141 lines
3.9 KiB
C#
141 lines
3.9 KiB
C#
//
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// DeflateStreamCas.cs -CAS unit tests for System.IO.Compression.DeflateStream
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//
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// Author:
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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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.Security;
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using System.Security.Permissions;
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using System.Threading;
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namespace MonoCasTests.System.IO.Compression {
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[TestFixture]
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[Category ("CAS")]
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public class DeflateStreamCas {
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private const int timeout = 30000;
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private string message;
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static ManualResetEvent reset;
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[TestFixtureSetUp]
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public void FixtureSetUp ()
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{
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// this occurs with a "clean" stack (full trust)
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reset = new ManualResetEvent (false);
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}
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[TestFixtureTearDown]
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public void FixtureTearDown ()
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{
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reset.Close ();
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}
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[SetUp]
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public void SetUp ()
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{
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if (!SecurityManager.SecurityEnabled)
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Assert.Ignore ("SecurityManager.SecurityEnabled is OFF");
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}
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// async tests (for stack propagation)
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private void ReadCallback (IAsyncResult ar)
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{
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DeflateStream s = (DeflateStream)ar.AsyncState;
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s.EndRead (ar);
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try {
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// can we do something bad here ?
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Assert.IsNotNull (Environment.GetEnvironmentVariable ("USERNAME"));
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message = "Expected a SecurityException";
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}
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catch (SecurityException) {
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message = null;
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reset.Set ();
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}
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catch (Exception e) {
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message = e.ToString ();
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}
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}
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[Test]
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[EnvironmentPermission (SecurityAction.Deny, Read = "USERNAME")]
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public void AsyncRead ()
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{
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DeflateStream cs = new DeflateStream (new MemoryStream (), CompressionMode.Decompress);
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message = "AsyncRead";
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reset.Reset ();
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IAsyncResult r = cs.BeginRead (new byte[0], 0, 0, new AsyncCallback (ReadCallback), cs);
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Assert.IsNotNull (r, "IAsyncResult");
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if (!reset.WaitOne (timeout, true))
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Assert.Ignore ("Timeout");
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Assert.IsNull (message, message);
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cs.Close ();
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}
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private void WriteCallback (IAsyncResult ar)
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{
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DeflateStream s = (DeflateStream)ar.AsyncState;
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s.EndWrite (ar);
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try {
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// can we do something bad here ?
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Assert.IsNotNull (Environment.GetEnvironmentVariable ("USERNAME"));
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message = "Expected a SecurityException";
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}
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catch (SecurityException) {
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message = null;
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reset.Set ();
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}
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catch (Exception e) {
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message = e.ToString ();
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}
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}
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[Test]
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[EnvironmentPermission (SecurityAction.Deny, Read = "USERNAME")]
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public void AsyncWrite ()
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{
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DeflateStream cs = new DeflateStream (new MemoryStream (), CompressionMode.Compress);
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message = "AsyncWrite";
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reset.Reset ();
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IAsyncResult r = cs.BeginWrite (new byte[1], 0, 1, new AsyncCallback (WriteCallback), cs);
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Assert.IsNotNull (r, "IAsyncResult");
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if (!reset.WaitOne (timeout, true))
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Assert.Ignore ("Timeout");
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Assert.IsNull (message, message);
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// the Close is currently buggy in Mono
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// cs.Close ();
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}
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}
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}
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