# 1. virtual posting shouldn't affect balance
./hledger -f-
<<<
2009/1/1 x
  (virtual)  100
  a  1
  b
# 2. balanced virtual postings should be required to balance (themselves)
./hledger -f-
<<<
2010/1/1 x
  [balanced virtual]  100
  a  1
  b
>>>= !0
./hledger -f-
<<<
2010/1/1 x
  [balanced virtual]  100
  [balanced virtual]  -100
  a  1
  b
# 3. a virtual posting with implicit amount should be handled correctly
./hledger -f-
<<<
2010/1/1 x
    [a]    1
    [b]