mcs/class/System.Runtime.Serialization/Test/System.Runtime.Serialization/DataContractSerializerTest_ISerializable.cs

   1 //
   2 // DataContractSerializerTest_ISerializable.cs
   3 //
   4 // Author:
   5 //   Aaron Bockover <abock@xamarin.com>
   6 //
   7 // Copyright 2015 Xamarin Inc. All rights reserved.
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 using System;
  29 using System.IO;
  30 using System.Runtime.Serialization;
  31 using System.Xml;
  32
  33 using NUnit.Framework;
  34
  35 namespace MonoTests.System.Runtime.Serialization
  36 {
  37         [TestFixture]
  38         public class DataContractSerializerTest_ISerializable
  39         {
  40                 [Serializable]
  41                 sealed class TestClassISerializable : ISerializable
  42                 {
  43                         public string Foo { get; }
  44
  45                         public TestClassISerializable (string foo)
  46                         {
  47                                 Foo = foo;
  48                         }
  49
  50                         TestClassISerializable (SerializationInfo info, StreamingContext context)
  51                         {
  52                                 Foo = info.GetString ("foo");
  53                         }
  54
  55                         void ISerializable.GetObjectData (SerializationInfo info, StreamingContext context)
  56                         {
  57                                 info.AddValue ("foo", Foo);
  58                         }
  59                 }
  60
  61                 // Tests that the ISerializable constructor is properly invoked, which
  62                 // regressed when integrating MS Reference Source DCS, et. al.:
  63                 //   https://bugzilla.xamarin.com/show_bug.cgi?id=37171
  64                 [Test]
  65                 public void TestISerializableCtor ()
  66                 {
  67                         var serializer = new DataContractSerializer (
  68                                 typeof(TestClassISerializable),
  69                                 new DataContractSerializerSettings {
  70                                         DataContractResolver = new Resolver ()
  71                                 }
  72                         );
  73
  74                         var stream = new MemoryStream ();
  75
  76                         var expected = new TestClassISerializable ("hello world");
  77                         serializer.WriteObject (stream, expected);
  78
  79                         stream.Flush ();
  80                         stream.Position = 0;
  81
  82                         var actual = (TestClassISerializable)serializer.ReadObject (stream);
  83
  84                         Assert.AreEqual (expected.Foo, actual.Foo, "#DCS_ISer_Ctor");
  85                 }
  86
  87                 // Resolver to force DCS to serialize any type, ensuring the ISerializable
  88                 // path will be taken for objects implementing that interface
  89                 class Resolver : DataContractResolver
  90                 {
  91                         public override Type ResolveName (string typeName, string typeNamespace,
  92                                 Type declaredType, DataContractResolver knownTypeResolver)
  93                         {
  94                                 return Type.GetType (typeNamespace == null
  95                                         ? typeName
  96                                         : typeNamespace + "." + typeName
  97                                 );
  98                         }
  99
 100                         public override bool TryResolveType (Type type, Type declaredType,
 101                                 DataContractResolver knownTypeResolver,
 102                                 out XmlDictionaryString typeName,
 103                                 out XmlDictionaryString typeNamespace)
 104                         {
 105                                 var name = type.FullName;
 106                                 var namesp = type.Namespace;
 107                                 name = name.Substring (type.Namespace.Length + 1);
 108                                 typeName = new XmlDictionaryString (XmlDictionary.Empty, name, 0);
 109                                 typeNamespace = new XmlDictionaryString (XmlDictionary.Empty, namesp, 0);
 110                                 return true;
 111                         }
 112                 }
 113         }
 114 }