// // HashMembershipConditionTest.cs - // NUnit Test Cases for HashMembershipCondition // // Author: // Sebastien Pouliot // // Copyright (C) 2004 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.Reflection; using System.Security; using System.Security.Cryptography; using System.Security.Policy; namespace MonoTests.System.Security.Policy { [TestFixture] public class HashMembershipConditionTest { static Hash hashEvidence; static MD5 md5; static SHA1 sha1; static byte[] digestMd5; static byte[] digestSha1; [TestFixtureSetUp] public void FixtureSetUp () { Assembly a = Assembly.GetExecutingAssembly (); hashEvidence = new Hash (a); md5 = MD5.Create (); digestMd5 = hashEvidence.GenerateHash (md5); sha1 = SHA1.Create (); digestSha1 = hashEvidence.GenerateHash (sha1); } [Test] public void Constructor_MD5 () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); Assert.IsNotNull (hash); Assert.AreEqual (md5, hash.HashAlgorithm, "HashAlgorithm"); Assert.AreEqual (BitConverter.ToString (digestMd5), BitConverter.ToString (hash.HashValue), "HashValue"); } [Test] public void Constructor_SHA1 () { HashMembershipCondition hash = new HashMembershipCondition (sha1, digestSha1); Assert.IsNotNull (hash); Assert.AreEqual (sha1, hash.HashAlgorithm, "HashAlgorithm"); Assert.AreEqual (BitConverter.ToString (digestSha1), BitConverter.ToString (hash.HashValue), "HashValue"); } [Test] public void HashValue () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); // we can't change the instance data by getting a reference inside it byte[] value = hash.HashValue; value [0] ^= 0xFF; Assert.IsFalse (value [0] == hash.HashValue [0], "reference"); Assert.AreEqual (BitConverter.ToString (digestMd5), BitConverter.ToString (hash.HashValue), "HashValue"); // and we can't change the instance data by keeping a reference to what we supply hash.HashValue = value; byte old_value = value [0]; value [0] += 42; Assert.IsFalse (value [0] == hash.HashValue [0], "reference-2"); Assert.AreEqual (old_value, hash.HashValue [0], "HashValue[0]"); } [Test] public void Check () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); Evidence e = null; Assert.IsFalse (hash.Check (e), "Check (null)"); e = new Evidence (); Assert.IsFalse (hash.Check (e), "Check (empty)"); e.AddHost (new Zone (SecurityZone.MyComputer)); Assert.IsFalse (hash.Check (e), "Check (zone)"); e.AddAssembly (hashEvidence); Assert.IsFalse (hash.Check (e), "Check (hash-assembly)"); e = new Evidence (); e.AddHost (hashEvidence); Assert.IsTrue (hash.Check (e), "Check (MD5-host)"); hash = new HashMembershipCondition (sha1, digestSha1); Assert.IsTrue (hash.Check (e), "Check (SHA1-host)"); } [Test] public void Copy () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); HashMembershipCondition copy = (HashMembershipCondition)hash.Copy (); Assert.AreEqual (hash, copy, "Equals"); Assert.IsFalse (Object.ReferenceEquals (hash, copy), "ReferenceEquals"); } [Test] public void Equals () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); Assert.IsFalse (hash.Equals (null), "Equals(null)"); Assert.IsFalse (hash.Equals (new object ()), "Equals (object)"); HashMembershipCondition h2 = new HashMembershipCondition (md5, digestMd5); Assert.IsTrue (hash.Equals (h2), "Equals(h2)"); Assert.IsTrue (h2.Equals (hash), "Equals(hash)"); // same assembly but different algorithm / value hash = new HashMembershipCondition (sha1, digestSha1); Assert.IsFalse (hash.Equals (h2), "Equals(h2)"); Assert.IsFalse (h2.Equals (hash), "Equals(hash)"); } [Test] [ExpectedException (typeof (ArgumentNullException))] public void FromXml_Null () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); hash.FromXml (null); } [Test] public void FromXml () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); hash.FromXml (se); } [Test] [ExpectedException (typeof (ArgumentException))] public void FromXml_InvalidTag () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); se.Tag = "IMonoship"; hash.FromXml (se); } [Test] [ExpectedException (typeof (ArgumentException))] public void FromXml_WrongTagCase () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); se.Tag = "IMEMBERSHIPCONDITION"; // instehash of IMembershipCondition hash.FromXml (se); } [Test] public void FromXml_InvalidClass () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); se.Attributes ["class"] = "Hello world"; hash.FromXml (se); } [Test] public void FromXml_NoClass () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); SecurityElement w = new SecurityElement (se.Tag); w.AddAttribute ("version", se.Attribute ("version")); hash.FromXml (w); // doesn't even care of the class attribute presence } [Test] public void FromXml_InvalidVersion () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); SecurityElement w = new SecurityElement (se.Tag); w.AddAttribute ("class", se.Attribute ("class")); w.AddAttribute ("version", "2"); hash.FromXml (w); // doesn't seems to care about the version number! } [Test] public void FromXml_NoVersion () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); SecurityElement w = new SecurityElement (se.Tag); w.AddAttribute ("class", se.Attribute ("class")); hash.FromXml (w); } [Test] public void FromXml_Empty_HashAlgorithm () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); SecurityElement w = new SecurityElement (se.Tag); w.AddAttribute ("class", se.Attribute ("class")); w.AddAttribute ("version", "1"); hash.FromXml (w); // this is accepted - but doesn't include a hash algorithm or value // both would throw ArgumentNullException from the constructor Assert.IsTrue ((hash.HashAlgorithm is SHA1Managed), "HashAlgorithm"); } [Test] [ExpectedException (typeof (ArgumentException))] public void FromXml_Empty_HashValue() { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); SecurityElement w = new SecurityElement (se.Tag); w.AddAttribute ("class", se.Attribute ("class")); w.AddAttribute ("version", "1"); hash.FromXml (w); // this is accepted - but doesn't include a hash algorithm or value // both would throw ArgumentNullException from the constructor byte[] value = hash.HashValue; } [Test] [ExpectedException (typeof (ArgumentException))] public void FromXml_Empty_ToString () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); SecurityElement w = new SecurityElement (se.Tag); w.AddAttribute ("class", se.Attribute ("class")); w.AddAttribute ("version", "1"); hash.FromXml (w); // this is accepted - but doesn't include a hash algorithm or value // both would throw ArgumentNullException from the constructor string s = hash.ToString (); } [Test] #if MOBILE [Ignore] #endif [ExpectedException (typeof (ArgumentNullException))] public void FromXml_SecurityElementNull () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); hash.FromXml (null, PolicyLevel.CreateAppDomainLevel ()); } [Test] public void FromXml_PolicyLevelNull () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); hash.FromXml (se, null); } [Test] public void GetHashCode_ () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); HashMembershipCondition copy = (HashMembershipCondition)hash.Copy (); Assert.AreEqual (hash.GetHashCode (), copy.GetHashCode ()); } [Test] public void ToString_ () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); Assert.IsTrue (hash.ToString ().StartsWith ("Hash - System.Security.Cryptography.MD5"), "MD5"); hash = new HashMembershipCondition (sha1, digestSha1); Assert.IsTrue (hash.ToString ().StartsWith ("Hash - System.Security.Cryptography.SHA1"), "SHA1"); } [Test] #if MOBILE [Ignore] #endif public void ToXml () { HashMembershipCondition hash = new HashMembershipCondition (md5, digestMd5); SecurityElement se = hash.ToXml (); Assert.AreEqual ("IMembershipCondition", se.Tag, "Tag"); Assert.IsTrue (se.Attribute ("class").StartsWith ("System.Security.Policy.HashMembershipCondition"), "class"); Assert.AreEqual ("1", se.Attribute ("version"), "version"); Assert.AreEqual (se.ToString (), hash.ToXml (null).ToString (), "ToXml(null)"); Assert.AreEqual (se.ToString (), hash.ToXml (PolicyLevel.CreateAppDomainLevel ()).ToString (), "ToXml(PolicyLevel)"); } } }