Fix issue with dtors not being called + add more tests

[SergeyMakeev]

1. Fix the issue with value's destructors not being called sometimes
2. Add more tests to catch similar issues in the future

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7d001e9) 100.00% compared to head (371e9eb) 100.00%.

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Additional details and impacted files

@@            Coverage Diff            @@
##              main       #11   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            6         6           
  Lines         1250      1336   +86     
=========================================
+ Hits          1250      1336   +86     

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