2000/01/01 Pre-transaction balance
    A  $5.00 = $0.00
    B

$ hledger -f- check

#test bal -> 1
#__ERROR__
#While parsing file "$FILE", line 2:
#While parsing posting:
#  A  $5.00 = $0.00
#             ^^^^^
#Error: Balance assertion off by $-5.00 (expected to see $5.00)
#end test
#