keep looking for matching maps, even when we cached a negative match

Author: lbargaoanu

src/AutoMapper/AutoMapper.csproj

@@ -14,7 +14,7 @@
     <PackageProjectUrl>https://automapper.org</PackageProjectUrl>
     <PackageReadmeFile>README.md</PackageReadmeFile>
 
-    <MinVerDefaultPreReleasePhase>preview</MinVerDefaultPreReleasePhase>
+    <MinVerDefaultPreReleaseIdentifiers>preview.0</MinVerDefaultPreReleaseIdentifiers>
     <MinVerTagPrefix>v</MinVerTagPrefix>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>

src/AutoMapper/Configuration/MapperConfiguration.cs

@@ -343,6 +343,10 @@ private TypeMap GetTypeMap(TypePair initialTypes)
                 var types = new TypePair(sourceType, destinationType);
                 if (_resolvedMaps.TryGetValue(types, out typeMap))
                 {
+                    if(typeMap == null)
+                    {
+                        continue;
+                    }
                     return typeMap;
                 }
                 typeMap = FindClosedGenericTypeMapFor(types);

src/UnitTests/InterfaceMapping.cs

@@ -1,5 +1,26 @@
 namespace AutoMapper.UnitTests.InterfaceMapping;
-
+public class InterfaceWithObjectProperty : AutoMapperSpecBase
+{
+    protected override MapperConfiguration CreateConfiguration() => new(cfg => cfg.CreateMap<ISourceModel, IDestModel>());
+    public interface ISourceModel
+    {
+        object Id { get; set; }
+    }
+    public interface IDestModel
+    {
+        object Id { get; set; }
+    }
+    public class SourceModel : ISourceModel
+    {
+        public object Id { get; set; }
+    }
+    public class DestModel : IDestModel
+    {
+        public object Id { get; set; }
+    }
+    [Fact]
+    public void Should_work() => Mapper.Map(new SourceModel { Id = 42 }, new DestModel()).Id.ShouldBe(42);
+}
 public class InterfaceInheritance : AutoMapperSpecBase
 {
     protected override MapperConfiguration CreateConfiguration() => new(cfg =>