133 lines
2.7 KiB
C#
133 lines
2.7 KiB
C#
//
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// System.Runtime.Serialization.ObjectManagerTest.cs
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//
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// Author: Martin Baulig (martin@ximian.com)
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//
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// (C) Novell
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//
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using System;
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using System.IO;
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using System.Text;
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using System.Runtime.Serialization;
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using System.Runtime.Serialization.Formatters.Binary;
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using NUnit.Framework;
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namespace MonoTests.System.Runtime.Serialization
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{
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[TestFixture]
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public class ObjectManagerTest
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{
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[Test] // bug 76931
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public void TestSerialization ()
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{
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using (MemoryStream ms = new MemoryStream ()) {
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Bar bar = new Bar (8, 3, 5, 21);
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bar.Save (ms);
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ms.Position = 0;
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bar = Bar.Load (ms);
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Assert.AreEqual ("Bar [Foo (16),(Foo (6),Foo (10),Foo (42)]",
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bar.ToString (), "#1");
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}
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}
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}
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public class Foo
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{
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public int Data;
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public Foo (int data)
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{
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this.Data = data;
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}
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public override string ToString ()
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{
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return String.Format ("Foo ({0})", Data);
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}
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internal class SerializationSurrogate : ISerializationSurrogate
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{
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public void GetObjectData (object obj, SerializationInfo info, StreamingContext context)
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{
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Foo foo = (Foo) obj;
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info.AddValue ("data", foo.Data);
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}
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public object SetObjectData (object obj, SerializationInfo info,
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StreamingContext context,
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ISurrogateSelector selector)
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{
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Foo foo = (Foo) obj;
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foo.Data = info.GetInt32 ("data");
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return new Foo (2 * foo.Data);
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}
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}
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}
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[Serializable]
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public class Bar
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{
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public readonly Foo Foo;
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public readonly Foo[] Array;
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public Bar (int a, params int[] b)
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{
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Foo = new Foo (a);
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Array = new Foo[b.Length];
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for (int i = 0; i < b.Length; i++)
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Array[i] = new Foo (b[i]);
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}
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public void Save (Stream stream)
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{
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SurrogateSelector ss = new SurrogateSelector ();
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StreamingContext context = new StreamingContext (
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StreamingContextStates.Persistence, this);
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ss.AddSurrogate (typeof (Foo), context, new Foo.SerializationSurrogate ());
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BinaryFormatter formatter = new BinaryFormatter (ss, context);
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formatter.Serialize (stream, this);
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}
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public static Bar Load (Stream stream)
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{
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SurrogateSelector ss = new SurrogateSelector ();
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StreamingContext context = new StreamingContext (
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StreamingContextStates.Persistence, null);
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ss.AddSurrogate (typeof (Foo), context, new Foo.SerializationSurrogate ());
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BinaryFormatter formatter = new BinaryFormatter (ss, context);
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return (Bar) formatter.Deserialize (stream);
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}
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public override string ToString ()
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{
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StringBuilder sb = new StringBuilder ();
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sb.Append ("Bar [");
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sb.Append (Foo);
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sb.Append (",(");
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for (int i = 0; i < Array.Length; i++) {
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if (i > 0)
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sb.Append (",");
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sb.Append (Array[i]);
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}
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sb.Append ("]");
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return sb.ToString ();
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}
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}
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}
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