[Torquem]

Summary

Fixes bugs in the upload-ID block upload and in how file names are split into a title and an extension.

Block uploads (upload IDs)

• The last block now contains only its own data. Before, the whole buffer was sent, so the uploaded file was padded with leftover data from the previous block.
• The block count is now rounded up. When the file size divided evenly by the block size, the count was one too high, so MFWS never saw the last block and didn't commit the upload.
• New UploadTemporaryFileBlock[Async] overloads take the block size, so a shorter last block can be uploaded. The existing overloads call them with the block's own length.
• The block methods now reject an offset that isn't at a block boundary and a block larger than the block size. Before, such a block could be written at the wrong position without any error.
• Each block is read fully from the stream.

File names

• The file name is split once into a title and an extension without the dot, which is what M-Files expects (GetFileTitle, GetFileExtension). These replace the separate dot removal in UploadFiles and UploadTemporaryFileBlockBegin(FileInfo), and fix UploadTemporaryFileInBlocks, which sent .pdf instead of pdf.
• UploadFiles no longer throws for a file without an extension; it returns an empty extension.
• UploadTemporaryFileInBlocks now returns the title, extension and size along with the upload ID, so the result can be used to create an object. Before, it returned the last block's response, which had no title or extension.

Tests

• New tests cover the short last block, a size that divides evenly, a file smaller than one block, the block-size checks, and file names with and without extensions.
• The upload tests now close test.txt after creating it. Before this, 10 tests failed on a clean run.

Testing

• All 280 unit tests pass from a clean state (test.txt deleted).
• Not yet tested against a live MFWS.

Note

This conflicts with #40 (CFO-1997) in the block loop of UploadTemporaryFileInBlocksAsync. Whichever merges second needs to resolve it.

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