Cleaning old temporal model
This commit is contained in:
@@ -48,9 +48,6 @@ fn approx_eq(a: f64, b: f64) -> bool {
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(a - b).abs() < EPSILON
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}
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// At 120 BPM, speed 1.0: stepdur = 60/120/4/1 = 0.125s
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// Root duration = 4 * stepdur = 0.5s
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#[test]
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fn stepdur_baseline() {
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let f = run("stepdur");
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@@ -65,72 +62,14 @@ fn single_emit() {
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}
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#[test]
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fn implicit_subdivision_2() {
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let outputs = expect_outputs(r#""kick" s . ."#, 2);
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let deltas = get_deltas(&outputs);
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let step = 0.5 / 2.0;
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assert!(approx_eq(deltas[0], 0.0), "first slot at 0");
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assert!(approx_eq(deltas[1], step), "second slot at {}, got {}", step, deltas[1]);
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}
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#[test]
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fn implicit_subdivision_4() {
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fn multiple_emits_all_at_zero() {
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let outputs = expect_outputs(r#""kick" s . . . ."#, 4);
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let deltas = get_deltas(&outputs);
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let step = 0.5 / 4.0;
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for (i, delta) in deltas.iter().enumerate() {
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let expected = step * i as f64;
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assert!(
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approx_eq(*delta, expected),
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"slot {}: expected {}, got {}",
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i, expected, delta
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);
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assert!(approx_eq(*delta, 0.0), "emit {}: expected delta 0, got {}", i, delta);
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}
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}
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#[test]
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fn implicit_subdivision_3() {
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let outputs = expect_outputs(r#""kick" s . . ."#, 3);
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let deltas = get_deltas(&outputs);
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let step = 0.5 / 3.0;
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assert!(approx_eq(deltas[0], 0.0));
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assert!(approx_eq(deltas[1], step), "got {}", deltas[1]);
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assert!(approx_eq(deltas[2], 2.0 * step), "got {}", deltas[2]);
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}
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#[test]
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fn silence_creates_gap() {
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let outputs = expect_outputs(r#""kick" s . _ ."#, 2);
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let deltas = get_deltas(&outputs);
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let step = 0.5 / 3.0;
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assert!(approx_eq(deltas[0], 0.0), "first at 0");
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assert!(
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approx_eq(deltas[1], 2.0 * step),
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"third slot (after silence) at {}, got {}",
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2.0 * step,
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deltas[1]
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);
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}
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#[test]
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fn silence_at_start() {
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let outputs = expect_outputs(r#""kick" s _ ."#, 1);
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let deltas = get_deltas(&outputs);
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let step = 0.5 / 2.0;
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assert!(
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approx_eq(deltas[0], step),
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"emit after silence at {}, got {}",
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step,
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deltas[0]
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);
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}
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#[test]
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fn silence_only() {
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let outputs = expect_outputs(r#""kick" s _"#, 0);
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assert!(outputs.is_empty(), "silence only should produce no output");
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}
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#[test]
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fn sound_persists() {
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let outputs = expect_outputs(r#""kick" s . . "hat" s . ."#, 4);
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@@ -149,41 +88,10 @@ fn alternating_sounds() {
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}
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#[test]
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fn dur_matches_slot_duration() {
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let outputs = expect_outputs(r#""kick" s . . . ."#, 4);
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fn dur_is_step_duration() {
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let outputs = expect_outputs(r#""kick" s ."#, 1);
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let durs = get_durs(&outputs);
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let expected_dur = 0.5 / 4.0;
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for (i, dur) in durs.iter().enumerate() {
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assert!(
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approx_eq(*dur, expected_dur),
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"slot {} dur: expected {}, got {}",
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i, expected_dur, dur
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);
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}
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}
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#[test]
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fn tempo_affects_subdivision() {
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let ctx = ctx_with(|c| c.tempo = 60.0);
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let f = forth();
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let outputs = f.evaluate(r#""kick" s . ."#, &ctx).unwrap();
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let deltas = get_deltas(&outputs);
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// At 60 BPM: stepdur = 0.25, root dur = 1.0
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let step = 1.0 / 2.0;
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assert!(approx_eq(deltas[0], 0.0));
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assert!(approx_eq(deltas[1], step), "got {}", deltas[1]);
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}
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#[test]
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fn speed_affects_subdivision() {
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let ctx = ctx_with(|c| c.speed = 2.0);
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let f = forth();
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let outputs = f.evaluate(r#""kick" s . ."#, &ctx).unwrap();
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let deltas = get_deltas(&outputs);
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// At speed 2.0: stepdur = 0.0625, root dur = 0.25
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let step = 0.25 / 2.0;
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assert!(approx_eq(deltas[0], 0.0));
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assert!(approx_eq(deltas[1], step), "got {}", deltas[1]);
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assert!(approx_eq(durs[0], 0.125), "dur should be step_duration (0.125), got {}", durs[0]);
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}
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#[test]
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@@ -227,143 +135,6 @@ fn cycle_with_sounds() {
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}
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}
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#[test]
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fn dot_alias_for_emit() {
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let outputs = expect_outputs(r#""kick" s . . . ."#, 4);
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let sounds = get_sounds(&outputs);
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assert_eq!(sounds, vec!["kick", "kick", "kick", "kick"]);
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}
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#[test]
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fn dot_with_silence() {
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let outputs = expect_outputs(r#""kick" s . _ . _"#, 2);
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let deltas = get_deltas(&outputs);
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let step = 0.5 / 4.0;
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assert!(approx_eq(deltas[0], 0.0));
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assert!(approx_eq(deltas[1], 2.0 * step));
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}
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#[test]
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fn div_basic_subdivision() {
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let outputs = expect_outputs(r#"div "kick" s . "hat" s . ~"#, 2);
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let deltas = get_deltas(&outputs);
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let sounds = get_sounds(&outputs);
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assert_eq!(sounds, vec!["kick", "hat"]);
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assert!(approx_eq(deltas[0], 0.0));
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assert!(approx_eq(deltas[1], 0.25), "second should be at 0.25, got {}", deltas[1]);
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}
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#[test]
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fn div_sequential() {
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// Two consecutive divs each claim a slot in root, so they're sequential
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let outputs = expect_outputs(r#"div "kick" s . ~ div "hat" s . ~"#, 2);
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let deltas = get_deltas(&outputs);
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let sounds = get_sounds(&outputs);
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assert_eq!(sounds, vec!["kick", "hat"]);
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assert!(approx_eq(deltas[0], 0.0));
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assert!(approx_eq(deltas[1], 0.25), "second div at slot 1, got {}", deltas[1]);
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}
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#[test]
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fn div_with_root_emit() {
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// kick claims slot 0 at root, div claims slot 1 at root
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let outputs = expect_outputs(r#""kick" s . div "hat" s . ~"#, 2);
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let deltas = get_deltas(&outputs);
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let sounds = get_sounds(&outputs);
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assert_eq!(sounds, vec!["kick", "hat"]);
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assert!(approx_eq(deltas[0], 0.0), "kick at slot 0");
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assert!(approx_eq(deltas[1], 0.25), "hat at slot 1, got {}", deltas[1]);
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}
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#[test]
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fn div_nested() {
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// kick claims slot 0 in outer div, inner div claims slot 1
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// Inner div's 2 hats subdivide its slot (0.25 duration) into 2 sub-slots
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let outputs = expect_outputs(r#"div "kick" s . div "hat" s . . ~ ~"#, 3);
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let sounds = get_sounds(&outputs);
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let deltas = get_deltas(&outputs);
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// Output order: kick (slot 0), then hats (slot 1 subdivided)
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assert_eq!(sounds[0], "kick");
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assert_eq!(sounds[1], "hat");
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assert_eq!(sounds[2], "hat");
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// Outer div has 2 slots of 0.25 each
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// kick at slot 0 -> delta 0
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// inner div at slot 1 -> starts at 0.25, subdivided into 2 -> hats at 0.25 and 0.375
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assert!(approx_eq(deltas[0], 0.0), "kick at 0, got {}", deltas[0]);
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assert!(approx_eq(deltas[1], 0.25), "first hat at 0.25, got {}", deltas[1]);
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assert!(approx_eq(deltas[2], 0.375), "second hat at 0.375, got {}", deltas[2]);
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}
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#[test]
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fn div_with_silence() {
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let outputs = expect_outputs(r#"div "kick" s . _ ~"#, 1);
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let deltas = get_deltas(&outputs);
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assert!(approx_eq(deltas[0], 0.0));
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}
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#[test]
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fn unmatched_scope_terminator_error() {
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let f = forth();
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let result = f.evaluate(r#""kick" s . ~"#, &default_ctx());
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assert!(result.is_err(), "unmatched ~ should error");
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}
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#[test]
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fn stack_superposes_sounds() {
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let outputs = expect_outputs(r#"stack "kick" s . "hat" s . ~"#, 2);
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let deltas = get_deltas(&outputs);
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let sounds = get_sounds(&outputs);
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assert_eq!(sounds.len(), 2);
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// Both at delta 0 (stacked/superposed)
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assert!(approx_eq(deltas[0], 0.0));
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assert!(approx_eq(deltas[1], 0.0));
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}
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#[test]
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fn stack_with_multiple_emits() {
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let outputs = expect_outputs(r#"stack "kick" s . . . . ~"#, 4);
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let deltas = get_deltas(&outputs);
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// All 4 kicks at delta 0
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for (i, delta) in deltas.iter().enumerate() {
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assert!(approx_eq(*delta, 0.0), "emit {} should be at 0, got {}", i, delta);
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}
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}
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#[test]
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fn stack_inside_div() {
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// div subdivides, stack inside superposes
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// stack doesn't claim a slot in parent div, so snare is also at 0
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let outputs = expect_outputs(r#"div stack "kick" s . "hat" s . ~ "snare" s . ~"#, 3);
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let deltas = get_deltas(&outputs);
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let sounds = get_sounds(&outputs);
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// stack resolves first (kick, hat at 0), then div resolves (snare at 0)
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// since stack doesn't consume a slot in the parent div
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assert_eq!(sounds[0], "kick");
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assert_eq!(sounds[1], "hat");
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assert_eq!(sounds[2], "snare");
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assert!(approx_eq(deltas[0], 0.0));
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assert!(approx_eq(deltas[1], 0.0));
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assert!(approx_eq(deltas[2], 0.0), "snare at 0, got {}", deltas[2]);
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}
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#[test]
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fn div_nested_with_sibling() {
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// Inner div claims slot 0, snare claims slot 1
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// Inner div's kick/hat subdivide slot 0
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let outputs = expect_outputs(r#"div div "kick" s . "hat" s . ~ "snare" s . ~"#, 3);
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let deltas = get_deltas(&outputs);
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let sounds = get_sounds(&outputs);
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// Outer div has 2 slots of 0.25 each
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// Inner div at slot 0: kick at 0, hat at 0.125
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// snare at slot 1: delta 0.25
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assert_eq!(sounds[0], "kick");
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assert_eq!(sounds[1], "hat");
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assert_eq!(sounds[2], "snare");
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assert!(approx_eq(deltas[0], 0.0), "kick at 0, got {}", deltas[0]);
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assert!(approx_eq(deltas[1], 0.125), "hat at 0.125, got {}", deltas[1]);
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assert!(approx_eq(deltas[2], 0.25), "snare at 0.25, got {}", deltas[2]);
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}
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#[test]
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fn emit_n_basic() {
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let outputs = expect_outputs(r#""kick" s 4 .!"#, 4);
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@@ -383,4 +154,3 @@ fn emit_n_negative_error() {
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let result = f.evaluate(r#""kick" s -1 .!"#, &default_ctx());
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assert!(result.is_err());
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}
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