mono/mcs/class/corlib/Test/System.Reflection/AssemblyTest.cs

//
// System.Reflection.Assembly Test Cases
//
// Authors:
// 	Gonzalo Paniagua Javier ([email protected])
//	Philippe Lavoie ([email protected])
//	Sebastien Pouliot ([email protected])
//
// (c) 2003 Ximian, Inc. (http://www.ximian.com)
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using NUnit.Framework;
using System;
using System.Configuration.Assemblies;
using System.Globalization;
using System.IO;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.Serialization;
using System.Security;

namespace MonoTests.System.Reflection
{
	[TestFixture]
	public class AssemblyTest
	{
                [Test] 
                public void CreateInstance() 
                {
			Type type = typeof (AssemblyTest);
                        Object obj = type.Assembly.CreateInstance ("MonoTests.System.Reflection.AssemblyTest");
			Assert.IsNotNull (obj, "#01");
			Assert.AreEqual (GetType (), obj.GetType (), "#02");
		} 

                [Test] 
                public void CreateInvalidInstance() 
                { 
			Type type = typeof (AssemblyTest);
                        Object obj = type.Assembly.CreateInstance("NunitTests.ThisTypeDoesNotExist");
			Assert.IsNull (obj, "#03");
		} 

		[Test]
#if NET_2_0
		[Category ("NotWorking")]
		[ExpectedException (typeof (ArgumentException))]
#else
		[ExpectedException (typeof (TypeLoadException))]
#endif
		public void TestGetType () 
		{
			// Bug #49114
			typeof (int).Assembly.GetType ("&blabla", true, true);
		}

		[Test]
		public void GetEntryAssembly ()
		{
			// note: only available in default appdomain
			// http://weblogs.asp.net/asanto/archive/2003/09/08/26710.aspx
			// Not sure we should emulate this behavior.
			string fname = AppDomain.CurrentDomain.FriendlyName;
			if (fname.EndsWith (".dll")) { // nunit-console
				Assert.IsNull (Assembly.GetEntryAssembly (), "GetEntryAssembly");
#if NET_2_0
				Assert.IsFalse (AppDomain.CurrentDomain.IsDefaultAppDomain (), "!default appdomain");
#endif
			} else { // gnunit
				Assert.IsNotNull (Assembly.GetEntryAssembly (), "GetEntryAssembly");
#if NET_2_0
				Assert.IsTrue (AppDomain.CurrentDomain.IsDefaultAppDomain (), "!default appdomain");
#endif
			}
		}
#if NET_2_0
		[Category ("NotWorking")]
#endif
		[Test]
		public void Corlib () 
		{
			Assembly corlib = typeof (int).Assembly;
			Assert.IsTrue (corlib.CodeBase.EndsWith ("mscorlib.dll"), "CodeBase");
			Assert.IsNull (corlib.EntryPoint, "EntryPoint");
			Assert.IsTrue (corlib.EscapedCodeBase.EndsWith ("mscorlib.dll"), "EscapedCodeBase");
			Assert.IsNotNull (corlib.Evidence, "Evidence");
			Assert.IsTrue (corlib.Location.EndsWith ("mscorlib.dll"), "Location");

			// corlib doesn't reference anything
			Assert.AreEqual (0, corlib.GetReferencedAssemblies ().Length, "GetReferencedAssemblies");
#if NET_2_0
			Assert.AreEqual ("mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089", corlib.FullName, "FullName");
			// not really "true" but it's even more trusted so...
			Assert.IsTrue (corlib.GlobalAssemblyCache, "GlobalAssemblyCache");
			Assert.AreEqual (0, corlib.HostContext, "HostContext");
			Assert.AreEqual ("v2.0.50727", corlib.ImageRuntimeVersion, "ImageRuntimeVersion");
			Assert.IsFalse (corlib.ReflectionOnly, "ReflectionOnly");
			Assert.AreEqual (0x1, corlib.ManifestModule.MetadataToken);
#elif NET_1_1
			Assert.IsFalse (corlib.GlobalAssemblyCache, "GlobalAssemblyCache");
			Assert.AreEqual ("mscorlib, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089", corlib.FullName, "FullName");
			Assert.AreEqual ("v1.1.4322", corlib.ImageRuntimeVersion, "ImageRuntimeVersion");
#endif
		}

		[Test]
		public void Corlib_test ()
		{
			Assembly corlib_test = Assembly.GetExecutingAssembly ();
			Assert.IsNull (corlib_test.EntryPoint, "EntryPoint");
			Assert.IsNotNull (corlib_test.Evidence, "Evidence");
			Assert.IsFalse (corlib_test.GlobalAssemblyCache, "GlobalAssemblyCache");

			Assert.IsTrue (corlib_test.GetReferencedAssemblies ().Length > 0, "GetReferencedAssemblies");
#if NET_2_0
			Assert.AreEqual (0, corlib_test.HostContext, "HostContext");
			Assert.AreEqual ("v2.0.50727", corlib_test.ImageRuntimeVersion, "ImageRuntimeVersion");
			Assert.IsNotNull (corlib_test.ManifestModule, "ManifestModule");
			Assert.IsFalse (corlib_test.ReflectionOnly, "ReflectionOnly");
#elif NET_1_1
			Assert.AreEqual ("v1.1.4322", corlib_test.ImageRuntimeVersion, "ImageRuntimeVersion");
#endif
		}

		[Test]
		public void GetAssembly ()
		{
			Assert.IsTrue (Assembly.GetAssembly (typeof (int)).FullName.StartsWith ("mscorlib"), "GetAssembly(int)");
			Assert.AreEqual (this.GetType ().Assembly.FullName, Assembly.GetAssembly (this.GetType ()).FullName, "GetAssembly(this)");
		}

		[Test]
		[ExpectedException (typeof (ArgumentNullException))]
		public void GetFile_Null ()
		{
			Assembly.GetExecutingAssembly ().GetFile (null);
		}

		[Test]
		[ExpectedException (typeof (ArgumentException))]
		public void GetFile_Empty ()
		{
			Assembly.GetExecutingAssembly ().GetFile (String.Empty);
		}

		[Test]
		public void GetFiles_False ()
		{
			Assembly corlib = typeof (int).Assembly;
			FileStream[] fss = corlib.GetFiles ();
			Assert.AreEqual (fss.Length, corlib.GetFiles (false).Length, "corlib.GetFiles (false)");

			Assembly corlib_test = Assembly.GetExecutingAssembly ();
			fss = corlib_test.GetFiles ();
			Assert.AreEqual (fss.Length, corlib_test.GetFiles (false).Length, "test.GetFiles (false)");
		}

		[Test]
		public void GetFiles_True ()
		{
			Assembly corlib = typeof (int).Assembly;
			FileStream[] fss = corlib.GetFiles ();
			Assert.IsTrue (fss.Length <= corlib.GetFiles (true).Length, "corlib.GetFiles (true)");

			Assembly corlib_test = Assembly.GetExecutingAssembly ();
			fss = corlib_test.GetFiles ();
			Assert.IsTrue (fss.Length <= corlib_test.GetFiles (true).Length, "test.GetFiles (true)");
		}

		[Test]
		public void LoadWithPartialName ()
		{
			string [] names = { "corlib_test_default", "corlib_test_net_2_0", "corlib_plattest" };

			foreach (string s in names)
				if (Assembly.LoadWithPartialName (s) != null)
					return;
			Assertion.Fail ("Was not able to load any corlib test");
		}

		[Test]
		[ExpectedException (typeof (ArgumentNullException))]
		public void GetObjectData_Null ()
		{
			Assembly corlib = typeof (int).Assembly;
			corlib.GetObjectData (null, new StreamingContext (StreamingContextStates.All));
		}

		[Test]
		public void GetReferencedAssemblies ()
		{
			Assembly corlib_test = Assembly.GetExecutingAssembly ();
			AssemblyName[] names = corlib_test.GetReferencedAssemblies ();
			foreach (AssemblyName an in names) {
				Assert.IsNull (an.CodeBase, "CodeBase");
				Assert.IsNotNull (an.CultureInfo, "CultureInfo");
				Assert.IsNull (an.EscapedCodeBase, "EscapedCodeBase");
				Assert.AreEqual (AssemblyNameFlags.None, an.Flags, "Flags");
				Assert.IsNotNull (an.FullName, "FullName");
				Assert.AreEqual (AssemblyHashAlgorithm.SHA1, an.HashAlgorithm, "HashAlgorithm");
				Assert.IsNull (an.KeyPair, "KeyPair");
				Assert.IsNotNull (an.Name, "Name");
				Assert.IsNotNull (an.Version, "Version");
				Assert.AreEqual (AssemblyVersionCompatibility.SameMachine, 
					an.VersionCompatibility, "VersionCompatibility");
			}
		}

		[Test]
		public void Location_Empty() {
			string assemblyFileName = Path.Combine (
				Path.GetTempPath (), "AssemblyLocation.dll");

			try {
				AssemblyName assemblyName = new AssemblyName ();
				assemblyName.Name = "AssemblyLocation";

				AssemblyBuilder ab = AppDomain.CurrentDomain
					.DefineDynamicAssembly (assemblyName,
					AssemblyBuilderAccess.Save,
					Path.GetTempPath (),
					AppDomain.CurrentDomain.Evidence);
				ab.Save (Path.GetFileName (assemblyFileName));

				using (FileStream fs = File.OpenRead(assemblyFileName)) {
					byte[] buffer = new byte[fs.Length];
					fs.Read(buffer, 0, buffer.Length);
					Assembly assembly = Assembly.Load(buffer);
					Assert.AreEqual(string.Empty, assembly.Location);
					fs.Close();
				}
			} finally {
				File.Delete (assemblyFileName);
			}
		}

#if NET_2_0
		[Test]
		[Category ("NotWorking")]
		public void ReflectionOnlyLoad ()
		{
			Assembly assembly = Assembly.ReflectionOnlyLoad (typeof (AssemblyTest).Assembly.FullName);
			
			Assert.IsNotNull (assembly);
			Assert.IsTrue (assembly.ReflectionOnly);
		}

		[Test]
		public void ReflectionOnlyLoadFrom ()
		{
			string loc = typeof (AssemblyTest).Assembly.Location;
			string filename = Path.GetFileName (loc);
			Assembly assembly = Assembly.ReflectionOnlyLoadFrom (filename);

			Assert.IsNotNull (assembly);
			Assert.IsTrue (assembly.ReflectionOnly);
		}

		[Test]
		[ExpectedException (typeof (ArgumentException))]
		public void CreateInstanceOnRefOnly ()
		{
			Assembly assembly = Assembly.ReflectionOnlyLoad (typeof (AssemblyTest).Assembly.FullName);
			assembly.CreateInstance ("MonoTests.System.Reflection.AssemblyTest");
		}
#endif
	}
}