Changing profile name and adding a test for configuration

Author: jbogard

src/AutoMapper/Configuration/MapperConfigurationExpression.cs

@@ -86,7 +86,7 @@ public void AddMaps(params Type[] typesFromAssembliesContainingMappingDefinition
         private void AddMapsCore(IEnumerable<Assembly> assembliesToScan)
         {
             var allTypes = assembliesToScan.Where(a => !a.IsDynamic).SelectMany(a => a.GetDefinedTypes()).ToArray();
-            var autoMapAttributeProfile = new NamedProfile("AutoMapAttributeProfile");
+            var autoMapAttributeProfile = new NamedProfile(nameof(AutoMapAttribute));
 
             foreach (var type in allTypes)
             {

src/UnitTests/AttributeBasedMaps.cs

@@ -36,7 +36,7 @@ public void Should_map()
             [Fact]
             public void Should_validate_successfully()
             {
-                typeof(AutoMapperConfigurationException).ShouldNotBeThrownBy(() => Configuration.AssertConfigurationIsValid("AutoMapAttributeProfile"));
+                typeof(AutoMapperConfigurationException).ShouldNotBeThrownBy(() => Configuration.AssertConfigurationIsValid(nameof(AutoMapAttribute)));
             }
         }
 
@@ -71,7 +71,35 @@ public void Should_reverse_map()
             [Fact]
             public void Should_validate_successfully()
             {
-                typeof(AutoMapperConfigurationException).ShouldNotBeThrownBy(() => Configuration.AssertConfigurationIsValid("AutoMapAttributeProfile"));
+                typeof(AutoMapperConfigurationException).ShouldNotBeThrownBy(() => Configuration.AssertConfigurationIsValid(nameof(AutoMapAttribute)));
+            }
+        }
+
+        public class When_duplicating_map_configuration_with_code_and_attribute : NonValidatingSpecBase
+        {
+            public class Source
+            {
+                public int Value { get; set; }
+            }
+
+            [AutoMap(typeof(Source))]
+            public class Dest
+            {
+                public int Value { get; set; }
+            }
+
+            protected override MapperConfiguration Configuration { get; } = new MapperConfiguration(cfg =>
+            {
+                cfg.CreateMissingTypeMaps = false;
+                cfg.AddMaps(typeof(When_specifying_map_and_reverse_map_with_attribute));
+                cfg.CreateMap<Source, Dest>();
+            });
+
+            [Fact]
+            public void Should_not_validate_successfully()
+            {
+                typeof(DuplicateTypeMapConfigurationException).ShouldBeThrownBy(() => Configuration.AssertConfigurationIsValid());
+
             }
         }
     }