As DoCreateEntryFromFile logic should Directory LastWriteTime should be keeped and used for the created Entry.

[ChristopheDEBOVE]

I was doing characterization testing with Verify and I notice that when we execute CreateFromDirectory serveral time, given the same input the output it should be consistent, but it is not because the default LastWriteTime used for the entry is DateTime.Now.

Maybe it could use Directory LastWriteTime as you did for files, logic should be the same.

runtime/src/libraries/System.IO.Compression.ZipFile/src/System/IO/Compression/ZipFile.Create.cs

Line 406 in e71a958

string entryName = ArchivingUtils.EntryFromPath(file.FullName, basePath.Length, entryNameLength, ref entryNameBuffer, appendPathSeparator: true);

In my case I have to overwrite the LastWriteTime for each directory entries in my test in order to simulate consistency.