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Tests and docs: no figures from the first company's books
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The odd-cent regression's net loss and its splits, the website's example
Apple charge and the GUI plan's example receipt now use made-up amounts.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01T3gXMVt7XJPi6ens1or9Dj
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swaitsandClaude Opus 5.5 committed 2026-10-21 09:38:17 -06:00
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commit 8255ac2103
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crates/ledger-core/tests/odd_cent.rs
+22 -22
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@@ -205,50 +205,50 @@ const THIRDS: [&str; 3] = ["0.3333", "0.3333", "0.3334"];
// The regression (audit F52, 2026-10-16, anonymized)
// ---------------------------------------------------------------------------
/// Regression (P3 defect 17; audit F52's −399.23, anonymized): members A
/// and B at half each. January's net loss of 399.23 closes to them: exact
/// −199.615 each, so A −199.62, B −199.61 (the tie to the member listed
/// Regression (P3 defect 17; audit F52's −287.53, anonymized): members A
/// and B at half each. January's net loss of 287.53 closes to them: exact
/// −143.765 each, so A −143.77, B −143.76 (the tie to the member listed
/// first). February's 10.00 loss closes to retained earnings. March's
/// 399.23 loss closes to them again. The run rule (2026-10-13 to P3)
/// 287.53 loss closes to them again. The run rule (2026-10-13 to P3)
/// started over at March, handing A the tied cent a second time: A
/// −399.24, B −399.22 for an exact −399.23 each. Now February's close is
/// skipped and March continues January's count: the running −798.46 splits
/// −399.23 each, less January's −199.62 / −199.61, so March gives A
/// −199.61 and B −199.62. The March entry: Cr 6000 399.23, Dr 3000 199.61,
/// Dr 3001 199.62.
/// −287.54, B −287.52 for an exact −287.53 each. Now February's close is
/// skipped and March continues January's count: the running −575.06 splits
/// −287.53 each, less January's −143.77 / −143.76, so March gives A
/// −143.76 and B −143.77. The March entry: Cr 6000 287.53, Dr 3000 143.76,
/// Dr 3001 143.77.
#[test]
fn the_audit_odd_cent_never_piles_up_across_closes() {
type Rule = fn(Vec<MemberClose>) -> CloseTo;
let (run, cumulative): (Rule, Rule) = (CloseTo::MembersRun, CloseTo::Members);
for (rule, a, b) in [
(run, "-399.24", "-399.22"),
(cumulative, "-399.23", "-399.23"),
(run, "-287.54", "-287.52"),
(cumulative, "-287.53", "-287.53"),
] {
let mut co = company(Currency::USD, 2);
let to = rule(co.members(&[0, 1], &HALF));
let jan = co.month(1, "-399.23", &to);
let jan = co.month(1, "-287.53", &to);
let jan_entry = co.l.get_period(jan).unwrap().closing_entry.unwrap();
assert_eq!(
co.lines(jan_entry),
[
line("6000", Side::Credit, "399.23"),
line("3000", Side::Debit, "199.62"),
line("3001", Side::Debit, "199.61"),
line("6000", Side::Credit, "287.53"),
line("3000", Side::Debit, "143.77"),
line("3001", Side::Debit, "143.76"),
]
);
co.month(2, "-10.00", &CloseTo::RetainedEarnings { sweep: vec![] });
let mar = co.month(3, "-399.23", &to);
let mar = co.month(3, "-287.53", &to);
assert_eq!(co.capitals(), decs(&[a, b]));
let retained = co.l.chart().find_by_code("3999").unwrap().id;
assert_eq!(co.l.account_balance(retained).unwrap(), dec("-10.00"));
if a == "-399.23" {
if a == "-287.53" {
let mar_entry = co.l.get_period(mar).unwrap().closing_entry.unwrap();
assert_eq!(
co.lines(mar_entry),
[
line("6000", Side::Credit, "399.23"),
line("3000", Side::Debit, "199.61"),
line("3001", Side::Debit, "199.62"),
line("6000", Side::Credit, "287.53"),
line("3000", Side::Debit, "143.76"),
line("3001", Side::Debit, "143.77"),
]
);
let (since, split) = co.l.member_close_split(mar).unwrap();
@@ -257,8 +257,8 @@ fn the_audit_odd_cent_never_piles_up_across_closes() {
assert_eq!(
rows,
[
(dec("-199.61"), dec("-399.23"), dec("-399.23")),
(dec("-199.62"), dec("-399.23"), dec("-399.23")),
(dec("-143.76"), dec("-287.53"), dec("-287.53")),
(dec("-143.77"), dec("-287.53"), dec("-287.53")),
]
);
}