Sizing

tests/test_electric_voicing.py

@@ -33,6 +33,18 @@ def shape(event):
   return tuple(sorted((p['tablature']['string'], p['tablature']['fret']) for p in event['pitches']))
 
 class ElectricVoicingTests(unittest.TestCase):
+  def test_mixed_pickup_bar_links_each_role_to_its_original_passage(self):
+    chord = harmony('C7')
+    pickup = note('pickup', 3, chord, (2, 3, 1, 3), melody=True)
+    outgoing = note('outgoing', 0, chord, (5, 3, 5, 3))
+    target = note('target', 0, chord, (10, 9, 11, 8))
+    mixed = measure([outgoing, pickup])
+    source = [measure([], [chord]), measure([], [harmony('G7')]), measure([], [chord])]
+    origins = [generator.electric.MeasureOrigin(fractions.Fraction(8), 'accompaniment', mixed, end=fractions.Fraction(3)), generator.electric.MeasureOrigin(fractions.Fraction(-3), 'melody', mixed, start=fractions.Fraction(3)), generator.electric.MeasureOrigin(fractions.Fraction(0), 'accompaniment', measure([target]))]
+    links = generator.electric.link_voicings(source, origins)
+    self.assertEqual(len(links), 1)
+    self.assertIs(links[0].target, target)
+    self.assertEqual(links[0].references, (pickup,))
   def test_corresponding_melody_shapes_change_within_one_harmony(self):
     chord = harmony('C7')
     first = note('melody-1', 1, chord, (2, 3, 1, 3), melody=True, duration=2)