102 lines
3.8 KiB
C#
102 lines
3.8 KiB
C#
using System;
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using System.Collections;
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using System.Reflection;
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using System.Text;
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using NUnit.Framework;
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using OpenMetaverse;
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using OpenSim.Framework;
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namespace OpenSim.Data.Tests
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{
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public static class ScrambleForTesting
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{
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private static readonly Random random = new Random();
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public static void Scramble(object obj)
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{
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PropertyInfo[] properties = obj.GetType().GetProperties();
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foreach (var property in properties)
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{
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//Skip indexers of classes. We will assume that everything that has an indexer
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// is also IEnumberable. May not always be true, but should be true normally.
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if(property.GetIndexParameters().Length > 0)
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continue;
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RandomizeProperty(obj, property, null);
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}
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//Now if it implments IEnumberable, it's probably some kind of list, so we should randomize
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// everything inside of it.
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IEnumerable enumerable = obj as IEnumerable;
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if(enumerable != null)
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{
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foreach (object value in enumerable)
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{
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Scramble(value);
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}
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}
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}
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private static void RandomizeProperty(object obj, PropertyInfo property, object[] index)
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{
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Type t = property.PropertyType;
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if (!property.CanWrite)
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return;
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object value = property.GetValue(obj, index);
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if (value == null)
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return;
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if (t == typeof (string))
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property.SetValue(obj, RandomName(), index);
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else if (t == typeof (UUID))
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property.SetValue(obj, UUID.Random(), index);
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else if (t == typeof (sbyte))
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property.SetValue(obj, (sbyte)random.Next(sbyte.MinValue, sbyte.MaxValue), index);
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else if (t == typeof (short))
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property.SetValue(obj, (short)random.Next(short.MinValue, short.MaxValue), index);
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else if (t == typeof (int))
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property.SetValue(obj, random.Next(), index);
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else if (t == typeof (long))
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property.SetValue(obj, random.Next() * int.MaxValue, index);
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else if (t == typeof (byte))
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property.SetValue(obj, (byte)random.Next(byte.MinValue, byte.MaxValue), index);
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else if (t == typeof (ushort))
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property.SetValue(obj, (ushort)random.Next(ushort.MinValue, ushort.MaxValue), index);
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else if (t == typeof (uint))
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property.SetValue(obj, Convert.ToUInt32(random.Next()), index);
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else if (t == typeof (ulong))
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property.SetValue(obj, Convert.ToUInt64(random.Next()) * Convert.ToUInt64(UInt32.MaxValue), index);
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else if (t == typeof (bool))
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property.SetValue(obj, true, index);
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else if (t == typeof (byte[]))
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{
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byte[] bytes = new byte[30];
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random.NextBytes(bytes);
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property.SetValue(obj, bytes, index);
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}
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else
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Scramble(value);
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}
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private static string RandomName()
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{
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StringBuilder name = new StringBuilder();
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int size = random.Next(5, 12);
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for (int i = 0; i < size; i++)
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{
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char ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)));
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name.Append(ch);
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}
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return name.ToString();
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}
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}
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[TestFixture]
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public class ScrableForTestingTest
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{
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[Test]
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public void TestScramble()
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{
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AssetBase actual = new AssetBase(UUID.Random(), "asset one");
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ScrambleForTesting.Scramble(actual);
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}
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}
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} |