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/* -*- Mode: csharp; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
//
// DeflateStreamTest.cs - NUnit Test Cases for the System.IO.Compression.DeflateStream class
//
// Authors:
// Christopher James Lahey <clahey@ximian.com>
//
// (C) 2004 Novell, Inc. <http://www.novell.com>
//
#if NET_2_0
using NUnit.Framework;
using System;
using System.IO;
using System.IO.Compression;
namespace MonoTests.System.IO.Compression
{
[TestFixture]
public class DeflateStreamTest : Assertion
{
private static void CopyStream (Stream src, Stream dest)
{
byte[] array = new byte[1024];
int bytes_read;
bytes_read = src.Read (array, 0, 1024);
while (bytes_read != 0) {
dest.Write (array, 0, bytes_read);
bytes_read = src.Read (array, 0, 1024);
}
}
private static bool compare_buffers (byte[] first, byte[] second, int length)
{
if (first.Length < length || second.Length < length) {
return false;
}
for (int i = 0; i < length; i++) {
if (first[i] != second[i]) {
return false;
}
}
return true;
}
[Test]
[Category("NotWorking")] // #72143
public void CheckCompressDecompress () {
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, true);
CopyStream (dataStream, compressing);
dataStream.Close();
compressing.Close();
backing.Seek (0, SeekOrigin.Begin);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
MemoryStream output = new MemoryStream ();
CopyStream (decompressing, output);
Assert (compare_buffers (data, output.GetBuffer(), (int) output.Length));
decompressing.Close();
output.Close();
}
[Test]
public void CheckDecompress () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
StreamReader reader = new StreamReader (decompressing);
AssertEquals (reader.ReadLine (), "Hello");
decompressing.Close();
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void CheckNullRead () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
decompressing.Read (null, 0, 20);
}
[Test]
[ExpectedException (typeof (InvalidOperationException))]
[Category("NotWorking")] // #72143
public void CheckCompressingRead () {
byte [] dummy = new byte[20];
MemoryStream backing = new MemoryStream ();
DeflateStream compressing = new DeflateStream (backing, CompressionMode.Compress);
compressing.Read (dummy, 0, 20);
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
[Category("NotWorking")] // #72143
public void CheckRangeRead () {
byte [] data = {0x11, 0x78, 0x89, 0x91, 0xbe, 0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
byte [] dummy = new byte[20];
MemoryStream backing = new MemoryStream (data);
GzipStream decompressing = new GzipStream (backing, CompressionMode.Decompress);
decompressing.Read (dummy, 10, 20);
}
[Test]
[ExpectedException (typeof (InvalidDataException))]
public void CheckInvalidDataRead () {
byte [] data = {0x11, 0x78, 0x89, 0x91, 0xbe, 0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
byte [] dummy = new byte[20];
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
decompressing.Read (dummy, 0, 20);
}
[Test]
[ExpectedException (typeof (ObjectDisposedException))]
[Category("NotWorking")] // #72143
public void CheckClosedRead () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
byte [] dummy = new byte[20];
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
decompressing.Close ();
decompressing.Read (dummy, 0, 20);
}
[Test]
[ExpectedException (typeof (ObjectDisposedException))]
[Category("NotWorking")] // #72143
public void CheckClosedFlush () {
MemoryStream backing = new MemoryStream ();
DeflateStream compressing = new DeflateStream (backing, CompressionMode.Compress);
compressing.Close ();
compressing.Flush ();
}
[Test]
[ExpectedException (typeof (NotSupportedException))]
public void CheckSeek () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
decompressing.Seek (20, SeekOrigin.Current);
}
[Test]
[ExpectedException (typeof (NotSupportedException))]
public void CheckSetLength () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
decompressing.SetLength (20);
}
[Test]
public void CheckGetCanSeekProp () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
AssertEquals (decompressing.CanSeek, false);
}
[Test]
public void CheckGetCanReadProp () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
AssertEquals (decompressing.CanRead, true);
}
[Test]
[Category("NotWorking")] // #72143
public void CheckGetCanWriteProp () {
MemoryStream backing = new MemoryStream ();
DeflateStream compressing = new DeflateStream (backing, CompressionMode.Decompress);
AssertEquals (compressing.CanWrite, true);
}
[Test]
[ExpectedException (typeof (NotSupportedException))]
public void CheckSetLengthProp () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
decompressing.SetLength (20);
}
[Test]
[ExpectedException (typeof (NotSupportedException))]
public void CheckGetLengthProp () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
long length = decompressing.Length;
}
[Test]
[ExpectedException (typeof (NotSupportedException))]
public void CheckGetPositionProp () {
byte [] data = {0xf3, 0x48, 0xcd, 0xc9, 0xc9, 0xe7, 0x02, 0x00 };
MemoryStream backing = new MemoryStream (data);
DeflateStream decompressing = new DeflateStream (backing, CompressionMode.Decompress);
long position = decompressing.Position;
}
}
}
#endif
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