Detect potential errors copying metadata and avoid them (#2447) (#6997)

src/modules/imageresizer/tests/ImageResizerUITest.csproj

@@ -123,6 +123,9 @@
     <Content Include="Test.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="TestMetadataIssue2447.jpg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="TestPortrait.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>

src/modules/imageresizer/tests/Models/ResizeOperationTests.cs

@@ -30,6 +30,18 @@ namespace ImageResizer.Models
                 image => Assert.Equal("Test", ((BitmapMetadata)image.Frames[0].Metadata).Comment));
         }
 
+        [Fact]
+        public void ExecuteCopiesFrameMetadataExceptWhenMetadataCannotBeCloned()
+        {
+            var operation = new ResizeOperation("TestMetadataIssue2447.jpg", _directory, Settings());
+
+            operation.Execute();
+
+            AssertEx.Image(
+                _directory.File(),
+                image => Assert.Null(((BitmapMetadata)image.Frames[0].Metadata).CameraModel));
+        }
+
         [Fact]
         public void ExecuteKeepsDateModified()
         {