added test case for #1252
added test case for #1252

dom96/Nim,tulayang/Nim,dom96/Nim,dom96/Nim,russpowers/Nim,dom96/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,tulayang/Nim,tulayang/Nim,tulayang/Nim,tulayang/Nim,dom96/Nim,dom96/Nim,tulayang/Nim,dom96/Nim