IsTrue (compress.CanWrite, "#B1");
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Assert.IsTrue (backing.CanWrite, "#B2");
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compress.Dispose ();
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Assert.IsFalse (decompress.CanWrite, "#B3");
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Assert.IsFalse (backing.CanWrite, "#B4");
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (NotSupportedException))]
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public void CheckSetLengthProp ()
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{
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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decompressing.SetLength (20);
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (NotSupportedException))]
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public void CheckGetLengthProp ()
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{
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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long length = decompressing.Length;
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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[ExpectedException (typeof (NotSupportedException))]
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public void CheckGetPositionProp ()
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{
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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long position = decompressing.Position;
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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public void DisposeTest ()
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{
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MemoryStream backing = new MemoryStream (compressed_data);
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GZipStream decompress = new GZipStream (backing, CompressionMode.Decompress);
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decompress.Dispose ();
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decompress.Dispose ();
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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public void DisposeOrderTest ()
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{
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var fs = new MemoryStream();
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GZipStream compressed = new GZipStream(fs, CompressionMode.Compress);
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byte[] buffer = new byte[1024];
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compressed.Write(buffer, 0, buffer.Length);
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compressed.Close();
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try {
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fs.WriteByte(2);
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Assert.Fail ();
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} catch (ObjectDisposedException) {
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}
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}
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static byte [] compressed_data = {
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0x1f, 0x8b, 0x08, 0x08, 0x70, 0xbb, 0x5d, 0x41, 0x00,
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0x03, 0x74, 0x65, 0x73, 0x74, 0x00, 0xf3, 0x48, 0xcd,
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0xc9, 0xc9, 0xe7, 0x02, 0x00, 0x16, 0x35, 0x96, 0x31,
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0x06, 0x00, 0x00, 0x00};
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public MemoryStream GenerateStreamFromString(string s)
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{
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return new MemoryStream (Encoding.UTF8.GetBytes (s));
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}
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[Test]
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[Category ("StaticLinkedAotNotWorking")] // Native MPH loading issues
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public void CheckNet45Overloads () // Xambug #21982
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{
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MemoryStream dataStream = GenerateStreamFromString("Hello");
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MemoryStream backing = new MemoryStream ();
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GZipStream compressing = new GZipStream (backing, CompressionLevel.Fastest, true);
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CopyStream (dataStream, compressing);
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dataStream.Close();
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compressing.Close();
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backing.Seek (0, SeekOrigin.Begin);
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GZipStream decompressing = new GZipStream (backing, CompressionMode.Decompress);
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StreamReader reader = new StreamReader (decompressing);
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Assert.AreEqual ("Hello", reader.ReadLine ());
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decompressing.Close();
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backing.Close();
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}
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}
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}
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