hledger/tests/misc/precision.test
Simon Michael 21d9945ba9 tests: make functional tests use "hledger" again
Using "hledgerdev" was a hack to help ensure that tests used a fresh
developer build by default. Now they specify "hledger" again, which fits
better with stack. It's up to the tester to make sure the desired
executable is first in PATH or specified with -w. (Note a couple of
tests currently don't obey -w and will always run "hledger", see addons.test).
2015-07-12 12:29:53 -07:00

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# http://code.google.com/p/hledger/issues/detail?id=23
#
# 1. original test case, this should balance since price precisions do
# not affect the canonical display precisions used for display and balancing
hledger -f - print
<<<
2010/1/1 x
A 55.3653 C @ 30.92189512 D
A -1712 D
>>>
2010/01/01 x
A 55.3653 C @ 30.92189512 D
A -1712 D
>>>=0
## 1b. here $'s canonical display precision should be 2 not 4
## XXX no, because the inferred amount $1.0049 is observed
# hledger -f - print --cost
# <<<
# 2010/1/1
# a $0.00
# a 1C @ $1.0049
# a
# >>>
# 2010/01/01
# a 0
# a $1.00
# a $-1.00
#
# >>>=0
# 2. and here the price should be printed with its original precision, not
# the canonical display precision
hledger -f - print
<<<
2010/1/1
a $0.00
a 1C @ $1.0049
a
>>>
2010/01/01
a 0
a 1C @ $1.0049
a $-1.0049
>>>=0
# 3. with $'s display precision at 3 or more, this txn should not balance.
# The error message shows the difference with full precision.
hledger -f - balance --no-total --cost --empty
<<<
2010/1/1
a 1C @ $1.0049
a $-1.000
>>>2 /off by \$0.0049/
>>>= 1
# 4. with $'s display precision at 2 or less, this txn should balance
hledger -f - balance --no-total --cost --empty
<<<
2010/1/1
a 1C @ $1.0049
a $-1.00
>>>
0 a
>>>=0
# 5. avamk's 2011/1/19 example
hledger -f - balance --cost
<<<
2001/01/01 * ACME fund
assets:investment:ACME 203.890 ACME @ $16.02
equity:opening balances
>>>
$3266.32 assets:investment:ACME
$-3266.32 equity:opening balances
--------------------
0
>>>=0
# hledger 0.14pre: precision=2, presumably from price
# $3266.32 assets:investment:ACME
# $-3266.32 equity:opening balances
#--------------------
# $0.00
#
# ledger "2.6.0.90" with -s: full precision, ignores price
# $3266.3178 assets:investment:ACME
# $-3266.3178 equity:opening balances
#
# ledger 3: precision=0, uses default, ignores price
# $3266 assets:investment:ACME
# $-3266 equity:opening balances
#--------------------
# 0
## 6. with a default commodity.. XXX should observe it
hledger -f - balance --cost
<<<
D $1000.0
2001/01/01 * ACME fund
assets:investment:ACME 203.890 ACME @ $16.02
equity:opening balances
>>>
$3266.32 assets:investment:ACME
$-3266.32 equity:opening balances
--------------------
0
>>>=0
### hledger 0.14pre: precision=2, presumably from price, ignores D
### $3266.32 assets:investment:ACME
### $-3266.32 equity:opening balances
###--------------------
### $0.00
###
### ledger "2.6.0.90" with -s: full precision, ignores price and D
### $3266.3178 assets:investment:ACME
### $-3266.3178 equity:opening balances
###
### ledger 3: precision=1, ignores price, observes D
### $3266.3 assets:investment:ACME
### $-3266.3 equity:opening balances
###--------------------
### 0
#
# 7. when there are multiple postings in the commodity being priced,
# show the averaged unit price, with precision equal to the sum of
# the max precisions of the commodities being converted (#262).
# Here the (irrational) price should be displayed with just precision 4
# (C's precision 2 + D's precision 2).
hledger -f- print
<<<
1/1
c C 10.00
c C 11.00
d D -320.00
>>>
2015/01/01
c C 10.00 @ D 15.2381
c C 11.00 @ D 15.2381
d D -320.00
>>>=0
## 8. Here the price should be displayed with precision 7
# (E's precision 4 + F's precision 3).
hledger -f- print
<<<
1/1
e E 10.0000
e E 11
f F -320.000
>>>
2015/01/01
e E 10.0000 @ F 15.2380952
e E 11.0000 @ F 15.2380952
f F -320.000
>>>=0