* DiscImageChef.Tests/Filters/PCExchange.cs:

* DiscImageChef.Tests/DiscImageChef.Tests.csproj:
	  Added test for PCExchange filter.

	* DiscImageChef.Filters/PCExchange.cs:
	  Solved handling last entry of FINDER.DAT.
	Close FINDER.DAT to prevent sharing violation.

DiscImageChef.Filters/PCExchange.cs

@@ -215,7 +215,7 @@ namespace DiscImageChef.Filters
 
             FileStream finderDatStream = new FileStream(Path.Combine(parentFolder, FinderInfo), FileMode.Open, FileAccess.Read);
 
-            while(finderDatStream.Position + 0x5C < finderDatStream.Length)
+            while(finderDatStream.Position + 0x5C <= finderDatStream.Length)
             {
                 PCExchangeEntry datEntry = new PCExchangeEntry();
                 byte[] datEntry_b = new byte[Marshal.SizeOf(datEntry)];
@@ -269,7 +269,7 @@ namespace DiscImageChef.Filters
 
             FileStream finderDatStream = new FileStream(Path.Combine(parentFolder, FinderInfo), FileMode.Open, FileAccess.Read);
 
-            while(finderDatStream.Position + 0x5C < finderDatStream.Length)
+            while(finderDatStream.Position + 0x5C <= finderDatStream.Length)
             {
                 PCExchangeEntry datEntry = new PCExchangeEntry();
                 byte[] datEntry_b = new byte[Marshal.SizeOf(datEntry)];
@@ -313,6 +313,8 @@ namespace DiscImageChef.Filters
 
             basePath = path;
             opened = true;
+
+            finderDatStream.Close();
         }
     }
 }

DiscImageChef.Tests/DiscImageChef.Tests.csproj

@@ -50,6 +50,7 @@
     <Compile Include="Filters\XZ.cs" />
     <Compile Include="Filters\LZip.cs" />
     <Compile Include="Filters\BZip2.cs" />
+    <Compile Include="Filters\PCExchange.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />

DiscImageChef.Tests/Filters/PCExchange.cs

@@ -0,0 +1,122 @@
+// /***************************************************************************
+// The Disc Image Chef
+// ----------------------------------------------------------------------------
+//
+// Filename       : GZip.cs
+// Version        : 1.0
+// Author(s)      : Natalia Portillo
+//
+// Component      : Component
+//
+// Revision       : $Revision$
+// Last change by : $Author$
+// Date           : $Date$
+//
+// --[ Description ] ----------------------------------------------------------
+//
+// Description
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright (C) 2011-2015 Claunia.com
+// ****************************************************************************/
+// //$Id$
+using System.IO;
+using DiscImageChef.Checksums;
+using DiscImageChef.Filters;
+using NUnit.Framework;
+
+namespace DiscImageChef.Tests.Filters
+{
+    [TestFixture]
+    public class PCExchange
+    {
+        const string ExpectedFile = "348825a08fa84766d20b91ed917012b9";
+        const string ExpectedContents = "c2be571406cf6353269faa59a4a8c0a4";
+        const string ExpectedResource = "5cb168d60ce8b2b1b3133c2faaf47165";
+        readonly string location;
+
+        public PCExchange()
+        {
+            location = Path.Combine(Consts.TestFilesRoot, "filters", "pcexchange", "DC6_RW_DOS_720.img");
+        }
+
+        [Test]
+        public void CheckCorrectFile()
+        {
+            MD5Context ctx = new MD5Context();
+            ctx.Init();
+            string result = ctx.File(Path.Combine(Consts.TestFilesRoot, "filters", "pcexchange", "FINDER.DAT"), out byte[] tmp);
+            Assert.AreEqual(ExpectedFile, result);
+        }
+
+        [Test]
+        public void CheckFilterId()
+        {
+            Filter filter = new DiscImageChef.Filters.PCExchange();
+            Assert.AreEqual(true, filter.Identify(location));
+        }
+
+        [Test]
+        public void Test()
+        {
+            Filter filter = new DiscImageChef.Filters.PCExchange();
+            filter.Open(location);
+            Assert.AreEqual(true, filter.IsOpened());
+            Assert.AreEqual(737280, filter.GetDataForkLength());
+            Assert.AreNotEqual(null, filter.GetDataForkStream());
+            Assert.AreEqual(546, filter.GetResourceForkLength());
+            Assert.AreNotEqual(null, filter.GetResourceForkStream());
+            Assert.AreEqual(true, filter.HasResourceFork());
+            filter.Close();
+        }
+
+        [Test]
+        public void CheckContents()
+        {
+            Filter filter = new DiscImageChef.Filters.PCExchange();
+            filter.Open(location);
+            Stream str = filter.GetDataForkStream();
+            byte[] data = new byte[737280];
+            str.Read(data, 0, 737280);
+            str.Close();
+            str.Dispose();
+            filter.Close();
+            MD5Context ctx = new MD5Context();
+            ctx.Init();
+            string result = ctx.Data(data, out byte[] tmp);
+            Assert.AreEqual(ExpectedContents, result);
+        }
+ 
+        [Test]
+        public void CheckResource()
+        {
+            Filter filter = new DiscImageChef.Filters.PCExchange();
+            filter.Open(location);
+            Stream str = filter.GetResourceForkStream();
+            byte[] data = new byte[546];
+            str.Read(data, 0, 546);
+            str.Close();
+            str.Dispose();
+            filter.Close();
+            MD5Context ctx = new MD5Context();
+            ctx.Init();
+            string result = ctx.Data(data, out byte[] tmp);
+            Assert.AreEqual(ExpectedResource, result);
+        }
+    }
+}