addtestcase for issue89

[wsxe9988]

addtestcase for issue89 #89

[codecov-commenter]

Codecov Report

Merging #102 (59ee38a) into main (47982e2) will increase coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #102   +/-   ##
=========================================
  Coverage     65.06%   65.06%           
+ Complexity     8194     8189    -5     
=========================================
  Files           421      421           
  Lines         45815    45815           
  Branches       9272     9273    +1     
=========================================
+ Hits          29809    29811    +2     
+ Misses        12398    12396    -2     
  Partials       3608     3608           

Impacted Files	Coverage Δ
...in/java/com/alibaba/fastjson2/JSONWriterJSONB.java	57.99% <0.00%> (+0.09%)	⬆️
...ain/java/com/alibaba/fastjson2/JSONWriterUTF8.java	75.03% <0.00%> (+0.12%)	⬆️

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