From 61e7da5dab204247c1eed585e34dd2d51c8db94c Mon Sep 17 00:00:00 2001
From: "5684185+vsariola@users.noreply.github.com"
 <5684185+vsariola@users.noreply.github.com>
Date: Fri, 6 Sep 2024 22:03:52 +0300
Subject: [PATCH] test(tracker): test loading presets in fuzz tests

---
 tracker/model_test.go | 2 ++
 tracker/presets.go    | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/tracker/model_test.go b/tracker/model_test.go
index 0261bf0..d3c4cdc 100644
--- a/tracker/model_test.go
+++ b/tracker/model_test.go
@@ -76,6 +76,8 @@ func (s *modelFuzzState) Iterate(yield func(string, func(p string, t *testing.T)
 	s.IterateAction("AddOrderRowBefore", s.model.AddOrderRow(true), yield, seed)
 	s.IterateAction("DeleteOrderRowForward", s.model.DeleteOrderRow(false), yield, seed)
 	s.IterateAction("DeleteOrderRowBackward", s.model.DeleteOrderRow(true), yield, seed)
+	// just test loading one of the presets
+	s.IterateAction("LoadPreset", s.model.LoadPreset(seed%tracker.NumPresets()), yield, seed)
 	// Tables
 	s.IterateTable("Order", s.model.Order().Table(), yield, seed)
 	s.IterateTable("Notes", s.model.Notes().Table(), yield, seed)
diff --git a/tracker/presets.go b/tracker/presets.go
index 565f86d..3cf7bfd 100644
--- a/tracker/presets.go
+++ b/tracker/presets.go
@@ -135,6 +135,12 @@ func (m *Model) IterateInstrumentPresets(yield InstrumentPresetYieldFunc) {
 	}
 }
 
+func NumPresets() int {
+	return len(instrumentPresets)
+}
+
+// LoadPreset loads a preset from the list of instrument presets. The index
+// should be within the range of 0 to NumPresets()-1.
 func (m *Model) LoadPreset(index int) Action {
 	return Action{do: func() {
 		defer m.change("LoadPreset", PatchChange, MajorChange)()