diff options
Diffstat (limited to 'test/test_differential.ml')
| -rw-r--r-- | test/test_differential.ml | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/test_differential.ml b/test/test_differential.ml index 8423888..8c1dd8d 100644 --- a/test/test_differential.ml +++ b/test/test_differential.ml @@ -1089,6 +1089,13 @@ let rg69_one_hop_slugs = [ "ef-christmas-1-saturday" ] (* [layer_c_reason l c diffs] returns the [data/ef/expected-divergences.sexp] [id] this row-pair's remaining (post Layer A/B) diff set belongs to, or [None] if nothing here explains it (a genuine, uncovered failure). *) +(* The three vigils RG 33's third trigger can actually reach on the shipped + universal calendar -- see C39 in [layer_c_reason]. Named here rather than + written inline so a future slug rename fails in one visible place. *) +let rg33_vigil_slugs = + [ "vigil-of-st-lawrence"; "vigil-of-the-nativity-of-st-john-the-baptist"; + "vigil-of-sts-peter-paul" ] + let layer_c_reason (l : row) (c : row) diffs = let m = month_of_date l.date and d = day_of_date l.date in if diffs = [] then None @@ -1135,6 +1142,22 @@ let layer_c_reason (l : row) (c : row) diffs = colour-only Saturday still falls to C17 and cannot be absorbed here. *) else if is_bvm_saturday_row c diffs then Some "C17" else if diffs = [ Colour_f ] && List.mem c.slug audit_colour_corrected_slugs then Some "C18" + (* C39 -- RG 33's THIRD omission trigger, implemented 2026-08-21. lectio + omits a II/III-class vigil that itself falls on a Sunday (the rule's + SECOND trigger) but not one whose FEAST fails to keep its own day, so on + these days lectio still shows the vigil and colitur no longer does. + + Gated on LECTIO's own slug being one of the three vigils this clause can + reach, and on colitur's NOT being a vigil -- identity on both sides, not + merely a diff-set shape, the same discipline C6 and C14 were given. The + three are exhaustive here: the Assumption's and the Ascension's vigils + can never qualify, because their I-class feasts always keep their own + day (measured over the whole 1583-9999 domain, 0 occurrences). *) + else if + List.mem l.slug rg33_vigil_slugs + && (not (List.mem c.slug rg33_vigil_slugs)) + && subset diffs [ Slug_f; Rank; Colour_f; First_f; Gospel_f ] + then Some "C39" (* C25 -- CLOSED, BVM Saturday Mass (2026-08-17), predicate removed: 0 rows. Its days are unoccupied IV-class Saturdays, so they carry RG 78's office and now RG 309(a)'s Mass for it, which answers before step 3's walkback |
