def testOffsetToDepth(self):
# get a maximally divided 4/4 to the level of 1/8
a = MeterSequence('4/4')
for h in range(len(a)):
a[h] = a[h].subdivide(2)
for i in range(len(a[h])):
a[h][i] = a[h][i].subdivide(2)
for j in range(len(a[h][i])):
a[h][i][j] = a[h][i][j].subdivide(2)
# matching with starts result in a Lerdahl-Jackendoff style depth
match = [4, 1, 2, 1, 3, 1, 2, 1]
for x in range(8):
pos = x * 0.5
test = a.offsetToDepth(pos, align='start')
self.assertEqual(test, match[x])
match = [1, 2, 1, 3, 1, 2, 1]
for x in range(7):
pos = (x * 0.5) + 0.5
test = a.offsetToDepth(pos, align='end')
# environLocal.printDebug(['here', test])
self.assertEqual(test, match[x])
# can quantize by lowest value
match = [4, 1, 2, 1, 3, 1, 2, 1]
for x in range(8):
pos = (x * 0.5) + 0.25
test = a.offsetToDepth(pos, align='quantize')
self.assertEqual(test, match[x])
def testMeterDeepcopy(self):
a = MeterSequence()
a.load('4/4', 4)
b = copy.deepcopy(a)
self.assertNotEqual(a, b)
c = TimeSignature('4/4')
d = copy.deepcopy(c)
self.assertNotEqual(c, d)
def testMeterSubdivision(self):
a = MeterSequence()
a.load('4/4', 4)
self.assertEqual(str(a), '{1/4+1/4+1/4+1/4}')
a[0] = a[0].subdivide(2)
self.assertEqual(str(a), '{{1/8+1/8}+1/4+1/4+1/4}')
a[3] = a[3].subdivide(4)
self.assertEqual(str(a), '{{1/8+1/8}+1/4+1/4+{1/16+1/16+1/16+1/16}}')
def testSubdividePartitionsEqual(self):
ms = MeterSequence('2/4')
ms.subdividePartitionsEqual(None)
self.assertEqual(str(ms), '{{1/4+1/4}}')
ms = MeterSequence('3/4')
ms.subdividePartitionsEqual(None)
self.assertEqual(str(ms), '{{1/4+1/4+1/4}}')
ms = MeterSequence('6/8')
ms.subdividePartitionsEqual(None)
self.assertEqual(str(ms), '{{3/8+3/8}}')
ms = MeterSequence('6/16')
ms.subdividePartitionsEqual(None)
self.assertEqual(str(ms), '{{3/16+3/16}}')
ms = MeterSequence('3/8+3/8')
ms.subdividePartitionsEqual(None)
self.assertEqual(str(ms), '{{1/8+1/8+1/8}+{1/8+1/8+1/8}}')
ms = MeterSequence('2/8+3/8')
ms.subdividePartitionsEqual(None)
self.assertEqual(str(ms), '{{1/8+1/8}+{1/8+1/8+1/8}}')
ms = MeterSequence('5/8')
ms.subdividePartitionsEqual(None)
self.assertEqual(str(ms), '{{1/8+1/8+1/8+1/8+1/8}}')
ms = MeterSequence('3/8+3/4')
ms.subdividePartitionsEqual(None) # can partition by another
self.assertEqual(str(ms), '{{1/8+1/8+1/8}+{1/4+1/4+1/4}}')