fix: Throw correct exception when using File.Replace
with case-only changes on MacOS
#638
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When calling
File.Replace
with source and destination only differing in casing, on MacOS the file system throws an exception that "Source and destination path must be different". Consider this case also in theMockFileSystem
.Also add tests for correct handling of case-only changes in
File.Move
andFile.Copy
.Note: This fix was inspired by TestableIO/System.IO.Abstractions#1140 and TestableIO/System.IO.Abstractions#1138.