Test: Check pad envelope preservation before group automation

tests/ableton-automation.test.ts

@@ -114,3 +114,30 @@ test('uses each Simpler target duration and One-Shot release direction', () => {
   assert.equal(envelopes[0].Automation.Events.FloatEvent[2]['@Value'], 1500);
   assert.equal(envelopes[1].Automation.Events.FloatEvent[2]['@Value'], 1000);
 });
+
+test('preserves the pad envelope before group automation when the static group value is absent', () => {
+  const pattern = {
+    ...occurrence,
+    faderParams: { ...faderParams, [FaderParam.REL]: -1 },
+  };
+  const envelopes = buildClipEnvelopes(
+    pattern,
+    {
+      [FaderParam.REL]: [
+        {
+          session: 23000,
+          soundLength: 4,
+          maxValue: 2000,
+          invertValue: true,
+          staticValue: 321,
+        },
+      ],
+    },
+    track,
+    false,
+  );
+
+  assert.equal(envelopes[0].Automation.Events.FloatEvent[0]['@Value'], 321);
+  assert.equal(envelopes[0].Automation.Events.FloatEvent[1]['@Value'], 321);
+  assert.equal(envelopes[0].Automation.Events.FloatEvent[2]['@Value'], 1000);
+});