Most of the remaining 32-bit-unsafe date handling that remains in PhpSpreadsheet is in AutoFilter. Cleaning this up demonstrated that there are a lot of problems with AutoFilter, and I will do it in two pieces. Part 1 was PR #2141 which I have just merged.
In this PR:
- Fix remaining 32-bit dates in filterTestInDateGroupSet.
- Also in some of the existing AutoFilter samples. Note that the comments in two of those said the filter was being set for the first day of each month, but the code specifies the last day - I have corrected the comments.
- Remove mocking in unit tests for AutoFilter in favor of 'real' tests.
- Code coverage is now 100% in all of AutoFilter, AutoFilter/Column, and AutoFilter/Common/Rule.
- No remaining AutoFilter(/Column(/Rule)) exceptions in Phpstan baseline.
- Documentation for escaping of asterisk, question mark, and tilde in text filters included spurious backslashes which are now removed.
- Text filter escaping of question mark did not work. There had been no unit tests for any text filtering.
- Likewise there had been no testing for TopTen.
- Above- and below- average filters were not working because they acquired their Calculation instance incorrectly. There had been no tests.
- Several unchanging private static arrays in Rule were changed to private const arrays.
- Clones are now tested.
- RuleTest is moved to same directory as other tests.
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