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m3te/tests/cascade_cue.sx
swipelab 6f7d2f4db2 lang migration: rename signed integer types sN -> iN
Mechanical sweep of all .sx sources, plan docs, and tests/expected
snapshots for the sx language rename (s8/s16/s32/s64 -> i8/i16/i32/i64).
Verified: tools/run_tests.sh 23/23.

Note: the ios-sim build has 2 pre-existing 'restart' dot-call errors
from the sx opt-in UFCS change (sx a47ea14) — independent of this
rename (present pre-sweep); migrated in the follow-up commit.
2026-06-12 09:36:51 +03:00

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// P10.4 — Cascade-cue selection snapshot: prove the cascade-depth → combo-cue
// mapping is a PURE, headless clamp. It reuses audio.sx's `cascade_cue_index`
// (and `cascade_cue_name`) UNCHANGED — the exact functions `play_cascade` calls
// — so the escalation logic the audio playback path can't gate-cover is covered
// here with no audio. The mapping clamps depth <= 1 to the first cue (combo1)
// and depth >= COMBO_CLIPS to the last (combo5), stepping up monotonically in
// between. The depth→index/name table below is locked by the committed snapshot.
#import "modules/std.sx";
#import "audio.sx";
main :: () -> i32 {
print("== cascade cue selection (depth -> combo cue) ==\n");
// Walk a representative depth range (0..9) so both clamps and the monotonic
// middle are visible: depths 0,1 pin to the first cue; depths >= 5 pin to
// the last; 2,3,4 step up one cue at a time.
prev : i64 = -1;
for 0..10 (depth) {
idx := cascade_cue_index(depth);
print("depth {} -> idx {} ({})\n", depth, idx, cascade_cue_name(idx));
// The mapping must never step down as depth grows.
if idx < prev { print("FAIL: cue index decreased at depth {}\n", depth); return 1; }
prev = idx;
}
// Explicit clamp boundaries, independent of the loop above.
if cascade_cue_index(0) != 0 { print("FAIL: depth 0 not clamped to first cue\n"); return 1; }
if cascade_cue_index(1) != 0 { print("FAIL: depth 1 not clamped to first cue\n"); return 1; }
if cascade_cue_index(COMBO_CLIPS) != COMBO_CLIPS - 1 { print("FAIL: depth COMBO_CLIPS not at last cue\n"); return 1; }
if cascade_cue_index(9) != COMBO_CLIPS - 1 { print("FAIL: deep cascade not clamped to last cue\n"); return 1; }
print("ok: cascade cue mapping clamps into combo1..combo{}\n", COMBO_CLIPS);
return 0;
}