chore: テストコード追加

[jiro4989]

No description provided.

[codecov]

Codecov Report

Merging #15 (6cc19bc) into master (b3de3fd) will increase coverage by 24.21%.
The diff coverage is 50.00%.

@@             Coverage Diff             @@
##           master      #15       +/-   ##
===========================================
+ Coverage   52.94%   77.16%   +24.21%     
===========================================
  Files          11       11               
  Lines         323      324        +1     
===========================================
+ Hits          171      250       +79     
+ Misses        147       51       -96     
- Partials        5       23       +18     

Impacted Files	Coverage Δ
main.go	40.00% <50.00%> (+15.00%)	⬆️
cmd_vertical_top.go	65.21% <0.00%> (+47.82%)	⬆️
cmd_vertical_bottom.go	65.21% <0.00%> (+47.82%)	⬆️
cmd_vertical_center.go	65.21% <0.00%> (+47.82%)	⬆️
cmd_left.go	75.00% <0.00%> (+53.57%)	⬆️
cmd_right.go	75.00% <0.00%> (+53.57%)	⬆️
cmd_center.go	75.00% <0.00%> (+53.57%)	⬆️

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