[ruby] add a test.

This commit is contained in:
Takashi Tamura 2017-04-20 14:20:33 +09:00
commit 34ba3b9ed9

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@ -13,3 +13,4 @@ raise unless a[1] == nil
raise unless a[2].get_m == 9
raise unless is_last_null([C.new(7), C.new(8), nil])
raise if is_last_null([C.new(7), C.new(8)])