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modes:single:tests: Utilise PlayingCard::next and PlayingCard::prev

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This commit is contained in:
Aryadev Chavali
2026-04-05 04:33:47 +01:00
committed by oreodave
parent 7b5a6eb255
commit f1d6b36cd9
1 changed files with 22 additions and 10 deletions
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32
src/modes/single.rs
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@@ -218,18 +218,30 @@ mod tests {
fn footstool_deck_irrelevance() { fn footstool_deck_irrelevance() {
// For a fixed Single, comparing to another deck's cards doesn't change // For a fixed Single, comparing to another deck's cards doesn't change
// if it gets footstooled. // if it gets footstooled.
let piv_card = Card::make_playing_card(Rank::Three, Suit::Club); let pivot = PlayingCard::new(0, Rank::Three, Suit::Club);
let pivot = Single::new(piv_card).unwrap();
for i in 1..10 { for i in 1..10 {
let piv_copy = Single(Card::PlayingCard(PlayingCard { let piv_copy = PlayingCard::new(i, pivot.rank, pivot.suit);
deck: i, let piv_before = piv_copy
..piv_card.playing_card().unwrap() .prev()
})); .and_then(|x| Some(Card::PlayingCard(x)))
.and_then(|x| Some(Single(x)))
let piv_before = Single(Card::from(i64::from(piv_copy.0) - 1)); .unwrap();
let piv_after = Single(Card::from(i64::from(piv_copy.0) + 1)); let piv_after = piv_copy
let piv_way_after = Single(Card::from(i64::from(piv_copy.0) + 2)); .next()
.and_then(|x| Some(Card::PlayingCard(x)))
.and_then(|x| Some(Single(x)))
.unwrap();
let piv_way_after = piv_copy
.next()
.and_then(|x| x.next())
.and_then(|x| Some(Card::PlayingCard(x)))
.and_then(|x| Some(Single(x)))
.unwrap();
let piv_copy = Card::PlayingCard(piv_copy);
let piv_copy = Single(piv_copy);
let pivot = Card::PlayingCard(pivot);
let pivot = Single(pivot);
// TEST: a single may be footstooled by a single from another deck // TEST: a single may be footstooled by a single from another deck
// with the same rank and suit. // with the same rank and suit.