mcs/class/corlib/Test/System.Runtime.Serialization.Formatters.Binary/BinaryFormatterTest.cs

   1 //
   2 // BinaryFormatterTest.cs - Unit tests for
   3 //      System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
   4 //
   5 // Author:
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.IO;
  32 using System.Runtime.Serialization;
  33 using System.Runtime.Serialization.Formatters;
  34 using System.Runtime.Serialization.Formatters.Binary;
  35
  36 using NUnit.Framework;
  37
  38 namespace MonoTests.System.Runtime.Serialization.Formatters.Binary {
  39
  40         [Serializable]
  41         public class SerializationTest {
  42                 private int integer;
  43                 [NonSerialized]
  44                 private bool boolean;
  45
  46                 public SerializationTest (bool b, int i)
  47                 {
  48                         boolean = b;
  49                         integer = i;
  50                 }
  51
  52                 public bool Boolean {
  53                         get { return boolean; }
  54                         set { boolean = value; }
  55                 }
  56
  57                 public int Integer {
  58                         get { return integer; }
  59                         set { integer = value; }
  60                 }
  61         }
  62
  63         class SurrogateSelector: ISurrogateSelector {
  64                 public void ChainSelector (ISurrogateSelector selector)
  65                 {
  66                 }
  67
  68                 public ISurrogateSelector GetNextSelector ()
  69                 {
  70                         return null;
  71                 }
  72
  73                 public ISerializationSurrogate GetSurrogate (Type type, StreamingContext context, out ISurrogateSelector selector)
  74                 {
  75                         selector = null;
  76                         return null;
  77                 }
  78         }
  79
  80         [Serializable]
  81         sealed class ThisObjectReference : IObjectReference
  82         {
  83                 internal static int Count;
  84
  85                 internal ThisObjectReference()
  86                 {
  87                 }
  88
  89                 public object GetRealObject(StreamingContext context)
  90                 {
  91                         Count++;
  92                         return this;
  93                 }
  94         }
  95
  96         [Serializable]
  97         sealed class NewObjectReference : IObjectReference
  98         {
  99                 internal static int Count;
 100
 101                 internal NewObjectReference()
 102                 {
 103                 }
 104
 105                 public object GetRealObject(StreamingContext context)
 106                 {
 107                         Count++;
 108                         return new NewObjectReference();
 109                 }
 110         }
 111
 112         [TestFixture]
 113         public class BinaryFormatterTest {
 114
 115                 [Test]
 116                 public void Constructor_Default ()
 117                 {
 118                         BinaryFormatter bf = new BinaryFormatter ();
 119 #if NET_2_0
 120                         Assert.AreEqual (FormatterAssemblyStyle.Simple, bf.AssemblyFormat, "AssemblyFormat");
 121 #else
 122                         Assert.AreEqual (FormatterAssemblyStyle.Full, bf.AssemblyFormat, "AssemblyFormat");
 123 #endif
 124                         Assert.IsNull (bf.Binder, "Binder");
 125                         Assert.AreEqual (StreamingContextStates.All, bf.Context.State, "Context");
 126                         Assert.AreEqual (TypeFilterLevel.Full, bf.FilterLevel, "FilterLevel");
 127                         Assert.IsNull (bf.SurrogateSelector, "SurrogateSelector");
 128                         Assert.AreEqual (FormatterTypeStyle.TypesAlways, bf.TypeFormat, "TypeFormat");
 129                 }
 130
 131                 [Test]
 132                 public void Constructor ()
 133                 {
 134                         SurrogateSelector ss = new SurrogateSelector ();
 135                         BinaryFormatter bf = new BinaryFormatter (ss, new StreamingContext (StreamingContextStates.CrossMachine));
 136 #if NET_2_0
 137                         Assert.AreEqual (FormatterAssemblyStyle.Simple, bf.AssemblyFormat, "AssemblyFormat");
 138 #else
 139                         Assert.AreEqual (FormatterAssemblyStyle.Full, bf.AssemblyFormat, "AssemblyFormat");
 140 #endif
 141                         Assert.IsNull (bf.Binder, "Binder");
 142                         Assert.AreEqual (StreamingContextStates.CrossMachine, bf.Context.State, "Context");
 143                         Assert.AreEqual (TypeFilterLevel.Full, bf.FilterLevel, "FilterLevel");
 144                         Assert.AreSame (ss, bf.SurrogateSelector, "SurrogateSelector");
 145                         Assert.AreEqual (FormatterTypeStyle.TypesAlways, bf.TypeFormat, "TypeFormat");
 146                 }
 147
 148                 public Stream GetSerializedStream ()
 149                 {
 150                         SerializationTest test = new SerializationTest (true, Int32.MinValue);
 151                         BinaryFormatter bf = new BinaryFormatter ();
 152                         MemoryStream ms = new MemoryStream ();
 153                         bf.Serialize (ms, test);
 154                         ms.Position = 0;
 155                         return ms;
 156                 }
 157
 158                 [Test]
 159                 public void SerializationRoundtrip ()
 160                 {
 161                         Stream s = GetSerializedStream ();
 162                         BinaryFormatter bf = new BinaryFormatter ();
 163                         SerializationTest clone = (SerializationTest) bf.Deserialize (s);
 164                         Assert.AreEqual (Int32.MinValue, clone.Integer, "Integer");
 165                         Assert.IsFalse (clone.Boolean, "Boolean");
 166                 }
 167
 168                 [Test]
 169                 public void SerializationUnsafeRoundtrip ()
 170                 {
 171                         Stream s = GetSerializedStream ();
 172                         BinaryFormatter bf = new BinaryFormatter ();
 173                         SerializationTest clone = (SerializationTest) bf.UnsafeDeserialize (s, null);
 174                         Assert.AreEqual (Int32.MinValue, clone.Integer, "Integer");
 175                         Assert.IsFalse (clone.Boolean, "Boolean");
 176                 }
 177
 178                 [Test]
 179                 public void NestedObjectReference ()
 180                 {
 181                         MemoryStream ms = new MemoryStream();
 182                         BinaryFormatter bf = new BinaryFormatter();
 183
 184                         bf.Serialize(ms, new ThisObjectReference());
 185                         bf.Serialize(ms, new NewObjectReference());
 186                         ms.Position = 0;
 187                         Assert.AreEqual (0, ThisObjectReference.Count, "#1");
 188
 189                         bf.Deserialize(ms);
 190                         Assert.AreEqual (2, ThisObjectReference.Count, "#2");
 191                         Assert.AreEqual (0, NewObjectReference.Count, "#3");
 192                         try
 193                         {
 194                                 bf.Deserialize(ms);
 195                         }
 196                         catch (SerializationException e)
 197                         {
 198                         }
 199                         Assert.AreEqual (101, NewObjectReference.Count, "#4");
 200                 }
 201
 202                 [Test]
 203                 public void DateTimeArray ()
 204                 {
 205                         DateTime [] e = new DateTime [6];
 206                         string [] names = new string [6];
 207
 208                         names [0] = "Today";  e [0] = DateTime.Today;
 209                         names [1] = "Min";    e [1] = DateTime.MinValue;
 210                         names [2] = "Max";    e [2] = DateTime.MaxValue;
 211                         names [3] = "BiCent"; e [3] = new DateTime (1976, 07, 04);
 212                         names [4] = "Now";    e [4] = DateTime.Now;
 213                         names [5] = "UtcNow"; e [5] = DateTime.UtcNow;
 214
 215                         BinaryFormatter bf = new BinaryFormatter ();
 216                         MemoryStream ms = new MemoryStream ();
 217
 218                         bf.Serialize (ms, e);
 219
 220                         ms.Position = 0;
 221                         DateTime [] a = (DateTime []) bf.Deserialize (ms);
 222
 223                         Assert.AreEqual (e.Length, a.Length);
 224                         for (int i = 0; i < e.Length; ++i)
 225                                 Assert.AreEqual (e [i], a [i], names [i]);
 226                 }
 227         }
 228 }