[Dotgnu-pnet-commits] CVS: pnetlib/tests/runtime/System ExceptionTester.cs,NONE,1.1

[Rhys Weatherley <address@hidden>]

Update of /cvsroot/dotgnu-pnet/pnetlib/tests/runtime/System
In directory subversions:/tmp/cvs-serv3644/tests/runtime/System

Added Files:
        ExceptionTester.cs 
Log Message:


Test cases for most of the System.Runtime.InteropServices classes.


--- NEW FILE ---
/*
 * ExceptionTester.cs - Test common exception functionality.
 *
 * Copyright (C) 2003  Southern Storm Software, Pty Ltd.
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

using CSUnit;
using System;
using System.Reflection;
using System.Runtime.Serialization;

// This isn't actually a test class.  It provides utility methods
// for other test classes.  It inherits from TestCase so that we
// pick up the "AssertXXX" methods.

public class ExceptionTester : TestCase
{
        // Constructor.
        public ExceptionTester(String name)
                        : base(name)
                        {
                                // Nothing to do here.
                        }

        // Set up for the tests.
        protected override void Setup()
                        {
                                // Nothing to do here.
                        }

        // Clean up after the tests.
        protected override void Cleanup()
                        {
                                // Nothing to do here.
                        }

#if CONFIG_SERIALIZATION

        // Extract the HResult from an exception object.  We have to
        // do it this way because HResult is "protected".
        public static int GetHResult(Exception e)
                        {
                                SerializationInfo info =
                                        new SerializationInfo(typeof(Exception),
                                                                                
  new FormatterConverter());
                                StreamingContext context = new 
StreamingContext();
                                e.GetObjectData(info, context);
                                return info.GetInt32("HResult");
                        }

#endif // CONFIG_SERIALIZATION

        // Check the three main constructors that most exception classes have.
        public static void CheckMain(Type exceptionType, int hresult)
                        {
                                ConstructorInfo ctor;
                                Exception e;
                                Exception e2;
                                Exception e3;

                                // Test the zero-argument constructor.
                                ctor = exceptionType.GetConstructor(new Type 
[0]);
                                AssertNotNull(ctor);
                                e = (Exception)(ctor.Invoke(new Object [0]));
                                AssertNotNull("Msg (1)", e.Message);
                        #if CONFIG_SERIALIZATION
                                if(hresult != 0)
                                {
                                        AssertEquals("HResult (1)", hresult, 
GetHResult(e));
                                }
                        #endif
                                AssertSame("BaseException (1)", e, 
e.GetBaseException());
                                AssertNull("InnerException (1)", 
e.InnerException);

                                // Test the single-argument constructor with a 
null message.
                                ctor = exceptionType.GetConstructor
                                        (new Type [] { typeof(String) });
                                AssertNotNull(ctor);
                                e = (Exception)(ctor.Invoke(new Object [] { 
null }));
                                AssertNotNull("Msg (2)", e.Message);
                        #if CONFIG_SERIALIZATION
                                if(hresult != 0)
                                {
                                        AssertEquals("HResult (2)", hresult, 
GetHResult(e));
                                }
                        #endif
                                AssertSame("BaseException (2)", e, 
e.GetBaseException());
                                AssertNull("InnerException (2)", 
e.InnerException);

                                // Test the single-argument constructor with a 
given message.
                                e = (Exception)(ctor.Invoke(new Object [] { 
"foobar" }));
                                AssertEquals("Msg (3)", "foobar", e.Message);
                        #if CONFIG_SERIALIZATION
                                if(hresult != 0)
                                {
                                        AssertEquals("HResult (3)", hresult, 
GetHResult(e));
                                }
                        #endif
                                AssertSame("BaseException (3)", e, 
e.GetBaseException());
                                AssertNull("InnerException (3)", 
e.InnerException);

                                // Test the double-argument constructor with 
null values.
                                ctor = exceptionType.GetConstructor
                                        (new Type [] { typeof(String), 
typeof(Exception) });
                                AssertNotNull(ctor);
                                e = (Exception)(ctor.Invoke(new Object [] { 
null, null }));
                                AssertNotNull("Msg (4)", e.Message);
                        #if CONFIG_SERIALIZATION
                                if(hresult != 0)
                                {
                                        AssertEquals("HResult (4)", hresult, 
GetHResult(e));
                                }
                        #endif
                                AssertSame("BaseException (4)", e, 
e.GetBaseException());
                                AssertNull("InnerException (4)", 
e.InnerException);

                                // Test the double-argument constructor with a 
message.
                                e = (Exception)(ctor.Invoke(new Object [] { 
"foobar", null }));
                                AssertEquals("Msg (5)", "foobar", e.Message);
                        #if CONFIG_SERIALIZATION
                                if(hresult != 0)
                                {
                                        AssertEquals("HResult (5)", hresult, 
GetHResult(e));
                                }
                        #endif
                                AssertSame("BaseException (5)", e, 
e.GetBaseException());
                                AssertNull("InnerException (5)", 
e.InnerException);

                                // Test the double-argument constructor with an 
inner exception.
                                e2 = e;
                                e = (Exception)(ctor.Invoke(new Object [] { 
"foobar", e2 }));
                                AssertEquals("Msg (6)", "foobar", e.Message);
                        #if CONFIG_SERIALIZATION
                                if(hresult != 0)
                                {
                                        AssertEquals("HResult (6)", hresult, 
GetHResult(e));
                                }
                        #endif
                                AssertSame("BaseException (6)", e2, 
e.GetBaseException());
                                AssertSame("InnerException (6)", e2, 
e.InnerException);

                                // Test two levels of inner exception.
                                e3 = e;
                                e = (Exception)(ctor.Invoke(new Object [] { 
"foobar", e3 }));
                                AssertEquals("Msg (7)", "foobar", e.Message);
                        #if CONFIG_SERIALIZATION
                                if(hresult != 0)
                                {
                                        AssertEquals("HResult (7)", hresult, 
GetHResult(e));
                                }
                        #endif
                                AssertSame("BaseException (7)", e2, 
e.GetBaseException());
                                AssertSame("InnerException (7)", e3, 
e.InnerException);
                        }

}; // class ExceptionTester