Restored serialization for NET40

Author: mwhelan

src/TestStack.BDDfy/Processors/InconclusiveException.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Runtime.Serialization;
 
 namespace TestStack.BDDfy.Processors
 {
@@ -15,5 +16,11 @@ public InconclusiveException(string message) : base(message)
         public InconclusiveException(string message, Exception innerException) : base(message, innerException)
         {
         }
+#if NET40
+
+        protected InconclusiveException(SerializationInfo info, StreamingContext context) : base(info, context)
+        {
+        }
+#endif
     }
 }

src/TestStack.BDDfy/Processors/UnusedExampleException.cs

@@ -1,12 +1,23 @@
-namespace TestStack.BDDfy.Processors
-{
-    using System;
+using System;
+using System.Runtime.Serialization;
 
+namespace TestStack.BDDfy.Processors
+{
+    [Serializable]
     public class UnusedExampleException : Exception
     {
         public UnusedExampleException(ExampleValue unusedValue) :
             base(string.Format("Example Column '{0}' is unused, all examples should be consumed by the test (have you misspelt a field or property?)\r\n\r\n"
             + "If this is not the case, raise an issue at https://github.com/TestStack/TestStack.BDDfy/issues.", unusedValue.Header))
         { }
+#if NET40
+
+        protected UnusedExampleException(
+            SerializationInfo info,
+            StreamingContext context)
+            : base(info, context)
+        {
+        }
+#endif
     }
 }

src/TestStack.BDDfy/Scanners/StepScanners/Examples/UnassignableExampleException.cs

@@ -1,14 +1,24 @@
 using System;
+using System.Runtime.Serialization;
 
 namespace TestStack.BDDfy
 {
+    [Serializable]
     public class UnassignableExampleException : Exception
     {
         public UnassignableExampleException(string message, Exception inner, ExampleValue exampleValue) : base(message, inner)
         {
             ExampleValue = exampleValue;
         }
+#if NET40
 
+        protected UnassignableExampleException(
+            SerializationInfo info,
+            StreamingContext context) : base(info, context)
+        {
+        }
+
+#endif
         public ExampleValue ExampleValue { get; private set; }
     }
 }

src/TestStack.BDDfy/Scanners/StepScanners/StepTitleException.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Runtime.Serialization;
 
 namespace TestStack.BDDfy
 {
@@ -15,5 +16,12 @@ public StepTitleException(string message) : base(message)
         public StepTitleException(string message, Exception innerException) : base(message, innerException)
         {
         }
+ #if NET40
+
+       protected StepTitleException(SerializationInfo info, StreamingContext context)
+            : base(info, context)
+        {
+        }
+#endif
     }
 }

src/TestStack.BDDfy/SerializableAttribute.cs

@@ -0,0 +1,10 @@
+#if NET40
+
+#else
+namespace System.Runtime.Serialization
+{
+    public class SerializableAttribute : Attribute
+    {
+    }
+}
+#endif