Improved tests

Author: papafe

src/MongoDB.Bson/Serialization/Serializers/BsonClassMapSerializer.cs

@@ -571,7 +571,7 @@ private object DeserializeMemberValue(BsonDeserializationContext context, BsonMe
         {
             try
             {
-                return memberMap.GetSerializer().Deserialize(context);
+                return memberMap.GetSerializer(context.Domain).Deserialize(context);
             }
             catch (Exception ex)
             {

tests/MongoDB.Driver.Tests/MultipleRegistriesTests.cs

@@ -25,7 +25,7 @@ namespace MongoDB.Driver.Tests
     public class MultipleRegistriesTests
     {
         [Fact]
-        public void GeneralTest()
+        public void TestSerialization()
         {
             // At the moment having this uncommented would make the test fail due to the static caching of class maps
             // {
@@ -73,13 +73,46 @@ public void GeneralTest()
             }
         }
 
+        [Fact]
+        public void TestDeserialization()
+        {
+            {
+                var client = DriverTestConfiguration.CreateMongoClient();
+                var db = client.GetDatabase(DriverTestConfiguration.DatabaseNamespace.DatabaseName);
+                db.DropCollection(DriverTestConfiguration.CollectionNamespace.CollectionName);
+                var collection = db.GetCollection<Person1>(DriverTestConfiguration.CollectionNamespace.CollectionName);
+
+                var person = new Person1 { Id = ObjectId.Parse("6797b56bf5495bf53aa3078f"), Name = "Mariotest", Age = 24 };
+                collection.InsertOne(person);
+            }
+
+            {
+                var customDomain = BsonSerializer.CreateDomain();
+                customDomain.RegisterSerializer(new CustomStringSerializer());
+
+                var client = DriverTestConfiguration.CreateMongoClient(c => c.SerializationDomain = customDomain);
+                var db = client.GetDatabase(DriverTestConfiguration.DatabaseNamespace.DatabaseName);
+                var collection = db.GetCollection<Person>(DriverTestConfiguration.CollectionNamespace.CollectionName);
+
+                var retrievedTyped = collection.FindSync("{}").ToList().Single();
+                Assert.Equal("Mario", retrievedTyped.Name);
+            }
+        }
+
         public class Person
         {
             [BsonId] public ObjectId Id { get; set; }
             public string Name { get; set; }
             public int Age { get; set; }
         }
 
+        public class Person1
+        {
+            [BsonId] public ObjectId Id { get; set; }
+            public string Name { get; set; }
+            public int Age { get; set; }
+        }
+
         public class CustomStringSerializer : SealedClassSerializerBase<string> //This serializer just adds "test" to any serialised string
         {
             /// <inheritdoc/>