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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections;
using System.Reflection;
using System.Text;
using NUnit.Framework;
using OpenMetaverse;
using OpenSim.Framework;
namespace OpenSim.Data.Tests
{
public static class ScrambleForTesting
{
private static readonly Random random = new Random();
public static void Scramble(object obj)
{
PropertyInfo[] properties = obj.GetType().GetProperties();
foreach (var property in properties)
{
//Skip indexers of classes. We will assume that everything that has an indexer
// is also IEnumberable. May not always be true, but should be true normally.
if (property.GetIndexParameters().Length > 0)
continue;
RandomizeProperty(obj, property, null);
}
//Now if it implments IEnumberable, it's probably some kind of list, so we should randomize
// everything inside of it.
IEnumerable enumerable = obj as IEnumerable;
if (enumerable != null)
{
foreach (object value in enumerable)
{
Scramble(value);
}
}
}
private static void RandomizeProperty(object obj, PropertyInfo property, object[] index)
{
Type t = property.PropertyType;
if (!property.CanWrite)
return;
object value = property.GetValue(obj, index);
if (value == null)
return;
if (t == typeof (string))
property.SetValue(obj, RandomName(), index);
else if (t == typeof (UUID))
property.SetValue(obj, UUID.Random(), index);
else if (t == typeof (sbyte))
property.SetValue(obj, (sbyte)random.Next(sbyte.MinValue, sbyte.MaxValue), index);
else if (t == typeof (short))
property.SetValue(obj, (short)random.Next(short.MinValue, short.MaxValue), index);
else if (t == typeof (int))
property.SetValue(obj, random.Next(), index);
else if (t == typeof (long))
property.SetValue(obj, random.Next() * int.MaxValue, index);
else if (t == typeof (byte))
property.SetValue(obj, (byte)random.Next(byte.MinValue, byte.MaxValue), index);
else if (t == typeof (ushort))
property.SetValue(obj, (ushort)random.Next(ushort.MinValue, ushort.MaxValue), index);
else if (t == typeof (uint))
property.SetValue(obj, Convert.ToUInt32(random.Next()), index);
else if (t == typeof (ulong))
property.SetValue(obj, Convert.ToUInt64(random.Next()) * Convert.ToUInt64(UInt32.MaxValue), index);
else if (t == typeof (bool))
property.SetValue(obj, true, index);
else if (t == typeof (byte[]))
{
byte[] bytes = new byte[30];
random.NextBytes(bytes);
property.SetValue(obj, bytes, index);
}
else
Scramble(value);
}
private static string RandomName()
{
StringBuilder name = new StringBuilder();
int size = random.Next(5, 12);
for (int i = 0; i < size; i++)
{
char ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)));
name.Append(ch);
}
return name.ToString();
}
}
[TestFixture]
public class ScrableForTestingTest
{
[Test]
public void TestScramble()
{
AssetBase actual = new AssetBase(UUID.Random(), "asset one");
ScrambleForTesting.Scramble(actual);
}
}
}
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