public static void Assert(bool condition)
public static void Assert(string message, bool condition)

public static void AssertEquals(string message, object expected, object actual)
public static void AssertEquals(string message, float expected, float actual, float delta)
public static void AssertEquals(string message, double expected, double actual, double delta)
public static void AssertEquals(string message, int expected, int actual)
public static void AssertEquals(int expected, int actual)
public static void AssertEquals(object expected, object actual)
public static void AssertEquals(float expected, float actual, float delta)
public static void AssertEquals(double expected, double actual, double delta)

public static void AssertNotNull(string message, object anObject)
public static void AssertNotNull(object anObject)

public static void AssertNull(string message, object anObject)
public static void AssertNull(object anObject)

public static void AssertSame(string message, object expected, object actual)
public static void AssertSame(object expected, object actual)

public static void Fail(string message)
public static void Fail()

Assert.AreEqual( object expected, object actual );

Assert.AreNotEqual( object expected, object actual );

Assert.AreSame( object expected, object actual );
Assert.AreNotSame( object expected, object actual );

Assert.Contains( object anObject, IList collection );

Assert.IsTrue( bool condition );

Assert.IsFalse( bool condition);

Assert.IsNull( object anObject );

Assert.IsNotNull( object anObject );

Assert.IsNaN( double aDouble );

Assert.IsEmpty( string aString );
Assert.IsEmpty( ICollection collection );

Assert.IsNotEmpty( string aString );
Assert.IsNotEmpty( ICollection collection );

Assert.Greater( double arg1, double arg2 );
Assert.GreaterOrEqual( int arg1, int arg2 );
Assert.Less( int arg1, int arg2 );
Assert.LessOrEqual( int arg1, int arg2 );

Assert.IsInstanceOfType( Type expected, object actual );
Assert.IsNotInstanceOfType( Type expected, object actual );
Assert.IsAssignableFrom( Type expected, object actual );
Assert.IsNotAssignableFrom( Type expected, object actual );

Assert.Fail();
Assert.Ignore();

public void AssertStringContains( string expected, string actual,
   string message )
{
   if ( actual.IndexOf( expected ) < 0 )        
     Assert.Fail( message );
} 

StringAssert.Contains( string expected, string actual );
StringAssert.StartsWith( string expected, string actual );
StringAssert.EndsWith( string expected, string actual );
StringAssert.AreEqualIgnoringCase( string expected, string actual );
StringAssert.IsMatch( string expected, string actual );

FileAssert.AreEqual( Stream expected, Stream actual );
FileAssert.AreEqual( FileInfo expected, FileInfo actual );
FileAssert.AreEqual( string expected, string actual );

FileAssert.AreNotEqual( Stream expected, Stream actual );
FileAssert.AreNotEqual( FileInfo expected, FileInfo actual );
FileAssert.AreNotEqual( string expected, string actual );

CollectionAssert.AllItemsAreInstancesOfType( IEnumerable collection, Type expectedType );
CollectionAssert.AllItemsAreNotNull( IEnumerable collection );
CollectionAssert.AllItemsAreUnique( IEnumerable collection );
CollectionAssert.AreEqual( IEnumerable expected, IEnumerable actual );
CollectionAssert.AreEquivalent( IEnumerable expected, IEnumerable actual);
CollectionAssert.AreNotEqual( IEnumerable expected, IEnumerable actual );
CollectionAssert.AreNotEquivalent( IEnumerable expected,IEnumerable actual );
CollectionAssert.Contains( IEnumerable expected, object actual );
CollectionAssert.DoesNotContain( IEnumerable expected, object actual );
CollectionAssert.IsSubsetOf( IEnumerable subset, IEnumerable superset );
CollectionAssert.IsNotSubsetOf( IEnumerable subset, IEnumerable superset);
CollectionAssert.IsEmpty( IEnumerable collection );
CollectionAssert.IsNotEmpty( IEnumerable collection );