// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
-// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+// Copyright (C) 2004, 2006, 2007 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
// be tested here (but will be in its descendants).
[TestFixture]
-public class HashAlgorithmTest : Assertion {
+public class HashAlgorithmTest {
+
protected HashAlgorithm hash;
[SetUp]
- protected virtual void SetUp ()
+ public virtual void SetUp ()
{
hash = HashAlgorithm.Create ();
}
- public void AssertEquals (string msg, byte[] array1, byte[] array2)
- {
- AllTests.AssertEquals (msg, array1, array2);
- }
-
// Note: These tests will only be valid without a "machine.config" file
// or a "machine.config" file that do not modify the default algorithm
// configuration.
public virtual void Create ()
{
// try the default hash algorithm (created in SetUp)
- AssertEquals( "HashAlgorithm.Create()", defaultHash, hash.ToString());
+ Assert.AreEqual (defaultHash, hash.ToString (), "HashAlgorithm.Create()");
// try to build all hash algorithms
hash = HashAlgorithm.Create ("SHA");
- AssertEquals ("HashAlgorithm.Create('SHA')", defaultSHA1, hash.ToString ());
+ Assert.AreEqual (defaultSHA1, hash.ToString (), "HashAlgorithm.Create('SHA')");
hash = HashAlgorithm.Create ("SHA1");
- AssertEquals ("HashAlgorithm.Create('SHA1')", defaultSHA1, hash.ToString ());
+ Assert.AreEqual (defaultSHA1, hash.ToString (), "HashAlgorithm.Create('SHA1')");
hash = HashAlgorithm.Create ("System.Security.Cryptography.SHA1");
- AssertEquals ("HashAlgorithm.Create('System.Security.Cryptography.SHA1')", defaultSHA1, hash.ToString ());
+ Assert.AreEqual (defaultSHA1, hash.ToString (), "HashAlgorithm.Create('System.Security.Cryptography.SHA1')");
hash = HashAlgorithm.Create ("System.Security.Cryptography.HashAlgorithm" );
- AssertEquals ("HashAlgorithm.Create('System.Security.Cryptography.HashAlgorithm')", defaultHash, hash.ToString ());
+ Assert.AreEqual (defaultHash, hash.ToString (), "HashAlgorithm.Create('System.Security.Cryptography.HashAlgorithm')");
hash = HashAlgorithm.Create ("MD5");
- AssertEquals ("HashAlgorithm.Create('MD5')", defaultMD5, hash.ToString ());
+ Assert.AreEqual (defaultMD5, hash.ToString (), "HashAlgorithm.Create('MD5')");
hash = HashAlgorithm.Create ("System.Security.Cryptography.MD5");
- AssertEquals ("HashAlgorithm.Create('System.Security.Cryptography.MD5')", defaultMD5, hash.ToString ());
+ Assert.AreEqual (defaultMD5, hash.ToString (), "HashAlgorithm.Create('System.Security.Cryptography.MD5')");
hash = HashAlgorithm.Create ("SHA256");
- AssertEquals ("HashAlgorithm.Create('SHA256')", defaultSHA256, hash.ToString ());
+ Assert.AreEqual (defaultSHA256, hash.ToString (), "HashAlgorithm.Create('SHA256')");
hash = HashAlgorithm.Create ("SHA-256");
- AssertEquals ("HashAlgorithm.Create('SHA-256')", defaultSHA256, hash.ToString ());
+ Assert.AreEqual (defaultSHA256, hash.ToString (), "HashAlgorithm.Create('SHA-256')");
hash = HashAlgorithm.Create ("System.Security.Cryptography.SHA256");
- AssertEquals ("HashAlgorithm.Create('System.Security.Cryptography.SHA256')", defaultSHA256, hash.ToString ());
+ Assert.AreEqual (defaultSHA256, hash.ToString (), "HashAlgorithm.Create('System.Security.Cryptography.SHA256')");
hash = HashAlgorithm.Create ("SHA384");
- AssertEquals ("HashAlgorithm.Create('SHA384')", defaultSHA384, hash.ToString ());
+ Assert.AreEqual (defaultSHA384, hash.ToString (), "HashAlgorithm.Create('SHA384')");
hash = HashAlgorithm.Create ("SHA-384");
- AssertEquals ("HashAlgorithm.Create('SHA-384')", defaultSHA384, hash.ToString ());
+ Assert.AreEqual (defaultSHA384, hash.ToString (), "HashAlgorithm.Create('SHA-384')");
hash = HashAlgorithm.Create ("System.Security.Cryptography.SHA384");
- AssertEquals ("HashAlgorithm.Create('System.Security.Cryptography.SHA384')", defaultSHA384, hash.ToString ());
+ Assert.AreEqual (defaultSHA384, hash.ToString (), "HashAlgorithm.Create('System.Security.Cryptography.SHA384')");
hash = HashAlgorithm.Create ("SHA512");
- AssertEquals ("HashAlgorithm.Create('SHA512')", defaultSHA512, hash.ToString ());
+ Assert.AreEqual (defaultSHA512, hash.ToString (), "HashAlgorithm.Create('SHA512')");
hash = HashAlgorithm.Create ("SHA-512");
- AssertEquals ("HashAlgorithm.Create('SHA-512')", defaultSHA512, hash.ToString ());
+ Assert.AreEqual (defaultSHA512, hash.ToString (), "HashAlgorithm.Create('SHA-512')");
hash = HashAlgorithm.Create ("System.Security.Cryptography.SHA512");
- AssertEquals ("HashAlgorithm.Create('System.Security.Cryptography.SHA512')", defaultSHA512, hash.ToString ());
+ Assert.AreEqual (defaultSHA512, hash.ToString (), "HashAlgorithm.Create('System.Security.Cryptography.SHA512')");
// try to build invalid implementation
hash = HashAlgorithm.Create ("InvalidHash");
- AssertNull ("HashAlgorithm.Create('InvalidHash')", hash);
+ Assert.IsNull (hash, "HashAlgorithm.Create('InvalidHash')");
}
[Test]
public void NullStream ()
{
Stream s = null;
- byte[] result = hash.ComputeHash (s);
+ hash.ComputeHash (s);
}
[Test]
public void Disposable ()
{
using (HashAlgorithm hash = HashAlgorithm.Create ()) {
- byte[] data = hash.ComputeHash (new byte [0]);
+ hash.ComputeHash (new byte [0]);
}
}
}
[Test]
- [ExpectedException (typeof (ArgumentNullException))]
-#if ! NET_2_0
+#if ONLY_1_1
[Category ("NotDotNet")] // System.ExecutionEngineException on MS runtime (1.1)
#endif
public void TransformBlock_OutputBuffer_Null ()
byte[] input = new byte [8];
hash.TransformFinalBlock (input, 0, Int32.MaxValue);
}
+
+ public virtual bool ManagedHashImplementation {
+ get { return false; }
+ }
+#if !NET_2_1
+ [Test]
+ [Category ("NotWorking")] // Mono nevers throws an exception (and we're all managed ;-)
+ public void TransformFinalBlock_Twice ()
+ {
+ bool exception = false;
+ byte[] input = new byte [8];
+ hash.TransformFinalBlock (input, 0, input.Length);
+ try {
+ hash.TransformFinalBlock (input, 0, input.Length);
+ }
+ catch (CryptographicException) {
+ exception = true;
+ if (ManagedHashImplementation)
+ Assert.Fail ("*Managed don't throw CryptographicException");
+ }
+ if (!ManagedHashImplementation && !exception)
+ Assert.Fail ("Expected CryptographicException from non *Managed classes");
+ }
+
+ [Test]
+ [Category ("NotWorking")] // Mono nevers throws an exception (and we're all managed ;-)
+ public void TransformFinalBlock_TransformBlock ()
+ {
+ bool exception = false;
+ byte[] input = new byte[8];
+ hash.TransformFinalBlock (input, 0, input.Length);
+ try {
+ hash.TransformBlock (input, 0, input.Length, input, 0);
+ }
+ catch (CryptographicException) {
+ exception = true;
+ if (ManagedHashImplementation)
+ Assert.Fail ("*Managed don't throw CryptographicException");
+ }
+ if (!ManagedHashImplementation && !exception)
+ Assert.Fail ("Expected CryptographicException from non *Managed classes");
+ }
+#endif
+ [Test]
+ public void TransformFinalBlock_Twice_Initialize ()
+ {
+ byte[] input = new byte[8];
+ hash.TransformFinalBlock (input, 0, input.Length);
+ hash.Initialize ();
+ hash.TransformFinalBlock (input, 0, input.Length);
+ }
+
+ [Test]
+ public void TransformFinalBlock_ReturnedBuffer ()
+ {
+ byte[] input = new byte[8];
+ byte[] output = hash.TransformFinalBlock (input, 0, input.Length);
+ Assert.AreEqual (input, output, "buffer");
+ output[0] = 1;
+ Assert.AreEqual (0, input[0], "0"); // output is a copy (not a reference)
+ }
+
+ private byte[] HashBuffer (bool intersect)
+ {
+ byte[] buffer = new byte [256];
+ for (int i = 0; i < buffer.Length; i++)
+ buffer [i] = (byte) i;
+
+ hash.Initialize ();
+ // ok
+ hash.TransformBlock (buffer, 0, 64, buffer, 0);
+ // bad - we rewrite the beginning of the buffer
+ hash.TransformBlock (buffer, 64, 128, buffer, intersect ? 0 : 64);
+ // ok
+ hash.TransformFinalBlock (buffer, 192, 64);
+ return hash.Hash;
+ }
+
+ [Test]
+ public void InputOutputIntersection ()
+ {
+ Assert.AreEqual (HashBuffer (false), HashBuffer (true), "Intersect");
+ }
+#if !NET_2_1
+ [Test]
+ [ExpectedException (typeof (NullReferenceException))]
+ [Category ("NotWorking")] // initialization problem ? fx2.0 only ?
+ public void Hash_AfterInitialize_FirstTime ()
+ {
+ hash.Initialize ();
+ // getting the property throws
+ Assert.IsNull (hash.Hash);
+ }
+#endif
+ [Test]
+ [ExpectedException (typeof (CryptographicUnexpectedOperationException))]
+ public void Hash_AfterInitialize_SecondTime ()
+ {
+ byte[] input = new byte[8];
+ hash.Initialize ();
+ hash.TransformBlock (input, 0, input.Length, input, 0);
+ hash.Initialize ();
+ // getting the property throws
+ Assert.IsNull (hash.Hash);
+ }
+
+ [Test]
+ [ExpectedException (typeof (CryptographicUnexpectedOperationException))]
+ public void Hash_AfterTransformBlock ()
+ {
+ byte[] input = new byte[8];
+ hash.Initialize ();
+ hash.TransformBlock (input, 0, input.Length, input, 0);
+ // getting the property throws
+ Assert.IsNull (hash.Hash);
+ }
+
+ [Test]
+ public void Hash_AfterTransformFinalBlock ()
+ {
+ byte[] input = new byte[8];
+ hash.Initialize ();
+ hash.TransformFinalBlock (input, 0, input.Length);
+ Assert.IsNotNull (hash.Hash);
+ }
}
}